![\"cnc\"](\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/cnc.webp\")
<\/figure>\n\n\n\nC\u00f4ng ngh\u1ec7 gia c\u00f4ng CNC l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn trong s\u1ea3n xu\u1ea5t linh ho\u1ea1t. C\u1eaft laser v\u00e0 c\u1eaft b\u1eb1ng tia n\u01b0\u1edbc c\u0169ng l\u00e0 c\u00e1c l\u1ef1a ch\u1ecdn kh\u00e1c. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 chu\u1ea9n b\u1ecb ho\u1eb7c c\u1eaft tr\u01b0\u1edbc v\u1eadt li\u1ec7u gia c\u1ed1. \u0110\u1ed1i v\u1edbi c\u00e1c t\u1ea5m c\u00f3 ch\u00eanh l\u1ec7ch chi\u1ec1u cao, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u1eaft kh\u00f4ng c\u1ea7n \u00e9p nh\u01b0 laser ho\u1eb7c tia n\u01b0\u1edbc c\u00f3 th\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a quy tr\u00ecnh. Ch\u00fang c\u0169ng gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00ec kh\u00f4ng c\u1ea7n s\u1eed d\u1ee5ng khu\u00f4n d\u1eadp.<\/p>\n\n\n\n
2. Gia c\u00f4ng c\u01a1 kh\u00ed c\u00e1c thanh gia c\u1ed1 (\u00c9p d\u1eadp \/ C\u1eaft khu\u00f4n)<\/h2>\n\n\n\n2.1 \u00c9p khu\u00f4n \/ C\u1eaft khu\u00f4n<\/h3>\n\n\n\n
N\u1ebfu qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t t\u1ea5m gia c\u1ed1 s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 d\u1eadp l\u01b0\u1edbi ho\u1eb7c c\u1eaft khu\u00f4n, c\u1ea7n s\u1eed d\u1ee5ng c\u00e1c khu\u00f4n d\u1eadp chuy\u00ean d\u1ee5ng. Sau khi d\u1eadp lo\u1ea1i b\u1ecf v\u1eadt li\u1ec7u c\u1ee9ng xung quanh c\u00e1c b\u1ed9 ph\u1eadn, t\u1ea5m c\u00f2n l\u1ea1i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ea9y tr\u1edf l\u1ea1i v\u1ecb tr\u00ed ban \u0111\u1ea7u. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho c\u00e1c t\u1ea5m c\u1ee9ng gi\u00e1 r\u1ebb v\u00e0 cho vi\u1ec7c l\u1eafp r\u00e1p s\u1ed1 l\u01b0\u1ee3ng l\u1edbn s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb c\u1ed1 \u0111\u1ecbnh \u0111\u01a1n gi\u1ea3n.<\/p>\n\n\n\n
2.2 C\u1eaft \u0111i\u1ec3m ho\u1eb7c C\u1eaft m\u1ed9t ph\u1ea7n<\/h3>\n\n\n\n
N\u1ebfu \u0111\u01b0\u1eddng vi\u1ec1n linh ho\u1ea1t cho ph\u00e9p, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 c\u1eaft ho\u1eb7c c\u1eaft m\u1ed9t ph\u1ea7n. Vi\u1ec7c c\u1eaft th\u01b0\u1eddng ch\u1ec9 c\u1eaft m\u1ed9t ph\u1ea7n qua l\u1edbp linh ho\u1ea1t ho\u1eb7c l\u1edbp gia c\u1ed1. C\u00e1c c\u00f4ng c\u1ee5 \u0111\u1eb7c bi\u1ec7t \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e2u c\u1eaft. Sau khi c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t v\u00e0 qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p ho\u00e0n t\u1ea5t, b\u1ea3ng m\u1ea1ch c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1ch ra theo \u0111\u01b0\u1eddng c\u1eaft.<\/p>\n\n\n\n
