{"id":4895,"date":"2026-05-08T08:57:27","date_gmt":"2026-05-08T08:57:27","guid":{"rendered":"https:\/\/flj-pcb.com\/?p=4895"},"modified":"2026-05-08T08:57:30","modified_gmt":"2026-05-08T08:57:30","slug":"what-is-a-pcb-board","status":"publish","type":"post","link":"https:\/\/flj-pcb.com\/vi\/what-is-a-pcb-board\/","title":{"rendered":"B\u1ea3ng m\u1ea1ch in l\u00e0 g\u00ec?"},"content":{"rendered":"<p>N\u1ebfu b\u1ea1n t\u1eebng s\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 k\u1ef9 thu\u1eadt s\u1ed1, m\u00e1y t\u00ednh, \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa tivi, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn, m\u00e1y t\u00ednh x\u00e1ch tay hay th\u1eadm ch\u00ed l\u00e0 \u0111\u1ed3 ch\u01a1i tr\u1ebb em, th\u00ec b\u1ea1n \u0111\u00e3 t\u1eebng s\u1eed d\u1ee5ng PCB r\u1ed3i. Th\u01b0\u1eddng th\u00ec l\u00e0 nhi\u1ec1u PCB.<\/p>\n\n\n\n<p>\u1ede m\u1ee9c \u0111\u1ed9 c\u01a1 b\u1ea3n nh\u1ea5t, m\u1ed9t b\u1ea3ng m\u1ea1ch in (PCB) l\u00e0 m\u1ed9t t\u1ea5m b\u1ea3ng c\u00e1ch \u0111i\u1ec7n c\u00f3 c\u00e1c \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ed3ng d\u1eabn \u0111i\u1ec7n gi\u00fap k\u1ebft n\u1ed1i c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed v\u1edbi nhau. C\u00e1c \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ed3ng n\u00e0y d\u1eabn d\u00f2ng \u0111i\u1ec7n v\u00e0 t\u00edn hi\u1ec7u \u0111\u1ebfn \u0111\u00fang v\u1ecb tr\u00ed c\u1ea7n thi\u1ebft, \u0111\u1ed3ng th\u1eddi b\u1ea3ng m\u1ea1ch c\u0169ng gi\u1eef m\u1ecdi th\u1ee9 c\u1ed1 \u0111\u1ecbnh v\u1ec1 m\u1eb7t c\u01a1 h\u1ecdc, nh\u1edd \u0111\u00f3 m\u1ea1ch \u0111i\u1ec7n kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t m\u1edb d\u00e2y l\u1ecfng l\u1ebbo d\u1ec5 v\u1ee1.<\/p>\n\n\n\n<p>V\u00e0 \u0111\u00fang v\u1eady, m\u1ecdi ng\u01b0\u1eddi v\u1eabn th\u01b0\u1eddng g\u1ecdi l\u00e0 \u201cb\u1ea3ng m\u1ea1ch PCB\u201d d\u00f9 c\u00e1ch g\u1ecdi n\u00e0y c\u00f3 ph\u1ea7n th\u1eeba th\u00e3i (ch\u1eef B v\u1ed1n \u0111\u00e3 c\u00f3 ngh\u0129a l\u00e0 \u201cb\u1ea3ng\u201d). Tuy nhi\u00ean, v\u00ec \u0111\u00e2y l\u00e0 c\u00e1ch g\u1ecdi ph\u1ed5 bi\u1ebfn n\u00ean ch\u00fang ta c\u1ee9 d\u00f9ng nh\u01b0 v\u1eady.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-0-a-pcb-in-plain-english\">M\u1ea1ch in (PCB) \u2013 Gi\u1ea3i th\u00edch b\u1eb1ng ng\u00f4n ng\u1eef d\u1ec5 hi\u1ec3u<\/h2>\n\n\n\n<p>H\u00e3y h\u00ecnh dung m\u1ed9t b\u1ea3ng m\u1ea1ch in (PCB) gi\u1ed1ng nh\u01b0 m\u1ed9t b\u1ea3n \u0111\u1ed3 th\u00e0nh ph\u1ed1 d\u00e0nh cho h\u1ec7 th\u1ed1ng \u0111i\u1ec7n.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The <strong>c\u00e1c th\u00e0nh ph\u1ea7n<\/strong> (vi m\u1ea1ch, \u0111i\u1ec7n tr\u1edf, t\u1ee5 \u0111i\u1ec7n, \u0111\u1ea7u n\u1ed1i) ch\u00ednh l\u00e0 nh\u1eefng t\u00f2a nh\u00e0.<\/li>\n\n\n\n<li>The <strong>\u0111\u01b0\u1eddng m\u1ea1ch \u0111\u1ed3ng<\/strong> \u0111\u00f3 l\u00e0 nh\u1eefng con \u0111\u01b0\u1eddng.<\/li>\n\n\n\n<li>The <strong>mi\u1ebfng l\u00f3t<\/strong> l\u00e0 nh\u1eefng khu v\u1ef1c n\u01a1i c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c h\u00e0n.<\/li>\n\n\n\n<li>The <strong>vias<\/strong> l\u00e0 c\u00e1c thang m\u00e1y truy\u1ec1n t\u00edn hi\u1ec7u t\u1eeb t\u1ea7ng n\u00e0y sang t\u1ea7ng kh\u00e1c (t\u1eeb t\u1ea7ng n\u00e0y sang t\u1ea7ng kh\u00e1c).<\/li>\n<\/ul>\n\n\n\n<p>M\u1ed7i \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ed3ng \u0111\u1ec1u r\u1ea5t quan tr\u1ecdng. Chi\u1ec1u r\u1ed9ng, kho\u1ea3ng c\u00e1ch, chi\u1ec1u d\u00e0i, v\u1ecb tr\u00ed \u0111i qua v\u00e0 nh\u1eefng th\u00e0nh ph\u1ea7n n\u1eb1m c\u1ea1nh n\u00f3. Ch\u00ednh \u201c\u0111\u01b0\u1eddng d\u1eabn\u201d \u0111\u00f3 quy\u1ebft \u0111\u1ecbnh c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ea1ch, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi c\u00e1c thi\u1ebft k\u1ebf t\u1ed1c \u0111\u1ed9 cao ho\u1eb7c t\u1ea7n s\u1ed1 cao.<\/p>\n\n\n\n<p>V\u00ec v\u1eady, m\u1ed9t b\u1ea3ng m\u1ea1ch in (PCB) kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 \u201cm\u1ed9t v\u1eadt \u0111\u1ec3 g\u1eafn c\u00e1c linh ki\u1ec7n l\u00ean\u201d. N\u00f3 ch\u00ednh l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a m\u1ea1ch \u0111i\u1ec7n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-1-what-does-pcb-stand-for-and-what-is-pwb\">PCB l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a t\u1eeb g\u00ec (v\u00e0 PWB l\u00e0 g\u00ec)?<\/h2>\n\n\n\n<p>PCB = <strong>B\u1ea3ng m\u1ea1ch in<\/strong>.<\/p>\n\n\n\n<p>B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 nghe th\u1ea5y:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>PWB<\/strong> = <a href=\"https:\/\/en.wikipedia.org\/wiki\/Printed_wiring_board\" target=\"_blank\" rel=\"noreferrer noopener\">B\u1ea3ng m\u1ea1ch in<\/a>.<\/li>\n\n\n\n<li>M\u1ed9t s\u1ed1 ng\u01b0\u1eddi d\u00f9ng thu\u1eadt ng\u1eef n\u00e0y \u0111\u1ec3 ch\u1ec9 b\u1ea3ng m\u1ea1ch tr\u1ea7n (l\u1edbp n\u1ec1n v\u00e0 c\u00e1c \u0111\u01b0\u1eddng m\u1ea1ch \u0111\u1ed3ng) tr\u01b0\u1edbc khi l\u1eafp r\u00e1p linh ki\u1ec7n. Trong giao ti\u1ebfp h\u00e0ng ng\u00e0y, PCB v\u00e0 PWB th\u01b0\u1eddng b\u1ecb nh\u1ea7m l\u1eabn v\u1edbi nhau.<\/li>\n<\/ul>\n\n\n\n<p>V\u00e0 c\u00f2n c\u00f3 <strong>Bo m\u1ea1ch in (PCBA)<\/strong> = L\u1eafp r\u00e1p b\u1ea3ng m\u1ea1ch in (PCB) <em>sau \u0111\u00f3<\/em> c\u00e1c linh ki\u1ec7n \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t v\u00e0 h\u00e0n.<\/p>\n\n\n\n<p>Ngo\u00e0i ra, t\u00f4i xin l\u00e0m r\u00f5 m\u1ed9t ch\u00fat v\u00ec \u0111\u00e2y l\u00e0 v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng xuy\u00ean \u0111\u01b0\u1ee3c nh\u1eafc \u0111\u1ebfn.<\/p>\n\n\n\n<p>A <strong>Bo m\u1ea1ch ch\u1ee7 l\u00e0 m\u1ed9t b\u1ea3ng m\u1ea1ch in<\/strong>, nh\u01b0ng kh\u00f4ng ph\u1ea3i m\u1ecdi b\u1ea3ng m\u1ea1ch in (PCB) \u0111\u1ec1u l\u00e0 bo m\u1ea1ch ch\u1ee7. Bo m\u1ea1ch ch\u1ee7 ch\u1ec9 l\u00e0 m\u1ed9t b\u1ea3ng m\u1ea1ch in l\u1edbn v\u00e0 ph\u1ee9c t\u1ea1p, \u0111\u00f3ng vai tr\u00f2 l\u00e0 trung t\u00e2m \u0111i\u1ec1u khi\u1ec3n ch\u00ednh trong m\u00e1y t\u00ednh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-2-what-is-a-pcb-made-of\">B\u1ea3ng m\u1ea1ch in (PCB) \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb nh\u1eefng g\u00ec?<\/h2>\n\n\n\n<p>H\u1ea7u h\u1ebft c\u00e1c b\u1ea3ng m\u1ea1ch in (PCB) th\u00f4ng d\u1ee5ng \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1eeb:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>V\u1eadt li\u1ec7u n\u1ec1n (ch\u1ea5t n\u1ec1n):<\/strong> th\u01b0\u1eddng th\u00ec <a href=\"https:\/\/en.wikipedia.org\/wiki\/FR-4\" target=\"_blank\" rel=\"noreferrer noopener\">FR4 (s\u1ee3i th\u1ee7y tinh d\u1ec7t + nh\u1ef1a epoxy)<\/a>. Ch\u1eafc ch\u1eafn, \u1ed5n \u0111\u1ecbnh, gi\u00e1 r\u1ebb.