{"id":4981,"date":"2026-05-28T09:29:38","date_gmt":"2026-05-28T09:29:38","guid":{"rendered":"https:\/\/flj-pcb.com\/?p=4981"},"modified":"2026-05-28T09:29:40","modified_gmt":"2026-05-28T09:29:40","slug":"ceramic-pcb-design-manufacturing-guide","status":"publish","type":"post","link":"https:\/\/flj-pcb.com\/vi\/ceramic-pcb-design-manufacturing-guide\/","title":{"rendered":"B\u1ea3ng m\u1ea1ch in g\u1ed1m (PCB): H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 thi\u1ebft k\u1ebf v\u00e0 s\u1ea3n xu\u1ea5t"},"content":{"rendered":"

B\u1ea3ng m\u1ea1ch in g\u1ed1m l\u00e0 g\u00ec?<\/h2>\n\n\n\n

M\u1ea1ch in g\u1ed1m s\u1eed d\u1ee5ng ch\u1ea5t n\u1ec1n g\u1ed1m v\u00f4 c\u01a1 thay v\u00ec ch\u1ea5t n\u1ec1n truy\u1ec1n th\u1ed1ng FR-4<\/a> s\u1ee3i th\u1ee7y tinh. C\u00e1c v\u1eadt li\u1ec7u n\u1ec1n ph\u1ed5 bi\u1ebfn bao g\u1ed3m nh\u00f4m oxit (Al\u2082O\u2083), nitrua nh\u00f4m (AlN) v\u00e0 oxit berili (BeO). C\u00e1c lo\u1ea1i b\u1ea3ng m\u1ea1ch n\u00e0y d\u1eabn nhi\u1ec7t t\u1ed1t h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e1c lo\u1ea1i laminate h\u1eefu c\u01a1. Ngo\u00e0i ra, ch\u00fang ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 l\u00ean \u0111\u1ebfn 350\u00b0C \u0111\u1ed1i v\u1edbi nh\u00f4m oxit ti\u00eau chu\u1ea9n v\u00e0 th\u1eadm ch\u00ed cao h\u01a1n \u0111\u1ed1i v\u1edbi SiC. C\u00e1c k\u1ef9 s\u01b0 ch\u1ecdn PCB g\u1ed1m khi h\u1ecd c\u1ea7n \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao, hi\u1ec7u su\u1ea5t \u0111i\u1ec7n \u1ed5n \u0111\u1ecbnh \u1edf t\u1ea7n s\u1ed1 cao ho\u1eb7c h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t (CTE) ph\u00f9 h\u1ee3p v\u1edbi chip silicon. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c b\u1ea3ng m\u1ea1ch l\u00f5i kim lo\u1ea1i, g\u1ed1m kh\u00f4ng c\u00f3 l\u1edbp c\u00e1ch nhi\u1ec7t gi\u1eefa linh ki\u1ec7n v\u00e0 v\u1eadt li\u1ec7u t\u1ea3n nhi\u1ec7t. C\u00e1c linh ki\u1ec7n n\u1eb1m tr\u1ef1c ti\u1ebfp tr\u00ean g\u1ed1m, gi\u00fap gi\u1ea3m s\u1ee9c c\u1ea3n nhi\u1ec7t. \u0110\u01b0\u1eddng d\u1eabn tr\u1ef1c ti\u1ebfp n\u00e0y gi\u00fap gi\u1eef nhi\u1ec7t \u0111\u1ed9 m\u1ed1i n\u1ed1i \u1edf m\u1ee9c th\u1ea5p v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n

C\u00e1c lo\u1ea1i b\u1ea3ng m\u1ea1ch in g\u1ed1m<\/h2>\n\n\n\n

C\u00f3 ba nh\u00f3m quy tr\u00ecnh ch\u00ednh. M\u1ed7i nh\u00f3m ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c m\u1ee5c ti\u00eau v\u1ec1 hi\u1ec7u su\u1ea5t v\u00e0 chi ph\u00ed kh\u00e1c nhau.<\/p>\n\n\n\n

\"Types<\/figure>\n\n\n\n

G\u1ed1m nung chung \u1edf nhi\u1ec7t \u0111\u1ed9 cao (HTCC)<\/h3>\n\n\n\n

HTCC s\u1eed d\u1ee5ng ch\u1ea5t n\u1ec1n alumina k\u1ebft h\u1ee3p v\u1edbi b\u1ed9t kim lo\u1ea1i ch\u1ecbu l\u1eeda \u2014 vonfram ho\u1eb7c molypden. Ch\u00fang t\u00f4i in l\u01b0\u1edbi m\u1eabu m\u1ea1ch l\u00ean b\u0103ng g\u1ed1m th\u00f4, x\u1ebfp ch\u1ed3ng c\u00e1c l\u1edbp, sau \u0111\u00f3 nung to\u00e0n b\u1ed9 \u1edf nhi\u1ec7t \u0111\u1ed9 1600\u20131700\u00b0C trong m\u00f4i tr\u01b0\u1eddng kh\u00ed kh\u1eed (hydro). Nhi\u1ec7t \u0111\u1ed9 cao gi\u00fap nung k\u1ebft g\u1ed1m v\u00e0 kim lo\u1ea1i th\u00e0nh m\u1ed9t t\u1ea5m m\u1ea1ch nguy\u00ean kh\u1ed1i. HTCC r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00e1c ch\u1ea5t n\u1ec1n nh\u1ecf, c\u00f3 s\u1ed1 l\u1edbp cao. Tuy nhi\u00ean, qu\u00e1 tr\u00ecnh nung \u1edf nhi\u1ec7t \u0111\u1ed9 c\u1ef1c cao g\u00e2y ra \u0111\u1ed9 co ng\u00f3t 15\u201320%; ch\u00fang t\u00f4i b\u00f9 \u0111\u1eafp s\u1ef1 co ng\u00f3t n\u00e0y trong qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf CAM. C\u00e1c kim lo\u1ea1i ch\u1ecbu l\u1eeda c\u00f3 \u0111i\u1ec7n tr\u1edf su\u1ea5t cao h\u01a1n \u0111\u1ed3ng, do \u0111\u00f3 c\u00e1c \u0111\u01b0\u1eddng d\u1eabn HTCC c\u00f3 t\u1ed5n th\u1ea5t cao h\u01a1n. S\u1eed d\u1ee5ng HTCC khi b\u1ea1n c\u1ea7n nhi\u1ec1u l\u1edbp (l\u00ean \u0111\u1ebfn 10) v\u00e0 c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u1ed9 r\u1ed9ng \u0111\u01b0\u1eddng d\u1eabn l\u1edbn h\u01a1n. Nh\u00e0 m\u00e1y c\u1ee7a ch\u00fang t\u00f4i c\u00f3 th\u1ec3 duy tr\u00ec \u0111\u1ed9 r\u1ed9ng \u0111\u01b0\u1eddng d\u1eabn\/kho\u1ea3ng c\u00e1ch 100 \u00b5m sau khi hi\u1ec7u ch\u1ec9nh \u0111\u1ed9 co ng\u00f3t.<\/p>\n\n\n\n

G\u1ed1m nung chung \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p (LTCC)<\/h3>\n\n\n\n

LTCC \u0111\u01b0\u1ee3c nung \u1edf nhi\u1ec7t \u0111\u1ed9 kho\u1ea3ng 900\u00b0C. Nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n n\u00e0y cho ph\u00e9p ch\u00fang ta s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i b\u1ed9t kim lo\u1ea1i qu\u00fd \u2014 v\u00e0ng, b\u1ea1c ho\u1eb7c v\u00e0ng-palladium. Ch\u1ea5t n\u1ec1n ban \u0111\u1ea7u l\u00e0 m\u1ed9t d\u1ea3i composite th\u1ee7y tinh-g\u1ed1m. Ch\u00fang ta in c\u00e1c \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n, \u0111\u1ee5c l\u1ed7 vias b\u1eb1ng laser ho\u1eb7c d\u1ee5ng c\u1ee5 \u0111\u1ee5c c\u01a1 h\u1ecdc, l\u1ea5p \u0111\u1ea7y ch\u00fang b\u1eb1ng b\u1ed9t kim lo\u1ea1i, v\u00e0 \u00e9p c\u00e1c l\u1edbp l\u1ea1i v\u1edbi nhau. Qu\u00e1 tr\u00ecnh nung chung trong l\u00f2 oxy h\u00f3a s\u1ebd li\u00ean k\u1ebft t\u1ea5t c\u1ea3 c\u00e1c th\u00e0nh ph\u1ea7n l\u1ea1i v\u1edbi nhau. LTCC mang l\u1ea1i kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc t\u1ed1t h\u01a1n so v\u1edbi HTCC (ch\u1ec9 co ng\u00f3t 0,1\u20130,2%), do \u0111\u00f3 ch\u00fang t\u00f4i \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c \u0111\u01b0\u1eddng d\u1eabn m\u1ea3nh h\u01a1n: th\u00f4ng th\u01b0\u1eddng l\u00e0 75 \u00b5m \u0111\u01b0\u1eddng d\u1eabn\/kho\u1ea3ng c\u00e1ch. V\u00ec kim lo\u1ea1i nung l\u00e0 v\u00e0ng, n\u00ean vi\u1ec7c h\u00e0n \u01b0\u1edbt \u0111\u00f2i h\u1ecfi ph\u1ea3i c\u00f3 l\u1edbp ph\u1ee7 \u0111\u1ec7m \u0111\u1eb7c bi\u1ec7t. Ch\u00fang t\u00f4i th\u01b0\u1eddng th\u00eam ENIG (m\u1ea1 niken kh\u00f4ng \u0111i\u1ec7n v\u00e0 m\u1ea1 v\u00e0ng ng\u00e2m)<\/a>\u00a0nh\u01b0 m\u1ed9t l\u1edbp ho\u00e0n thi\u1ec7n cu\u1ed1i c\u00f9ng. LTCC r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn (RF) v\u00e0 t\u00edn hi\u1ec7u h\u1ed7n h\u1ee3p nh\u1edd h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i \u0111\u1ed3ng nh\u1ea5t v\u00e0 t\u1ed5n hao th\u1ea5p.<\/p>\n\n\n\n

B\u1ea3ng m\u1ea1ch in g\u1ed1m m\u00e0ng d\u00e0y<\/h3>\n\n\n\n

C\u00f4ng ngh\u1ec7 m\u00e0ng d\u00e0y b\u1eaft \u0111\u1ea7u t\u1eeb m\u1ed9t ch\u1ea5t n\u1ec1n g\u1ed1m \u0111\u00e3 qua nung s\u01a1 b\u1ed9 (th\u01b0\u1eddng l\u00e0 nh\u00f4m oxit 96%). Ch\u00fang t\u00f4i in l\u1ee5a c\u00e1c lo\u1ea1i b\u1ed9t d\u1eabn \u0111i\u1ec7n, \u0111i\u1ec7n tr\u1edf v\u00e0 \u0111i\u1ec7n m\u00f4i theo t\u1eebng l\u1edbp. M\u1ed7i l\u1edbp \u0111\u01b0\u1ee3c nung \u1edf nhi\u1ec7t \u0111\u1ed9 850\u20131000\u00b0C. B\u1ed9t d\u1eabn \u0111i\u1ec7n l\u00e0 v\u00e0ng ho\u1eb7c b\u1ea1c-palladium; b\u1ed9t \u0111i\u1ec7n m\u00f4i c\u00f3 t\u00e1c d\u1ee5ng c\u00e1ch \u0111i\u1ec7n gi\u1eefa c\u00e1c l\u1edbp. Sau khi nung, ch\u00fang t\u00f4i c\u00f3 th\u1ec3 c\u1eaft \u0111i\u1ec7n tr\u1edf b\u1eb1ng laser v\u1edbi dung sai \u00b11%. M\u00e0ng d\u00e0y l\u00e0 quy tr\u00ecnh g\u1ed1m c\u00f3 chi ph\u00ed th\u1ea5p nh\u1ea5t \u0111\u1ec3 t\u1ea1o m\u1eabu v\u00e0 s\u1ea3n xu\u1ea5t v\u1edbi s\u1ed1 l\u01b0\u1ee3ng v\u1eeba ph\u1ea3i. \u0110\u1ed3ng m\u00e0ng d\u00e0y nhi\u1ec1u l\u1edbp l\u00e0 m\u1ed9t bi\u1ebfn th\u1ec3 hi\u1ec7n \u0111\u1ea1i: ch\u00fang t\u00f4i in b\u1ed9t \u0111\u1ed3ng v\u00e0 nung trong m\u00f4i tr\u01b0\u1eddng nit\u01a1. \u0110i\u1ec1u n\u00e0y gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 chi ph\u00ed b\u1ed9t v\u00e0ng v\u00e0 kh\u1ea3 n\u0103ng h\u00e0n. C\u00e1c b\u1ea3ng m\u1ea1ch m\u00e0ng d\u00e0y c\u00f3 th\u1ec3 x\u1eed l\u00fd \u0111\u1ed9 d\u00e0y \u0111\u1ed3ng ho\u00e0n thi\u1ec7n 10\u201315 \u00b5m, \u0111\u1ee7 cho h\u1ea7u h\u1ebft c\u00e1c m\u1ea1ch \u0111i\u1ec7n l\u00ean \u0111\u1ebfn 10 A.<\/p>\n\n\n\n

