{"id":4625,"date":"2026-01-16T09:48:58","date_gmt":"2026-01-16T09:48:58","guid":{"rendered":"https:\/\/flj-pcb.com\/?p=4625"},"modified":"2026-01-16T09:49:00","modified_gmt":"2026-01-16T09:49:00","slug":"aluminum-substrate-pcb-guide-thermal-design-led-uses","status":"publish","type":"post","link":"https:\/\/flj-pcb.com\/vi\/aluminum-substrate-pcb-guide-thermal-design-led-uses\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn v\u1ec1 b\u1ea3ng m\u1ea1ch in (PCB) c\u00f3 n\u1ec1n nh\u00f4m: Thi\u1ebft k\u1ebf nhi\u1ec7t v\u00e0 \u1ee8ng d\u1ee5ng LED"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Aluminum Substrate l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p>M\u1ed9t <a href=\"https:\/\/flj-pcb.com\/vi\/pcb-manufacturer\/aluminum-pcb\/\" data-type=\"page\" data-id=\"1913\">N\u1ec1n nh\u00f4m<\/a> l\u00e0 m\u1ed9t b\u1ea3ng m\u1ea1ch in kim lo\u1ea1i l\u00f5i \u0111\u1ed3ng c\u00f3 kh\u1ea3 n\u0103ng t\u1ea3n nhi\u1ec7t t\u1ed1t. M\u1ed9t b\u1ea3ng m\u1ea1ch in m\u1ed9t m\u1eb7t ti\u00eau chu\u1ea9n c\u00f3 ba l\u1edbp: l\u1edbp m\u1ea1ch (l\u1edbp \u0111\u1ed3ng), l\u1edbp c\u00e1ch \u0111i\u1ec7n (l\u1edbp c\u00e1ch nhi\u1ec7t) v\u00e0 l\u1edbp n\u1ec1n kim lo\u1ea1i. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng cao c\u1ea5p, c\u0169ng c\u00f3 c\u00e1c b\u1ea3ng m\u1ea1ch in hai m\u1eb7t v\u1edbi c\u1ea5u tr\u00fac l\u1edbp nh\u01b0 sau: l\u1edbp m\u1ea1ch, l\u1edbp c\u00e1ch \u0111i\u1ec7n, l\u1edbp n\u1ec1n nh\u00f4m, l\u1edbp c\u00e1ch \u0111i\u1ec7n, l\u1edbp m\u1ea1ch. M\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t s\u1eed d\u1ee5ng b\u1ea3ng m\u1ea1ch in nhi\u1ec1u l\u1edbp \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh b\u1eb1ng c\u00e1ch \u00e9p l\u1edbp c\u00e1c b\u1ea3ng m\u1ea1ch in th\u00f4ng th\u01b0\u1eddng. <a href=\"https:\/\/flj-pcb.com\/vi\/pcb-manufacturer\/multilayer-pcb\/\" data-type=\"page\" data-id=\"2630\">Bo m\u1ea1ch in nhi\u1ec1u l\u1edbp<\/a> v\u1edbi c\u00e1c l\u1edbp c\u00e1ch \u0111i\u1ec7n v\u00e0 m\u1ed9t l\u1edbp n\u1ec1n nh\u00f4m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ed9t t\u1ea5m n\u1ec1n nh\u00f4m<\/h2>\n\n\n\n<p>C\u00e1c b\u1ed9 ph\u1eadn ngu\u1ed3n \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t tr\u00ean l\u1edbp m\u1ea1ch. Nhi\u1ec7t do c\u00e1c b\u1ed9 ph\u1eadn t\u1ea1o ra di chuy\u1ec3n nhanh qua l\u1edbp c\u00e1ch \u0111i\u1ec7n v\u00e0o l\u1edbp kim lo\u1ea1i. L\u1edbp kim lo\u1ea1i sau \u0111\u00f3 ph\u00e2n t\u00e1n v\u00e0 gi\u1ea3i ph\u00f3ng nhi\u1ec7t. \u0110\u00e2y l\u00e0 c\u00e1ch c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c l\u00e0m m\u00e1t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u1ea5u tr\u00fac c\u1ee7a m\u1ed9t t\u1ea5m n\u1ec1n nh\u00f4m<\/h2>\n\n\n\n<p>B\u1ea3ng m\u1ea1ch \u0111\u1ed3ng b\u1ecdc nh\u00f4m l\u00e0 v\u1eadt li\u1ec7u b\u1ea3ng m\u1ea1ch kim lo\u1ea1i \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb l\u00e1 \u0111\u1ed3ng, l\u1edbp c\u00e1ch \u0111i\u1ec7n d\u1eabn nhi\u1ec7t v\u00e0 l\u1edbp n\u1ec1n kim lo\u1ea1i. Ba l\u1edbp ti\u00eau bi\u1ec3u l\u00e0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>L\u1edbp m\u1ea1ch (CIRCUIT LAYER)<\/strong>Gi\u1ed1ng nh\u01b0 l\u1edbp \u0111\u1ed3ng ph\u1ee7 tr\u00ean m\u1ed9t b\u1ea3ng m\u1ea1ch in (PCB) th\u00f4ng th\u01b0\u1eddng. \u0110\u1ed9 d\u00e0y c\u1ee7a \u0111\u1ed3ng dao \u0111\u1ed9ng t\u1eeb 1 oz \u0111\u1ebfn 10 oz (kho\u1ea3ng 35 \u00b5m \u0111\u1ebfn 280 \u00b5m). \u0110\u1ed3ng \u0111\u01b0\u1ee3c \u0103n m\u00f2n \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ea1ch in. V\u00ec b\u1ea3ng m\u1ea1ch th\u01b0\u1eddng ph\u1ea3i ch\u1ecbu d\u00f2ng \u0111i\u1ec7n cao h\u01a1n, n\u00ean s\u1eed d\u1ee5ng \u0111\u1ed3ng d\u00e0y h\u01a1n.<\/li>\n\n\n\n<li><strong>L\u1edbp c\u00e1ch \u0111i\u1ec7n (L\u1edaP C\u00c1CH \u0110I\u1ec6N)<\/strong>: L\u1edbp c\u00e1ch nhi\u1ec7t c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t th\u1ea5p v\u00e0 kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t t\u1ed1t. \u0110\u00e2y l\u00e0 c\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i. Th\u00f4ng th\u01b0\u1eddng, n\u00f3 l\u00e0 m\u1ed9t lo\u1ea1i polymer \u0111\u1eb7c bi\u1ec7t ch\u1ee9a c\u00e1c h\u1ea1t g\u1ed1m. L\u1edbp n\u00e0y c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t th\u1ea5p, t\u00ednh ch\u1ea5t viscoelastic t\u1ed1t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u00e3o h\u00f3a nhi\u1ec7t. N\u00f3 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p l\u1ef1c c\u01a1 h\u1ecdc v\u00e0 nhi\u1ec7t. L\u1edbp n\u00e0y cho ph\u00e9p b\u1ea3ng m\u1ea1ch k\u1ebft h\u1ee3p kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t t\u1ed1t v\u00e0 c\u00e1ch \u0111i\u1ec7n \u0111i\u1ec7n cao.