<\/li>\n\n\n\n<li><strong>\u0110\u1ed3ng:<\/strong> m\u1ed9t l\u1edbp l\u00e1 \u0111\u1ed3ng m\u1ecfng \u0111\u01b0\u1ee3c d\u00e1n l\u00ean ch\u1ea5t n\u1ec1n, sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u0103n m\u00f2n \u0111\u1ec3 t\u1ea1o th\u00e0nh c\u00e1c \u0111\u01b0\u1eddng d\u1eabn.<\/li>\n\n\n\n<li><strong>L\u1edbp ph\u1ee7 ch\u1ed1ng h\u00e0n:<\/strong> l\u1edbp b\u1ea3o v\u1ec7 c\u00f3 m\u00e0u (th\u01b0\u1eddng l\u00e0 m\u00e0u xanh l\u00e1 c\u00e2y). L\u1edbp n\u00e0y gi\u00fap ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng h\u00e0n ch\u1eadp v\u00e0 b\u1ea3o v\u1ec7 \u0111\u1ed3ng kh\u1ecfi b\u1ecb \u0103n m\u00f2n.<\/li>\n\n\n\n<li><strong>In l\u1ee5a:<\/strong> ch\u1eef in v\u00e0 c\u00e1c k\u00fd hi\u1ec7u m\u00e0u tr\u1eafng (ho\u1eb7c \u0111en). Nh\u00e3n th\u00e0nh ph\u1ea7n, logo, k\u00fd hi\u1ec7u ch\u00e2n 1, c\u1ea3nh b\u00e1o, v.v.<\/li>\n\n\n\n<li><strong>B\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n:<\/strong> m\u1ed9t l\u1edbp ph\u1ee7 tr\u00ean c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac h\u1edf \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady khi h\u00e0n v\u00e0 ng\u0103n ng\u1eeba qu\u00e1 tr\u00ecnh oxy h\u00f3a. C\u00e1c l\u1ef1a ch\u1ecdn bao g\u1ed3m HASL, ENIG (v\u00e0ng), m\u1ea1 b\u1ea1c ng\u00e2m, v.v.<\/li>\n<\/ul>\n\n\n\n<p>V\u00ec v\u1eady, khi b\u1ea1n nh\u00ecn v\u00e0o m\u1ed9t b\u1ea3ng m\u1ea1ch in (PCB), th\u1ef1c ch\u1ea5t b\u1ea1n \u0111ang nh\u00ecn th\u1ea5y m\u1ed9t l\u1edbp ch\u1ed3ng c\u00e1c v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u1ea3 hai <strong>nhu c\u1ea7u v\u1ec1 \u0111i\u1ec7n<\/strong> (\u0111\u1ecbnh tuy\u1ebfn t\u00edn hi\u1ec7u, tr\u1edf kh\u00e1ng, n\u1ed1i \u0111\u1ea5t) v\u00e0 <strong>nhu c\u1ea7u v\u1ec1 m\u1eb7t c\u01a1 kh\u00ed<\/strong> (vi\u1ec7c l\u1eafp \u0111\u1eb7t, \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-3-why-pcbs-matter-so-much-more-than-people-realize\">T\u1ea1i sao PCB l\u1ea1i quan tr\u1ecdng \u0111\u1ebfn v\u1eady (h\u01a1n c\u1ea3 nh\u1eefng g\u00ec m\u1ecdi ng\u01b0\u1eddi ngh\u0129)<\/h2>\n\n\n\n<p>PCB r\u1ea5t quan tr\u1ecdng v\u00ec ch\u00fang c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n nhi\u1ec1u ch\u1ee9c n\u0103ng c\u00f9ng m\u1ed9t l\u00fac:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>K\u1ebft n\u1ed1i m\u1ea1ch:<\/strong> c\u00e1c k\u1ebft n\u1ed1i ch\u1eafc ch\u1eafn v\u00e0 \u1ed5n \u0111\u1ecbnh gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn.<\/li>\n\n\n\n<li><strong>H\u1ed7 tr\u1ee3 v\u1ec1 m\u1eb7t c\u1ea5u tr\u00fac:<\/strong> ch\u00fang gi\u1eef c\u00e1c b\u1ed9 ph\u1eadn ch\u1eafc ch\u1eafn trong m\u1ed9t c\u1ea5u tr\u00fac g\u1ecdn g\u00e0ng.<\/li>\n\n\n\n<li><strong>B\u1ea3o v\u1ec7 m\u1ea1ch:<\/strong> <a href=\"https:\/\/resources.altium.com\/p\/what-solder-mask-expansion-value-should-you-use\" target=\"_blank\" rel=\"noreferrer noopener\">L\u1edbp ph\u1ee7 ch\u1ed1ng h\u00e0n v\u00e0 kho\u1ea3ng c\u00e1ch b\u1ed1 tr\u00ed<\/a> gi\u1ea3m thi\u1ec3u t\u00ecnh tr\u1ea1ng qu\u1ea7n short v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn \u00f4 nhi\u1ec5m.<\/li>\n\n\n\n<li><strong>Hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t:<\/strong> C\u00e1c d\u00e2y chuy\u1ec1n l\u1eafp r\u00e1p c\u00f3 th\u1ec3 l\u1eafp \u0111\u1eb7t v\u00e0 h\u00e0n c\u00e1c linh ki\u1ec7n m\u1ed9t c\u00e1ch nhanh ch\u00f3ng (\u0111\u1eb7c bi\u1ec7t l\u00e0 linh ki\u1ec7n SMT).<\/li>\n\n\n\n<li><strong>B\u1ea3o tr\u00ec v\u00e0 n\u00e2ng c\u1ea5p:<\/strong> d\u1ec5 d\u00e0ng h\u01a1n trong vi\u1ec7c ki\u1ec3m tra, s\u1eeda ch\u1eefa ho\u1eb7c \u0111i\u1ec1u ch\u1ec9nh so v\u1edbi vi\u1ec7c n\u1ed1i d\u00e2y th\u1ee7 c\u00f4ng.<\/li>\n\n\n\n<li><strong>T\u00edch h\u1ee3p m\u1eadt \u0111\u1ed9 cao:<\/strong> N\u1ebfu kh\u00f4ng c\u00f3 b\u1ea3ng m\u1ea1ch \u0111a l\u1edbp, c\u00e1c \u0111\u01b0\u1eddng d\u1eabn m\u1ea1ch si\u00eau m\u1ea3nh v\u00e0 c\u00e1c l\u1ed7 vias nh\u1ecf, th\u00ec vi\u1ec7c ph\u00e1t tri\u1ec3n \u0111i\u1ec7n t\u1eed hi\u1ec7n \u0111\u1ea1i s\u1ebd g\u1ea7n nh\u01b0 l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ec3.<\/li>\n<\/ul>\n\n\n\n<p>V\u00e0 \u0111\u1ed9 tin c\u1eady l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng. M\u1ed9t b\u1ea3ng m\u1ea1ch in (PCB) b\u1ecb l\u1ed7i b\u00ean trong s\u1ea3n ph\u1ea9m ho\u00e0n thi\u1ec7n c\u00f3 th\u1ec3 g\u00e2y ra chi ph\u00ed s\u1eeda ch\u1eefa v\u00f4 c\u00f9ng \u0111\u1eaft \u0111\u1ecf m\u1ed9t khi s\u1ea3n ph\u1ea9m \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u01b0a ra th\u1ecb tr\u01b0\u1eddng. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao DFM v\u00e0 qu\u00e1 tr\u00ecnh ki\u1ec3m tra l\u1ea1i v\u00f4 c\u00f9ng quan tr\u1ecdng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-4-common-pcb-types-the-ones-you-actually-see-in-the-wild\">C\u00e1c lo\u1ea1i PCB ph\u1ed5 bi\u1ebfn (nh\u1eefng lo\u1ea1i b\u1ea1n th\u01b0\u1eddng th\u1ea5y trong th\u1ef1c t\u1ebf)<\/h2>\n\n\n\n<p>C\u00f3 r\u1ea5t nhi\u1ec1u c\u00e1ch \u0111\u1ec3 ph\u00e2n lo\u1ea1i PCB, nh\u01b0ng \u0111\u00e2y l\u00e0 nh\u1eefng c\u00e1ch ch\u00ednh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-5-1-single-sided-pcb\">1) B\u1ea3ng m\u1ea1ch in m\u1ed9t m\u1eb7t<\/h3>\n\n\n\n<p>Ch\u1ec9 c\u00f3 m\u1ed9t m\u1eb7t \u0111\u01b0\u1ee3c m\u1ea1 \u0111\u1ed3ng. \u0110\u01a1n gi\u1ea3n, r\u1ebb ti\u1ec1n, v\u1eabn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u01a1 b\u1ea3n.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"367\" src=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/08\/Single-sided-PCB.webp\" alt=\"Single-sided PCB\" class=\"wp-image-2779\" srcset=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/08\/Single-sided-PCB.webp 600w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/08\/Single-sided-PCB-300x184.webp 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-6-2-double-sided-pcb\">2) B\u1ea3ng m\u1ea1ch in hai m\u1eb7t<\/h3>\n\n\n\n<p>M\u1eb7t tr\u00ean v\u00e0 m\u1eb7t d\u01b0\u1edbi \u0111\u1ec1u b\u1eb1ng \u0111\u1ed3ng, \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i b\u1eb1ng c\u00e1c l\u1ed7 vias. C\u00f3 nhi\u1ec1u kh\u00f4ng gian b\u1ed1 tr\u00ed m\u1ea1ch h\u01a1n, nh\u01b0ng gi\u00e1 c\u1ea3 v\u1eabn kh\u00e1 ph\u1ea3i ch\u0103ng.