So s\u00e1nh c\u00e1c v\u1eadt li\u1ec7u PCB g\u1ed1m<\/h2>\n\n\n\n

Vi\u1ec7c l\u1ef1a ch\u1ecdn lo\u1ea1i g\u1ed1m ph\u00f9 h\u1ee3p s\u1ebd \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t nhi\u1ec7t v\u00e0 chi ph\u00ed.<\/p>\n\n\n\n

V\u1eadt li\u1ec7u<\/th>\u0110\u1ed9 d\u1eabn nhi\u1ec7t (W\/m\u00b7K)<\/th>CTE (ppm\/\u00b0C)<\/th>H\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i<\/th>Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u0111a (\u00b0C)<\/th>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/th><\/tr><\/thead>
Alumina 96%<\/td>20\u201324<\/td>6,5\u20137,0<\/td>9.4<\/td>350<\/td>M\u00f4-\u0111un LED, b\u1ed9 ngu\u1ed3n lai<\/td><\/tr>
Alumina 99,61% TP3T<\/td>28\u201330<\/td>7.0<\/td>9.8<\/td>350<\/td>Ch\u1ea5t n\u1ec1n RF, khung g\u1eafn chip<\/td><\/tr>
Nitrua nh\u00f4m (AlN)<\/td>170\u2013230<\/td>4.5<\/td>8.8<\/td>400<\/td>B\u1ed9 khu\u1ebfch \u0111\u1ea1i GaN c\u00f4ng su\u1ea5t cao, b\u1ed9 bi\u1ebfn t\u1ea7n cho xe \u0111i\u1ec7n<\/td><\/tr>
\u00d4x\u00edt berili (BeO)<\/td>260<\/td>6.4<\/td>6.7<\/td>450<\/td>Radar qu\u00e2n s\u1ef1 (ch\u1ea5t \u0111\u1ed9c h\u1ea1i \u2014 c\u1ea7n x\u1eed l\u00fd \u0111\u1eb7c bi\u1ec7t)<\/td><\/tr>
Cacbua silic (SiC)<\/td>120\u2013270<\/td>4.0<\/td>40<\/td>800+<\/td>C\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 c\u1ef1c cao<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Alumina 96% mang l\u1ea1i s\u1ef1 c\u00e2n b\u1eb1ng t\u1ed1i \u01b0u gi\u1eefa gi\u00e1 c\u1ea3 v\u00e0 hi\u1ec7u su\u1ea5t. AlN c\u00f3 gi\u00e1 cao g\u1ea5p kho\u1ea3ng 3 l\u1ea7n nh\u01b0ng gi\u00fap gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 \u0111i\u1ec3m n\u1ed1i h\u01a1n 20\u00b0C trong thi\u1ebft k\u1ebf 50 W. Kho\u1ea3ng tr\u1ed1ng nhi\u1ec7t d\u01b0 th\u1eeba n\u00e0y c\u00f3 th\u1ec3 gi\u00fap t\u0103ng g\u1ea5p \u0111\u00f4i th\u1eddi gian trung b\u00ecnh gi\u1eefa c\u00e1c l\u1ea7n h\u1ecfng h\u00f3c c\u1ee7a h\u1ec7 th\u1ed1ng. Nh\u00e0 m\u00e1y c\u1ee7a ch\u00fang t\u00f4i c\u00f3 s\u1eb5n c\u1ea3 t\u1ea5m alumina 96% v\u00e0 99.6% v\u1edbi k\u00edch th\u01b0\u1edbc 4\u2033\u00d74\u2033 v\u00e0 6\u2033\u00d78\u2033. T\u1ea5m AlN c\u00f3 s\u1eb5n theo y\u00eau c\u1ea7u v\u1edbi th\u1eddi gian giao h\u00e0ng l\u00e2u h\u01a1n m\u1ed9t ch\u00fat.<\/p>\n\n\n\n

Nh\u1eefng \u01b0u \u0111i\u1ec3m ch\u00ednh c\u1ee7a b\u1ea3ng m\u1ea1ch in g\u1ed1m<\/h2>\n\n\n\n

\u0110\u1ed9 d\u1eabn nhi\u1ec7t v\u01b0\u1ee3t tr\u1ed9i<\/h3>\n\n\n\n

FR-4 c\u00f3 h\u1ec7 s\u1ed1 d\u1eabn nhi\u1ec7t kho\u1ea3ng 0,25 W\/m\u00b7K. Ngay c\u1ea3 nh\u00f4m oxit ti\u00eau chu\u1ea9n (24 W\/m\u00b7K) c\u0169ng d\u1eabn nhi\u1ec7t nhanh h\u01a1n 96 l\u1ea7n. Nitrua nh\u00f4m c\u00f3 h\u1ec7 s\u1ed1 d\u1eabn nhi\u1ec7t t\u1eeb 170\u2013230 W\/m\u00b7K. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 m\u1ed9t l\u1edbp \u0111\u1ed3ng d\u00e0y 1 ounce tr\u00ean n\u1ec1n g\u1ed1m s\u1ebd ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t b\u1ed9 t\u1ea3n nhi\u1ec7t hi\u1ec7u qu\u1ea3. V\u00ed d\u1ee5, m\u1ed9t \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ed3ng r\u1ed9ng 2 mm, d\u00e0y 0,3 mm \u1edf 100 A s\u1ebd ch\u1ec9 t\u0103ng 5\u00b0C so v\u1edbi nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng tr\u00ean b\u1ea3ng alumina. \u0110\u01b0\u1eddng d\u1eabn t\u01b0\u01a1ng t\u1ef1 tr\u00ean FR-4 s\u1ebd qu\u00e1 n\u00f3ng v\u00e0 b\u1ecb bong tr\u00f3c. Vi\u1ec7c l\u1eafp \u0111\u1eb7t linh ki\u1ec7n tr\u1ef1c ti\u1ebfp tr\u00ean g\u1ed1m gi\u00fap lo\u1ea1i b\u1ecf c\u00e1c l\u1edbp v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t, gi\u1ea3m t\u1ed5ng \u0111i\u1ec7n tr\u1edf t\u1eeb \u0111i\u1ec3m n\u1ed1i \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n

Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao<\/h3>\n\n\n\n

C\u00e1c t\u1ea5m m\u1ea1ch in HTCC v\u00e0 t\u1ea5m m\u1ea1ch in nh\u00f4m oxit m\u00e0ng d\u00e0y c\u1ee7a ch\u00fang t\u00f4i c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c \u1edf nhi\u1ec7t \u0111\u1ed9 350\u00b0C. C\u00e1c t\u1ea5m m\u1ea1ch in SiC c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 tr\u00ean 800\u00b0C. V\u1eadt li\u1ec7u FR-4 truy\u1ec1n th\u1ed1ng c\u00f3 nhi\u1ec7t \u0111\u1ed9 chuy\u1ec3n pha th\u1ee7y tinh (Tg) t\u1eeb 130\u2013170\u00b0C; n\u00f3 s\u1ebd m\u1ec1m ra v\u00e0 h\u1ecfng h\u00f3c ngay c\u1ea3 khi nhi\u1ec7t \u0111\u1ed9 c\u00f2n th\u1ea5p h\u01a1n 200\u00b0C. Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao n\u00e0y khi\u1ebfn c\u00e1c t\u1ea5m m\u1ea1ch in g\u1ed1m tr\u1edf n\u00ean kh\u00f4ng th\u1ec3 thi\u1ebfu trong c\u00e1c c\u00f4ng c\u1ee5 khoan d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t, h\u1ec7 th\u1ed1ng d\u1eabn \u0111\u01b0\u1eddng t\u00ean l\u1eeda v\u00e0 c\u00e1c c\u1ea3m bi\u1ebfn \u00f4 t\u00f4 \u0111\u1eb7t d\u01b0\u1edbi n\u1eafp ca-p\u00f4.<\/p>\n\n\n\n

V\u1ecf g\u00f3i silicon v\u00e0 g\u1ed1m c\u00f3 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t (CTE) th\u1ea5p<\/h3>\n\n\n\n

C\u00e1c chip silicon gi\u00e3n n\u1edf v\u1edbi t\u1ed1c \u0111\u1ed9 kho\u1ea3ng 2,6 ppm\/\u00b0C. V\u1ecf chip g\u1ed1m kh\u00f4ng ch\u00e2n (LCCC) c\u00f3 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t (CTE) l\u00e0 6\u20137 ppm\/\u00b0C. V\u1eadt li\u1ec7u FR-4 gi\u00e3n n\u1edf v\u1edbi t\u1ed1c \u0111\u1ed9 14\u201317 ppm\/\u00b0C. S\u1ef1 kh\u00f4ng t\u01b0\u01a1ng th\u00edch n\u00e0y g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng m\u1ecfi m\u1ed1i h\u00e0n trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m chu k\u1ef3 nhi\u1ec7t. M\u1ed9t PCB g\u1ed1m c\u00f3 CTE 6,5 ppm\/\u00b0C g\u1ea7n nh\u01b0 ho\u00e0n to\u00e0n ph\u00f9 h\u1ee3p v\u1edbi g\u00f3i. Trong c\u00e1c th\u1eed nghi\u1ec7m \u0111\u1ed9 tin c\u1eady c\u1ee7a ch\u00fang t\u00f4i, c\u00e1c m\u1ed1i h\u00e0n g\u1ed1m-LCCC ch\u1ecbu \u0111\u01b0\u1ee3c 2.000 chu k\u1ef3 s\u1ed1c nhi\u1ec7t (\u221255\u00b0C \u0111\u1ebfn +125\u00b0C) m\u00e0 kh\u00f4ng b\u1ecb n\u1ee9t, trong khi c\u00e1c m\u1ed1i h\u00e0n t\u01b0\u01a1ng t\u1ef1 tr\u00ean FR-4 b\u1ecb h\u1ecfng sau 500 chu k\u1ef3.<\/p>\n\n\n\n

Kh\u1ea3 n\u0103ng c\u00e1ch \u0111i\u1ec7n v\u01b0\u1ee3t tr\u1ed9i v\u00e0 hi\u1ec7u su\u1ea5t t\u1ea7n s\u1ed1 cao<\/h3>\n\n\n\n