<\/li>\n\n\n\n<li><strong>L\u1edbp l\u00f3t (BASE LAYER)<\/strong>: \u0110\u1ebf kim lo\u1ea1i, th\u01b0\u1eddng l\u00e0 nh\u00f4m ho\u1eb7c \u0111\u00f4i khi l\u00e0 \u0111\u1ed3ng (\u0111\u1ed3ng c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t t\u1ed1t h\u01a1n). \u0110\u1ebf kim lo\u1ea1i h\u1ed7 tr\u1ee3 b\u1ea3ng m\u1ea1ch. N\u00f3 ph\u1ea3i c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao v\u00e0 ph\u00f9 h\u1ee3p cho c\u00e1c thao t\u00e1c khoan, \u0111\u1ee5c l\u1ed7 v\u00e0 c\u1eaft.<\/li>\n<\/ul>\n\n\n\n<p>So v\u1edbi c\u00e1c v\u1eadt li\u1ec7u PCB truy\u1ec1n th\u1ed1ng, v\u1eadt li\u1ec7u n\u1ec1n nh\u00f4m c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m r\u00f5 r\u1ec7t: ch\u00fang ph\u00f9 h\u1ee3p cho vi\u1ec7c l\u1eafp \u0111\u1eb7t SMT c\u00e1c linh ki\u1ec7n c\u00f4ng su\u1ea5t m\u00e0 kh\u00f4ng c\u1ea7n t\u1ea3n nhi\u1ec7t ri\u00eang bi\u1ec7t, gi\u00fap thu nh\u1ecf k\u00edch th\u01b0\u1edbc s\u1ea3n ph\u1ea9m, cung c\u1ea5p kh\u1ea3 n\u0103ng t\u1ea3n nhi\u1ec7t xu\u1ea5t s\u1eafc v\u00e0 v\u1eabn duy tr\u00ec \u0111\u1ed9 c\u00e1ch \u0111i\u1ec7n v\u00e0 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc t\u1ed1t.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/Structure-of-an-Aluminum-Substrate-1.webp\" alt=\"\" class=\"wp-image-4632\" srcset=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/Structure-of-an-Aluminum-Substrate-1.webp 500w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/Structure-of-an-Aluminum-Substrate-1-300x300.webp 300w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/Structure-of-an-Aluminum-Substrate-1-150x150.webp 150w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/Structure-of-an-Aluminum-Substrate-1-12x12.webp 12w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110\u1eb7c t\u00ednh hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u n\u1ec1n nh\u00f4m<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/flj-pcb.com\/vi\/pcb-assembly\/smt-assembly\/\" data-type=\"page\" data-id=\"1923\">H\u1ed7 tr\u1ee3 c\u00f4ng ngh\u1ec7 h\u00e0n b\u1ec1 m\u1eb7t (SMT)<\/a>.<\/li>\n\n\n\n<li>T\u1ea3n nhi\u1ec7t r\u1ea5t hi\u1ec7u qu\u1ea3 trong thi\u1ebft k\u1ebf m\u1ea1ch.<\/li>\n\n\n\n<li>Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng th\u1ea5p h\u01a1n, m\u1eadt \u0111\u1ed9 c\u00f4ng su\u1ea5t cao h\u01a1n v\u00e0 \u0111\u1ed9 tin c\u1eady cao h\u01a1n, c\u00f9ng v\u1edbi tu\u1ed5i th\u1ecd d\u00e0i h\u01a1n.<\/li>\n\n\n\n<li>Gi\u1ea3m k\u00edch th\u01b0\u1edbc s\u1ea3n ph\u1ea9m v\u00e0 gi\u1ea3m chi ph\u00ed ph\u1ea7n c\u1ee9ng v\u00e0 l\u1eafp r\u00e1p.<\/li>\n\n\n\n<li>Thay th\u1ebf c\u00e1c b\u1ed9 ph\u1eadn d\u1ec5 v\u1ee1<a href=\"https:\/\/flj-pcb.com\/vi\/pcb-manufacturer\/ceramic-pcb\/\" data-type=\"page\" data-id=\"2364\"> V\u1eadt li\u1ec7u n\u1ec1n g\u1ed1m s\u1ee9<\/a> v\u1edbi \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc cao h\u01a1n.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">N\u0103ng l\u1ef1c s\u1ea3n xu\u1ea5t (Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt quy tr\u00ecnh \u0111i\u1ec3n h\u00ecnh)<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>M\u1eb7t h\u00e0ng<\/th><th>Kh\u1ea3 n\u0103ng \/ Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/th><\/tr><\/thead><tbody><tr><td>C\u00e1c lo\u1ea1i b\u1ea3ng<\/td><td>V\u1eadt li\u1ec7u n\u1ec1n nh\u00f4m, v\u1eadt li\u1ec7u n\u1ec1n \u0111\u1ed3ng, v\u1eadt li\u1ec7u n\u1ec1n s\u1eaft<\/td><\/tr><tr><td>B\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n<\/td><td><a href=\"https:\/\/flj-pcb.com\/vi\/pcb-manufacturer\/enig-pcb\/\" data-type=\"page\" data-id=\"2398\">V\u00e0ng nh\u00fang (ENIG)<\/a>, b\u00ecnh x\u1ecbt, b\u00ecnh ng\u00e2m, b\u1ea1c h\u00f3a h\u1ecdc, <a href=\"https:\/\/flj-pcb.com\/vi\/pcb-manufacturer\/osp-pcb\/\" data-type=\"page\" data-id=\"2386\">OSP<\/a><\/td><\/tr><tr><td>L\u1edbp<\/td><td>M\u1ed9t m\u1eb7t, hai m\u1eb7t, b\u1ed1n l\u1edbp<\/td><\/tr><tr><td>K\u00edch th\u01b0\u1edbc t\u1ed1i \u0111a<\/td><td>1185 mm \u00d7 480 mm<\/td><\/tr><tr><td>K\u00edch th\u01b0\u1edbc t\u1ed1i thi\u1ec3u<\/td><td>5 mm \u00d7 5 mm<\/td><\/tr><tr><td>D\u00f2ng\/kho\u1ea3ng c\u00e1ch t\u1ed1i thi\u1ec3u<\/td><td>0,1 mm<\/td><\/tr><tr><td>S\u1ef1 cong v\u00eanh c\u1ee7a b\u1ea3ng<\/td><td>\u2264 0,5% (cho \u0111\u1ed9 d\u00e0y 1,6 mm, k\u00edch th\u01b0\u1edbc 300 mm \u00d7 300 mm)<\/td><\/tr><tr><td>\u0110\u1ed9 d\u00e0y \u0111\u00e3 qua x\u1eed l\u00fd<\/td><td>0,3 \u2013 5,0 mm<\/td><\/tr><tr><td>\u0110\u1ed9 d\u00e0y c\u1ee7a \u0111\u1ed3ng<\/td><td>35 \u00b5m \u2013 240 \u00b5m<\/td><\/tr><tr><td>\u0110\u1ecbnh h\u00ecnh dung sai<\/td><td>\u00b10,15 mm<\/td><\/tr><tr><td>\u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a s\u1ef1 c\u0103n ch\u1ec9nh V-cut<\/td><td>\u00b10,1 mm<\/td><\/tr><tr><td>C\u00f4ng