So v\u1edbi ph\u01b0\u01a1ng ph\u00e1p gia c\u00f4ng theo \u0111\u01b0\u1eddng vi\u1ec1n, h\u1ea7u h\u1ebft c\u00e1c k\u1ef9 thu\u1eadt c\u1eaft kh\u00e1c \u0111\u1ec1u ph\u1ea3i c\u1eaft xuy\u00ean su\u1ed1t v\u1eadt li\u1ec7u. Do \u0111\u1eb7c t\u00ednh c\u1ee7a dao c\u1eaft c\u01a1 kh\u00ed, h\u00ecnh d\u1ea1ng c\u1eaft th\u01b0\u1eddng l\u00e0 c\u00e1c \u0111\u01b0\u1eddng th\u1eb3ng.<\/p>\n\n\n\n
3. Keo d\u00e1n cho vi\u1ec7c k\u1ebft d\u00ednh c\u00e1c thanh gia c\u1ed1<\/h2>\n\n\n\n
Keo d\u00f9ng \u0111\u1ec3 d\u00e1n c\u00e1c b\u1ed9 ph\u1eadn gia c\u1ed1 v\u00e0o c\u00e1c v\u1eadt li\u1ec7u linh ho\u1ea1t \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn d\u1ef1a tr\u00ean ch\u1ee9c n\u0103ng y\u00eau c\u1ea7u. Ngo\u00e0i c\u00e1c lo\u1ea1i keo ti\u00eau chu\u1ea9n cho v\u1eadt li\u1ec7u linh ho\u1ea1t, c\u00f2n c\u00f3 c\u00e1c lo\u1ea1i keo kh\u00e1c. C\u00e1c lo\u1ea1i keo gia c\u1ed1 ph\u1ed5 bi\u1ebfn v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a ch\u00fang:<\/p>\n\n\n\n
3.1 Keo d\u00ednh nh\u1ea1y \u00e1p (PSA)<\/h3>\n\n\n\n
PSA \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i cho c\u00e1c v\u1eadt li\u1ec7u gia c\u1ed1. N\u00f3 c\u00f3 t\u00ednh linh ho\u1ea1t v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng. PSA cung c\u1ea5p \u0111\u1ed9 b\u00e1m d\u00ednh t\u1ed1t v\u00e0 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p. H\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i PSA kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 s\u1eed d\u1ee5ng l\u00e2u d\u00e0i \u1edf nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u01b0\u1eddng ch\u1ec9 ch\u1ecbu \u0111\u01b0\u1ee3c ti\u1ebfp x\u00fac ng\u1eafn h\u1ea1n v\u1edbi nhi\u1ec7t \u0111\u1ed9 cao. V\u1edbi h\u00e0n kh\u00f4ng ch\u00ec (nhi\u1ec7t \u0111\u1ed9 t\u00e1i ch\u1ea3y cao h\u01a1n), h\u00e3y ki\u1ec3m tra xem PSA c\u00f3 ho\u1ea1t \u0111\u1ed9ng trong quy tr\u00ecnh y\u00eau c\u1ea7u hay kh\u00f4ng. M\u1ed9t \u01b0u \u0111i\u1ec3m \u0111\u1eb7c bi\u1ec7t c\u1ee7a PSA l\u00e0 n\u00f3 cho ph\u00e9p v\u1eadt li\u1ec7u d\u1ebbo b\u00e1m d\u00ednh v\u00e0o h\u1ea7u h\u1ebft c\u00e1c b\u1ec1 m\u1eb7t, do \u0111\u00f3 nhi\u1ec1u thi\u1ebft k\u1ebf gia c\u1ed1 t\u00edch h\u1ee3p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n.<\/p>\n\n\n\n
3.2 M\u00e0ng keo nhi\u1ec7t r\u1eafn<\/h3>\n\n\n\n
M\u00e0ng keo nhi\u1ec7t r\u1eafn, \u0111\u00f4i khi \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u00e0ng ph\u1ee7 acrylic ho\u1eb7c t\u1ea5m d\u00e1n, c\u00f3 th\u1ec3 k\u1ebft d\u00ednh c\u00e1c b\u1ed9 ph\u1eadn c\u1ee9ng v\u00e0 linh ho\u1ea1t. Ch\u00fang y\u00eau c\u1ea7u c\u00e1c b\u01b0\u1edbc x\u1eed l\u00fd b\u1ed5 sung v\u00e0 th\u1eddi gian. Tuy nhi\u00ean, keo nhi\u1ec7t r\u1eafn c\u00f3 th\u1ec3 cung c\u1ea5p \u0111\u1ed9 b\u00e1m d\u00ednh r\u1ea5t cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n\n\n\n