\u0110\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i tr\u00ean n\u1ec1n nh\u00f4m oxit v\u01b0\u1ee3t qu\u00e1 20 kV\/mm. H\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i duy tr\u00ec \u1ed5n \u0111\u1ecbnh trong m\u1ecdi \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 v\u00e0 t\u1ea7n s\u1ed1, v\u1edbi h\u1ec7 s\u1ed1 t\u1ed5n hao th\u1ea5p. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p thi\u1ebft k\u1ebf c\u00e1c \u0111\u01b0\u1eddng d\u1eabn c\u00f3 \u0111\u1ed9 tr\u1edf kh\u00e1ng cao cho t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn (RF) l\u00ean \u0111\u1ebfn 20 GHz. \u0110\u1ed1i v\u1edbi c\u00e1c b\u1ea3ng m\u1ea1ch LTCC t\u00edn hi\u1ec7u h\u1ed7n h\u1ee3p, \u0111i\u1ec7n dung k\u00fd sinh c\u00f3 th\u1ec3 gi\u1ea3m g\u1ea7n 90% so v\u1edbi c\u00e1c thi\u1ebft k\u1ebf FR-4. S\u1ef1 gi\u1ea3m n\u00e0y gi\u00fap gi\u1ea3m nhi\u1ec5u ch\u00e9o v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i t\u1eeb analog sang k\u1ef9 thu\u1eadt s\u1ed1.<\/p>\n\n\n\n

\u0110\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc v\u00e0 t\u00ednh \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i<\/h3>\n\n\n\n

M\u1eb7c d\u00f9 c\u00f3 t\u00ednh gi\u00f2n, c\u00e1c ch\u1ea5t n\u1ec1n g\u1ed1m v\u1eabn c\u00f3 \u0111\u1ed9 b\u1ec1n n\u00e9n cao (alumina ~2.000 MPa). Ch\u00fang c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i s\u1ef1 \u0103n m\u00f2n h\u00f3a h\u1ecdc do nhi\u00ean li\u1ec7u, axit v\u00e0 dung m\u00f4i t\u1ea9y r\u1eeda g\u00e2y ra. Kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 \u0111\u1ed9 \u1ea9m g\u1ea7n nh\u01b0 b\u1eb1ng kh\u00f4ng, do \u0111\u00f3 c\u00e1c t\u00ednh ch\u1ea5t \u0111i\u1ec7n kh\u00f4ng b\u1ecb bi\u1ebfn \u0111\u1ed5i. C\u00e1c b\u1ea3ng m\u1ea1ch c\u1ee7a ch\u00fang t\u00f4i \u0111\u00e1p \u1ee9ng IPC-TM-650 <\/a>c\u00e1c th\u1eed nghi\u1ec7m v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng \u1ea9m m\u00e0 kh\u00f4ng g\u00e2y ra b\u1ea5t k\u1ef3 s\u1ef1 suy gi\u1ea3m n\u00e0o.<\/p>\n\n\n\n

T\u00edch h\u1ee3p m\u1eadt \u0111\u1ed9 cao v\u00e0 thu nh\u1ecf<\/h3>\n\n\n\n

Ch\u00fang t\u00f4i s\u1eed d\u1ee5ng c\u00e1c l\u1ed7 vi m\u00f4 \u0111\u01b0\u1ee3c khoan b\u1eb1ng laser v\u1edbi \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf nh\u1ea5t ch\u1ec9 0,06 mm. K\u1ebft h\u1ee3p v\u1edbi quy tr\u00ecnh LTCC \u0111\u01b0\u1eddng m\u1ea1ch m\u1ea3nh (kho\u1ea3ng c\u00e1ch \u0111\u01b0\u1eddng m\u1ea1ch 75 \u00b5m), b\u1ea1n c\u00f3 th\u1ec3 b\u1ed1 tr\u00ed nhi\u1ec1u linh ki\u1ec7n h\u01a1n tr\u00ean m\u1ed9t di\u1ec7n t\u00edch nh\u1ecf h\u01a1n. C\u00f4ng ngh\u1ec7 nung \u0111\u1ed3ng th\u1eddi nhi\u1ec1u l\u1edbp cho ph\u00e9p ch\u00fang t\u00f4i nh\u00fang c\u00e1c linh ki\u1ec7n th\u1ee5 \u0111\u1ed9ng \u2014 \u0111i\u1ec7n tr\u1edf, t\u1ee5 \u0111i\u1ec7n \u2014 v\u00e0o b\u00ean trong ch\u1ea5t n\u1ec1n trong qu\u00e1 tr\u00ecnh thi\u00eau k\u1ebft. \u0110i\u1ec1u n\u00e0y gi\u1ea3i ph\u00f3ng di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t cho c\u00e1c chip ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u0111\u1ea7u n\u1ed1i. M\u1ed9t b\u1ea3ng m\u1ea1ch LTCC duy nh\u1ea5t c\u00f3 th\u1ec3 thay th\u1ebf to\u00e0n b\u1ed9 c\u1ee5m l\u1eafp r\u00e1p FR-4 nhi\u1ec1u b\u1ea3ng m\u1ea1ch, gi\u00fap gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 th\u1ec3 t\u00edch.<\/p>\n\n\n\n

\"High\u2011Density<\/figure>\n\n\n\n

T\u1ea1i sao n\u00ean s\u1eed d\u1ee5ng PCB g\u1ed1m thay v\u00ec c\u00e1c lo\u1ea1i b\u1ea3ng m\u1ea1ch kh\u00e1c?<\/h2>\n\n\n\n

\u0110\u1ed9 d\u1eabn nhi\u1ec7t: Nh\u1eefng con s\u1ed1 th\u1ef1c t\u1ebf<\/h3>\n\n\n\n

FR\u20114: 0,25 W\/m\u00b7K. MCPCB (m\u1eb7t sau b\u1eb1ng nh\u00f4m): 1\u20132 W\/m\u00b7K, nh\u01b0ng v\u1eabn s\u1eed d\u1ee5ng l\u1edbp c\u00e1ch \u0111i\u1ec7n, t\u1ea1o ra \u0111i\u1ec3m ngh\u1ebdn. G\u1ed1m alumina: 24 W\/m\u00b7K, kh\u00f4ng c\u00f3 l\u1edbp c\u00e1ch nhi\u1ec7t. Do \u0111\u00f3, nhi\u1ec7t truy\u1ec1n ngay l\u1eadp t\u1ee9c t\u1eeb \u0111\u1ebf linh ki\u1ec7n sang th\u00e2n g\u1ed1m. \u0110\u00e8n LED 10 W tr\u00ean MCPCB c\u00f3 th\u1ec3 \u0111\u1ea1t nhi\u1ec7t \u0111\u1ed9 \u0111i\u1ec3m n\u1ed1i 120\u00b0C; c\u00f9ng lo\u1ea1i \u0111\u00e8n LED tr\u00ean alumina v\u1eabn duy tr\u00ec d\u01b0\u1edbi 100\u00b0C. Ho\u1ea1t \u0111\u1ed9ng m\u00e1t h\u01a1n n\u00e0y gi\u00fap t\u0103ng g\u1ea5p \u0111\u00f4i tu\u1ed5i th\u1ecd duy tr\u00ec quang th\u00f4ng.<\/p>\n\n\n\n

So s\u00e1nh gi\u00e1 v\u00e0 T\u1ed5ng chi ph\u00ed s\u1edf h\u1eefu<\/h3>\n\n\n\n

B\u1ea3ng m\u1ea1ch g\u1ed1m c\u00f3 gi\u00e1 cao h\u01a1n t\u00ednh theo \u0111\u01a1n v\u1ecb di\u1ec7n t\u00edch. M\u1ed9t b\u1ea3ng m\u1ea1ch nh\u00f4m oxit 2 l\u1edbp 96% (100 \u00d7 80 mm) c\u00f3 gi\u00e1 kho\u1ea3ng $0.8\u20131.2\/cm\u00b2 khi mua s\u1ed1 l\u01b0\u1ee3ng l\u1edbn (h\u01a1n 100 chi\u1ebfc). Trong khi \u0111\u00f3, m\u1ed9t b\u1ea3ng m\u1ea1ch FR-4 b\u1ed1n l\u1edbp t\u01b0\u01a1ng \u0111\u01b0\u01a1ng c\u00f3 gi\u00e1 $0.10\/cm\u00b2. Tuy nhi\u00ean, chi ph\u00ed h\u1ec7 th\u1ed1ng l\u1ea1i cho th\u1ea5y m\u1ed9t b\u1ee9c tranh kh\u00e1c. G\u1ed1m gi\u00fap lo\u1ea1i b\u1ecf nhu c\u1ea7u s\u1eed d\u1ee5ng mi\u1ebfng \u0111\u1ec7m nhi\u1ec7t, b\u1ed9 t\u1ea3n nhi\u1ec7t v\u00e0 t\u1ea3n nhi\u1ec7t l\u1edbn. \u0110\u1ed1i v\u1edbi b\u1ed9 ngu\u1ed3n 50 W, kho\u1ea3n ti\u1ebft ki\u1ec7m v\u1ec1 ph\u1ea7n c\u1ee9ng l\u00e0m m\u00e1t v\u00e0 nh\u00e2n c\u00f4ng l\u1eafp r\u00e1p th\u01b0\u1eddng v\u01b0\u1ee3t qu\u00e1 $10 cho m\u1ed7i \u0111\u01a1n v\u1ecb. Phi\u00ean b\u1ea3n g\u1ed1m c\u0169ng gi\u00fap gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng h\u00e0ng tr\u1ea3 l\u1ea1i. Trong su\u1ed1t v\u00f2ng \u0111\u1eddi s\u1ea3n ph\u1ea9m, g\u1ed1m mang l\u1ea1i t\u1ed5ng chi ph\u00ed s\u1edf h\u1eefu th\u1ea5p h\u01a1n.<\/p>\n\n\n\n

\u1ee8ng d\u1ee5ng c\u00f4ng ngh\u1ec7: Khi g\u1ed1m s\u1ee9 t\u1ecfa s\u00e1ng<\/h3>\n\n\n\n

N\u00ean s\u1eed d\u1ee5ng g\u1ed1m s\u1ee9 trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p sau:<\/p>\n\n\n\n

    \n
  • Nhi\u1ec7t \u0111\u1ed9 t\u1ea1i \u0111i\u1ec3m n\u1ed1i ph\u1ea3i duy tr\u00ec d\u01b0\u1edbi 150\u00b0C trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng cao.<\/li>\n\n\n\n
  • Thi\u1ebft k\u1ebf n\u00e0y c\u00f3 nhi\u1ec1u linh ki\u1ec7n nh\u1ea1y c\u1ea3m v\u1edbi h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t (ch\u00edp tr\u1ea7n, IC \u0111\u00f3ng g\u00f3i g\u1ed1m).<\/li>\n\n\n\n
  • B\u1ea1n c\u1ea7n hi\u1ec7u su\u1ea5t RF \u1edf t\u1ea7n s\u1ed1 tr\u00ean 5 GHz.<\/li>\n\n\n\n
  • S\u1ea3n ph\u1ea9m ph\u1ea3i ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a rung \u0111\u1ed9ng m\u1ea1nh ho\u1eb7c m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n.<\/li>\n\n\n\n
  • Qu\u00e1 tr\u00ecnh thu nh\u1ecf k\u00edch th\u01b0\u1edbc \u0111\u00f2i h\u1ecfi ph\u1ea3i s\u1eed d\u1ee5ng c\u00e1c l\u1ed7 th\u00f4ng m\u1ea1ch \u1ea9n\/ch\u00f4n ng\u1ea7m v\u00e0 c\u00e1c linh ki\u1ec7n th\u1ee5 \u0111\u1ed9ng nh\u00fang.<\/li>\n<\/ul>\n\n\n\n