<\/p>\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\/2025\/08\/double-sided-PCB.webp\" alt=\"double-sided PCB\" class=\"wp-image-2778\" srcset=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/08\/double-sided-PCB.webp 500w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/08\/double-sided-PCB-300x300.webp 300w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/08\/double-sided-PCB-150x150.webp 150w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-7-3-multilayer-pcb\">3) B\u1ea3ng m\u1ea1ch in nhi\u1ec1u l\u1edbp<\/h3>\n\n\n\n<p>Ba l\u1edbp \u0111\u1ed3ng tr\u1edf l\u00ean. C\u00e1c thi\u1ebft b\u1ecb hi\u1ec7n \u0111\u1ea1i th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c c\u1ea5u tr\u00fac 4 l\u1edbp, 6 l\u1edbp, 8 l\u1edbp v\u00e0 nhi\u1ec1u h\u01a1n n\u1eefa. M\u1ed9t c\u1ea5u tr\u00fac 4 l\u1edbp \u0111i\u1ec3n h\u00ecnh c\u00f3 th\u1ec3 bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u00edn hi\u1ec7u h\u00e0ng \u0111\u1ea7u<\/li>\n\n\n\n<li>M\u1eb7t ph\u1eb3ng n\u1ed1i \u0111\u1ea5t b\u00ean trong<\/li>\n\n\n\n<li>M\u1eb7t ph\u1eb3ng ngu\u1ed3n (ho\u1eb7c t\u00edn hi\u1ec7u) b\u00ean trong<\/li>\n\n\n\n<li>T\u00edn hi\u1ec7u \u0111\u00e1y<\/li>\n<\/ul>\n\n\n\n<p>B\u1ea3ng m\u1ea1ch nhi\u1ec1u l\u1edbp gi\u00fap vi\u1ec7c \u0111\u1ecbnh tuy\u1ebfn m\u1ea1ch g\u1ecdn g\u00e0ng h\u01a1n, gi\u1ea3m nhi\u1ec5u v\u00e0 h\u1ed7 tr\u1ee3 <a href=\"https:\/\/s3vi.ndc.nasa.gov\/ssri-kb\/static\/resources\/High-Speed%20PCB%20Design%20Guide.pdf\" rel=\"noreferrer noopener\" target=\"_blank\">b\u1ed1 c\u1ee5c t\u1ed1c \u0111\u1ed9 cao<\/a>. Ch\u00fang c\u0169ng l\u00e0m t\u0103ng \u0111\u1ed9 ph\u1ee9c t\u1ea1p trong qu\u00e1 tr\u00ecnh gia c\u00f4ng.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/08\/multilayer-PCB.webp\" alt=\"multilayer PCB\" class=\"wp-image-2792\" srcset=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/08\/multilayer-PCB.webp 600w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/08\/multilayer-PCB-300x200.webp 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-8-4-rigid-flex-and-rigid-flex\">4) C\u1ee9ng, d\u1ebbo v\u00e0 c\u1ee9ng-d\u1ebbo<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>B\u1ea3ng m\u1ea1ch in c\u1ee9ng:<\/strong> t\u1ea5m v\u00e1n c\u1ee9ng ti\u00eau chu\u1ea9n.<\/li>\n\n\n\n<li><strong>B\u1ea3ng m\u1ea1ch in d\u1ebbo:<\/strong> m\u1ecfng <a href=\"https:\/\/flj-pcb.com\/vi\/pcb-manufacturer\/flexible-pcb\/\" data-type=\"page\" data-id=\"1901\">m\u1ea1ch linh ho\u1ea1t<\/a> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111i\u1ec7n tho\u1ea1i, m\u00e1y \u1ea3nh, thi\u1ebft b\u1ecb \u0111eo v\u00e0 c\u00e1c kh\u00f4ng gian h\u1eb9p.<\/li>\n\n\n\n<li><strong>B\u1ea3ng m\u1ea1ch in c\u1ee9ng-m\u1ec1m:<\/strong> S\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a c\u1ea3 hai. Gi\u00e1 cao h\u01a1n nh\u01b0ng gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 \u0111\u00f3ng g\u00f3i.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-9-5-high-frequency-high-speed-pcbs\">5) M\u1ea1ch in t\u1ea7n s\u1ed1 cao \/ t\u1ed1c \u0111\u1ed9 cao<\/h3>\n\n\n\n<p><a href=\"https:\/\/flj-pcb.com\/vi\/pcb-shielding-design-and-rf-shielding-guide\/\" data-type=\"post\" data-id=\"4844\">\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c \u1ee9ng d\u1ee5ng t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn (RF), kh\u00f4ng d\u00e2y, giao di\u1ec7n s\u1ed1 t\u1ed1c \u0111\u1ed9 cao v\u00e0 b\u1ea5t k\u1ef3 \u1ee9ng d\u1ee5ng n\u00e0o nh\u1ea1y c\u1ea3m v\u1edbi tr\u1edf kh\u00e1ng<\/a>. Nh\u1eefng th\u1ee9 n\u00e0y th\u01b0\u1eddng c\u1ea7n c\u00e1c v\u1eadt li\u1ec7u \u0111\u1eb7c bi\u1ec7t v\u1edbi <strong>m\u1ea5t m\u00e1t \u0111i\u1ec7n m\u00f4i th\u1ea5p<\/strong>, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u composite d\u1ef1a tr\u00ean PTFE (v\u00e0 c\u00e1c lo\u1ea1i kh\u00e1c nh\u01b0 polyurethane, polyethylene, h\u1ed7n h\u1ee3p polystyrene t\u00f9y thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m m\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t cung c\u1ea5p).<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"372\" src=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/09\/High-Frequency-PCB.webp\" alt=\"High-Frequency PCB\" class=\"wp-image-2728\" srcset=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/09\/High-Frequency-PCB.webp 600w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/09\/High-Frequency-PCB-300x186.webp 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-10-6-special-boards-a-few-youll-hear-about\">6) C\u00e1c lo\u1ea1i v\u00e1n \u0111\u1eb7c bi\u1ec7t (m\u1ed9t s\u1ed1 lo\u1ea1i m\u00e0 b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c nghe n\u00f3i \u0111\u1ebfn)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>B\u1ea3ng m\u1ea1ch in l\u00f5i kim lo\u1ea1i:<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea3n nhi\u1ec7t v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh (th\u01b0\u1eddng th\u1ea5y trong chi\u1ebfu s\u00e1ng LED v\u00e0 \u0111i\u1ec7n t\u1eed c\u00f4ng su\u1ea5t).<\/li>\n\n\n\n<li><strong>B\u1ea3ng m\u1ea1ch in g\u1eafn b\u1ec1 m\u1eb7t:<\/strong> Kh\u00f4ng h\u1eb3n l\u00e0 \u201clo\u1ea1i b\u1ea3ng m\u1ea1ch\u201d, m\u00e0 gi\u1ed1ng ki\u1ec3u l\u1eafp r\u00e1p h\u01a1n, nh\u01b0ng m\u1ecdi ng\u01b0\u1eddi v\u1eabn hay g\u1ecdi nh\u01b0 v\u1eady. SMT h\u1ed7 tr\u1ee3 vi\u1ec7c s\u1ea3n xu\u1ea5t c\u00e1c s\u1ea3n ph\u1ea9m nh\u1eb9, m\u1ecfng, s\u1ed1 l\u01b0\u1ee3ng l\u1edbn v\u00e0 chi ph\u00ed th\u1ea5p.<\/li>\n\n\n\n<li><strong>B\u1ea3ng m\u1ea1ch in m\u00e0ng carbon:<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p m\u00e0 chi ph\u00ed v\u00e0 quy tr\u00ecnh \u0111\u01a1n gi\u1ea3n l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-11-7-hdi-pcb\">7) M\u1ea1ch in HDI<\/h3>\n\n\n\n<p><a href=\"https:\/\/flj-pcb.com\/vi\/pcb-manufacturer\/hdi-pcb\/\" data-type=\"page\" data-id=\"1915\">HDI l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a \"High Density Interconnect\"<\/a>. C\u00e1c l\u1ed7 vias nh\u1ecf h\u01a1n, kho\u1ea3ng c\u00e1ch h\u1eb9p h\u01a1n v\u00e0 m\u1eadt \u0111\u1ed9 d\u00e2y d\u1eabn cao h\u01a1n so v\u1edbi c\u00e1c b\u1ea3ng m\u1ea1ch in (PCB) th\u00f4ng th\u01b0\u1eddng. \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111i\u1ec7n tho\u1ea1i, c\u00e1c thi\u1ebft b\u1ecb nh\u1ecf g\u1ecdn v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m c\u00f4ng ngh\u1ec7 cao.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"450\" src=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/09\/hdi-pcb.webp\" alt=\"hdi pcb\" class=\"wp-image-2703\" srcset=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/09\/hdi-pcb.webp 600w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/09\/hdi-pcb-300x225.webp 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-12-how-a-pcb-is-designed-high-level-but-real\">C\u00e1ch thi\u1ebft k\u1ebf m\u1ed9t b\u1ea3ng m\u1ea1ch in (t\u1ed5ng quan, nh\u01b0ng th\u1ef1c t\u1ebf)<\/h2>\n\n\n\n<p>Thi\u1ebft k\u1ebf PCB kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 v\u1ebd c\u00e1c \u0111\u01b0\u1eddng cho \u0111\u1ebfn khi ch\u00fang \u201cn\u1ed1i v\u1edbi nhau\u201d.