3.3 Keo l\u1ecfng<\/h3>\n\n\n\n
Keo epoxy m\u1ed9t th\u00e0nh ph\u1ea7n ho\u1eb7c hai th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 d\u00e1n c\u00e1c thanh gia c\u1ed1. Ch\u00fang kh\u00f3 \u00e1p d\u1ee5ng \u0111\u1ec1u, do \u0111\u00f3 \u00edt ph\u1ed5 bi\u1ebfn h\u01a1n so v\u1edbi keo phim. Khi s\u1eed d\u1ee5ng, keo l\u1ecfng t\u1ea1o th\u00e0nh m\u1ed9t \u0111\u01b0\u1eddng keo epoxy d\u1ea7n d\u1ea7n t\u1ea1i m\u00e9p d\u00e1n. \u0110\u01b0\u1eddng keo n\u00e0y gi\u00fap gi\u1ea3m \u00e1p l\u1ef1c t\u1ea1i m\u00e9p chuy\u1ec3n ti\u1ebfp.<\/p>\n\n\n\n
3.4 M\u00e0ng keo nhi\u1ec7t d\u1ebbo<\/h3>\n\n\n\n
M\u00e0ng keo nhi\u1ec7t d\u1ebbo l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn kh\u00e1c. Ch\u00fang c\u00f3 \u0111\u1ed9 c\u0103ng th\u1ea5p v\u00e0 ho\u00e0n to\u00e0n l\u00e0 polymer m\u00e0 kh\u00f4ng c\u1ea7n qu\u00e1 tr\u00ecnh \u0111\u00f3ng r\u1eafn h\u00f3a h\u1ecdc. Ch\u00fang c\u00f3 kh\u1ea3 n\u0103ng b\u00e1m d\u00ednh tr\u00ean nhi\u1ec1u b\u1ec1 m\u1eb7t v\u00e0 \u0111\u01b0\u1ee3c b\u00e1o c\u00e1o l\u00e0 d\u1ec5 d\u00e0ng s\u1eeda ch\u1eefa. Nh\u1eefng \u0111\u1eb7c t\u00ednh n\u00e0y m\u1edf r\u1ed9ng ph\u1ea1m vi \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang.<\/p>\n\n\n\n
3.5 Keo d\u00e1n kh\u00f4 b\u1eb1ng tia UV<\/h3>\n\n\n\n
Keo kh\u00f4 b\u1eb1ng tia UV l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn kh\u00e1c. M\u1ed9t s\u1ed1 c\u00f4ng th\u1ee9c c\u00f3 th\u1ec3 in l\u01b0\u1edbi. M\u1ed9t s\u1ed1 polymer k\u00edch ho\u1ea1t b\u1eb1ng tia UV c\u00f3 th\u1ec3 th\u1ec3 hi\u1ec7n \u0111\u1ed9 d\u00ednh t\u01b0\u01a1ng t\u1ef1 nh\u01b0 keo d\u00e1n nh\u1ea1y \u00e1p (PSA) sau khi k\u00edch ho\u1ea1t. V\u00ec ch\u00fang kh\u00f4 nhanh, keo UV h\u1eefu \u00edch cho c\u00e1c thi\u1ebft k\u1ebf c\u1ea7n chuy\u1ec3n \u0111\u1ed5i nhanh t\u1eeb m\u1ec1m sang c\u1ee9ng v\u00e0 gi\u1ea3m c\u0103ng th\u1eb3ng.<\/p>\n\n\n\n
4. L\u1ed7 tr\u00ean thanh gia c\u1ed1 (L\u1ed7 kho\u1ea3ng h\u1edf, L\u1ed7 l\u1eafp r\u00e1p, L\u1ed7 g\u1eafn)<\/h2>\n\n\n\n
C\u00e1c l\u1ed7 d\u00e0nh cho vi\u1ec7c l\u1eafp r\u00e1p t\u1ea1m th\u1eddi v\u00e0 c\u00e1c l\u1ed7 d\u00e0nh cho l\u1eafp r\u00e1p cu\u1ed1i c\u00f9ng l\u00e0 kh\u00e1c nhau v\u00e0 \u0111\u00f4i khi c\u00f3 t\u00e1c \u0111\u1ed9ng ng\u01b0\u1ee3c nhau. C\u00e1c quy t\u1eafc thi\u1ebft k\u1ebf ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng d\u1ef1 ki\u1ebfn. D\u1eef li\u1ec7u thi\u1ebft k\u1ebf ph\u1ea3i gi\u1ea3i th\u00edch c\u00e1ch ch\u1ecdn \u0111\u01b0\u1eddng k\u00ednh l\u1ed7.<\/p>\n\n\n\n