    N\u1ebfu c\u00e1c y\u00eau c\u1ea7u c\u1ee7a b\u1ea1n ch\u1ec9 \u1edf m\u1ee9c nhi\u1ec7t \u0111\u1ed9 v\u1eeba ph\u1ea3i v\u00e0 chi ph\u00ed l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng h\u00e0ng \u0111\u1ea7u, th\u00ec MCPCB ho\u1eb7c FR-4 \u0111\u1ed3ng d\u00e0y c\u00f3 th\u1ec3 l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p. Tuy nhi\u00ean, m\u1ed9t khi g\u1eb7p ph\u1ea3i r\u00e0o c\u1ea3n v\u1ec1 nhi\u1ec7t, v\u1eadt li\u1ec7u g\u1ed1m s\u1ebd gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1.<\/p>\n\n\n\n

    C\u00e1ch s\u1ea3n xu\u1ea5t b\u1ea3ng m\u1ea1ch in g\u1ed1m (PCB)?<\/h2>\n\n\n\n

    Ch\u00fang t\u00f4i \u00e1p d\u1ee5ng b\u1ed1n quy tr\u00ecnh s\u1ea3n xu\u1ea5t ch\u00ednh t\u1ea1i nh\u00e0 m\u00e1y. T\u00f4i s\u1ebd gi\u1edbi thi\u1ec7u s\u01a1 l\u01b0\u1ee3c t\u1eebng quy tr\u00ecnh.<\/p>\n\n\n\n

    Quy tr\u00ecnh HTCC<\/h3>\n\n\n\n
      \n
    1. \u0110\u00fac b\u1eb1ng b\u0103ng:<\/strong>\u00a0Ch\u00fang t\u00f4i tr\u1ed9n b\u1ed9t nh\u00f4m oxit v\u1edbi ch\u1ea5t k\u1ebft d\u00ednh h\u1eefu c\u01a1 r\u1ed3i \u0111\u00fac th\u00e0nh c\u00e1c t\u1ea5m xanh m\u1ecfng.<\/li>\n\n\n\n
    2. C\u1eaft l\u1ed7 v\u00e0 \u0111\u1ee5c l\u1ed7 via:<\/strong>\u00a0Ch\u00fang t\u00f4i c\u1eaft t\u1ea5m th\u00e0nh c\u00e1c t\u1ea5m c\u00f3 k\u00edch th\u01b0\u1edbc theo y\u00eau c\u1ea7u v\u00e0 \u0111\u1ee5c l\u1ed7 th\u00f4ng qua ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ee5c l\u1ed7 b\u1eb1ng khu\u00f4n ho\u1eb7c khoan laser.<\/li>\n\n\n\n
    3. Th\u00f4ng qua qu\u00e1 tr\u00ecnh \u0111i\u1ec1n v\u00e0 in:<\/strong>\u00a0\u0110\u1ed5 b\u1ed9t vonfram v\u00e0o c\u00e1c l\u1ed7 vias. In l\u01b0\u1edbi c\u00e1c \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n tr\u00ean t\u1eebng l\u1edbp.<\/li>\n\n\n\n
    4. Laminate:<\/strong>\u00a0X\u1ebfp c\u00e1c l\u1edbp v\u00e0o khu\u00f4n \u00e9p d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec7t v\u00e0 \u00e1p su\u1ea5t.<\/li>\n\n\n\n
    5. \u0110\u1ed1t h\u1ed7n h\u1ee3p:<\/strong>\u00a0Nung kh\u1ed1i v\u1eadt li\u1ec7u \u00e9p l\u1edbp \u1edf nhi\u1ec7t \u0111\u1ed9 1600\u20131700\u00b0C trong 32\u201348 gi\u1edd trong m\u00f4i tr\u01b0\u1eddng kh\u00ed hydro-nit\u01a1 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. Ch\u1ea5t k\u1ebft d\u00ednh b\u1ecb \u0111\u1ed1t ch\u00e1y, v\u00e0 g\u1ed1m s\u1ee9 k\u1ebft t\u1ee5 v\u1edbi kim lo\u1ea1i.<\/li>\n\n\n\n
    6. X\u1eed l\u00fd sau:<\/strong>\u00a0C\u1eaft g\u1ecdt b\u1eb1ng laser c\u00e1c \u0111i\u1ec7n tr\u1edf nh\u00fang. Th\u1ef1c hi\u1ec7n c\u00e1c c\u00f4ng \u0111o\u1ea1n ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t (ENIG, m\u1ea1 b\u1ea1c ng\u00e2m) n\u1ebfu c\u1ea7n thi\u1ebft.<\/li>\n<\/ol>\n\n\n\n

      Quy tr\u00ecnh LTCC<\/h3>\n\n\n\n

      C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n t\u01b0\u01a1ng t\u1ef1, nh\u01b0ng s\u1eed d\u1ee5ng b\u0103ng g\u1ed1m th\u1ee7y tinh, b\u1ed9t v\u00e0ng v\u00e0 nung \u1edf nhi\u1ec7t \u0111\u1ed9 900\u00b0C trong m\u00f4i tr\u01b0\u1eddng kh\u00f4ng kh\u00ed. Kh\u00f4ng c\u1ea7n s\u1eed d\u1ee5ng hydro. K\u00edch th\u01b0\u1edbc l\u1ed7 via c\u00f3 th\u1ec3 thu nh\u1ecf xu\u1ed1ng c\u00f2n 0,1 mm. Ch\u00fang ta c\u00f3 th\u1ec3 t\u00edch h\u1ee3p cu\u1ed9n c\u1ea3m v\u00e0 t\u1ee5 \u0111i\u1ec7n v\u00e0o b\u00ean trong l\u1edbp x\u1ebfp ch\u1ed3ng.<\/p>\n\n\n\n

      Quy tr\u00ecnh m\u00e0ng d\u00e0y<\/h3>\n\n\n\n
        \n
      1. B\u1eaft \u0111\u1ea7u v\u1edbi m\u1ed9t t\u1ea5m n\u1ec1n nh\u00f4m oxit \u0111\u00e3 qua x\u1eed l\u00fd nhi\u1ec7t.<\/li>\n\n\n\n
      2. In l\u1ee5a l\u1edbp d\u1eabn \u0111i\u1ec7n (v\u00e0ng ho\u1eb7c b\u1ea1c-palladium), \u0111\u1ec3 kh\u00f4, r\u1ed3i nung \u1edf nhi\u1ec7t \u0111\u1ed9 850\u20131000\u00b0C.<\/li>\n\n\n\n
      3. In l\u1edbp \u0111i\u1ec7n m\u00f4i \u0111\u1ec3 c\u00e1ch \u0111i\u1ec7n, sau \u0111\u00f3 nung.<\/li>\n\n\n\n
      4. L\u1eb7p l\u1ea1i quy tr\u00ecnh n\u00e0y cho t\u1eebng l\u1edbp. \u0110\u1ed1i v\u1edbi l\u1edbp \u0111\u1ed3ng m\u00e0ng d\u00e0y, h\u00e3y in v\u00e0 nung trong m\u00f4i tr\u01b0\u1eddng nit\u01a1.<\/li>\n\n\n\n
      5. Ph\u1ee7 l\u1edbp men ph\u1ee7 cu\u1ed1i c\u00f9ng ho\u1eb7c l\u1edbp ch\u1ed1ng h\u00e0n (n\u1ebfu c\u1ea7n).<\/li>\n\n\n\n
      6. \u0110i\u1ec1u ch\u1ec9nh \u0111i\u1ec7n tr\u1edf b\u1eb1ng tia laser cho \u0111\u1ebfn khi \u0111\u1ea1t gi\u00e1 tr\u1ecb mong mu\u1ed1n.<\/li>\n<\/ol>\n\n\n\n

        Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ti\u00eau bi\u1ec3u c\u1ee7a m\u1ea1ch phim d\u00e0y: kho\u1ea3ng c\u00e1ch \u0111\u01b0\u1eddng d\u1eabn\/kho\u1ea3ng tr\u1ed1ng 125 \u00b5m, \u0111\u01b0\u1eddng k\u00ednh l\u1ed7 via 0,3 mm, t\u1ed1i \u0111a 4 l\u1edbp d\u1eabn \u0111i\u1ec7n, \u0111\u1ed9 d\u00e0y \u0111\u1ed3ng ho\u00e0n thi\u1ec7n 10\u201315 \u00b5m m\u1ed7i l\u1edbp.<\/p>\n\n\n\n

        \u0110\u1ed3ng m\u1ea1 tr\u1ef1c ti\u1ebfp (DPC) v\u00e0 \u0110\u1ed3ng li\u00ean k\u1ebft tr\u1ef1c ti\u1ebfp (DCB)<\/h3>\n\n\n\n

        \u0110\u00e2y l\u00e0 nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n h\u01a1n d\u00e0nh cho b\u1ea3ng m\u1ea1ch m\u1ed9t m\u1eb7t ho\u1eb7c hai m\u1eb7t. C\u00f4ng ngh\u1ec7 DPC ph\u1ee7 m\u1ed9t l\u1edbp \u0111\u1ed3ng n\u1ec1n l\u00ean g\u1ed1m b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ph\u00fan x\u1ea1, sau \u0111\u00f3 m\u1ea1 \u0111i\u1ec7n \u0111\u1ec3 \u0111\u1ea1t \u0111\u1ed9 d\u00e0y mong mu\u1ed1n. C\u00f4ng ngh\u1ec7 DCB li\u00ean k\u1ebft m\u1ed9t l\u00e1 \u0111\u1ed3ng d\u00e0y (0,1\u20130,3 mm) tr\u1ef1c ti\u1ebfp l\u00ean alumina ho\u1eb7c AlN \u1edf nhi\u1ec7t \u0111\u1ed9 cao trong m\u00f4i tr\u01b0\u1eddng nit\u01a1. Ch\u00fang t\u00f4i s\u1eed d\u1ee5ng DPC cho c\u00e1c g\u00f3i LED v\u00e0 DCB cho c\u00e1c m\u00f4-\u0111un IGBT d\u00f2ng \u0111i\u1ec7n cao. C\u1ea3 hai ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec1u mang l\u1ea1i hi\u1ec7u su\u1ea5t nhi\u1ec7t tuy\u1ec7t v\u1eddi v\u1edbi \u0111\u1ed9 d\u00e0y \u0111\u1ed3ng l\u00ean \u0111\u1ebfn 300 \u00b5m.<\/p>\n\n\n\n

        Nh\u00e0 m\u00e1y c\u1ee7a ch\u00fang t\u00f4i s\u1ea3n xu\u1ea5t c\u00e1c k\u00edch th\u01b0\u1edbc b\u1ea3ng m\u1ea1ch ti\u00eau chu\u1ea9n: 4\u2033\u00d74\u2033, 5\u2033\u00d75\u2033, 6\u2033\u00d78\u2033 v\u00e0 8\u2033\u00d710\u2033. S\u1ed1 l\u1edbp dao \u0111\u1ed9ng t\u1eeb 1 \u0111\u1ebfn 6 \u0111\u1ed1i v\u1edbi m\u1ea1ch phim d\u00e0y, v\u00e0 l\u00ean \u0111\u1ebfn 10 \u0111\u1ed1i v\u1edbi HTCC\/LTCC. Ch\u00fang t\u00f4i \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u01b0\u1eddng\/kho\u1ea3ng c\u00e1ch 75 \u00b5m tr\u00ean LTCC, 100 \u00b5m tr\u00ean HTCC. C\u00e1c lo\u1ea1i ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t bao g\u1ed3m ENIG, ENEPIG, b\u1ea1c ng\u00e2m v\u00e0 v\u00e0ng m\u1ec1m c\u00f3 th\u1ec3 h\u00e0n d\u00e2y b\u1eb1ng v\u00e0ng nguy\u00ean ch\u1ea5t.<\/p>\n\n\n\n