<\/p>\n\n\n\n<p>M\u1ed9t quy tr\u00ecnh \u0111i\u1ec3n h\u00ecnh tr\u00f4ng nh\u01b0 sau:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>V\u1ebd s\u01a1 \u0111\u1ed3 m\u1ea1ch<\/strong><\/li>\n\n\n\n<li>\u0110\u00e2y l\u00e0 s\u01a1 \u0111\u1ed3 m\u1ea1ch logic. C\u00e1c th\u00e0nh ph\u1ea7n k\u1ebft n\u1ed1i v\u1edbi nhau nh\u01b0 th\u1ebf n\u00e0o, c\u00e1c gi\u00e1 tr\u1ecb, c\u00e1c \u0111\u01b0\u1eddng d\u1eabn t\u00edn hi\u1ec7u, c\u00e1c \u0111\u01b0\u1eddng c\u1ea5p ngu\u1ed3n. \u201cB\u1ea3n thi\u1ebft k\u1ebf n\u00e3o b\u1ed9\u201d.<\/li>\n\n\n\n<li><strong>T\u1ea1o b\u1ea3n v\u1ebd s\u01a1 \u0111\u1ed3 m\u1ea1ch in tr\u1ed1ng<\/strong><\/li>\n\n\n\n<li>X\u00e1c \u0111\u1ecbnh h\u00ecnh d\u1ea1ng b\u1ea3ng m\u1ea1ch, c\u00e1c l\u1ed7 l\u1eafp \u0111\u1eb7t, c\u00e1c v\u00f9ng c\u1ea5m v\u00e0 v\u1ecb tr\u00ed c\u00e1c \u0111\u1ea7u n\u1ed1i.<\/li>\n\n\n\n<li><strong>Qu\u00e9t v\u00e0 li\u00ean k\u1ebft s\u01a1 \u0111\u1ed3 m\u1ea1ch v\u1edbi b\u1ea3ng m\u1ea1ch in (PCB)<\/strong><\/li>\n\n\n\n<li>B\u1ea1n nh\u1eadp c\u00e1c linh ki\u1ec7n (b\u1ea3n v\u1ebd ch\u00e2n linh ki\u1ec7n) v\u00e0 k\u1ebft n\u1ed1i c\u00e1c \u0111\u01b0\u1eddng m\u1ea1ch \u0111\u1ec3 b\u1ea3ng m\u1ea1ch in (PCB) bi\u1ebft \u0111\u01b0\u1ee3c nh\u1eefng ph\u1ea7n n\u00e0o c\u1ea7n \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i.<\/li>\n\n\n\n<li><strong>Thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac l\u1edbp PCB<\/strong><\/li>\n\n\n\n<li>\u0110\u1ed1i v\u1edbi c\u00e1c thi\u1ebft k\u1ebf hi\u1ec7n \u0111\u1ea1i, v\u1eadt li\u1ec7u FR4 4 l\u1edbp r\u1ea5t ph\u1ed5 bi\u1ebfn. C\u1ea5u tr\u00fac l\u1edbp \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tr\u1edf kh\u00e1ng, nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI) v\u00e0 kh\u1ea3 n\u0103ng s\u1ea3n xu\u1ea5t.<\/li>\n\n\n\n<li><strong>X\u00e1c \u0111\u1ecbnh c\u00e1c quy t\u1eafc thi\u1ebft k\u1ebf v\u00e0 y\u00eau c\u1ea7u v\u1ec1 thi\u1ebft k\u1ebf h\u01b0\u1edbng s\u1ea3n xu\u1ea5t (DFM)<\/strong><\/li>\n\n\n\n<li>Chi\u1ec1u r\u1ed9ng \u0111\u01b0\u1eddng m\u1ea1ch, kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c \u0111\u01b0\u1eddng m\u1ea1ch, k\u00edch th\u01b0\u1edbc l\u1ed7 khoan, v\u00f2ng \u0111\u1ec7m, kho\u1ea3ng c\u00e1ch so v\u1edbi l\u1edbp ch\u1ed1ng h\u00e0n, c\u00e1c m\u1ee5c ti\u00eau v\u1ec1 tr\u1edf kh\u00e1ng. C\u00e1c quy t\u1eafc n\u00e0y c\u1ea7n ph\u00f9 h\u1ee3p v\u1edbi kh\u1ea3 n\u0103ng s\u1ea3n xu\u1ea5t th\u1ef1c t\u1ebf c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t. \u0110\u00e2y ch\u00ednh l\u00e0 l\u00fac c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf th\u01b0\u1eddng trao \u0111\u1ed5i v\u1edbi c\u00e1c \u0111\u01a1n v\u1ecb gia c\u00f4ng \u0111\u1ec3 n\u1eafm r\u00f5 c\u00e1c gi\u1edbi h\u1ea1n k\u1ef9 thu\u1eadt c\u1ee7a h\u1ecd.<\/li>\n\n\n\n<li><strong>V\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t linh ki\u1ec7n<\/strong><\/li>\n\n\n\n<li>Ban \u0111\u1ea7u c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n t\u1ef1 \u0111\u1ed9ng, nh\u01b0ng vi\u1ec7c b\u1ed1 tr\u00ed th\u1ef1c t\u1ebf th\u01b0\u1eddng ph\u1ea3i l\u00e0m th\u1ee7 c\u00f4ng: t\u00ednh to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u, nhi\u1ec7t \u0111\u1ed9, kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn, c\u00e1c h\u1ea1n ch\u1ebf trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p. N\u00f3i th\u1eadt, vi\u1ec7c b\u1ed1 tr\u00ed \u0111\u00e3 chi\u1ebfm m\u1ed9t n\u1eeda th\u00e0nh c\u00f4ng r\u1ed3i.<\/li>\n\n\n\n<li><strong>\u0110\u1ecbnh tuy\u1ebfn (k\u1ebft n\u1ed1i d\u00e2y)<\/strong><\/li>\n\n\n\n<li>C\u00e1c \u0111\u01b0\u1eddng d\u1eabn \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed theo c\u00e1c h\u01b0\u1edbng d\u1eabn. \u0110\u1ed1i v\u1edbi c\u00e1c thi\u1ebft k\u1ebf t\u1ed1c \u0111\u1ed9 cao, b\u1ed9 gi\u1ea3i ho\u1eb7c c\u00e1c c\u00f4ng c\u1ee5 thi\u1ebft k\u1ebf c\u00f3 th\u1ec3 gi\u00fap ki\u1ec3m so\u00e1t h\u00ecnh d\u1ea1ng c\u1ee7a \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c tr\u1edf kh\u00e1ng m\u1ee5c ti\u00eau.<\/li>\n\n\n\n<li><strong>Th\u00eam m\u00e3 \u0111\u1ecbnh danh<\/strong><\/li>\n\n\n\n<li>M\u00e3 \u0111\u1ecbnh danh, k\u00fd hi\u1ec7u c\u1ef1c t\u00ednh, \u0111i\u1ec3m ki\u1ec3m tra, nh\u00e3n, logo. Nh\u1eefng chi ti\u1ebft nh\u1ecf gi\u00fap ti\u1ebft ki\u1ec7m h\u00e0ng gi\u1edd trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1.<\/li>\n\n\n\n<li><strong>Th\u1ef1c hi\u1ec7n ki\u1ec3m tra DRC<\/strong><\/li>\n\n\n\n<li>Ki\u1ec3m tra quy t\u1eafc thi\u1ebft k\u1ebf (DRC) gi\u00fap ph\u00e1t hi\u1ec7n c\u00e1c l\u1ed7i v\u1ec1 kho\u1ea3ng c\u00e1ch, c\u00e1c k\u1ebft n\u1ed1i b\u1ecb thi\u1ebfu v\u00e0 c\u00e1c vi ph\u1ea1m b\u1ea5t th\u01b0\u1eddng.<\/li>\n\n\n\n<li><strong>T\u1ea1o t\u1ec7p s\u1ea3n xu\u1ea5t<\/strong><\/li>\n\n\n\n<li>Th\u00f4ng th\u01b0\u1eddng l\u00e0 c\u00e1c t\u1ec7p Gerber (th\u01b0\u1eddng l\u00e0 Gerber m\u1edf r\u1ed9ng) c\u00f9ng v\u1edbi c\u00e1c t\u1ec7p khoan, ghi ch\u00fa v\u1ec1 c\u1ea5u tr\u00fac l\u1edbp v\u00e0 b\u1ea3n v\u1ebd gia c\u00f4ng.<\/li>\n<\/ol>\n\n\n\n<p>C\u00e1c ph\u1ea7n m\u1ec1m thi\u1ebft k\u1ebf PCB ph\u1ed5 bi\u1ebfn bao g\u1ed3m Altium Designer, OrCAD, Pads, KiCad v\u00e0 Eagle.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-13-how-a-pcb-board-is-manufactured-the-real-step-by-step-idea\">Quy tr\u00ecnh s\u1ea3n xu\u1ea5t b\u1ea3ng m\u1ea1ch in (h\u01b0\u1edbng d\u1eabn chi ti\u1ebft t\u1eebng b\u01b0\u1edbc)<\/h2>\n\n\n\n<p>N\u1ebfu b\u1ea1n ch\u01b0a t\u1eebng tham quan m\u1ed9t x\u01b0\u1edfng s\u1ea3n xu\u1ea5t b\u1ea3ng m\u1ea1ch in, b\u1ea1n s\u1ebd th\u1ea5y n\u00f3 c\u00f3 s\u1ee9c h\u00fat kh\u00f3 c\u01b0\u1ee1ng. Nh\u1eefng chi\u1ebfc m\u00e1y \u1ed3n \u00e0o, c\u00e1c d\u00e2y chuy\u1ec1n h\u00f3a ch\u1ea5t, nh\u1eefng ch\u1ed3ng b\u1ea3ng m\u1ea1ch, c\u00e1c tr\u1ea1m ki\u1ec3m tra. C\u00e1c nh\u00e0 thi\u1ebft k\u1ebf khi \u0111\u1ebfn th\u0103m nh\u00e0 m\u00e1y th\u01b0\u1eddng tr\u1edf v\u1ec1 v\u1edbi th\u00e1i \u0111\u1ed9 khi\u00eam t\u1ed1n h\u01a1n, b\u1edfi sau \u0111\u00f3, h\u1ecd s\u1ebd b\u1eaft \u0111\u1ea7u thi\u1ebft k\u1ebf v\u1edbi s\u1ef1 c\u00e2n nh\u1eafc \u0111\u1ebfn quy tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t PCB \u0111i\u1ec3n h\u00ecnh, \u0111\u01b0\u1ee3c \u0111\u01a1n gi\u1ea3n h\u00f3a nh\u01b0ng v\u1eabn \u0111\u1ea3m b\u1ea3o t\u00ednh ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-14-step-1-design-and-output\">B\u01b0\u1edbc 1: Thi\u1ebft k\u1ebf v\u00e0 xu\u1ea5t b\u1ea3n<\/h3>\n\n\n\n<p>B\u1ea3n v\u1ebd m\u1ea1ch in \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf trong ph\u1ea7n m\u1ec1m CAD v\u00e0 \u0111\u01b0\u1ee3c xu\u1ea5t ra sau khi ki\u1ec3m tra, th\u01b0\u1eddng d\u01b0\u1edbi d\u1ea1ng <a href=\"https:\/\/www.creativehitech.com\/blog\/pcb-gerber-files-introduction-and-industrial-importance\/\" rel=\"noreferrer noopener\" target=\"_blank\">T\u1ec7p Gerber<\/a> (th\u01b0\u1eddng \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng th\u00e0nh Gerber). \u0110\u00e2y l\u00e0 \u201cngu\u1ed3n d\u1eef li\u1ec7u ch\u00ednh x\u00e1c\u201d cho qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"533\" src=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/09\/Design-File-Handling.webp\" alt=\"Design File Handling\" class=\"wp-image-2910\" srcset=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/09\/Design-File-Handling.webp 400w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/09\/Design-File-Handling-225x300.webp 225w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-15-step-2-from-file-to-film\">B\u01b0\u1edbc 2: T\u1eeb b\u1ea3n th\u1ea3o \u0111\u1ebfn phim<\/h3>\n\n\n\n<p>M\u00e1y v\u1ebd k\u1ef9 thu\u1eadt in c\u00e1c b\u1ea3n phim \u1ea3nh c\u1ee7a thi\u1ebft k\u1ebf b\u1ea3ng m\u1ea1ch in (PCB). C\u00e1c b\u1ea3n phim n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 chuy\u1ec3n m\u1eabu l\u00ean l\u1edbp \u0111\u1ed3ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-16-step-3-printing-the-inner-layers\">B\u01b0\u1edbc 3: In c\u00e1c l\u1edbp b\u00ean trong<\/h3>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi b\u1ea3ng m\u1ea1ch nhi\u1ec1u l\u1edbp, m\u1eabu m\u1ea1ch \u0111\u1ed3ng \u1edf l\u1edbp trong \u0111\u01b0\u1ee3c t\u1ea1o ra tr\u00ean l\u00e1 \u0111\u1ed3ng \u0111\u01b0\u1ee3c \u00e9p d\u00ednh v\u00e0o ch\u1ea5t n\u1ec1n (nh\u1ef1a epoxy + s\u1ee3i th\u1ee7y tinh). Ch\u1ea5t c\u1ea3n quang \u0111\u01b0\u1ee3c ph\u1ee7 l\u00ean, chi\u1ebfu s\u00e1ng v\u00e0 tr\u00e1ng r\u1eeda \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1eabu m\u1ea1ch \u0111\u1ed3ng ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-17-step-4-removing-the-unwanted-copper\">B\u01b0\u1edbc 4: Lo\u1ea1i b\u1ecf \u0111\u1ed3ng th\u1eeba<\/h3>\n\n\n\n<p>C\u00e1c qu\u00e1 tr\u00ecnh h\u00f3a h\u1ecdc lo\u1ea1i b\u1ecf ph\u1ea7n \u0111\u1ed3ng th\u1eeba, trong khi l\u1edbp ch\u1ea5t c\u1ea3n quang \u0111\u00e3 \u0111\u00f4ng c\u1ee9ng b\u1ea3o v\u1ec7 ph\u1ea7n \u0111\u1ed3ng c\u1ea7n gi\u1eef l\u1ea1i. Sau khi \u0103n m\u00f2n, l\u1edbp ch\u1ea5t c\u1ea3n quang \u0111\u01b0\u1ee3c t\u1ea9y s\u1ea1ch b\u1eb1ng dung m\u00f4i, \u0111\u1ec3 l\u1ea1i c\u00e1c chi ti\u1ebft \u0111\u1ed3ng s\u1ea1ch s\u1ebd.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-18-step-5-layer-alignment-and-optical-inspection\">B\u01b0\u1edbc 5: C\u0103n ch\u1ec9nh l\u1edbp v\u00e0 ki\u1ec3m tra quang h\u1ecdc<\/h3>\n\n\n\n<p>C\u00e1c l\u1edbp ph\u1ea3i \u0111\u01b0\u1ee3c x\u1ebfp ch\u1ed3ng l\u00ean nhau m\u1ed9t c\u00e1ch ho\u00e0n h\u1ea3o. Ng\u01b0\u1eddi ta s\u1eed d\u1ee5ng c\u00e1c l\u1ed7 \u0111\u1ecbnh v\u1ecb v\u00e0 l\u1ed7 c\u0103n ch\u1ec9nh, \u0111\u1ed3ng th\u1eddi m\u00e1y \u0111\u1ee5c l\u1ed7 quang h\u1ecdc gi\u00fap \u0111\u1ecbnh v\u1ecb c\u00e1c l\u1edbp m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<p>Sau \u0111\u00f3, c\u00e1c t\u1ea5m panel th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u01b0a qua <a href=\"https:\/\/smta.org\/news\/710400\/PARMI-Sets-New-AOI-Standard-with-AI-Teaching-Wins-2025-Mexico-Technology-Award.htm\" rel=\"noreferrer noopener\" target=\"_blank\"><strong>Ki\u1ec3m tra quang h\u1ecdc t\u1ef1 \u0111\u1ed9ng (AOI)<\/strong><\/a>. C\u1ea3m bi\u1ebfn laser s\u1ebd so s\u00e1nh b\u1ea3ng m\u1ea1ch v\u1edbi d\u1eef li\u1ec7u Gerber \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c \u0111i\u1ec3m h\u1edf m\u1ea1ch, ch\u1eadp m\u1ea1ch ho\u1eb7c l\u1ed7i b\u1ea3n v\u1ebd.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"399\" src=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/08\/AOI-inspection.webp\" alt=\"AOI inspection\" class=\"wp-image-2265\" srcset=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/08\/AOI-inspection.webp 600w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/08\/AOI-inspection-300x200.webp 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-19-step-6-layer-up-and-bonding\">B\u01b0\u1edbc 6: T\u1ea1o l\u1edbp v\u00e0 k\u1ebft d\u00ednh<\/h3>\n\n\n\n<p>B\u1ea3ng m\u1ea1ch \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o theo ki\u1ec3u l\u1edbp ch\u1ed3ng l\u1edbp. C\u00e1c l\u1edbp l\u00e1 \u0111\u1ed3ng, prepreg (nh\u1ef1a k\u1ebft d\u00ednh) v\u00e0 v\u1eadt li\u1ec7u l\u00f5i \u0111\u01b0\u1ee3c x\u1ebfp ch\u1ed3ng l\u00ean nhau, th\u01b0\u1eddng k\u00e8m theo c\u00e1c t\u1ea5m \u00e9p v\u00e0 l\u00e1 nh\u00f4m, sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u00e9p trong m\u00e1y \u00e9p k\u1ebft d\u00ednh \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng m\u00e1y t\u00ednh.<\/p>\n\n\n\n<p>\u0110\u00e2y ch\u00ednh l\u00e0 l\u00fac b\u1ea3ng m\u1ea1ch in nhi\u1ec1u l\u1edbp tr\u1edf th\u00e0nh m\u1ed9t kh\u1ed1i th\u1ed1ng nh\u1ea5t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-20-step-7-drilling\">B\u01b0\u1edbc 7: Khoan<\/h3>\n\n\n\n<p>C\u00e1c l\u1ed7 \u0111\u01b0\u1ee3c khoan \u0111\u1ec3 l\u1eafp ch\u00e2n linh ki\u1ec7n, c\u1ed1 \u0111\u1ecbnh v\u00e0 t\u1ea1o l\u1ed7 th\u00f4ng. C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb \u0111\u1ecbnh v\u1ecb tia X \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed c\u00e1c \u0111i\u1ec3m m\u1ee5c ti\u00eau. M\u00e1y khoan CNC c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng v\u1edbi t\u1ed1c \u0111\u1ed9 c\u1ef1c cao, v\u1edbi tr\u1ee5c ch\u00ednh ch\u1ea1y b\u1eb1ng kh\u00ed n\u00e9n \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 l\u00ean \u0111\u1ebfn kho\u1ea3ng 150.000 v\u00f2ng\/ph\u00fat.<\/p>\n\n\n\n<p>Sau khi khoan, c\u00f3 th\u1ec3 d\u00f9ng c\u00e1c d\u1ee5ng c\u1ee5 t\u1ea1o h\u00ecnh \u0111\u1ec3 lo\u1ea1i b\u1ecf ph\u1ea7n \u0111\u1ed3ng th\u1eeba ho\u1eb7c c\u00e1c c\u1ea1nh g\u1ed3 gh\u1ec1.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/12\/About-PCB-Drill-Compensation_compressed.webp\" alt=\"About PCB Drill Compensation\" class=\"wp-image-4584\" srcset=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/12\/About-PCB-Drill-Compensation_compressed.webp 800w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/12\/About-PCB-Drill-Compensation_compressed-300x200.webp 300w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/12\/About-PCB-Drill-Compensation_compressed-768x512.webp 768w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/12\/About-PCB-Drill-Compensation_compressed-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-21-step-8-plating-chemical-deposition\">B\u01b0\u1edbc 8: M\u1ea1 (ph\u01b0\u01a1ng ph\u00e1p l\u1eafng \u0111\u1ecdng h\u00f3a h\u1ecdc)<\/h3>\n\n\n\n<p>M\u1ed9t l\u1edbp \u0111\u1ed3ng m\u1ecfng \u0111\u01b0\u1ee3c ph\u1ee7 l\u00ean b\u1ec1 m\u1eb7t b\u1ea3ng m\u1ea1ch v\u00e0 b\u00ean trong c\u00e1c l\u1ed7 khoan, nh\u1edd \u0111\u00f3 c\u00e1c l\u1ed7 vias c\u00f3 th\u1ec3 d\u1eabn \u0111i\u1ec7n gi\u1eefa c\u00e1c l\u1edbp.