su\u1ea5t s\u1ea3n xu\u1ea5t<\/td><td>7.000 m\u00b2 \/ th\u00e1ng<\/td><\/tr><tr><td>Sai l\u1ec7ch v\u1ecb tr\u00ed l\u1ed7<\/td><td>\u00b10,076 mm<\/td><\/tr><tr><td>V\u00ed d\u1ee5 v\u1ec1 dung sai h\u00ecnh d\u1ea1ng<\/td><td>\u0110\u01b0\u1eddng vi\u1ec1n \u0111\u01b0\u1ee3c gia c\u00f4ng b\u1eb1ng CNC: \u00b10.1 mm; \u0111\u01b0\u1eddng vi\u1ec1n khu\u00f4n d\u1eadp\/khu\u00f4n c\u1eaft: \u00b10.15 mm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Thu\u1eadt ng\u1eef v\u00e0 Gi\u1ea3i th\u00edch Quy tr\u00ecnh<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Gia c\u00f4ng kh\u1eafc c\u1ea1nh<\/strong>: Qu\u00e1 tr\u00ecnh \u0103n m\u00f2n x\u1ea3y ra t\u1ea1i th\u00e0nh b\u00ean d\u01b0\u1edbi m\u1eabu kh\u00e1ng. \u0110\u1ed9 \u0103n m\u00f2n b\u00ean \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng chi\u1ec1u r\u1ed9ng \u0103n m\u00f2n ngang. N\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i dung d\u1ecbch \u0103n m\u00f2n, th\u00e0nh ph\u1ea7n, quy tr\u00ecnh v\u00e0 thi\u1ebft b\u1ecb.<\/li>\n\n\n\n<li><strong>Y\u1ebfu t\u1ed1 \u0103n m\u00f2n<\/strong>T\u1ef7 l\u1ec7 gi\u1eefa \u0111\u1ed9 d\u00e0y c\u1ee7a d\u00e2y d\u1eabn (kh\u00f4ng bao g\u1ed3m l\u1edbp m\u1ea1) v\u00e0 l\u01b0\u1ee3ng \u0103n m\u00f2n b\u00ean c\u1ea1nh. H\u1ec7 s\u1ed1 \u0103n m\u00f2n = V \/ X (V = \u0111\u1ed9 d\u00e0y c\u1ee7a d\u00e2y d\u1eabn, X = l\u01b0\u1ee3ng \u0103n m\u00f2n b\u00ean c\u1ea1nh). H\u1ec7 s\u1ed1 \u0103n m\u00f2n cao h\u01a1n c\u00f3 ngh\u0129a l\u00e0 l\u01b0\u1ee3ng \u0103n m\u00f2n b\u00ean c\u1ea1nh \u00edt h\u01a1n. C\u00e1c \u0111\u01b0\u1eddng d\u1eabn m\u1ecfng c\u00f3 m\u1eadt \u0111\u1ed9 cao c\u1ea7n c\u00f3 h\u1ec7 s\u1ed1 \u0103n m\u00f2n cao.<\/li>\n\n\n\n<li><strong>M\u1edf r\u1ed9ng l\u1edbp m\u1ea1 (m\u1edf r\u1ed9ng b\u1ec1 m\u1eb7t m\u1ea1)<\/strong>Trong qu\u00e1 tr\u00ecnh m\u1ea1 theo m\u1eabu, l\u1edbp kim lo\u1ea1i c\u00f3 th\u1ec3 d\u00e0y h\u01a1n l\u1edbp kh\u00e1ng m\u1ea1, \u0111i\u1ec1u n\u00e0y l\u00e0m t\u0103ng chi\u1ec1u r\u1ed9ng c\u1ee7a \u0111\u01b0\u1eddng m\u1ea1ch. Qu\u00e1 tr\u00ecnh m\u1ea1 ph\u00e1t tri\u1ec3n li\u00ean quan \u0111\u1ebfn \u0111\u1ed9 d\u00e0y c\u1ee7a l\u1edbp kh\u00e1ng m\u1ea1 v\u00e0 t\u1ed5ng \u0111\u1ed9 d\u00e0y c\u1ee7a l\u1edbp m\u1ea1, v\u00e0 n\u00ean \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u.<\/li>\n\n\n\n<li><strong>D\u1ef1ng h\u00ecnh m\u1ea1 (ph\u1ea7n m\u1ea1 nh\u00f4 ra)<\/strong>T\u1ed5ng c\u1ee7a \u0111\u1ed9 d\u00e0y m\u1ea1 v\u00e0 \u0111\u1ed9 \u0103n m\u00f2n c\u1ea1nh. N\u1ebfu kh\u00f4ng c\u00f3 \u0111\u1ed9 d\u00e0y m\u1ea1, \u0111\u1ed9 d\u00e0y m\u1ea1 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi \u0111\u1ed9 \u0103n m\u00f2n c\u1ea1nh.<\/li>\n\n\n\n<li><strong>T\u1ed1c \u0111\u1ed9 \u0103n m\u00f2n<\/strong>\u0110\u1ed9 s\u00e2u c\u1ee7a kim lo\u1ea1i b\u1ecb h\u00f2a tan b\u1edfi ch\u1ea5t \u0103n m\u00f2n tr\u00ean m\u1ed7i \u0111\u01a1n v\u1ecb th\u1eddi gian (th\u01b0\u1eddng l\u00e0 \u00b5m\/ph\u00fat) ho\u1eb7c th\u1eddi gian c\u1ea7n thi\u1ebft \u0111\u1ec3 lo\u1ea1i b\u1ecf m\u1ed9t \u0111\u1ed9 d\u00e0y nh\u1ea5t \u0111\u1ecbnh.<\/li>\n\n\n\n<li><strong>Kh\u1ea3 n\u0103ng h\u00f2a tan \u0111\u1ed3ng<\/strong>: Trong \u0111i\u1ec1u ki\u1ec7n t\u1ed1c \u0111\u1ed9 \u0103n m\u00f2n cho tr\u01b0\u1edbc, l\u01b0\u1ee3ng \u0111\u1ed3ng m\u00e0 ch\u1ea5t \u0103n m\u00f2n c\u00f3 th\u1ec3 h\u00f2a tan. Th\u00f4ng s\u1ed1 n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng g\/L. M\u1ed7i ch\u1ea5t \u0103n m\u00f2n c\u00f3 kh\u1ea3 n\u0103ng h\u00f2a tan \u0111\u1ed3ng c\u1ed1 \u0111\u1ecbnh.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">V\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i cho c\u00e1c t\u1ea5m nh\u00f4m (\u0110\u00f3ng g\u00f3i LED)<\/h2>\n\n\n\n<p><a href=\"https:\/\/flj-pcb.com\/vi\/pcb-manufacturer\/led-pcb\/\" data-type=\"page\" data-id=\"1911\">\u0110\u00f3ng g\u00f3i LED<\/a> Cung c\u1ea5p cho chip LED m\u1ed9t n\u1ec1n t\u1ea3ng \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t quang h\u1ecdc, \u0111i\u1ec7n v\u00e0 nhi\u1ec7t. V\u1ecf b\u1ecdc LED ch\u1ea5t l\u01b0\u1ee3ng cao gi\u00fap t\u0103ng hi\u1ec7u su\u1ea5t LED v\u00e0 kh\u1ea3 n\u0103ng t\u1ea3n nhi\u1ec7t, t\u1eeb \u0111\u00f3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd. Thi\u1ebft k\u1ebf v\u1ecf b\u1ecdc LED d\u1ef1a tr\u00ean n\u0103m y\u1ebfu t\u1ed1 c\u1ed1t l\u00f5i: hi\u1ec7u su\u1ea5t chi\u1ebft xu\u1ea5t quang h\u1ecdc, kh\u00e1ng nhi\u1ec7t, ti\u00eau t\u00e1n c\u00f4ng su\u1ea5t, \u0111\u1ed9 tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3 chi ph\u00ed (Lm\/$).<\/p>\n\n\n\n<p>T\u1ea5t c\u1ea3 c\u00e1c y\u1ebfu t\u1ed1 \u0111\u1ec1u quan tr\u1ecdng. Hi\u1ec7u su\u1ea5t quang h\u1ecdc \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn chi ph\u00ed tr\u00ean m\u1ed7i lumen. Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 tin c\u1eady v\u00e0 tu\u1ed5i th\u1ecd. C\u00f4ng su\u1ea5t ti\u00eau t\u00e1n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u1ee9ng d\u1ee5ng c\u1ee7a kh\u00e1ch h\u00e0ng. Bao b\u00ec t\u1ed1t c\u00e2n b\u1eb1ng c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y v\u00e0 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng.<\/p>\n\n\n\n<p>Th\u00f4ng th\u01b0\u1eddng, c\u00e1c t\u1ea5m n\u1ec1n nh\u00f4m m\u1ed9t l\u1edbp ho\u1eb7c hai l\u1edbp \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m b\u1ed9 t\u1ea3n nhi\u1ec7t. M\u1ed9t ho\u1eb7c nhi\u1ec1u chip \u0111\u01b0\u1ee3c g\u1eafn tr\u1ef1c ti\u1ebfp l\u00ean b\u1ec1 m\u1eb7t nh\u00f4m (ho\u1eb7c \u0111\u1ed3ng) c\u1ee7a t\u1ea5m n\u1ec1n. C\u00e1c \u0111i\u1ec7n c\u1ef1c p v\u00e0 n c\u1ee7a chip \u0111\u01b0\u1ee3c h\u00e0n d\u00e2y v\u00e0o l\u1edbp \u0111\u1ed3ng m\u1ecfng tr\u00ean b\u1ec1 m\u1eb7t t\u1ea5m n\u1ec1n. S\u1ed1 l\u01b0\u1ee3ng chip tr\u00ean bo m\u1ea1ch ph\u1ee5 thu\u1ed9c v\u00e0o c\u00f4ng su\u1ea5t y\u00eau c\u1ea7u; c\u00e1c g\u00f3i chip c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p \u0111\u1ec3 t\u1ea1o ra LED c\u00f4ng su\u1ea5t cao 1 W, 2 W, 3 W. Cu\u1ed1i c\u00f9ng, m\u1ed9t v\u1eadt li\u1ec7u c\u00f3 ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1 cao \u0111\u01b0\u1ee3c \u0111\u00fac ho\u1eb7c phun l\u00ean c\u00e1c LED theo thi\u1ebft k\u1ebf quang h\u1ecdc.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c lo\u1ea1i kim lo\u1ea1i nh\u00f4m c\u01a1 b\u1ea3n<\/h2>\n\n\n\n<p>C\u00e1c series nh\u00f4m th\u00f4ng d\u1ee5ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m v\u1eadt li\u1ec7u n\u1ec1n bao g\u1ed3m series 1000, 5000 v\u00e0 6000:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>D\u00f2ng 1000<\/strong>V\u00ed d\u1ee5 1050, 1060, 1070. \u0110\u00e2y l\u00e0 c\u00e1c h\u1ee3p kim nh\u00f4m g\u1ea7n nh\u01b0 tinh khi\u1ebft (\u2265 99,1% Al). Ch\u00fang d\u1ec5 s\u1ea3n xu\u1ea5t v\u00e0 c\u00f3 chi ph\u00ed th\u1ea5p. \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ng\u00e0nh c\u00f4ng nghi\u1ec7p n\u00f3i chung.<\/li>\n\n\n\n<li><strong>D\u00f2ng 5000<\/strong>V\u00ed d\u1ee5: 5052, 5005, 5083, 5A05. \u0110\u00e2y l\u00e0 c\u00e1c h\u1ee3p kim nh\u00f4m-magie (Mg ~3\u20135%). Ch\u00fang c\u00f3 m\u1eadt \u0111\u1ed9 th\u1ea5p, \u0111\u1ed9 b\u1ec1n k\u00e9o cao v\u00e0 \u0111\u1ed9 d\u1ebbo t\u1ed1t. Tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9 h\u01a1n cho c\u00f9ng m\u1ed9t di\u1ec7n t\u00edch. \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh h\u00e0ng kh\u00f4ng (b\u00ecnh ch\u1ee9a nhi\u00ean li\u1ec7u) v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p chung.<\/li>\n\n\n\n<li><strong>D\u00f2ng 6000<\/strong>V\u00ed d\u1ee5 6061. Ch\u1ee9a Mg v\u00e0 Si, d\u00f2ng n\u00e0y k\u1ebft h\u1ee3p c\u00e1c \u01b0u \u0111i\u1ec3m c\u1ee7a d\u00f2ng 4000 v\u00e0 5000. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd nhi\u1ec7t, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t, t\u00ednh gia c\u00f4ng v\u00e0 ph\u1ee7 b\u1ec1 m\u1eb7t t\u1ed1t, \u0111\u1ed9 b\u1ec1n cao. \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c b\u1ed9 ph\u1eadn m\u00e1y bay, b\u1ed9 ph\u1eadn m\u00e1y \u1ea3nh, b\u1ed9 n\u1ed1i, ph\u1ee5 t\u00f9ng t\u00e0u th\u1ee7y, ph\u1ee5 ki\u1ec7n kim lo\u1ea1i, b\u1ed9 ph\u1eadn \u0111i\u1ec7n t\u1eed v\u00e0 b\u1ed9 k\u1ebft n\u1ed1i.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">B\u1ea3ng m\u1ea1ch nh\u00f4m LED so v\u1edbi b\u1ea3ng m\u1ea1ch nh\u00f4m PCB<\/h2>\n\n\n\n<p>C\u00e1c t\u1ea5m n\u1ec1n nh\u00f4m LED \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf chuy\u00ean d\u1ee5ng cho ng\u00e0nh c\u00f4ng nghi\u1ec7p LED v\u00e0 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c h\u1ec7 th\u1ed1ng t\u1ea3n nhi\u1ec7t. Ch\u00fang c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao, \u0111i\u1ec7n tr\u1edf nhi\u1ec7t th\u1ea5p, tu\u1ed5i th\u1ecd d\u00e0i v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111i\u1ec7n \u00e1p t\u1ed1t. C\u00e1c t\u1ea5m n\u1ec1n nh\u00f4m LED \u0111\u00e3 m\u1edf r\u1ed9ng \u1ee9ng d\u1ee5ng c\u1ee7a LED trong c\u00e1c l\u0129nh v\u1ef1c nh\u01b0 \u0111\u00e8n ch\u1ec9 b\u00e1o tr\u00ean thi\u1ebft b\u1ecb gia d\u1ee5ng, \u0111\u00e8n pha \u00f4 t\u00f4, \u0111\u00e8n \u0111\u01b0\u1eddng v\u00e0 bi\u1ec3n qu\u1ea3ng c\u00e1o ngo\u00e0i tr\u1eddi c\u1ee1 l\u1edbn.