        H\u01b0\u1edbng d\u1eabn thi\u1ebft k\u1ebf PCB g\u1ed1m v\u00e0 Danh s\u00e1ch ki\u1ec3m tra DFM<\/h2>\n\n\n\n

        Thi\u1ebft k\u1ebf s\u1ea3n ph\u1ea9m g\u1ed1m s\u1ee9 \u0111\u00f2i h\u1ecfi s\u1ef1 c\u1ea9n tr\u1ecdng \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 tr\u00e1nh n\u1ee9t v\u1ee1 v\u00e0 gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m. T\u00f4i s\u1ebd chia s\u1ebb v\u1edbi c\u00e1c b\u1ea1n nh\u1eefng nguy\u00ean t\u1eafc quan tr\u1ecdng nh\u1ea5t d\u1ef1a tr\u00ean kinh nghi\u1ec7m 15 n\u0103m c\u1ee7a nh\u00e0 m\u00e1y ch\u00fang t\u00f4i.<\/p>\n\n\n\n

        \"Ceramic<\/figure>\n\n\n\n

        Kho\u1ea3ng c\u00e1ch t\u1eeb trung t\u00e2m \u0111\u1ebfn m\u00e9p<\/h3>\n\n\n\n

        L\u1ed7i th\u01b0\u1eddng g\u1eb7p nh\u1ea5t m\u00e0 ch\u00fang t\u00f4i ghi nh\u1eadn l\u00e0 c\u00e1c l\u1ed7 via b\u1ecb n\u1ee9t g\u1ea7n m\u00e9p b\u1ea3ng m\u1ea1ch. G\u1ed1m s\u1ee9 l\u00e0 v\u1eadt li\u1ec7u d\u1ec5 v\u1ee1. Khi t\u00e1ch c\u00e1c b\u1ea3ng m\u1ea1ch \u0111\u00e3 \u0111\u01b0\u1ee3c gh\u00e9p th\u00e0nh t\u1ea5m b\u1eb1ng c\u01b0a kim c\u01b0\u01a1ng ho\u1eb7c tia laser, c\u00e1c v\u1ebft n\u1ee9t vi m\u00f4 c\u00f3 th\u1ec3 lan r\u1ed9ng v\u00e0o b\u00ean trong. H\u00e3y \u0111\u1ea3m b\u1ea3o kho\u1ea3ng c\u00e1ch gi\u1eefa t\u00e2m c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c l\u1ed7 via v\u00e0 m\u00e9p b\u1ea3ng m\u1ea1ch ho\u00e0n thi\u1ec7n ph\u1ea3i \u00edt nh\u1ea5t l\u00e0 2,0 mm. N\u1ebfu thi\u1ebft k\u1ebf b\u1eaft bu\u1ed9c ph\u1ea3i \u0111\u1eb7t l\u1ed7 via g\u1ea7n m\u00e9p h\u01a1n, h\u00e3y s\u1eed d\u1ee5ng c\u00e1c mi\u1ebfng \u0111\u1ec7m h\u00ecnh gi\u1ecdt n\u01b0\u1edbc \u0111\u1ec3 gia c\u1ed1. Chi\u1ec1u d\u00e0i c\u1ee7a h\u00ecnh gi\u1ecdt n\u01b0\u1edbc b\u1eb1ng 0,5 l\u1ea7n \u0111\u01b0\u1eddng k\u00ednh mi\u1ebfng \u0111\u1ec7m s\u1ebd gi\u00fap t\u0103ng \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng ch\u1ed1ng n\u1ee9t.<\/p>\n\n\n\n

        Thi\u1ebft k\u1ebf l\u1ed7 v\u00e0 \u0111\u1ebf<\/h3>\n\n\n\n

        S\u1eed d\u1ee5ng c\u00e1c \u0111i\u1ec3m n\u1ed1i h\u00ecnh gi\u1ecdt n\u01b0\u1edbc tr\u00ean m\u1ecdi l\u1ed7 vias v\u00e0 pad SMD. \u0110i\u1ec1u n\u00e0y gi\u00fap ph\u00e2n t\u00e1n \u1ee9ng su\u1ea5t c\u01a1 h\u1ecdc. \u0110\u01b0\u1eddng k\u00ednh v\u00f2ng tr\u00f2n t\u1ed1i thi\u1ec3u ph\u1ea3i l\u00e0 0,15 mm \u0111\u1ec3 \u0111\u1ea1t \u0111\u1ed9 tin c\u1eady lo\u1ea1i 3. Tr\u00e1nh \u0111\u1eb7t c\u00e1c l\u1ed7 vias d\u01b0\u1edbi c\u00e1c g\u00f3c c\u1ee7a BGA, n\u01a1i \u1ee9ng su\u1ea5t t\u1eadp trung trong qu\u00e1 tr\u00ecnh thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9.<\/p>\n\n\n\n

        H\u1ed3 s\u01a1 h\u00e0n<\/h3>\n\n\n\n

        G\u1ed1m s\u1ee9 c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng nhi\u1ec7t v\u00e0 \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao. Qu\u00e1 tr\u00ecnh l\u00e0m n\u00f3ng tr\u01b0\u1edbc tr\u1edf n\u00ean r\u1ea5t quan tr\u1ecdng. X\u01b0\u1edfng l\u1eafp r\u00e1p c\u1ee7a ch\u00fang t\u00f4i s\u1eed d\u1ee5ng t\u1ed1c \u0111\u1ed9 t\u0103ng nhi\u1ec7t 2,5\u00b0C\/gi\u00e2y, duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 150\u2013170\u00b0C trong 90 gi\u00e2y v\u00e0 nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec9nh c\u1ee7a qu\u00e1 tr\u00ecnh h\u00e0n l\u1ea1i l\u00e0 245\u00b0C \u0111\u1ed1i v\u1edbi ch\u1ea5t h\u00e0n SAC305. B\u1ea3ng m\u1ea1ch ch\u1ec9 c\u1ea7n duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 tr\u00ean 217\u00b0C trong 45\u201360 gi\u00e2y \u0111\u1ec3 tr\u00e1nh l\u00e0m qu\u00e1 nhi\u1ec7t c\u00e1c linh ki\u1ec7n nh\u1ea1y c\u1ea3m. \u0110\u1ed1i v\u1edbi THT, h\u00e3y s\u1eed d\u1ee5ng m\u1ecf h\u00e0n c\u00f3 nhi\u1ec7t \u0111\u1ed9 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t v\u00e0 l\u00e0m n\u00f3ng tr\u01b0\u1edbc b\u1ea3ng m\u1ea1ch t\u1ea1i v\u1ecb tr\u00ed c\u1ee5 th\u1ec3. Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ng\u1ecdn l\u1eeda tr\u1ef1c ti\u1ebfp.<\/p>\n\n\n\n

        Vi\u1ec7c l\u1eafp \u0111\u1eb7t v\u00e0 x\u1eed l\u00fd linh ki\u1ec7n<\/h3>\n\n\n\n

        \u0110\u1eb7t c\u00e1c linh ki\u1ec7n n\u1eb7ng (bi\u1ebfn \u00e1p, \u0111i\u1ec7n tr\u1edf c\u00f4ng su\u1ea5t cao) c\u00e1ch xa c\u00e1c m\u00e9p v\u00e0 g\u00f3c. S\u1eed d\u1ee5ng ch\u1ea5t l\u1ea5p \u0111\u1ea7y (under-fill) cho c\u00e1c g\u00f3i BGA c\u1ee1 l\u1edbn \u0111\u1ec3 b\u00f9 \u0111\u1eafp s\u1ef1 ch\u00eanh l\u1ec7ch h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t (CTE) gi\u1eefa b\u1ea3ng m\u1ea1ch g\u1ed1m v\u00e0 ch\u1ea5t n\u1ec1n h\u1eefu c\u01a1 c\u1ee7a chip. Trong qu\u00e1 tr\u00ecnh thao t\u00e1c th\u1ee7 c\u00f4ng, h\u00e3y s\u1eed d\u1ee5ng k\u1eb9p ch\u1ed1ng t\u0129nh \u0111i\u1ec7n (ESD) c\u00f3 \u0111\u1ea7u m\u1ec1m. C\u00e1c m\u00e9p g\u1ed1m r\u1ea5t s\u1eafc nh\u1ecdn; h\u00e3y \u0111eo g\u0103ng tay. C\u00e1c nh\u00e2n vi\u00ean v\u1eadn h\u00e0nh c\u1ee7a ch\u00fang t\u00f4i s\u1eed d\u1ee5ng k\u1eb9p h\u00fat ch\u00e2n kh\u00f4ng \u0111\u1ec3 di chuy\u1ec3n c\u00e1c t\u1ea5m b\u1ea3ng l\u1edbn.<\/p>\n\n\n\n

        Ki\u1ec3m so\u00e1t tr\u1edf kh\u00e1ng v\u00e0 \u0111\u01b0\u1eddng d\u1eabn t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn<\/h3>\n\n\n\n

        H\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i c\u1ee7a g\u1ed1m (9,4\u20139,8) kh\u00e1c v\u1edbi FR\u20114 (4,5). Lu\u00f4n t\u00ednh to\u00e1n l\u1ea1i k\u00edch th\u01b0\u1edbc \u0111\u01b0\u1eddng d\u1eabn b\u1eb1ng ph\u1ea7n m\u1ec1m gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh tr\u01b0\u1eddng th\u00edch h\u1ee3p, kh\u00f4ng d\u00f9ng m\u00e1y t\u00ednh FR\u20114 th\u00f4ng th\u01b0\u1eddng. \u0110\u1ed1i v\u1edbi d\u1ea3i vi s\u00f3ng 50 \u03a9 tr\u00ean g\u1ed1m alumina 96% d\u00e0y 0,635 mm, chi\u1ec1u r\u1ed9ng \u0111\u01b0\u1eddng d\u1eabn kho\u1ea3ng 0,6 mm. Ch\u00fang t\u00f4i cung c\u1ea5p d\u1eef li\u1ec7u x\u1ebfp l\u1edbp v\u00e0 th\u1eed nghi\u1ec7m tr\u1edf kh\u00e1ng ki\u1ec3m so\u00e1t cho c\u00e1c c\u1eb7p vi sai l\u00ean \u0111\u1ebfn 20 GHz.<\/p>\n\n\n\n

        PTH v\u00e0 Via Fill<\/h3>\n\n\n\n

        Ch\u00fang t\u00f4i l\u1ea5p \u0111\u1ea7y c\u00e1c l\u1ed7 vias b\u1eb1ng b\u1ed9t d\u1eabn \u0111i\u1ec7n trong qu\u00e1 tr\u00ecnh nung \u0111\u1ed3ng th\u1eddi. Trong c\u00f4ng ngh\u1ec7 m\u00e0ng d\u00e0y, c\u00e1c l\u1ed7 vias \u0111\u01b0\u1ee3c l\u1ea5p \u0111\u1ea7y b\u1eb1ng v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n ho\u1eb7c \u0111\u1ec3 tr\u1ed1ng. Vui l\u00f2ng ch\u1ec9 \u0111\u1ecbnh thi\u1ebft k\u1ebf via-in-pad n\u1ebfu qu\u00fd kh\u00e1ch c\u1ea7n c\u00e1c l\u1ed7 vias \u0111\u01b0\u1ee3c l\u1ea5p \u0111\u1ea7y v\u00e0 m\u1ea1 ph\u1ee7 b\u00ean ngo\u00e0i. Ch\u00fang t\u00f4i c\u00f3 th\u1ec3 l\u00e0m ph\u1eb3ng b\u1ec1 m\u1eb7t b\u1eb1ng quy tr\u00ecnh m\u00e0i cho c\u00e1c m\u1ea1ch BGA c\u00f3 kho\u1ea3ng c\u00e1ch ch\u00e2n nh\u1ecf.<\/p>\n\n\n\n