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-22-step-9-outer-layer-imaging\">B\u01b0\u1edbc 9: Ch\u1ee5p \u1ea3nh l\u1edbp ngo\u00e0i<\/h3>\n\n\n\n<p>M\u1ed9t l\u1edbp ch\u1ea5t c\u1ea3n quang m\u1edbi \u0111\u01b0\u1ee3c ph\u1ee7 l\u00ean t\u1ea5m b\u1ea3ng. Qu\u00e1 tr\u00ecnh chi\u1ebfu tia UV l\u00e0m c\u1ee9ng l\u1edbp ch\u1ea5t c\u1ea3n quang t\u1ea1i nh\u1eefng v\u1ecb tr\u00ed c\u1ea7n gi\u1eef l\u1ea1i \u0111\u1ed3ng. L\u1edbp ch\u1ea5t c\u1ea3n quang ch\u01b0a \u0111\u01b0\u1ee3c l\u00e0m c\u1ee9ng s\u1ebd \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf b\u1eb1ng m\u00e1y.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-23-step-10-outer-layer-plating-electroplating\">B\u01b0\u1edbc 10: M\u1ea1 l\u1edbp ngo\u00e0i (m\u1ea1 \u0111i\u1ec7n)<\/h3>\n\n\n\n<p>B\u1ea3ng m\u1ea1ch \u0111\u01b0\u1ee3c m\u1ea1 \u0111\u1ed3ng \u0111\u1ec3 t\u0103ng \u0111\u1ed9 d\u00e0y c\u1ee7a c\u00e1c \u0111\u01b0\u1eddng d\u1eabn v\u00e0 l\u1ed7 th\u00f4ng, sau \u0111\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c m\u1ea1 thi\u1ebfc \u0111\u1ec3 b\u1ea3o v\u1ec7 l\u1edbp \u0111\u1ed3ng trong qu\u00e1 tr\u00ecnh \u0103n m\u00f2n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-24-step-11-final-etching\">B\u01b0\u1edbc 11: Giai \u0111o\u1ea1n kh\u1eafc cu\u1ed1i c\u00f9ng<\/h3>\n\n\n\n<p>C\u00e1c dung d\u1ecbch h\u00f3a h\u1ecdc lo\u1ea1i b\u1ecf ph\u1ea7n \u0111\u1ed3ng th\u1eeba. Ch\u00ec b\u1ea3o v\u1ec7 c\u00e1c chi ti\u1ebft \u0111\u1ed3ng c\u1ea7n gi\u1eef l\u1ea1i. Sau khi \u0103n m\u00f2n, ch\u00ec s\u1ebd \u0111\u01b0\u1ee3c t\u1ea9y b\u1ecf theo y\u00eau c\u1ea7u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-25-step-12-solder-mask-application\">B\u01b0\u1edbc 12: Ph\u1ee7 l\u1edbp ch\u1ed1ng h\u00e0n<\/h3>\n\n\n\n<p>M\u1ef1c ph\u1ee7 ch\u1ed1ng h\u00e0n epoxy \u0111\u01b0\u1ee3c ph\u1ee7 l\u00ean c\u1ea3 hai m\u1eb7t, sau \u0111\u00f3 \u0111\u01b0\u1ee3c l\u00e0m c\u1ee9ng b\u1eb1ng tia UV. Nhi\u1ec1u b\u1ea3ng m\u1ea1ch c\u00f2n \u0111\u01b0\u1ee3c \u0111\u01b0a qua l\u00f2 s\u1ea5y \u0111\u1ec3 \u0111\u1ea1t \u0111\u1ed9 c\u1ee9ng t\u1ed1i \u0111a.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/08\/Green-Solder-Mask-Immersion-Hard-Gold-PCB.webp\" alt=\"Green Solder Mask Immersion Hard Gold PCB\" class=\"wp-image-2815\" srcset=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/08\/Green-Solder-Mask-Immersion-Hard-Gold-PCB.webp 500w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/08\/Green-Solder-Mask-Immersion-Hard-Gold-PCB-300x300.webp 300w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/08\/Green-Solder-Mask-Immersion-Hard-Gold-PCB-150x150.webp 150w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-26-step-13-surface-finish\">B\u01b0\u1edbc 13: Ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t<\/h3>\n\n\n\n<p>C\u00e1c mi\u1ebfng \u0111\u1ec7m c\u1ea7n \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1ec1 m\u1eb7t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o h\u00e0n t\u1ed1t v\u00e0 kh\u00f4ng b\u1ecb oxy h\u00f3a. C\u00e1c l\u1ef1a ch\u1ecdn bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u1ea1 h\u00f3a h\u1ecdc b\u1eb1ng v\u00e0ng (nh\u01b0 ENIG) ho\u1eb7c b\u1ea1c<\/li>\n\n\n\n<li>Ph\u01b0\u01a1ng ph\u00e1p l\u00e0m ph\u1eb3ng b\u1eb1ng kh\u00ed n\u00f3ng (HASL) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c mi\u1ebfng \u0111\u1ec7m c\u00f3 \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u<\/li>\n<\/ul>\n\n\n\n<p>C\u00f3 nhi\u1ec1u l\u1ef1a ch\u1ecdn v\u1ec1 b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n t\u00f9y thu\u1ed9c v\u00e0o chi ph\u00ed, th\u1eddi h\u1ea1n s\u1eed d\u1ee5ng v\u00e0 ph\u01b0\u01a1ng ph\u00e1p l\u1eafp r\u00e1p.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-27-step-14-silkscreen\">B\u01b0\u1edbc 14: In l\u1ee5a<\/h3>\n\n\n\n<p>In phun ho\u1eb7c in l\u1ee5a gi\u00fap b\u1ed5 sung c\u00e1c th\u00f4ng tin quan tr\u1ecdng: k\u00fd hi\u1ec7u tham chi\u1ebfu, \u0111\u01b0\u1eddng vi\u1ec1n linh ki\u1ec7n, c\u1ef1c t\u00ednh, logo, c\u1ea3nh b\u00e1o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-28-step-15-electrical-test\">B\u01b0\u1edbc 15: Ki\u1ec3m tra h\u1ec7 th\u1ed1ng \u0111i\u1ec7n<\/h3>\n\n\n\n<p>C\u00e1c b\u1ea3ng m\u1ea1ch \u0111\u01b0\u1ee3c ki\u1ec3m tra \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c \u0111i\u1ec3m h\u1edf m\u1ea1ch v\u00e0 ch\u1eadp m\u1ea1ch. M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn l\u00e0 <a href=\"https:\/\/www.sfcircuits.com\/pcb-school\/flying-probe-test\" rel=\"noreferrer noopener\" target=\"_blank\"><strong>Ki\u1ec3m tra b\u1eb1ng \u0111\u1ea7u d\u00f2 di \u0111\u1ed9ng<\/strong><\/a>, cho ph\u00e9p ki\u1ec3m tra hi\u1ec7u su\u1ea5t \u0111i\u1ec7n m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ebfn thi\u1ebft b\u1ecb ki\u1ec3m tra chuy\u00ean d\u1ee5ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-29-step-16-profiling-and-v-scoring\">B\u01b0\u1edbc 16: T\u1ea1o h\u00ecnh v\u00e0 t\u1ea1o r\u00e3nh ch\u1eef V<\/h3>\n\n\n\n<p>B\u1ea3n v\u1ebd ph\u00e1c th\u1ea3o cu\u1ed1i c\u00f9ng c\u1ee7a t\u1ea5m v\u00e1n \u0111\u01b0\u1ee3c c\u1eaft b\u1eb1ng m\u00e1y phay, ho\u1eb7c c\u00e1c r\u00e3nh ch\u1eef V \u0111\u01b0\u1ee3c t\u1ea1o ra \u0111\u1ec3 c\u00e1c t\u1ea5m v\u00e1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1ch ra m\u1ed9t c\u00e1ch g\u1ecdn g\u00e0ng, ph\u1ee5c v\u1ee5 cho quy tr\u00ecnh s\u1ea3n xu\u1ea5t theo m\u00f4-\u0111un.<\/p>\n\n\n\n<p>Sau \u0111\u00f3 l\u00e0 qu\u00e1 tr\u00ecnh \u0111\u00f3ng g\u00f3i, th\u01b0\u1eddng l\u00e0 \u0111\u00f3ng g\u00f3i ch\u00e2n kh\u00f4ng \u0111\u1ec3 b\u1ea3o qu\u1ea3n, r\u1ed3i m\u1edbi ti\u1ebfn h\u00e0nh v\u1eadn chuy\u1ec3n.<\/p>\n\n\n\n<p>\u0110\u00f3 l\u00e0 \u00fd t\u01b0\u1edfng c\u1ed1t l\u00f5i. M\u1ed9t s\u1ed1 nh\u00e0 m\u00e1y s\u1ebd b\u1ed5 sung th\u00eam c\u00e1c c\u00f4ng \u0111o\u1ea1n t\u00f9y thu\u1ed9c v\u00e0o c\u00f4ng ngh\u1ec7 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng (HDI, l\u1ed7 vias \u1ea9n\/ch\u00f4n ng\u1ea7m, m\u1eabu ki\u1ec3m tra tr\u1edf kh\u00e1ng, v.v.).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-30-pcbs-and-modern-wireless-high-frequency-stuff\">B\u1ea3ng m\u1ea1ch in (PCB) v\u00e0 c\u00e1c thi\u1ebft b\u1ecb kh\u00f4ng d\u00e2y, t\u1ea7n s\u1ed1 cao hi\u1ec7n \u0111\u1ea1i<\/h2>\n\n\n\n<p>Ng\u00e0y nay, l\u0129nh v\u1ef1c \u0111i\u1ec7n t\u1eed ch\u1ee7 y\u1ebfu xoay quanh nh\u1eefng \u201ct\u00edn hi\u1ec7u ho\u1ea1t \u0111\u1ed9ng gi\u1ed1ng nh\u01b0 s\u00f3ng v\u00f4 tuy\u1ebfn\u201d, ngay c\u1ea3 khi b\u1ea1n kh\u00f4ng nh\u1eadn ra \u0111i\u1ec1u \u0111\u00f3. C\u00e1c c\u1ea1nh t\u00edn hi\u1ec7u s\u1ed1 t\u1ed1c \u0111\u1ed9 cao, truy\u1ec1n d\u1eabn kh\u00f4ng d\u00e2y, gi\u1ecdng n\u00f3i, video, d\u1eef li\u1ec7u. M\u1ecdi th\u1ee9 \u0111\u1ec1u tu\u00e2n theo c\u00e1c ti\u00eau chu\u1ea9n, v\u00e0 b\u1ea3ng m\u1ea1ch in (PCB) ch\u00ednh l\u00e0 n\u01a1i quy\u1ebft \u0111\u1ecbnh th\u00e0nh b\u1ea1i c\u1ee7a nhi\u1ec1u cu\u1ed9c \u201c\u0111\u1ea5u tranh\u201d v\u1ec1 hi\u1ec7u su\u1ea5t.