<\/p>\n\n\n\n<p>\u0110\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a b\u1ea3ng nh\u00f4m LED ph\u1ee5 thu\u1ed9c ch\u1ee7 y\u1ebfu v\u00e0o v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n \u1edf gi\u1eefa (th\u01b0\u1eddng l\u00e0 polymer d\u1eabn nhi\u1ec7t ho\u1eb7c keo d\u00e1n nhi\u1ec7t). \u0110\u1ed9 d\u1eabn nhi\u1ec7t, \u0111i\u1ec7n tr\u1edf nhi\u1ec7t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111i\u1ec7n \u00e1p l\u00e0 ba ti\u00eau ch\u00ed ch\u1ea5t l\u01b0\u1ee3ng ch\u00ednh. Sau khi \u00e9p laminate, \u0111\u1ed9 d\u1eabn nhi\u1ec7t \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng c\u00e1c thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng. V\u1eadt li\u1ec7u g\u1ed1m v\u00e0 \u0111\u1ed3ng c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao h\u01a1n, nh\u01b0ng gi\u1edbi h\u1ea1n chi ph\u00ed khi\u1ebfn h\u1ea7u h\u1ebft c\u00e1c th\u1ecb tr\u01b0\u1eddng ph\u1ea3i s\u1eed d\u1ee5ng b\u1ea3ng nh\u00f4m l\u00e0m n\u1ec1n. C\u00e1c gi\u00e1 tr\u1ecb \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao h\u01a1n th\u01b0\u1eddng \u0111\u1ed3ng ngh\u0129a v\u1edbi hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n.<\/p>\n\n\n\n<p>M\u1ed9t b\u1ea3ng m\u1ea1ch in (PCB) c\u00f3 ch\u1ea5t li\u1ec7u n\u1ec1n l\u00e0 h\u1ee3p kim nh\u00f4m thay v\u00ec FR-4 (s\u1ee3i th\u1ee7y tinh-epoxy).<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"374\" height=\"500\" src=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/led-pcb-1.webp\" alt=\"led pcb\" class=\"wp-image-4631\" srcset=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/led-pcb-1.webp 374w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/led-pcb-1-224x300.webp 224w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/led-pcb-1-9x12.webp 9w\" sizes=\"(max-width: 374px) 100vw, 374px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Gi\u00e1 c\u1ee7a t\u1ea5m n\u1ec1n nh\u00f4m<\/h2>\n\n\n\n<p>V\u1edbi s\u1ef1 c\u1ea3i ti\u1ebfn trong c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t v\u00e0 thi\u1ebft b\u1ecb, gi\u00e1 c\u1ee7a c\u00e1c t\u1ea5m n\u1ec1n nh\u00f4m \u0111\u00e3 tr\u1edf n\u00ean h\u1ee3p l\u00fd h\u01a1n. C\u00e1c nh\u00e0 cung c\u1ea5p th\u01b0\u1eddng kh\u00f4ng c\u00f4ng b\u1ed1 gi\u00e1 c\u00f4ng khai. Vui l\u00f2ng li\u00ean h\u1ec7 v\u1edbi nh\u00e0 cung c\u1ea5p (v\u00ed d\u1ee5: Yifang Electronics) \u0111\u1ec3 nh\u1eadn b\u00e1o gi\u00e1 c\u1ee5 th\u1ec3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Th\u1eddi gian s\u1ea3n xu\u1ea5t cho c\u00e1c t\u1ea5m nh\u00f4m<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">(A) Ghi ch\u00fa l\u1eadp k\u1ebf ho\u1ea1ch \u0111\u01a1n h\u00e0ng<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Th\u1eddi gian s\u1ea3n xu\u1ea5t: Thi\u1ebft k\u1ebf m\u1eabu 3\u20135 ng\u00e0y; s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t 5\u20137 ng\u00e0y.<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng: X\u00e1c \u0111\u1ecbnh chi ti\u1ebft c\u1ee7a kh\u00e1ch h\u00e0ng (k\u00edch th\u01b0\u1edbc, \u0111\u1ed9 d\u00e0y, quy tr\u00ecnh, h\u00f3a \u0111\u01a1n, v\u1eadn chuy\u1ec3n, y\u00eau c\u1ea7u \u0111\u1eb7c bi\u1ec7t).<\/li>\n\n\n\n<li>K\u1ebf ho\u1ea1ch h\u1ee3p t\u00e1c: X\u00e1c nh\u1eadn xem c\u00f3 \u0111\u01a1n \u0111\u1eb7t h\u00e0ng ti\u1ebfp theo v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn ho\u1eb7c h\u1ee3p t\u00e1c l\u00e2u d\u00e0i hay kh\u00f4ng.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">(B) C\u00e1c c\u00e1ch \u0111\u1ec3 r\u00fat ng\u1eafn th\u1eddi gian ch\u1edd \u0111\u1ee3i k\u00e9o d\u00e0i<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Lu\u00f4n c\u00f3 s\u1eb5n kho d\u1ef1 tr\u1eef c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u n\u1ec1n nh\u00f4m th\u00f4ng d\u1ee5ng.<\/li>\n\n\n\n<li>Th\u00eam ca ng\u00e0y v\u00e0 ca \u0111\u00eam \u0111\u1ec3 t\u0103ng t\u1ed1c s\u1ea3n xu\u1ea5t.<\/li>\n\n\n\n<li>Th\u01b0\u01a1ng l\u01b0\u1ee3ng v\u1edbi kh\u00e1ch h\u00e0ng v\u1ec1 c\u00e1c ng\u00e0y giao h\u00e0ng \u0111\u00e3 \u0111i\u1ec1u ch\u1ec9nh.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">V\u1eadt li\u1ec7u n\u1ec1n nh\u00f4m c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao v\u00e0 \u0111\u1ed9 d\u1eabn nhi\u1ec7t<\/h2>\n\n\n\n<p>\u0110\u1ed9 d\u1eabn nhi\u1ec7t l\u00e0 th\u00f4ng s\u1ed1 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi qu\u00e1 tr\u00ecnh t\u1ea3n nhi\u1ec7t v\u00e0 l\u00e0 m\u1ed9t trong ba ti\u00eau ch\u00ed ch\u1ea5t l\u01b0\u1ee3ng ch\u00ednh (hai ti\u00eau ch\u00ed c\u00f2n l\u1ea1i l\u00e0 \u0111i\u1ec7n tr\u1edf nhi\u1ec7t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111i\u1ec7n \u00e1p). \u0110\u1ed9 d\u1eabn nhi\u1ec7t \u0111\u01b0\u1ee3c \u0111o sau qu\u00e1 tr\u00ecnh \u00e9p laminate. G\u1ed1m v\u00e0 \u0111\u1ed3ng c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao h\u01a1n, nh\u01b0ng chi ph\u00ed khi\u1ebfn nh\u00f4m tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u ch\u1ee7 \u0111\u1ea1o. \u0110\u1ed9 d\u1eabn nhi\u1ec7t l\u00e0 th\u00f4ng s\u1ed1 c\u1ed1t l\u00f5i; gi\u00e1 tr\u1ecb cao h\u01a1n th\u01b0\u1eddng \u0111\u1ed3ng ngh\u0129a v\u1edbi hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n.