        \u1ee8ng d\u1ee5ng c\u1ee7a b\u1ea3ng m\u1ea1ch in g\u1ed1m<\/h2>\n\n\n\n

        M\u00f4-\u0111un b\u1ed9 nh\u1edb v\u00e0 k\u1ef9 thu\u1eadt s\u1ed1 t\u1ed1c \u0111\u1ed9 cao<\/h3>\n\n\n\n

        C\u00e1c m\u00f4-\u0111un b\u1ed9 nh\u1edb DDR t\u1ed1c \u0111\u1ed9 cao t\u1eadn d\u1ee5ng \u0111\u01b0\u1ee3c \u01b0u \u0111i\u1ec3m v\u1ec1 t\u1ed5n th\u1ea5t \u0111i\u1ec7n m\u00f4i th\u1ea5p v\u00e0 t\u00ednh \u1ed5n \u0111\u1ecbnh nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u g\u1ed1m. Kh\u00e1ch h\u00e0ng c\u1ee7a ch\u00fang t\u00f4i s\u1eed d\u1ee5ng b\u1ea3ng m\u1ea1ch LTCC \u0111\u1ec3 b\u1ed1 tr\u00ed c\u00e1c \u0111\u01b0\u1eddng truy\u1ec1n 64-bit v\u1edbi \u0111\u1ed9 l\u1ec7ch pha \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u. H\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i \u1ed5n \u0111\u1ecbnh gi\u00fap gi\u1ea3m nhi\u1ec5u gi\u1eefa c\u00e1c k\u00fd t\u1ef1.<\/p>\n\n\n\n

        M\u00f4-\u0111un thu\/ph\u00e1t (RF)<\/h3>\n\n\n\n

        C\u00e1c b\u1ed9 thu ph\u00e1t th\u00f4ng tin li\u00ean l\u1ea1c v\u1ec7 tinh \u0111\u00f2i h\u1ecfi ph\u1ea3i s\u1eed d\u1ee5ng c\u00e1c ch\u1ea5t n\u1ec1n c\u00f3 \u0111\u1ed9 suy hao th\u1ea5p. C\u00e1c t\u1ea5m n\u1ec1n alumina v\u00e0 AlN c\u00f3 l\u1ed7 xuy\u00ean laser 0,06 mm cho ph\u00e9p ch\u1ebf t\u1ea1o c\u00e1c \u0103ng-ten m\u1ea3ng pha c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn. \u0110\u1ed1i v\u1edbi m\u1ed9t b\u1ed9 khu\u1ebfch \u0111\u1ea1i c\u00f4ng su\u1ea5t v\u1ec7 tinh 50 W, t\u1ea5m n\u1ec1n AlN \u0111\u00e3 gi\u00fap duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec9nh d\u01b0\u1edbi 150\u00b0C. Thi\u1ebft k\u1ebf n\u00e0y ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh trong m\u00f4i tr\u01b0\u1eddng ch\u00e2n kh\u00f4ng m\u00e0 kh\u00f4ng c\u1ea7n l\u00e0m m\u00e1t b\u1eb1ng \u0111\u1ed1i l\u01b0u.<\/p>\n\n\n\n

        B\u1ea3ng m\u1ea1ch k\u1ebft n\u1ed1i nhi\u1ec1u l\u1edbp<\/h3>\n\n\n\n

        S\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 HTCC\/LTCC, ch\u00fang t\u00f4i t\u00edch h\u1ee3p t\u1ed1i \u0111a 30 linh ki\u1ec7n th\u1ee5 \u0111\u1ed9ng nh\u00fang v\u00e0o b\u00ean trong m\u1ed9t b\u1ea3ng m\u1ea1ch 6 l\u1edbp. \u0110i\u1ec1u n\u00e0y gi\u00fap thu g\u1ecdn m\u1ed9t c\u1ee5m 4 b\u1ea3ng m\u1ea1ch FR-4 th\u00e0nh m\u1ed9t m\u00f4-\u0111un g\u1ed1m duy nh\u1ea5t. M\u1ed9t kh\u00e1ch h\u00e0ng trong l\u0129nh v\u1ef1c h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 \u0111\u00e3 gi\u1ea3m \u0111\u01b0\u1ee3c 70% tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 t\u0103ng m\u1eadt \u0111\u1ed9 k\u1ebft n\u1ed1i l\u00ean g\u1ea5p 5 l\u1ea7n.<\/p>\n\n\n\n

        B\u1ea3ng m\u1ea1ch in t\u00edn hi\u1ec7u h\u1ed7n h\u1ee3p analog\/digital<\/h3>\n\n\n\n

        \u0110i\u1ec7n dung k\u00fd sinh l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u01b0\u01a1ng t\u1ef1-s\u1ed1 (ADC). Nh\u1edd s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 LTCC, ch\u00fang t\u00f4i \u0111\u00e3 gi\u1ea3m \u0111i\u1ec7n dung k\u00fd sinh gi\u1eefa c\u00e1c ph\u1ea7n t\u01b0\u01a1ng t\u1ef1 v\u00e0 s\u1ed1 xu\u1ed1ng kho\u1ea3ng 90% so v\u1edbi m\u1ea1ch t\u01b0\u01a1ng t\u1ef1 tr\u00ean v\u1eadt li\u1ec7u FR-4. M\u1ee9c nhi\u1ec5u n\u1ec1n c\u1ee7a b\u1ea3ng m\u1ea1ch \u0111\u00e3 gi\u1ea3m 12 dB.<\/p>\n\n\n\n

        H\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 \u0111i\u1ec7n t\u1eed h\u00e0ng kh\u00f4ng<\/h3>\n\n\n\n

        H\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n t\u00ean l\u1eeda ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng 300\u00b0C. C\u00e1c bo m\u1ea1ch HTCC c\u1ee7a ch\u00fang t\u00f4i c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c h\u00e0ng ngh\u00ecn chu k\u1ef3 va \u0111\u1eadp v\u00e0 rung \u0111\u1ed9ng. Kh\u00f4ng c\u1ea7n ph\u1ee7 l\u1edbp b\u1ea3o v\u1ec7 v\u00ec g\u1ed1m l\u00e0 v\u1eadt li\u1ec7u tr\u01a1.<\/p>\n\n\n\n

        \u0110i\u1ec7n t\u1eed c\u00f4ng su\u1ea5t trong ng\u00e0nh \u00f4 t\u00f4 v\u00e0 xe \u0111i\u1ec7n<\/h3>\n\n\n\n

        M\u1ed9t tr\u1ea1m s\u1ea1c xe \u0111i\u1ec7n s\u1eed d\u1ee5ng bo m\u1ea1ch AlN DCB \u0111\u1ec3 x\u1eed l\u00fd d\u00f2ng \u0111i\u1ec7n li\u00ean t\u1ee5c 200 A. M\u1ee9c t\u0103ng nhi\u1ec7t \u0111\u1ed9 duy tr\u00ec d\u01b0\u1edbi 20\u00b0C. Bo m\u1ea1ch n\u00e0y \u0111\u00e3 \u0111\u1ea1t ch\u1ee9ng nh\u1eadn IATF 16949.<\/p>\n\n\n\n

        H\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng LED c\u00f4ng su\u1ea5t cao<\/h3>\n\n\n\n

        M\u1ed9t \u0111\u00e8n LED 10 W tr\u00ean b\u1ea3ng m\u1ea1ch nh\u00f4m oxit m\u00e0ng d\u00e0y c\u1ee7a ch\u00fang t\u00f4i c\u00f3 nhi\u1ec7t \u0111\u1ed9 \u0111i\u1ec3m n\u1ed1i l\u00e0 105\u00b0C, th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi gi\u1edbi h\u1ea1n 120\u00b0C. C\u00f9ng lo\u1ea1i \u0111\u00e8n LED n\u00e0y khi \u0111\u01b0\u1ee3c g\u1eafn tr\u00ean b\u1ea3ng m\u1ea1ch MCPCB l\u1ea1i \u0111\u1ea1t t\u1edbi 130\u00b0C. Ph\u01b0\u01a1ng ph\u00e1p h\u00e0n tr\u1ef1c ti\u1ebfp n\u00e0y gi\u00fap c\u1ea3i thi\u1ec7n c\u00f4ng su\u1ea5t ph\u00e1t s\u00e1ng v\u00e0 tu\u1ed5i th\u1ecd.<\/p>\n\n\n\n

        Mua s\u1eafm PCB g\u1ed1m: Chi ph\u00ed, th\u1eddi gian giao h\u00e0ng v\u00e0 s\u1ed1 l\u01b0\u1ee3ng \u0111\u1eb7t h\u00e0ng t\u1ed1i thi\u1ec3u<\/h2>\n\n\n\n

        Nh\u1eefng con s\u1ed1 th\u1ef1c t\u1ebf s\u1ebd gi\u00fap b\u1ea1n l\u1eadp k\u1ebf ho\u1ea1ch ng\u00e2n s\u00e1ch v\u00e0 ti\u1ebfn \u0111\u1ed9 cho d\u1ef1 \u00e1n.<\/p>\n\n\n\n

        Ph\u00e2n t\u00edch chi ph\u00ed b\u1ea3ng m\u1ea1ch in g\u1ed1m<\/h3>\n\n\n\n
          \n
        • B\u1ea3ng m\u1ea1ch 2 l\u1edbp 96% b\u1eb1ng nh\u00f4m oxit, d\u00e2y d\u1eabn b\u1ea1c m\u00e0ng d\u00e0y, k\u00edch th\u01b0\u1edbc 100\u00d780 mm, b\u1ec1 m\u1eb7t m\u1ea1 ENIG: $8\u201112\/chi\u1ebfc (\u0111\u01a1n gi\u00e1 cho l\u00f4 100 chi\u1ebfc).<\/li>\n\n\n\n
        • Alumina 2 l\u1edbp 96%, \u0111\u1ed3ng m\u00e0ng d\u00e0y: $10\u201315\/chi\u1ebfc.<\/li>\n\n\n\n
        • D\u00e2y d\u1eabn v\u00e0ng LTCC 4 l\u1edbp, c\u00f9ng k\u00edch th\u01b0\u1edbc: $25-40\/chi\u1ebfc (do c\u00f3 nhi\u1ec1u c\u00f4ng \u0111o\u1ea1n s\u1ea3n xu\u1ea5t h\u01a1n).<\/li>\n\n\n\n
        • B\u1ea3ng m\u1ea1ch DPC AlN 1 l\u1edbp cho \u0111\u00e8n LED: $1\u20132 tr\u00ean m\u1ed7i cm\u00b2. C\u00e1c m\u1ee9c gi\u00e1 n\u00e0y ch\u01b0a bao g\u1ed3m chi ph\u00ed khu\u00f4n m\u1eabu. Chi ph\u00ed khu\u00f4n m\u1eabu (khu\u00f4n in l\u01b0\u1edbi, khu\u00f4n quang) th\u01b0\u1eddng dao \u0111\u1ed9ng t\u1eeb $500\u20131.000, v\u00e0 ch\u00fang t\u00f4i ph\u00e2n b\u1ed5 chi ph\u00ed n\u00e0y theo kh\u1ed1i l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t.<\/li>\n<\/ul>\n\n\n\n

          S\u1ed1 l\u01b0\u1ee3ng \u0111\u1eb7t h\u00e0ng t\u1ed1i thi\u1ec3u (MOQ)<\/h3>\n\n\n\n