N\u1ebfu b\u1ea1n b\u1ecf qua \u0111i\u1ec1u n\u00e0y trong thi\u1ebft k\u1ebf ho\u1eb7c s\u1ea3n xu\u1ea5t, b\u1ea1n c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i c\u00e1c khe h\u1edf ho\u1eb7c \u0111\u1ee9t m\u1ea1ch \u0111\u1ed3ng t\u1ea1i c\u00e1c \u0111i\u1ec3m giao nhau gi\u1eefa l\u1ed7 linh ki\u1ec7n v\u00e0 m\u1ea1ch \u0111\u1ed3ng. B\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i s\u1eeda ch\u1eefa sau n\u00e0y.<\/p>\n\n\n\n
4.1 L\u1ed7 th\u00f4ng tho\u00e1ng cho c\u00e1c th\u00e0nh ph\u1ea7n tr\u00ean thanh gia c\u1ed1<\/h3>\n\n\n\n
C\u00e1c l\u1ed7 khoan \u0111\u1ec3 t\u1ea1o l\u1ed7 xuy\u00ean qua m\u1ea1 \u0111i\u1ec7n ph\u1ea3i l\u1edbn h\u01a1n l\u1ed7 xuy\u00ean qua m\u1ea1 \u0111i\u1ec7n t\u1eeb 250 \u00b5m \u0111\u1ebfn 375 \u00b5m. \u0110i\u1ec1u n\u00e0y b\u00f9 \u0111\u1eafp cho s\u1ef1 sai l\u1ec7ch c\u00f3 th\u1ec3 x\u1ea3y ra trong qu\u00e1 tr\u00ecnh \u00e9p laminate v\u00e0 gi\u00fap \u0111\u1ea3m b\u1ea3o c\u00e1c l\u1ed7 m\u1ea1 \u0111i\u1ec7n kh\u00f4ng b\u1ecb che khu\u1ea5t b\u1edfi l\u1edbp gia c\u1ed1.<\/p>\n\n\n\n
4.2 L\u1eafp r\u00e1p \/ L\u1ed7 l\u1eafp \u0111\u1eb7t<\/h3>\n\n\n\n
C\u00e1c l\u1ed7 tr\u00ean thanh gia c\u1ed1 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p n\u00ean c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi c\u00e1c l\u1ed7 tr\u00ean b\u1ed9 ph\u1eadn linh ho\u1ea1t. \u0110i\u1ec1u n\u00e0y gi\u00fap ng\u0103n ch\u1eb7n \u1ee9ng su\u1ea5t l\u1eafp r\u00e1p truy\u1ec1n sang b\u1ed9 ph\u1eadn linh ho\u1ea1t. Tuy nhi\u00ean, \u0111i\u1ec1u n\u00e0y kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng c\u1ea7n thi\u1ebft. Trong m\u1ed9t s\u1ed1 thi\u1ebft k\u1ebf, b\u1ed9 ph\u1eadn linh ho\u1ea1t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c g\u1eafn tr\u1ef1c ti\u1ebfp v\u00e0o khung \u0111\u1ee1 m\u00e0 kh\u00f4ng c\u1ea7n thanh gia c\u1ed1.<\/p>\n\n\n\n
4.3 C\u00e1c l\u1ed7 g\u1eafn kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3<\/h3>\n\n\n\n
\u0110\u1ed1i v\u1edbi c\u00e1c l\u1ed7 l\u1eafp \u0111\u1eb7t kh\u00f4ng c\u00f3 thanh gia c\u1ed1, h\u00e3y gi\u1eef l\u1ea1i \u0111\u1ed3ng xung quanh l\u1ed7 (v\u00f2ng tr\u00f2n xung quanh l\u1ed7) \u0111\u1ec3 t\u0103ng \u0111\u1ed9 c\u1ee9ng. N\u1ebfu thi\u1ebft k\u1ebf cho ph\u00e9p, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho c\u00e1c l\u1ed7 l\u1eafp \u0111\u1eb7t th\u00f4ng th\u01b0\u1eddng. H\u00ecnh d\u1ea1ng n\u00e0y c\u0169ng gi\u00fap vi\u1ec7c ti\u1ebfp \u0111\u1ea5t tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n.<\/p>\n\n\n\n
5. C\u00e1c v\u1eadt li\u1ec7u gia c\u1ed1 th\u00f4ng d\u1ee5ng cho FPC v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a ch\u00fang<\/h2>\n\n\n\n
FPC th\u01b0\u1eddng s\u1eed d\u1ee5ng ba lo\u1ea1i v\u1eadt li\u1ec7u gia c\u1ed1: PI, FR4 v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9. Chi ti\u1ebft:<\/p>\n\n\n\n