<\/p>\n\n\n\n<p>C\u00e1c s\u1ea3n ph\u1ea9m th\u1ebf h\u1ec7 m\u1edbi th\u01b0\u1eddng th\u00e2m nh\u1eadp v\u00e0o:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>b\u1ea3ng m\u1ea1ch t\u1ea7n s\u1ed1 cao<\/li>\n\n\n\n<li>ch\u1ea5t n\u1ec1n c\u00f3 t\u1ed5n th\u1ea5t \u0111i\u1ec7n m\u00f4i th\u1ea5p<\/li>\n\n\n\n<li>dung sai ch\u1eb7t ch\u1ebd h\u01a1n<\/li>\n\n\n\n<li><a href=\"https:\/\/www.allpcb.com\/allelectrohub\/understanding-impedance-control-in-pcb-routing-best-practices-and-guidelines\" target=\"_blank\" rel=\"noreferrer noopener\">\u0111\u1ecbnh tuy\u1ebfn \u0111i\u1ec1u khi\u1ec3n tr\u1edf kh\u00e1ng<\/a><\/li>\n<\/ul>\n\n\n\n<p>N\u1ebfu b\u1ea1n \u0111ang l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn (RF), giao di\u1ec7n t\u1ed1c \u0111\u1ed9 cao ho\u1eb7c c\u00e1c b\u1ea3n thi\u1ebft k\u1ebf m\u1ea1ch d\u00e0y \u0111\u1eb7c, b\u1ea1n th\u01b0\u1eddng kh\u00f4ng th\u1ec3 coi b\u1ea3ng m\u1ea1ch in (PCB) ch\u1ec9 l\u00e0 m\u1ed9t ph\u1ea7n ph\u1ee5. N\u00f3 tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 t\u00e1ch r\u1eddi c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-31-so-what-is-a-pcb-board-really\">V\u1eady th\u1ef1c ra b\u1ea3ng m\u1ea1ch in (PCB) l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p>\u0110\u00e2y l\u00e0 m\u1ed9t n\u1ec1n t\u1ea3ng \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n nh\u1eb1m th\u1ef1c hi\u1ec7n hai nhi\u1ec7m v\u1ee5 c\u00f9ng l\u00fac:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>D\u1eabn truy\u1ec1n t\u00edn hi\u1ec7u \u0111i\u1ec7n v\u00e0 ngu\u1ed3n \u0111i\u1ec7n<\/strong> qua c\u00e1c \u0111\u01b0\u1eddng d\u1eabn b\u1eb1ng \u0111\u1ed3ng.<\/li>\n\n\n\n<li><strong>H\u1ed7 tr\u1ee3 v\u00e0 b\u1ea3o v\u1ec7 m\u1ea1ch v\u1ec1 m\u1eb7t c\u01a1 h\u1ecdc<\/strong> \u0111\u1ec3 s\u1ea3n ph\u1ea9m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp r\u00e1p, v\u1eadn chuy\u1ec3n, s\u1eed d\u1ee5ng v\u00e0 s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady.<\/li>\n<\/ol>\n\n\n\n<p>Ch\u1ec9 c\u00f3 th\u1ebf th\u00f4i. Nh\u01b0ng \u0111\u00f3 c\u0169ng ch\u00ednh l\u00e0 l\u00fd do t\u1ea1i sao c\u00e1c b\u1ea3ng m\u1ea1ch in (PCB) l\u1ea1i \u00e2m th\u1ea7m chi ph\u1ed1i th\u1ebf gi\u1edbi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-32-need-a-reliable-pcb-board-made\">B\u1ea1n c\u1ea7n s\u1ea3n xu\u1ea5t m\u1ed9t b\u1ea3ng m\u1ea1ch in (PCB) ch\u1ea5t l\u01b0\u1ee3ng cao?<\/h2>\n\n\n\n<p>B\u1ea1n \u0111ang c\u1ea7n m\u1ed9t b\u1ea3ng m\u1ea1ch in (PCB) \u0111\u00e1ng tin c\u1eady cho d\u1ef1 \u00e1n ti\u1ebfp theo c\u1ee7a m\u00ecnh? T\u1ea1i <strong>Philifast<\/strong>, ch\u00fang t\u00f4i cung c\u1ea5p d\u1ecbch v\u1ee5 s\u1ea3n xu\u1ea5t PCB ch\u1ea5t l\u01b0\u1ee3ng cao v\u1edbi hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh, th\u1eddi gian ho\u00e0n th\u00e0nh nhanh ch\u00f3ng v\u00e0 h\u1ed7 tr\u1ee3 chuy\u00ean nghi\u1ec7p. D\u00f9 qu\u00fd kh\u00e1ch c\u1ea7n s\u1ea3n xu\u1ea5t m\u1eabu th\u1eed hay s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t, \u0111\u1ed9i ng\u0169 c\u1ee7a ch\u00fang t\u00f4i lu\u00f4n s\u1eb5n s\u00e0ng h\u1ed7 tr\u1ee3 qu\u00fd kh\u00e1ch hi\u1ec7n th\u1ef1c h\u00f3a thi\u1ebft k\u1ebf c\u1ee7a m\u00ecnh. Truy c\u1eadp <a href=\"https:\/\/flj-pcb.com\/vi\/\" data-type=\"page\" data-id=\"6\"><strong><strong>Philifast<\/strong><\/strong> <\/a>\u0111\u1ec3 nh\u1eadn b\u00e1o gi\u00e1 ngay h\u00f4m nay.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-33-faqs-frequently-asked-questions\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-34-what-is-a-pcb-board-and-why-is-it-important-in-electronics\">B\u1ea3ng m\u1ea1ch in (PCB) l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao n\u00f3 l\u1ea1i quan tr\u1ecdng trong l\u0129nh v\u1ef1c \u0111i\u1ec7n t\u1eed?<\/h3>\n\n\n\n<p>B\u1ea3ng m\u1ea1ch in (PCB) l\u00e0 m\u1ed9t t\u1ea5m b\u1ea3ng c\u00e1ch \u0111i\u1ec7n c\u00f3 c\u00e1c \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ed3ng d\u1eabn \u0111i\u1ec7n gi\u00fap k\u1ebft n\u1ed1i c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed v\u1edbi nhau. PCB \u0111\u00f3ng vai tr\u00f2 l\u00e0 x\u01b0\u01a1ng s\u1ed1ng c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed hi\u1ec7n \u0111\u1ea1i b\u1eb1ng c\u00e1ch d\u1eabn d\u00f2ng \u0111i\u1ec7n v\u00e0 t\u00edn hi\u1ec7u \u0111\u1ebfn c\u00e1c v\u1ecb tr\u00ed c\u1ea7n thi\u1ebft, \u0111\u1ed3ng th\u1eddi gi\u1eef c\u00e1c linh ki\u1ec7n c\u1ed1 \u0111\u1ecbnh v\u1ec1 m\u1eb7t c\u01a1 h\u1ecdc \u0111\u1ec3 tr\u00e1nh t\u00ecnh tr\u1ea1ng d\u00e2y d\u1eabn d\u1ec5 v\u1ee1 b\u1ecb r\u1ed1i lo\u1ea1n. PCB l\u00e0 th\u00e0nh ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu v\u00ec ch\u00fang \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i m\u1ea1ch, cung c\u1ea5p s\u1ef1 h\u1ed7 tr\u1ee3 v\u1ec1 m\u1eb7t c\u1ea5u tr\u00fac, b\u1ea3o v\u1ec7 ch\u1ed1ng ch\u1eadp m\u1ea1ch v\u00e0 \u00f4 nhi\u1ec5m, n\u00e2ng cao hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho vi\u1ec7c b\u1ea3o tr\u00ec, \u0111\u1ed3ng th\u1eddi cho ph\u00e9p t\u00edch h\u1ee3p m\u1eadt \u0111\u1ed9 cao trong c\u00e1c thi\u1ebft b\u1ecb.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-35-what-does-pcb-stand-for-and-how-is-it-different-from-pwb-and-pcba\">PCB l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a t\u1eeb g\u00ec v\u00e0 n\u00f3 kh\u00e1c v\u1edbi PWB v\u00e0 PCBA nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n\n\n\n<p>PCB l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a Printed Circuit Board (B\u1ea3ng m\u1ea1ch in). PWB c\u00f3 ngh\u0129a l\u00e0 Printed Wiring Board (B\u1ea3ng m\u1ea1ch d\u00e2y in) v\u00e0 th\u01b0\u1eddng d\u00f9ng \u0111\u1ec3 ch\u1ec9 b\u1ea3ng m\u1ea1ch tr\u1ea7n tr\u01b0\u1edbc khi l\u1eafp r\u00e1p c\u00e1c linh ki\u1ec7n. PCBA l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a Printed Circuit Board Assembly (L\u1eafp r\u00e1p b\u1ea3ng m\u1ea1ch in), t\u1ee9c l\u00e0 b\u1ea3ng m\u1ea1ch PCB sau khi c\u00e1c linh ki\u1ec7n \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1eb7t v\u00e0 h\u00e0n. M\u1eb7c d\u00f9 c\u00e1c thu\u1eadt ng\u1eef n\u00e0y \u0111\u00f4i khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng thay th\u1ebf cho nhau trong giao ti\u1ebfp h\u00e0ng ng\u00e0y, ch\u00fang l\u1ea1i nh\u1ea5n m\u1ea1nh c\u00e1c giai \u0111o\u1ea1n ho\u1eb7c kh\u00eda c\u1ea1nh kh\u00e1c nhau c\u1ee7a b\u1ea3ng m\u1ea1ch.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-36-what-materials-are-commonly-used-to-make-a-pcb\">Nh\u1eefng v\u1eadt li\u1ec7u n\u00e0o th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t b\u1ea3ng m\u1ea1ch in (PCB)?