          \u0110\u1ed1i v\u1edbi quy tr\u00ecnh m\u00e0ng d\u00e0y ti\u00eau chu\u1ea9n, ch\u00fang t\u00f4i nh\u1eadn \u0111\u01a1n h\u00e0ng v\u1edbi s\u1ed1 l\u01b0\u1ee3ng t\u1ed1i thi\u1ec3u ch\u1ec9 t\u1eeb 10 chi\u1ebfc. \u0110\u1ed1i v\u1edbi LTCC v\u00e0 HTCC, s\u1ed1 l\u01b0\u1ee3ng \u0111\u1eb7t h\u00e0ng t\u1ed1i thi\u1ec3u (MOQ) l\u00e0 50 chi\u1ebfc do k\u00edch th\u01b0\u1edbc l\u00f4 nung chung c\u1ed1 \u0111\u1ecbnh. Ch\u00fang t\u00f4i c\u0169ng cung c\u1ea5p d\u1ecbch v\u1ee5 s\u1ea3n xu\u1ea5t m\u1eabu th\u1eed v\u1edbi th\u1eddi gian giao h\u00e0ng ng\u1eafn h\u01a1n.<\/p>\n\n\n\n

          Th\u1eddi gian giao h\u00e0ng<\/h3>\n\n\n\n
            \n
          • M\u1eabu th\u1eed nghi\u1ec7m m\u00e0ng d\u00e0y 2 l\u1edbp: 10\u201312 ng\u00e0y l\u00e0m vi\u1ec7c (bao g\u1ed3m c\u1ea3 gia c\u00f4ng c\u1eaft b\u1eb1ng laser)<\/li>\n\n\n\n
          • M\u1eabu th\u1eed nghi\u1ec7m LTCC 4 l\u1edbp: 18\u201320 ng\u00e0y l\u00e0m vi\u1ec7c<\/li>\n\n\n\n
          • Th\u1eddi gian s\u1ea3n xu\u1ea5t: 15\u201325 ng\u00e0y t\u00f9y theo s\u1ed1 l\u01b0\u1ee3ng<\/li>\n\n\n\n
          • D\u1ecbch v\u1ee5 giao h\u00e0ng nhanh: C\u00f3 th\u1ec3 ho\u00e0n th\u00e0nh trong 5\u20137 ng\u00e0y \u0111\u1ed1i v\u1edbi m\u00e0ng d\u00e0y khi s\u1eed d\u1ee5ng c\u00e1c k\u00edch th\u01b0\u1edbc ph\u00f4i c\u00f3 s\u1eb5n trong kho.<\/li>\n<\/ul>\n\n\n\n

            Ch\u00fang t\u00f4i s\u1ebd g\u1eedi b\u00e1o gi\u00e1 nhanh ch\u00f3ng trong v\u00f2ng 24 gi\u1edd sau khi nh\u1eadn \u0111\u01b0\u1ee3c c\u00e1c t\u1ec7p Gerber v\u00e0 b\u1ea3n v\u1ebd x\u1ebfp l\u1edbp c\u1ee7a qu\u00fd kh\u00e1ch.<\/p>\n\n\n\n

            Ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 tin c\u1eady \u0111\u1ed1i v\u1edbi b\u1ea3ng m\u1ea1ch in g\u1ed1m<\/h2>\n\n\n\n

            \u0110\u1eebng cho r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c bo m\u1ea1ch g\u1ed1m \u0111\u1ec1u \u201cc\u00f3 \u0111\u1ed9 tin c\u1eady cao\u201d. Ch\u1ee9ng nh\u1eadn l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng.<\/p>\n\n\n\n

            Ch\u1ee9ng nh\u1eadn IPC-6012 Lo\u1ea1i 3<\/h3>\n\n\n\n

            Ch\u00fang t\u00f4i s\u1ea3n xu\u1ea5t b\u1ea3ng m\u1ea1ch in g\u1ed1m (PCB) theo ti\u00eau chu\u1ea9n IPC-6012 Lo\u1ea1i 3 d\u00e0nh cho c\u00e1c \u1ee9ng d\u1ee5ng quan tr\u1ecdng. Lo\u1ea1i 3 y\u00eau c\u1ea7u ki\u1ec3m tra 100% \u0111\u1ed1i v\u1edbi m\u1eb7t c\u1eaft ngang c\u1ee7a c\u00e1c l\u1ed7 via sau khi ch\u1ecbu s\u1ed1c nhi\u1ec7t. Nh\u00e0 m\u00e1y c\u1ee7a ch\u00fang t\u00f4i th\u1ef1c hi\u1ec7n 6 l\u1ea7n th\u1eed nghi\u1ec7m s\u1ed1c nhi\u1ec7t t\u1eeb \u221265\u00b0C \u0111\u1ebfn +150\u00b0C v\u00e0 sau \u0111\u00f3 c\u1eaft vi m\u1ea1ch th\u00e0nh c\u00e1c ph\u1ea7n nh\u1ecf. Ch\u00fang t\u00f4i kh\u00f4ng ch\u1ea5p nh\u1eadn b\u1ea5t k\u1ef3 v\u1ebft n\u1ee9t ho\u1eb7c s\u1ef1 t\u00e1ch l\u1edbp b\u00ean trong n\u00e0o. V\u00f2ng tr\u00f2n tr\u00ean c\u00e1c pad b\u00ean ngo\u00e0i ph\u1ea3i c\u00f3 \u0111\u01b0\u1eddng k\u00ednh t\u1ed1i thi\u1ec3u 0,050 mm.<\/p>\n\n\n\n

            C\u00e1c x\u00e9t nghi\u1ec7m b\u1ed5 sung m\u00e0 ch\u00fang t\u00f4i th\u1ef1c hi\u1ec7n<\/h3>\n\n\n\n
              \n
            • H\u00e0n \u1edf nhi\u1ec7t \u0111\u1ed9 288\u00b0C trong 10 gi\u00e2y: kh\u00f4ng b\u1ecb bong tr\u00f3c, kh\u00f4ng b\u1ecb ph\u1ed3ng r\u1ed9p.<\/li>\n\n\n\n
            • \u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u1ed1i h\u00e0n d\u00e2y >5 gf \u0111\u1ed1i v\u1edbi c\u00e1c \u0111i\u1ec3m h\u00e0n d\u00e2y.<\/li>\n\n\n\n
            • H\u00e0m l\u01b0\u1ee3ng ion <1,5 \u00b5g\/cm\u00b2 (t\u00ednh theo NaCl).<\/li>\n\n\n\n
            • \u0110i\u1ec7n \u00e1p ch\u1ecbu \u0111\u1ef1ng \u0111i\u1ec7n m\u00f4i 500 V DC \u0111\u1ed1i v\u1edbi m\u00e0ng d\u00e0y, 1.500 V \u0111\u1ed1i v\u1edbi m\u00e0ng nung chung.<\/li>\n<\/ul>\n\n\n\n

              Nh\u00e0 m\u00e1y c\u1ee7a ch\u00fang t\u00f4i \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea5p ch\u1ee9ng nh\u1eadn ISO 9001 v\u00e0 IATF 16949. Ch\u00fang t\u00f4i tu\u00e2n th\u1ee7 c\u00e1c ch\u1ec9 th\u1ecb RoHS v\u00e0 REACH. Ch\u00fang t\u00f4i s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra b\u1eb1ng tia X cho m\u1ecdi b\u1ea3ng m\u1ea1ch LTCC nhi\u1ec1u l\u1edbp \u0111\u1ec3 x\u00e1c minh \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a c\u00e1c l\u1ed7 via.<\/p>\n\n\n\n

              Nh\u1eefng th\u00e1ch th\u1ee9c v\u00e0 v\u1ea5n \u0111\u1ec1 c\u1ea7n l\u01b0u \u00fd<\/h2>\n\n\n\n

              G\u1ed1m s\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 thay th\u1ebf m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n. N\u00f3 \u0111\u00f2i h\u1ecfi m\u1ed9t thi\u1ebft k\u1ebf \u0111\u01b0\u1ee3c c\u00e2n nh\u1eafc k\u1ef9 l\u01b0\u1ee1ng.<\/p>\n\n\n\n

                \n
              • \u0110\u1ed9 gi\u00f2n:<\/strong>\u00a0G\u1ed1m s\u1ee9 c\u00f3 th\u1ec3 b\u1ecb n\u1ee9t v\u1ee1 khi ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u01a1 h\u1ecdc. Tr\u00e1nh l\u1eafp \u0111\u1eb7t theo ki\u1ec3u \u0111\u00f2n b\u1ea9y. N\u00ean s\u1eed d\u1ee5ng gi\u00e1 \u0111\u1ee1 ho\u1eb7c d\u00e1n to\u00e0n b\u1ed9 b\u1ea3ng m\u1ea1ch v\u00e0o m\u1ed9t khung kim lo\u1ea1i.<\/li>\n\n\n\n
              • K\u00edch th\u01b0\u1edbc b\u1ea3ng gi\u1edbi h\u1ea1n:<\/strong>\u00a0K\u00edch th\u01b0\u1edbc t\u1ed1i \u0111a c\u1ee7a m\u1ed9t t\u1ea5m \u0111\u01a1n l\u00e0 kho\u1ea3ng 200\u00d7200 mm do hi\u1ec7n t\u01b0\u1ee3ng cong v\u00eanh trong qu\u00e1 tr\u00ecnh nung chung. C\u00e1c c\u1ee5m c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn h\u01a1n ph\u1ea3i s\u1eed d\u1ee5ng thi\u1ebft k\u1ebf m\u00f4-\u0111un.<\/li>\n\n\n\n
              • Th\u1eddi gian s\u1ea3n xu\u1ea5t \u0111\u1ed1i v\u1edbi v\u1eadt li\u1ec7u \u0111\u1eb7t h\u00e0ng ri\u00eang:<\/strong>\u00a0Th\u1eddi gian giao h\u00e0ng c\u1ee7a c\u00e1c t\u1ea5m ph\u00f4i oxit berili v\u00e0 AlN t\u1eeb nh\u00e0 s\u1ea3n xu\u1ea5t ch\u1ea5t n\u1ec1n \u0111\u00f4i khi k\u00e9o d\u00e0i t\u1eeb 4 \u0111\u1ebfn 6 tu\u1ea7n. H\u00e3y l\u00ean k\u1ebf ho\u1ea1ch s\u1edbm.<\/li>\n\n\n\n
              • Quy tr\u00ecnh h\u00e0n:<\/strong>\u00a0N\u1ebfu kh\u00f4ng l\u00e0m n\u00f3ng tr\u01b0\u1edbc, s\u1ed1c nhi\u1ec7t c\u00f3 th\u1ec3 l\u00e0m n\u1ee9t b\u1ea3ng m\u1ea1ch. Lu\u00f4n l\u00e0m n\u00f3ng tr\u01b0\u1edbc \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 c\u00e1ch \u0111i\u1ec3m n\u00f3ng ch\u1ea3y c\u1ee7a h\u00e0n ch\u00ec kh\u00f4ng qu\u00e1 100\u00b0C.<\/li>\n\n\n\n
              • Gi\u00e1:<\/strong>\u00a0\u0110\u1ed1i v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m ti\u00eau d\u00f9ng \u0111\u1ea1i tr\u00e0, vi\u1ec7c s\u1eed d\u1ee5ng g\u1ed1m s\u1ee9 c\u00f3 th\u1ec3 l\u00e0 kh\u00f4ng c\u1ea7n thi\u1ebft. Ch\u1ec9 n\u00ean s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u n\u00e0y khi nh\u1eefng l\u1ee3i \u00edch v\u1ec1 hi\u1ec7u su\u1ea5t nhi\u1ec7t ho\u1eb7c t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn mang l\u1ea1i gi\u00e1 tr\u1ecb t\u01b0\u01a1ng x\u1ee9ng.<\/li>\n<\/ul>\n\n\n\n

                C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n

                C\u00f3 th\u1ec3 h\u00e0n l\u00ean b\u1ea3ng m\u1ea1ch in g\u1ed1m kh\u00f4ng?<\/h3>\n\n\n\n