5.1 PI (Polyimide)<\/h3>\n\n\n\n
PI l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u k\u1ef9 thu\u1eadt chuy\u00ean d\u1ee5ng. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c l\u0129nh v\u1ef1c h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, vi \u0111i\u1ec7n t\u1eed, c\u00f4ng ngh\u1ec7 nano, m\u00e0n h\u00ecnh LCD, m\u00e0ng t\u00e1ch v\u00e0 laser. PI c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y v\u00e0 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p. Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 s\u1eed d\u1ee5ng l\u00e2u d\u00e0i thay \u0111\u1ed5i t\u00f9y theo lo\u1ea1i, nh\u01b0ng PI c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 r\u1ed9ng. Trong FPC, PI \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m m\u00e0ng b\u1ea3o v\u1ec7 v\u00e0 t\u1ea5m gia c\u1ed1. M\u00e0ng b\u1ea3o v\u1ec7 PI c\u00e1ch \u0111i\u1ec7n cho m\u1ea1ch. T\u1ea5m gia c\u1ed1 PI \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf m\u1eb7t sau c\u1ee7a c\u00e1c ng\u00f3n v\u00e0ng v\u00e0 c\u00e1c khu v\u1ef1c kh\u00e1c c\u1ea7n c\u00e1ch \u0111i\u1ec7n v\u00e0 gia c\u1ed1. \u0110\u1ed9 d\u00e0y c\u1ee7a t\u1ea5m gia c\u1ed1 PI \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn d\u1ef1a tr\u00ean thi\u1ebft k\u1ebf v\u00e0 m\u00f4i tr\u01b0\u1eddng. \u0110\u1ed9 dung sai c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t trong ph\u1ea1m vi \u00b10.03 mm. PI ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 qu\u00e1 tr\u00ecnh t\u1ed1t (th\u01b0\u1eddng t\u1eeb 130 \u00b0C \u0111\u1ebfn 280 \u00b0C, t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i). \u0110\u1ed9 d\u00e0y ph\u1ed5 bi\u1ebfn c\u1ee7a t\u1ea5m gia c\u1ed1 PI: 0.075 mm, 0.1 mm, 0.125 mm, 0.15 mm, 0.175 mm, 0.2 mm, 0.225 mm, 0.25 mm.<\/p>\n\n\n\n FR4 l\u00e0 v\u1eadt li\u1ec7u ch\u1ed1ng ch\u00e1y. So v\u1edbi c\u00e1c t\u1ea5m v\u00e1n l\u00e0m t\u1eeb gi\u1ea5y, n\u00f3 c\u00f3 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc, kh\u1ea3 n\u0103ng ch\u1ecbu va \u0111\u1eadp v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u1ea9m t\u1ed1t h\u01a1n. Hi\u1ec7u su\u1ea5t \u0111i\u1ec7n c\u1ee7a n\u00f3 t\u1ed1t v\u00e0 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n. Trong qu\u00e1 tr\u00ecnh gia c\u00f4ng, n\u00f3 th\u01b0\u1eddng c\u00f3 \u01b0u \u0111i\u1ec3m h\u01a1n so v\u1edbi c\u00e1c t\u1ea5m v\u00e1n s\u1ee3i th\u1ee7y tinh nh\u1ef1a kh\u00e1c. Trong s\u1ea3n xu\u1ea5t FPC, FR4 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m v\u1eadt li\u1ec7u gia c\u1ed1 ph\u00eda sau khu v\u1ef1c h\u00e0n. N\u00f3 t\u0103ng \u0111\u1ed9 c\u1ee9ng t\u1ea1i khu v\u1ef1c h\u00e0n v\u00e0 b\u1ea3o