<\/h3>\n\n\n\n<p>H\u1ea7u h\u1ebft c\u00e1c b\u1ea3ng m\u1ea1ch in (PCB) th\u00f4ng d\u1ee5ng \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1eeb nhi\u1ec1u l\u1edbp, bao g\u1ed3m: v\u1eadt li\u1ec7u n\u1ec1n (substrate) th\u01b0\u1eddng l\u00e0 FR4 \u2013 m\u1ed9t lo\u1ea1i s\u1ee3i th\u1ee7y tinh d\u1ec7t k\u1ebft h\u1ee3p v\u1edbi nh\u1ef1a epoxy; l\u00e1 \u0111\u1ed3ng m\u1ecfng \u0111\u01b0\u1ee3c d\u00e1n l\u00ean v\u1eadt li\u1ec7u n\u1ec1n v\u00e0 \u0111\u01b0\u1ee3c \u0103n m\u00f2n \u0111\u1ec3 t\u1ea1o th\u00e0nh c\u00e1c \u0111\u01b0\u1eddng d\u1eabn; l\u1edbp m\u00e0ng ch\u1ed1ng h\u00e0n (th\u01b0\u1eddng c\u00f3 m\u00e0u xanh l\u00e1 c\u00e2y) gi\u00fap b\u1ea3o v\u1ec7 \u0111\u1ed3ng kh\u1ecfi b\u1ecb \u0103n m\u00f2n v\u00e0 ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng c\u1ea7u h\u00e0n; in l\u1ee5a \u0111\u1ec3 in nh\u00e3n v\u00e0 k\u00fd hi\u1ec7u linh ki\u1ec7n; c\u00f9ng v\u1edbi l\u1edbp ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t nh\u01b0 HASL ho\u1eb7c ENIG nh\u1eb1m \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh h\u00e0n di\u1ec5n ra \u0111\u00e1ng tin c\u1eady v\u00e0 ng\u0103n ng\u1eeba qu\u00e1 tr\u00ecnh oxy h\u00f3a.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-37-how-do-the-copper-traces-pads-and-vias-function-on-a-pcb\">C\u00e1c \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ed3ng, \u0111i\u1ec3m ti\u1ebfp x\u00fac v\u00e0 l\u1ed7 th\u00f4ng tr\u00ean b\u1ea3ng m\u1ea1ch in (PCB) ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n\n\n\n<p>C\u00e1c \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ed3ng tr\u00ean b\u1ea3ng m\u1ea1ch in (PCB) ho\u1ea1t \u0111\u1ed9ng nh\u01b0 nh\u1eefng con \u0111\u01b0\u1eddng d\u1eabn d\u00f2ng \u0111i\u1ec7n v\u00e0 t\u00edn hi\u1ec7u gi\u1eefa c\u00e1c linh ki\u1ec7n (nh\u1eefng t\u00f2a nh\u00e0). C\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac \u0111\u00f3ng vai tr\u00f2 nh\u01b0 b\u00e3i \u0111\u1ed7 xe, n\u01a1i c\u00e1c linh ki\u1ec7n \u0111\u01b0\u1ee3c h\u00e0n ch\u1eafc ch\u1eafn l\u00ean b\u1ea3ng m\u1ea1ch. C\u00e1c l\u1ed7 th\u00f4ng (vias) ho\u1ea1t \u0111\u1ed9ng nh\u01b0 thang m\u00e1y, chuy\u1ec3n t\u00edn hi\u1ec7u gi\u1eefa c\u00e1c l\u1edbp (t\u1ea7ng) kh\u00e1c nhau c\u1ee7a b\u1ea3ng m\u1ea1ch in nhi\u1ec1u l\u1edbp. Vi\u1ec7c thi\u1ebft k\u1ebf c\u1ea9n th\u1eadn c\u00e1c \u0111\u01b0\u1eddng d\u1eabn n\u00e0y \u2014 bao g\u1ed3m chi\u1ec1u r\u1ed9ng, kho\u1ea3ng c\u00e1ch v\u00e0 \u0111\u01b0\u1eddng \u0111i \u2014 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t m\u1ea1ch, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c thi\u1ebft k\u1ebf t\u1ed1c \u0111\u1ed9 cao ho\u1eb7c t\u1ea7n s\u1ed1 cao.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-38-what-are-the-common-types-of-pcbs-used-in-electronic-devices\">C\u00e1c lo\u1ea1i PCB ph\u1ed5 bi\u1ebfn th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p>C\u00e1c lo\u1ea1i PCB ph\u1ed5 bi\u1ebfn bao g\u1ed3m: PCB m\u1ed9t m\u1eb7t v\u1edbi l\u1edbp \u0111\u1ed3ng \u1edf m\u1ed9t m\u1eb7t, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed \u0111\u01a1n gi\u1ea3n; PCB hai m\u1eb7t v\u1edbi l\u1edbp \u0111\u1ed3ng \u1edf c\u1ea3 hai m\u1eb7t, \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i b\u1eb1ng c\u00e1c l\u1ed7 vias, mang l\u1ea1i kh\u00f4ng gian b\u1ed1 tr\u00ed m\u1ea1ch r\u1ed9ng r\u00e3i h\u01a1n; PCB nhi\u1ec1u l\u1edbp v\u1edbi ba l\u1edbp tr\u1edf l\u00ean, cho ph\u00e9p b\u1ed1 tr\u00ed m\u1ea1ch g\u1ecdn g\u00e0ng h\u01a1n v\u00e0 gi\u1ea3m nhi\u1ec5u cho c\u00e1c thi\u1ebft b\u1ecb hi\u1ec7n \u0111\u1ea1i; PCB c\u1ee9ng l\u00e0 c\u00e1c b\u1ea3ng m\u1ea1ch c\u1ee9ng; PCB d\u1ebbo l\u00e0 c\u00e1c b\u1ea3ng m\u1ea1ch m\u1ecfng v\u00e0 linh ho\u1ea1t d\u00e0nh cho kh\u00f4ng gian h\u1eb9p nh\u01b0 \u0111i\u1ec7n tho\u1ea1i; PCB c\u1ee9ng-d\u1ebbo k\u1ebft h\u1ee3p c\u1ea3 ph\u1ea7n c\u1ee9ng v\u00e0 ph\u1ea7n d\u1ebbo; v\u00e0 PCB t\u1ea7n s\u1ed1 cao\/t\u1ed1c \u0111\u1ed9 cao \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf b\u1eb1ng v\u1eadt li\u1ec7u \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 x\u1eed l\u00fd t\u00edn hi\u1ec7u RF, kh\u00f4ng d\u00e2y ho\u1eb7c t\u00edn hi\u1ec7u s\u1ed1 t\u1ed1c \u0111\u1ed9 cao.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-39-why-do-modern-electronics-often-use-multilayer-pcbs-instead-of-single-or-double-sided-ones\">T\u1ea1i sao c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed hi\u1ec7n \u0111\u1ea1i th\u01b0\u1eddng s\u1eed d\u1ee5ng b\u1ea3ng m\u1ea1ch in nhi\u1ec1u l\u1edbp thay v\u00ec b\u1ea3ng m\u1ea1ch in m\u1ed9t m\u1eb7t ho\u1eb7c hai m\u1eb7t?<\/h3>\n\n\n\n<p>C\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed hi\u1ec7n \u0111\u1ea1i s\u1eed d\u1ee5ng b\u1ea3ng m\u1ea1ch in nhi\u1ec1u l\u1edbp (PCB) v\u00ec ch\u00fang cung c\u1ea5p th\u00eam c\u00e1c l\u1edbp \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn t\u00edn hi\u1ec7u, ph\u00e2n ph\u1ed1i ngu\u1ed3n \u0111i\u1ec7n v\u00e0 n\u1ed1i \u0111\u1ea5t, t\u1eeb \u0111\u00f3 mang l\u1ea1i b\u1ed1 c\u1ee5c g\u1ecdn g\u00e0ng h\u01a1n v\u1edbi m\u1ee9c nhi\u1ec5u \u0111i\u1ec7n t\u1eeb th\u1ea5p h\u01a1n. B\u1ea3ng m\u1ea1ch nhi\u1ec1u l\u1edbp h\u1ed7 tr\u1ee3 c\u00e1c b\u1ed1 c\u1ee5c t\u1ed1c \u0111\u1ed9 cao c\u1ea7n thi\u1ebft cho c\u00e1c thi\u1ebft b\u1ecb ti\u00ean ti\u1ebfn b\u1eb1ng c\u00e1ch cho ph\u00e9p t\u1ea1o ra c\u00e1c \u0111\u01b0\u1eddng d\u1eabn t\u00edn hi\u1ec7u m\u1ea3nh v\u00e0 c\u00e1c l\u1ed7 vias nh\u1ecf. M\u1eb7c d\u00f9 ch\u00fang l\u00e0m t\u0103ng \u0111\u1ed9 ph\u1ee9c t\u1ea1p v\u00e0 chi ph\u00ed s\u1ea3n xu\u1ea5t so v\u1edbi b\u1ea3ng m\u1ea1ch m\u1ed9t m\u1eb7t ho\u1eb7c hai m\u1eb7t, nh\u01b0ng PCB nhi\u1ec1u l\u1edbp l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c t\u00edch h\u1ee3p m\u1eadt \u0111\u1ed9 cao v\u00e0 hi\u1ec7u su\u1ea5t \u0111\u00e1ng tin c\u1eady trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n t\u1eed ph\u1ee9c t\u1ea1p.<\/p>","protected":false},"excerpt":{"rendered":"<p>If you\u2019ve ever used a digital clock, calculator, TV remote, router, laptop, or even a kid\u2019s toy, you\u2019ve used a [&hellip;]<\/p>","protected":false},"author":1,"featured_media":4896,"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":[30],"tags":[163,37,29,53],"class_list":["post-4895","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pcb-manufacturers","tag-multilayer-pcb","tag-pcb-design","tag-pcb-manufacturers","tag-pcb-manufacturing"],"spectra_custom_meta":{"_edit_lock":["1778230674:1"],"rank_math_internal_links_processed":["1"],"rank_math_primary_category":["30"],"rank_math_seo_score":["84"],"rank_math_title":["What Is a PCB Board? 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