<\/p>\n\n\n\n<p>V\u1eadt li\u1ec7u n\u1ec1n nh\u00f4m k\u1ebft h\u1ee3p c\u00e1c t\u00ednh ch\u1ea5t c\u00e1ch nhi\u1ec7t t\u1ed1t, c\u00e1ch \u0111i\u1ec7n v\u00e0 kh\u1ea3 n\u0103ng gia c\u00f4ng c\u01a1 kh\u00ed. Ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong thi\u1ebft k\u1ebf LED v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed kh\u00e1c. Thi\u1ebft k\u1ebf nhi\u1ec7t cho LED th\u01b0\u1eddng s\u1eed d\u1ee5ng m\u00f4 ph\u1ecfng CFD (d\u00f2ng ch\u1ea3y \u0111\u1ed9ng l\u1ef1c h\u1ecdc t\u00ednh to\u00e1n) v\u00e0 c\u00e1c t\u00ednh to\u00e1n nhi\u1ec7t c\u01a1 b\u1ea3n, nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t v\u1eadt li\u1ec7u n\u1ec1n.<\/p>\n\n\n\n<p>Kh\u00e1ng l\u1ef1c d\u00f2ng ch\u1ea3y (kh\u00e1ng l\u1ef1c th\u1ee7y l\u1ef1c) l\u00e0 do \u0111\u1ed9 nh\u1edbt c\u1ee7a ch\u1ea5t l\u1ecfng v\u00e0 c\u00e1c b\u1ec1 m\u1eb7t r\u1eafn. N\u00f3 bao g\u1ed3m kh\u00e1ng l\u1ef1c ma s\u00e1t d\u1ecdc theo \u0111\u01b0\u1eddng d\u00f2ng ch\u1ea3y v\u00e0 kh\u00e1ng l\u1ef1c c\u1ee5c b\u1ed9 t\u1ea1i c\u00e1c \u0111i\u1ec3m thay \u0111\u1ed5i \u0111\u1ed9t ng\u1ed9t (thay \u0111\u1ed5i di\u1ec7n t\u00edch \u0111\u1ed9t ng\u1ed9t, g\u00f3c cong).<\/p>\n\n\n\n<p>C\u00e1c b\u01b0\u1edbc thi\u1ebft k\u1ebf t\u1ea3n nhi\u1ec7t LED th\u00f4ng th\u01b0\u1eddng:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac t\u1ea3n nhi\u1ec7t trong \u0111i\u1ec1u ki\u1ec7n h\u1ea1n ch\u1ebf.<\/li>\n\n\n\n<li>T\u1ed1i \u01b0u h\u00f3a \u0111\u1ed9 d\u00e0y c\u00e1nh t\u1ea3n nhi\u1ec7t, h\u00ecnh d\u1ea1ng c\u00e1nh t\u1ea3n nhi\u1ec7t, kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c c\u00e1nh t\u1ea3n nhi\u1ec7t v\u00e0 \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u n\u1ec1n theo quy t\u1eafc thi\u1ebft k\u1ebf t\u1ea3n nhi\u1ec7t.<\/li>\n\n\n\n<li>Ki\u1ec3m tra c\u00e1c t\u00ednh to\u00e1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t l\u00e0m m\u00e1t \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c m\u1ee5c ti\u00eau \u0111\u1ec1 ra.<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/double-sided-aluminum-substrate-1.webp\" alt=\"\" class=\"wp-image-4630\" srcset=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/double-sided-aluminum-substrate-1.webp 500w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/double-sided-aluminum-substrate-1-300x300.webp 300w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/double-sided-aluminum-substrate-1-150x150.webp 150w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/01\/double-sided-aluminum-substrate-1-12x12.webp 12w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Thi\u1ebft k\u1ebf nhi\u1ec7t cho c\u00e1c t\u1ea5m n\u1ec1n nh\u00f4m<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">(A) T\u1ea1i sao Thi\u1ebft k\u1ebf Nhi\u1ec7t l\u00e0 C\u1ea7n Thi\u1ebft<\/h3>\n\n\n\n<p>Nhi\u1ec7t \u0111\u1ed9 cao g\u00e2y h\u1ea1i cho thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed: l\u1edbp c\u00e1ch \u0111i\u1ec7n b\u1ecb h\u01b0 h\u1ecfng, c\u00e1c linh ki\u1ec7n b\u1ecb h\u1ecfng, v\u1eadt li\u1ec7u b\u1ecb l\u00e3o h\u00f3a, c\u00e1c m\u1ed1i h\u00e0n c\u00f3 nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y th\u1ea5p b\u1ecb n\u1ee9t v\u00e0 c\u00e1c m\u1ed1i h\u00e0n b\u1ecb bong ra.<\/p>\n\n\n\n<p>\u1ea2nh h\u01b0\u1edfng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed1i v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n l\u00e0m gi\u1ea3m gi\u00e1 tr\u1ecb \u0111i\u1ec7n tr\u1edf.<\/li>\n\n\n\n<li>Nhi\u1ec7t \u0111\u1ed9 cao l\u00e0m gi\u1ea3m tu\u1ed5i th\u1ecd c\u1ee7a t\u1ee5 \u0111i\u1ec7n.<\/li>\n\n\n\n<li>Nhi\u1ec7t \u0111\u1ed9 cao l\u00e0m h\u1ecfng c\u00e1ch \u0111i\u1ec7n c\u1ee7a bi\u1ebfn \u00e1p v\u00e0 cu\u1ed9n c\u1ea3m; nhi\u1ec7t \u0111\u1ed9 cho ph\u00e9p th\u01b0\u1eddng &lt; 95 \u00b0C.<\/li>\n\n\n\n<li>S\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 qu\u00e1 m\u1ee9c l\u00e0m h\u00ecnh th\u00e0nh c\u00e1c h\u1ee3p ch\u1ea5t kim lo\u1ea1i gi\u1eefa c\u00e1c kim lo\u1ea1i (IMC), khi\u1ebfn c\u00e1c m\u1ed1i h\u00e0n tr\u1edf n\u00ean gi\u00f2n v\u00e0 y\u1ebfu h\u01a1n.<\/li>\n\n\n\n<li>Nhi\u1ec7t \u0111\u1ed9 ti\u1ebfp \u0111i\u1ec3m cao h\u01a1n (Tj) l\u00e0m t\u0103ng h\u1ec7 s\u1ed1 khu\u1ebfch \u0111\u1ea1i c\u1ee7a transistor, l\u00e0m t\u0103ng d\u00f2ng \u0111i\u1ec7n thu v\u00e0 ti\u1ebfp t\u1ee5c l\u00e0m t\u0103ng Tj, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u1ecfng h\u00f3c.