v\u1ec7 c\u00e1c linh ki\u1ec7n h\u00e0n b\u1ec1 m\u1eb7t kh\u1ecfi h\u01b0 h\u1ecfng do u\u1ed1n cong l\u1eb7p \u0111i l\u1eb7p l\u1ea1i. V\u00ec FR4 m\u00e0i m\u00f2n nhanh h\u01a1n PI, n\u00f3 th\u01b0\u1eddng kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gia c\u1ed1 c\u00e1c ng\u00f3n v\u00e0ng. \u0110\u1ed1i v\u1edbi t\u1ea5m gia c\u1ed1 FR4: n\u1ebfu \u0111\u1ed9 d\u00e0y 1.0 mm, dung sai l\u00e0 \u00b10.1 mm. C\u00e1c \u0111\u1ed9 d\u00e0y ph\u1ed5 bi\u1ebfn c\u1ee7a t\u1ea5m gia c\u1ed1 FR4: 0.1 mm, 0.2 mm, 0.3 mm, 0.4 mm, 0.5 mm, 0.6 mm, 0.7 mm, 1.6 mm.<\/p>\n\n\n\n So s\u00e1nh nhanh: PI c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t t\u1ed1t nh\u01b0ng kh\u00f4ng c\u1ee9ng l\u1eafm. FR4 d\u00e0y h\u01a1n v\u00e0 c\u1ee9ng h\u01a1n, c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c th\u1ea5p h\u01a1n, nh\u01b0ng \u1ed5n \u0111\u1ecbnh h\u01a1n cho l\u1eafp r\u00e1p th\u1ee7 c\u00f4ng nh\u01b0ng kh\u00f3 s\u1eeda ch\u1eefa h\u01a1n.<\/p>\n\n\n\n Th\u01b0\u1eddng l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 303. 303 l\u00e0 lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 austenitic ch\u1ee9a l\u01b0u hu\u1ef3nh v\u00e0 selen \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng gia c\u00f4ng v\u00e0 b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n. C\u00e1c thanh gia c\u1ed1 FPC th\u01b0\u1eddng c\u00f3 h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p, v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 303 d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c kh\u1eafc h\u00f3a h\u1ecdc. \u0110\u1ed1i v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m FPC c\u1ea7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cao, c\u00e1c thanh gia c\u1ed1 b\u1eb1ng th\u00e9p 303 l\u00e0 ph\u1ed5 bi\u1ebfn. C\u00e1c thanh gia c\u1ed1 b\u1eb1ng th\u00e9p kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c khoan b\u1eb1ng CNC ho\u1eb7c c\u1eaft b\u1eb1ng laser FPC. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0103n m\u00f2n h\u00f3a h\u1ecdc, do \u0111\u00f3 chi ph\u00ed cao h\u01a1n. Ch\u00fang c\u1ea7n l\u1eafp r\u00e1p th\u1ee7 c\u00f4ng, quy tr\u00ecnh ph\u1ee9c t\u1ea1p h\u01a1n v\u00e0 chi ph\u00ed cao h\u01a1n. \u0110\u1ed9 d\u00e0y th\u00f4ng th\u01b0\u1eddng c\u1ee7a c\u00e1c thanh gia c\u1ed1 b\u1eb1ng th\u00e9p: 0,1 mm, 0,2 mm.<\/p>\n\n\n\n Khi thi\u1ebft k\u1ebf c\u00e1c thanh gia c\u1ed1 v\u00e0 l\u1ed7, h\u00e3y x\u00e1c \u0111\u1ecbnh r\u00f5 m\u1ee5c \u0111\u00edch c\u1ee7a t\u1eebng l\u1ed7 (kho\u1ea3ng h\u1edf, l\u1eafp r\u00e1p, c\u1ed1 \u0111\u1ecbnh). Ghi ch\u00fa k\u00edch th\u01b0\u1edbc \u0111\u01b0\u1eddng k\u00ednh l\u1ed7, \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c v\u1ecb tr\u00ed trong ph\u1ea7n ghi ch\u00fa thi\u1ebft k\u1ebf.