                \u0110\u00fang v\u1eady. Ch\u1ea5t h\u00e0n b\u00e1m d\u00ednh t\u1ed1t tr\u00ean c\u00e1c b\u1ec1 m\u1eb7t m\u1ea1 nh\u01b0 ENIG, b\u1ea1c-palladium ho\u1eb7c \u0111\u1ed3ng m\u00e0ng d\u00e0y. N\u00ean s\u1eed d\u1ee5ng ch\u1ea5t tr\u1ee3 h\u00e0n g\u1ed1c nh\u1ef1a th\u00f4ng v\u00e0 th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh l\u00e0m n\u00f3ng tr\u01b0\u1edbc c\u00f3 ki\u1ec3m so\u00e1t \u0111\u1ec3 tr\u00e1nh s\u1ed1c nhi\u1ec7t. \u0110\u1ed1i v\u1edbi LTCC d\u00f9ng b\u1ed9t v\u00e0ng, ch\u00fang t\u00f4i m\u1ea1 l\u1edbp ENIG l\u00ean c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t h\u00e0n b\u00e1m \u0111\u1ec1u.<\/p>\n\n\n\n

                H\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i c\u1ee7a b\u1ea3ng m\u1ea1ch in g\u1ed1m l\u00e0 bao nhi\u00eau?<\/h3>\n\n\n\n

                Alumina 96% c\u00f3 h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i t\u1eeb 9,4 \u0111\u1ebfn 9,8, AlN kho\u1ea3ng 8,8, c\u00f2n BeO l\u00e0 6,7. Trong thi\u1ebft k\u1ebf t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn (RF), gi\u00e1 tr\u1ecb cao h\u01a1n n\u00e0y cho ph\u00e9p s\u1eed d\u1ee5ng c\u00e1c \u0111\u01b0\u1eddng d\u1eabn h\u1eb9p h\u01a1n v\u1edbi c\u00f9ng m\u1ed9t tr\u1edf kh\u00e1ng so v\u1edbi FR-4.<\/p>\n\n\n\n

                Nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a cho b\u1ea3ng m\u1ea1ch in g\u1ed1m l\u00e0 bao nhi\u00eau?<\/h3>\n\n\n\n

                C\u00e1c t\u1ea5m alumina v\u00e0 AlN c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c \u1edf nhi\u1ec7t \u0111\u1ed9 350\u00b0C. C\u00e1c t\u1ea5m SiC c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 tr\u00ean 800\u00b0C. Gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9 th\u01b0\u1eddng ph\u1ee5 thu\u1ed9c v\u00e0o h\u1ed7n h\u1ee3p kim lo\u1ea1i (v\u00e0ng kh\u00f4ng n\u00f3ng ch\u1ea3y, nh\u01b0ng b\u1ea1c c\u00f3 th\u1ec3 di chuy\u1ec3n \u1edf nhi\u1ec7t \u0111\u1ed9 cao khi c\u00f3 \u0111i\u1ec7n \u00e1p m\u1ed9t chi\u1ec1u) v\u00e0 c\u00e1c linh ki\u1ec7n \u0111\u01b0\u1ee3c l\u1eafp r\u00e1p.<\/p>\n\n\n\n

                L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 c\u1eaft b\u1ea3ng m\u1ea1ch in b\u1eb1ng g\u1ed1m?<\/h3>\n\n\n\n

                Ch\u00fang t\u00f4i s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p kh\u1eafc laser ho\u1eb7c c\u1eaft b\u1eb1ng c\u01b0a kim c\u01b0\u01a1ng. N\u1ebfu th\u1ef1c hi\u1ec7n th\u1ee7 c\u00f4ng, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o v\u1ebft r\u1ea1ch v\u00e0 b\u1ebb g\u00e3y theo \u0111\u01b0\u1eddng th\u1eb3ng, nh\u01b0ng c\u00e1c m\u00e9p s\u1ebd kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1eb5n. \u0110\u1ed1i v\u1edbi c\u00e1c m\u1eabu th\u1eed, h\u00e3y \u0111\u1eb7t h\u00e0ng c\u00e1c b\u1ea3ng m\u1ea1ch \u0111\u00e3 \u0111\u01b0\u1ee3c gia c\u00f4ng \u0111\u01b0\u1eddng vi\u1ec1n ho\u00e0n thi\u1ec7n t\u1ea1i nh\u00e0 m\u00e1y.<\/p>\n\n\n\n

                B\u1ea3ng m\u1ea1ch in g\u1ed1m d\u00e0y bao nhi\u00eau?<\/h3>\n\n\n\n

                C\u00e1c \u0111\u1ed9 d\u00e0y ti\u00eau chu\u1ea9n c\u1ee7a v\u1eadt li\u1ec7u n\u1ec1n l\u00e0 0,25 mm, 0,38 mm, 0,5 mm, 0,635 mm v\u00e0 1,0 mm. C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u n\u1ec1n d\u00e0y h\u01a1n, l\u00ean \u0111\u1ebfn 2,0 mm, \u0111\u1ec3 c\u00e1ch ly \u0111i\u1ec7n \u00e1p cao.<\/p>\n\n\n\n

                Gi\u00e1 c\u1ee7a m\u1ed9t b\u1ea3ng m\u1ea1ch in g\u1ed1m so v\u1edbi FR-4 l\u00e0 bao nhi\u00eau?<\/h3>\n\n\n\n

                Gi\u00e1 th\u00e0nh tr\u00ean m\u1ed7i \u0111\u01a1n v\u1ecb di\u1ec7n t\u00edch c\u1ee7a t\u1ea5m g\u1ed1m cao g\u1ea5p 5\u201330 l\u1ea7n so v\u1edbi FR-4, nh\u01b0ng chi ph\u00ed \u1edf c\u1ea5p h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 th\u1ea5p h\u01a1n khi lo\u1ea1i b\u1ecf c\u00e1c thi\u1ebft b\u1ecb qu\u1ea3n l\u00fd nhi\u1ec7t v\u00e0 n\u00e2ng cao \u0111\u1ed9 tin c\u1eady.<\/p>\n\n\n\n

                B\u1ea3ng m\u1ea1ch in g\u1ed1m c\u00f3 th\u1ec3 c\u00f3 h\u01a1n 2 l\u1edbp kh\u00f4ng?<\/h3>\n\n\n\n

                \u0110\u00fang v\u1eady. HTCC v\u00e0 LTCC d\u1ec5 d\u00e0ng h\u1ed7 tr\u1ee3 t\u1eeb 4 \u0111\u1ebfn 10 l\u1edbp. Ch\u00fang t\u00f4i t\u00edch h\u1ee3p c\u00e1c linh ki\u1ec7n th\u1ee5 \u0111\u1ed9ng b\u00ean trong, gi\u00fap t\u0103ng m\u1eadt \u0111\u1ed9 ch\u1ee9c n\u0103ng.<\/p>\n\n\n\n

                Nh\u1eefng \u0111i\u1ec3m ch\u00ednh<\/h2>\n\n\n\n
                  \n
                • C\u00e1c ch\u1ea5t n\u1ec1n PCB g\u1ed1m (nh\u01b0 alumina, AlN, v.v.) d\u1eabn nhi\u1ec7t nhanh h\u01a1n FR-4 g\u1ea5p 100 l\u1ea7n.<\/li>\n\n\n\n
                • H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t (CTE) th\u1ea5p t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c v\u1ecf b\u1ecdc b\u1eb1ng silicon v\u00e0 g\u1ed1m, gi\u00fap ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng m\u1ecfi h\u00e0n.<\/li>\n\n\n\n
                • Ch\u1ecdn quy tr\u00ecnh s\u1ea3n xu\u1ea5t ph\u00f9 h\u1ee3p: c\u00f4ng ngh\u1ec7 m\u00e0ng d\u00e0y (thick film) \u0111\u1ec3 ti\u1ebft ki\u1ec7m chi ph\u00ed, LTCC cho \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u00e0 \u1ee9ng d\u1ee5ng t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn (RF), HTCC cho c\u00e1c m\u1ea1ch \u0111a l\u1edbp ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 c\u1ef1c cao.<\/li>\n\n\n\n
                • \u00c1p d\u1ee5ng c\u00e1c quy t\u1eafc DFM: gi\u1eef kho\u1ea3ng c\u00e1ch 2 mm gi\u1eefa c\u00e1c l\u1ed7 vias v\u00e0 m\u00e9p, s\u1eed d\u1ee5ng h\u00ecnh gi\u1ecdt n\u01b0\u1edbc, l\u00e0m n\u00f3ng tr\u01b0\u1edbc khi h\u00e0n.<\/li>\n\n\n\n
                • H\u00e3y t\u00ednh \u0111\u1ebfn t\u1ed5ng chi ph\u00ed, kh\u00f4ng ch\u1ec9 gi\u00e1 th\u00e0nh bo m\u1ea1ch; v\u1eadt li\u1ec7u g\u1ed1m gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed cho h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t v\u00e0 gi\u1ea3m thi\u1ec3u s\u1ef1 c\u1ed1 trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh.<\/li>\n\n\n\n
                • H\u1ee3p t\u00e1c v\u1edbi m\u1ed9t nh\u00e0 m\u00e1y c\u00f3 ch\u1ee9ng nh\u1eadn IPC-6012 Lo\u1ea1i 3 v\u00e0 th\u1eddi gian giao h\u00e0ng h\u1ee3p l\u00fd.<\/li>\n<\/ul>\n\n\n\n

                  \u0110\u1ed9i ng\u0169 c\u1ee7a ch\u00fang t\u00f4i c\u00f3 h\u01a1n 15 n\u0103m kinh nghi\u1ec7m trong l\u0129nh v\u1ef1c s\u1ea3n xu\u1ea5t b\u1ea3ng m\u1ea1ch in g\u1ed1m (PCB). Ch\u00fang t\u00f4i h\u1ed7 tr\u1ee3 qu\u00fd kh\u00e1ch t\u1eeb kh\u00e2u l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u cho \u0111\u1ebfn ki\u1ec3m tra m\u1eabu \u0111\u1ea7u ti\u00ean. H\u00e3y g\u1eedi c\u00e1c t\u1ec7p thi\u1ebft k\u1ebf ho\u1eb7c y\u00eau c\u1ea7u c\u1ee7a qu\u00fd kh\u00e1ch \u0111\u1ebfn c\u00e1c k\u1ef9 s\u01b0 c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 thi\u1ebft k\u1ebf mi\u1ec5n ph\u00ed v\u00e0 b\u00e1o gi\u00e1 chi ph\u00ed. Ch\u00fang t\u00f4i cung c\u1ea5p c\u00e1c b\u1ea3ng m\u1ea1ch g\u1ed1m \u0111\u00e1ng tin c\u1eady, ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 ngay c\u1ea3 trong nh\u1eefng \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t nh\u1ea5t.<\/p>","protected":false},"excerpt":{"rendered":"

                  What Is a Ceramic PCB? A ceramic PCB uses an inorganic ceramic substrate instead of traditional FR\u20114 fiberglass.\u00a0Common substrate materials […]<\/p>","protected":false},"author":1,"featured_media":4984,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36,30],"tags":[118,345,27,37,29],"class_list":["post-4981","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pcb-design","category-pcb-manufacturers","tag-ceramic-pcb","tag-fr-4-pcb","tag-pcb-assembly","tag-pcb-design","tag-pcb-manufacturers"],"spectra_custom_meta":{"_edit_lock":["1779960816:1"],"rank_math_internal_links_processed":["1"],"rank_math_primary_category":["36"],"rank_math_seo_score":["90"],"rank_math_title":["Ceramic PCB: Complete Guide to Design & Manufacturing"],"rank_math_description":["Discover ceramic PCB manufacturing and DFM rules. Learn how AlN and alumina boards solve thermal and high-frequency challenges. 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