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">(B) M\u1ee5c ti\u00eau c\u1ee7a Thi\u1ebft k\u1ebf Nhi\u1ec7t<\/h3>\n\n\n\n<p>Gi\u1eef t\u1ea5t c\u1ea3 c\u00e1c th\u00e0nh ph\u1ea7n \u1edf nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 nhi\u1ec7t \u0111\u1ed9 \u0111\u1ecbnh m\u1ee9c t\u1ed1i \u0111a trong m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c d\u1ef1 ki\u1ebfn. Nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a cho ph\u00e9p \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh th\u00f4ng qua ph\u00e2n t\u00edch \u1ee9ng su\u1ea5t v\u00e0 ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c ti\u00eau \u0111\u1ed9 tin c\u1eady c\u1ee7a s\u1ea3n ph\u1ea9m v\u00e0 t\u1ef7 l\u1ec7 h\u1ecfng h\u00f3c \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh cho t\u1eebng th\u00e0nh ph\u1ea7n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(C) Gi\u1ea3i ph\u00e1p cho c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 nhi\u1ec7t<\/h3>\n\n\n\n<p>Nhi\u1ec7t \u0111\u1ed9 LED l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 nan gi\u1ea3i. C\u00e1c t\u1ea5m n\u1ec1n nh\u00f4m, v\u1edbi \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao, c\u00f3 th\u1ec3 t\u1ea3n nhi\u1ec7t hi\u1ec7u qu\u1ea3. Thi\u1ebft k\u1ebf n\u00ean \u0111\u1eb7t PCB g\u1ea7n t\u1ea5m n\u1ec1n nh\u00f4m v\u00e0 gi\u1ea3m kh\u00e1ng nhi\u1ec7t t\u1eeb v\u1eadt li\u1ec7u \u0111\u00fac ho\u1eb7c bao b\u1ecdc.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">S\u1eeda ch\u1eefa v\u00e0 b\u1ea3o tr\u00ec b\u1ea3ng m\u1ea1ch in nh\u00f4m (PCB)<\/h2>\n\n\n\n<p>C\u00e1c b\u01b0\u1edbc s\u1eeda ch\u1eefa th\u00f4ng th\u01b0\u1eddng cho k\u1ef9 thu\u1eadt vi\u00ean m\u1ea1ch in (PCB):<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Ph\u00e2n t\u00edch l\u1ed7i<\/strong>X\u00e1c \u0111\u1ecbnh v\u00e0 thu h\u1eb9p ph\u1ea1m vi l\u1ed7i c\u1ee7a b\u1ea3ng m\u1ea1ch.<\/li>\n\n\n\n<li><strong>Ki\u1ec3m tra b\u1eb1ng m\u1eaft th\u01b0\u1eddng<\/strong>Nghi\u00ean c\u1ee9u c\u00e1c y\u1ebfu t\u1ed1 \u0111\u1ea7u v\u00e0o\/\u0111\u1ea7u ra, ch\u1ee9c n\u0103ng v\u00e0 v\u00f9ng \u0111i\u1ec1u khi\u1ec3n.<\/li>\n\n\n\n<li><strong>Ki\u1ec3m tra m\u1ea1ch<\/strong>Th\u1ef1c hi\u1ec7n c\u00e1c ki\u1ec3m tra ban \u0111\u1ea7u \u0111\u1ec3 lo\u1ea1i tr\u1eeb c\u00e1c l\u1ed7i chung v\u00e0 h\u01b0\u1edbng d\u1eabn vi\u1ec7c s\u1eeda ch\u1eefa.<\/li>\n\n\n\n<li><strong>Ki\u1ec3m tra th\u00e0nh ph\u1ea7n<\/strong>Th\u01b0\u1eddng xuy\u00ean th\u00e1o h\u00e0n c\u00e1c linh ki\u1ec7n v\u00e0 ki\u1ec3m tra ch\u00fang b\u1eb1ng thi\u1ebft b\u1ecb; vi\u1ec7c n\u00e0y c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng b\u1ec1 m\u1eb7t b\u00ean ngo\u00e0i c\u1ee7a bo m\u1ea1ch, do \u0111\u00f3 k\u1ef9 thu\u1eadt vi\u00ean tr\u00e1nh th\u00e1o g\u1ee1 kh\u00f4ng c\u1ea7n thi\u1ebft.<\/li>\n\n\n\n<li><strong>S\u1eeda ch\u1eefa s\u1ef1 c\u1ed1<\/strong>S\u1eeda ch\u1eefa c\u00e1c v\u1ebft h\u01b0 h\u1ecfng, thay th\u1ebf c\u00e1c b\u1ed9 ph\u1eadn ho\u1eb7c \u0111i\u1ec1u ch\u1ec9nh m\u1ea1ch \u0111i\u1ec7n.<\/li>\n\n\n\n<li><strong>Ki\u1ec3m tra ch\u1ee9c n\u0103ng<\/strong>Ki\u1ec3m tra bo m\u1ea1ch \u0111\u00e3 s\u1eeda ch\u1eefa v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c b\u00e0i ki\u1ec3m tra h\u1ec7 th\u1ed1ng sau khi \u0111\u00e3 v\u01b0\u1ee3t qua c\u00e1c ki\u1ec3m tra \u0111i\u1ec7n.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">X\u1eed l\u00fd ch\u1ea5t th\u1ea3i cho c\u00e1c v\u1eadt li\u1ec7u n\u1ec1n nh\u00f4m<\/h2>\n\n\n\n<p>PCBs \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb s\u1ee3i th\u1ee7y tinh, epoxy v\u00e0 nhi\u1ec1u h\u1ee3p ch\u1ea5t kim lo\u1ea1i. Vi\u1ec7c x\u1eed l\u00fd kh\u00f4ng \u0111\u00fang c\u00e1ch c\u00e1c b\u1ea3ng nh\u00f4m \u0111\u00e3 qua s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 gi\u1ea3i ph\u00f3ng c\u00e1c ch\u1ea5t ch\u1ed1ng ch\u00e1y brom h\u00f3a v\u00e0 c\u00e1c ch\u1ea5t g\u00e2y ung th\u01b0 kh\u00e1c, g\u00e2y \u00f4 nhi\u1ec5m nghi\u00eam tr\u1ecdng v\u00e0 nguy c\u01a1 s\u1ee9c kh\u1ecfe. \u0110\u1ed3ng th\u1eddi, c\u00e1c b\u1ea3ng m\u1ea1ch th\u1ea3i c\u00f3 gi\u00e1 tr\u1ecb kinh t\u1ebf cao: h\u00e0m l\u01b0\u1ee3ng kim lo\u1ea1i c\u00f3 th\u1ec3 g\u1ea5p nhi\u1ec1u l\u1ea7n so v\u1edbi qu\u1eb7ng t\u1ef1 nhi\u00ean. H\u00e0m l\u01b0\u1ee3ng kim lo\u1ea1i c\u00f3 th\u1ec3 \u0111\u1ea1t 10\u201360%, ch\u1ee7 y\u1ebfu l\u00e0 \u0111\u1ed3ng, c\u00f9ng v\u1edbi v\u00e0ng, b\u1ea1c, niken, thi\u1ebfc, ch\u00ec v\u00e0 c\u00e1c kim lo\u1ea1i hi\u1ebfm. H\u00e0m l\u01b0\u1ee3ng kim lo\u1ea1i trong qu\u1eb7ng t\u1ef1 nhi\u00ean ch\u1ec9 kho\u1ea3ng 3\u20135%.<\/p>\n\n\n\n<p>C\u00e1c nghi\u00ean c\u1ee9u cho th\u1ea5y 1 t\u1ea5n linh ki\u1ec7n m\u00e1y t\u00ednh c\u00f3 th\u1ec3 ch\u1ee9a kho\u1ea3ng 0,9 kg v\u00e0ng, 270 kg nh\u1ef1a, 128,7 kg \u0111\u1ed3ng, 1 kg s\u1eaft, 58,5 kg ch\u00ec, 39,6 kg thi\u1ebfc, 36 kg niken, 19,8 kg antimon, c\u00f9ng v\u1edbi palladium v\u00e0 platinum. Do \u0111\u00f3, r\u00e1c th\u1ea3i PCB \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cm\u1ecf c\u1ea7n khai th\u00e1c\u201d.