<\/p>\n\n\n\n \u0110\u1ed1i v\u1edbi c\u00e1c thanh gia c\u1ed1 g\u1ea7n c\u00e1c l\u1ed7 m\u1ea1, h\u00e3y \u0111\u1ea3m b\u1ea3o c\u00f3 \u0111\u1ee7 kho\u1ea3ng tr\u1ed1ng ho\u1eb7c m\u1edf r\u1ed9ng l\u1ed7 t\u1eeb 250\u2013375 \u00b5m \u0111\u1ec3 tr\u00e1nh l\u00e0m t\u1eafc ngh\u1ebdn c\u00e1c l\u1ed7 m\u1ea1 trong qu\u00e1 tr\u00ecnh \u00e9p laminate.<\/p>\n\n\n\n N\u1ebfu thanh gia c\u1ed1 ph\u1ea3i ch\u1ecbu l\u1ef1c l\u1eafp r\u00e1p ho\u1eb7c l\u1ef1c c\u01a1 h\u1ecdc, h\u00e3y xem x\u00e9t s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u c\u1ee9ng h\u01a1n nh\u01b0 FR4 ho\u1eb7c th\u00e9p. Tuy nhi\u00ean, n\u1ebfu c\u00f3 kh\u1ea3 n\u0103ng ph\u1ea3i s\u1eeda ch\u1eefa l\u1ea1i trong t\u01b0\u01a1ng lai, h\u00e3y \u01b0u ti\u00ean c\u00e1c gi\u1ea3i ph\u00e1p nh\u01b0 PI ho\u1eb7c m\u00e0ng nh\u1ef1a nhi\u1ec7t d\u1ebbo, v\u00ec ch\u00fang d\u1ec5 d\u00e0ng h\u01a1n trong vi\u1ec7c s\u1eeda ch\u1eefa l\u1ea1i.<\/p>\n\n\n\n Khi l\u1ef1a ch\u1ecdn keo d\u00e1n, h\u00e3y xem x\u00e9t nhi\u1ec7t \u0111\u1ed9 h\u00e0n l\u1ea1i (\u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi h\u00e0n kh\u00f4ng ch\u00ec), nhu c\u1ea7u s\u1eeda ch\u1eefa, m\u00f4i tr\u01b0\u1eddng l\u00e2u d\u00e0i (nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u1ea9m) v\u00e0 b\u1ec1 m\u1eb7t c\u1ea7n d\u00e1n.<\/p>\n\n\n\n \u0110\u1ed1i v\u1edbi c\u00e1c h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p ho\u1eb7c c\u00e1c b\u1ed9 ph\u1eadn gia c\u1ed1 c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao, n\u00ean \u01b0u ti\u00ean s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u0103n m\u00f2n h\u00f3a h\u1ecdc ho\u1eb7c c\u1eaft laser \u0111\u1ec3 gi\u1ea3m chi ph\u00ed khu\u00f4n m\u1eabu. \u0110\u1ed1i v\u1edbi s\u1ea3n xu\u1ea5t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn v\u00e0 c\u00e1c h\u00ecnh d\u1ea1ng th\u00f4ng th\u01b0\u1eddng, n\u00ean xem x\u00e9t s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p d\u1eadp khu\u00f4n ho\u1eb7c c\u1eaft khu\u00f4n \u0111\u1ec3 gi\u1ea3m chi ph\u00ed \u0111\u01a1n v\u1ecb.<\/p>\n\n\n\n N\u1ebfu b\u1ea1n c\u1ea7n th\u00e1o b\u1ecf m\u1ed9t thanh gia c\u1ed1 sau khi l\u1eafp r\u00e1p, h\u00e3y \u0111\u1ec3 l\u1ea1i c\u00e1c c\u1ea7u n\u1ed1i ho\u1eb7c \u0111\u01b0\u1eddng g\u1ea5p gi\u1eefa thanh gia c\u1ed1 v\u00e0 ph\u1ea7n linh ho\u1ea1t \u0111\u1ec3 c\u00f3 th\u1ec3 b\u1ebb g\u00e3y ho\u1eb7c th\u00e1o b\u1ecf sau n\u00e0y.<\/p>\n\n\n\n C\u00e1c thanh gia c\u1ed1 PI: \u0111\u1ed9 ch\u00ednh x\u00e1c cao, kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t t\u1ed1t, d\u1ec5 t\u00edch h\u1ee3p v\u1edbi v\u1eadt li\u1ec7u linh ho\u1ea1t, kh\u1ea3 n\u0103ng s\u1eeda ch\u1eefa t\u1ed1t; kh\u00f4ng c\u1ee9ng b\u1eb1ng FR4.<\/p>\n\n\n\n C\u00e1c t\u1ea5m gia c\u1ed1 FR4: d\u00e0y h\u01a1n, c\u1ee9ng h\u01a1n, \u1ed5n \u0111\u1ecbnh h\u01a1n cho c\u00e1c khu v\u1ef1c h\u00e0n; dung sai l\u1edbn h\u01a1n, kh\u00f3 s\u1eeda ch\u1eefa h\u01a1n.<\/p>\n\n\n\n Thanh gia c\u1ed1 th\u00e9p 303: r\u1ea5t c\u1ee9ng c\u00e1p v\u00e0 \u1ed5n \u0111\u1ecbnh, nh\u01b0ng chi ph\u00ed cao h\u01a1n, \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0103n m\u00f2n, y\u00eau c\u1ea7u l\u1eafp r\u00e1p th\u1ee7 c\u00f4ng v\u00e0 vi\u1ec7c s\u1eeda ch\u1eefa l\u1ea1i r\u1ea5t kh\u00f3 kh\u0103n.<\/p>\n\n\n\n <\/p>","protected":false},"excerpt":{"rendered":" Introduction FPC stiffening does more than hold parts. It can also help with heat dissipation. But if you need to […]<\/p>","protected":false},"author":1,"featured_media":4620,"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 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FPC stiffening does more than hold parts. It can also help with heat dissipation. But if you need to […]","_links":{"self":[{"href":"https:\/\/flj-pcb.com\/vi\/wp-json\/wp\/v2\/posts\/4618","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/flj-pcb.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/flj-pcb.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/flj-pcb.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/flj-pcb.com\/vi\/wp-json\/wp\/v2\/comments?post=4618"}],"version-history":[{"count":1,"href":"https:\/\/flj-pcb.com\/vi\/wp-json\/wp\/v2\/posts\/4618\/revisions"}],"predecessor-version":[{"id":4624,"href":"https:\/\/flj-pcb.com\/vi\/wp-json\/wp\/v2\/posts\/4618\/revisions\/4624"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/flj-pcb.com\/vi\/wp-json\/wp\/v2\/media\/4620"}],"wp:attachment":[{"href":"https:\/\/flj-pcb.com\/vi\/wp-json\/wp\/v2\/media?parent=4618"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/flj-pcb.com\/vi\/wp-json\/wp\/v2\/categories?post=4618"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/flj-pcb.com\/vi\/wp-json\/wp\/v2\/tags?post=4618"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}![\"PI](\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/PI-Polyimide.webp\")
<\/figure>\n\n\n\n5.2 FR4<\/h3>\n\n\n\n
![\"FR4\"](\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/FR4.webp\")
<\/figure>\n\n\n\n5.3 Thanh gia c\u1ed1 th\u00e9p (th\u00e9p kh\u00f4ng g\u1ec9)<\/h3>\n\n\n\n
![\"Steel](\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/Steel-Stiffeners.webp\")
<\/figure>\n\n\n\n6. C\u00e1c \u0111i\u1ec3m thi\u1ebft k\u1ebf v\u00e0 l\u1eddi khuy\u00ean th\u1ef1c ti\u1ec5n<\/h2>\n\n\n\n
7. T\u00f3m t\u1eaft (\u01afu \u0111i\u1ec3m v\u00e0 Nh\u01b0\u1ee3c \u0111i\u1ec3m)<\/h2>\n\n\n\n