\u201d<\/p>\n\n\n\n<p>C\u00e1c cu\u1ed9c \u0111i\u1ec1u tra cho th\u1ea5y ph\u1ea7n l\u1edbn ch\u1ea5t th\u1ea3i PCB v\u00e0 ph\u1ebf li\u1ec7u khung \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n \u0111\u1ebfn c\u00e1c khu v\u1ef1c xa x\u00f4i \u0111\u1ec3 \u0111\u1ed1t ho\u1eb7c x\u1eed l\u00fd b\u1eb1ng n\u01b0\u1edbc, g\u00e2y ra \u00f4 nhi\u1ec5m th\u1ee9 c\u1ea5p nghi\u00eam tr\u1ecdng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y t\u1ea1o ra m\u00f9i h\u00f4i n\u1ed3ng n\u1eb7c v\u00e0 c\u00e1c h\u1ee3p ch\u1ea5t brom h\u00f3a \u0111\u1ed9c h\u1ea1i. \u0110i\u1ec1u n\u00e0y b\u1ecb c\u1ea5m b\u1edfi c\u00e1c c\u01a1 quan qu\u1ea3n l\u00fd m\u00f4i tr\u01b0\u1eddng, nh\u01b0ng v\u1eabn x\u1ea3y ra \u1edf c\u00e1c khu v\u1ef1c h\u1ebbo l\u00e1nh.<\/li>\n\n\n\n<li>R\u1eeda b\u1eb1ng n\u01b0\u1edbc l\u00e0 ph\u01b0\u01a1ng ph\u00e1p r\u1ebb ti\u1ec1n, \u0111\u01a1n gi\u1ea3n v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y t\u1ea1o ra m\u1ed9t l\u01b0\u1ee3ng l\u1edbn ch\u1ea5t th\u1ea3i (kh\u00f4ng ch\u1ee9a kim lo\u1ea1i, kho\u1ea3ng 80% tr\u1ecdng l\u01b0\u1ee3ng b\u1ea3ng). Ch\u1ea5t th\u1ea3i n\u00e0y kh\u00f3 x\u1eed l\u00fd, v\u00e0 nhi\u1ec1u c\u00f4ng ty th\u1ea3i n\u00f3 nh\u01b0 r\u00e1c th\u1ea3i th\u00f4ng th\u01b0\u1eddng.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng v\u00e0 T\u00ednh n\u0103ng c\u1ee7a V\u1eadt li\u1ec7u n\u1ec1n nh\u00f4m<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">(A) T\u00ednh n\u0103ng c\u1ee7a \u1ee9ng d\u1ee5ng<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u1ed9 d\u1eabn nhi\u1ec7t xu\u1ea5t s\u1eafc.<\/li>\n\n\n\n<li>M\u1eb7t \u0111\u1ed3ng \u0111\u01a1n ngh\u0129a l\u00e0 c\u00e1c linh ki\u1ec7n ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean m\u1eb7t \u0111\u1ed3ng.<\/li>\n\n\n\n<li>Kh\u00f4ng th\u1ec3 m\u1edf c\u00e1c l\u1ed7 d\u00e2y nh\u01b0 tr\u00ean b\u1ea3ng m\u1ea1ch m\u1ed9t m\u1eb7t cho c\u00e1c c\u1ea7u n\u1ed1i.<\/li>\n\n\n\n<li>Th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c thi\u1ebft b\u1ecb g\u1eafn b\u1ec1 m\u1eb7t; c\u00e1c thi\u1ebft b\u1ecb ch\u1ec9nh l\u01b0u ho\u1eb7c thi\u1ebft b\u1ecb c\u00f4ng su\u1ea5t t\u1ea3n nhi\u1ec7t qua \u0111\u1ebf, mang l\u1ea1i \u0111\u1ed9 kh\u00e1ng nhi\u1ec7t th\u1ea5p v\u00e0 \u0111\u1ed9 tin c\u1eady cao.<\/li>\n\n\n\n<li>Bi\u1ebfn \u00e1p c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c h\u00ecnh d\u1ea1ng SMD ph\u1eb3ng v\u00e0 t\u1ea3n nhi\u1ec7t qua \u0111\u1ebf, gi\u00fap gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 t\u0103ng v\u00e0 t\u0103ng c\u00f4ng su\u1ea5t \u0111\u1ea7u ra cho c\u00f9ng k\u00edch th\u01b0\u1edbc.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">(B) Ghi ch\u00fa v\u1ec1 h\u00e0n tay<\/h3>\n\n\n\n<p>V\u00ec c\u00e1c v\u1eadt li\u1ec7u n\u1ec1n nh\u00f4m d\u1eabn nhi\u1ec7t t\u1ed1t, vi\u1ec7c h\u00e0n tay quy m\u00f4 nh\u1ecf c\u00f3 th\u1ec3 l\u00e0m ngu\u1ed9i ch\u00ec h\u00e0n qu\u00e1 nhanh v\u00e0 g\u00e2y ra v\u1ea5n \u0111\u1ec1. M\u1eb9o th\u1ef1c t\u1ebf:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>S\u1eed d\u1ee5ng b\u00e0n \u1ee7i gia \u0111\u00ecnh c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9. L\u1eadt b\u00e0n \u1ee7i sao cho m\u1eb7t ph\u1eb3ng h\u01b0\u1edbng l\u00ean tr\u00ean v\u00e0 c\u1ed1 \u0111\u1ecbnh n\u00f3.<\/li>\n\n\n\n<li>\u0110\u1eb7t nhi\u1ec7t \u0111\u1ed9 g\u1ea7n 150 \u00b0C v\u00e0 l\u00e0m n\u00f3ng t\u1ea5m nh\u00f4m trong th\u1eddi gian ng\u1eafn.<\/li>\n\n\n\n<li>Sau \u0111\u00f3, \u0111\u1eb7t v\u00e0 h\u00e0n c\u00e1c linh ki\u1ec7n nh\u01b0 b\u00ecnh th\u01b0\u1eddng. S\u1eed d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 ph\u00f9 h\u1ee3p \u0111\u1ec3 vi\u1ec7c h\u00e0n d\u1ec5 d\u00e0ng h\u01a1n \u2014 nhi\u1ec7t \u0111\u1ed9 qu\u00e1 cao c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng linh ki\u1ec7n ho\u1eb7c l\u00e0m bong tr\u00f3c \u0111\u1ed3ng, nhi\u1ec7t \u0111\u1ed9 qu\u00e1 th\u1ea5p s\u1ebd cho ra c\u00e1c m\u1ed1i h\u00e0n k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng. \u0110i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 khi c\u1ea7n thi\u1ebft.<\/li>\n<\/ol>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>What is an Aluminum Substrate? An aluminum substrate is a metal-core copper-clad board with good heat dissipation. A typical single-sided [&hellip;]<\/p>","protected":false},"author":1,"featured_media":4629,"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":"","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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