{"id":9389,"date":"2025-12-11T09:52:55","date_gmt":"2025-12-11T09:52:55","guid":{"rendered":"https:\/\/www.omch.com\/?p=9389"},"modified":"2025-12-11T09:52:56","modified_gmt":"2025-12-11T09:52:56","slug":"pcb-vs-pcba","status":"publish","type":"post","link":"https:\/\/www.omch.com\/vi\/pcb-vs-pcba\/","title":{"rendered":"PCB so v\u1edbi PCBA: L\u1ef1a ch\u1ecdn kh\u00f4n ngoan \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n trong \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p"},"content":{"rendered":"<p>L\u0129nh v\u1ef1c m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p v\u00e0 k\u1ef9 thu\u1eadt \u0111i\u1ec7n th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c thu\u1eadt ng\u1eef n\u00e0y m\u1ed9t c\u00e1ch \u0111\u1ed3ng nh\u1ea5t v\u00e0 thi\u1ebfu ph\u00e2n bi\u1ec7t, trong khi tr\u00ean th\u1ef1c t\u1ebf, PCB (B\u1ea3ng m\u1ea1ch in) v\u00e0 PCBA (B\u1ed9 l\u1eafp r\u00e1p b\u1ea3ng m\u1ea1ch in) l\u1ea1i c\u00f3 nh\u1eefng kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 v\u1ec1 \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a quy tr\u00ecnh s\u1ea3n xu\u1ea5t, chi ph\u00ed li\u00ean quan v\u00e0 c\u00e1c ch\u1ee9c n\u0103ng c\u1ee7a s\u1ea3n ph\u1ea9m. \u0110\u1ed1i v\u1edbi c\u00e1c k\u1ef9 s\u01b0 v\u00e0 ng\u01b0\u1eddi mua trong c\u00e1c l\u0129nh v\u1ef1c chuy\u00ean m\u00f4n, n\u01a1i m\u00e0 s\u1ef1 thi\u1ebfu hi\u1ec7u qu\u1ea3 trong h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n c\u00f4ng nghi\u1ec7p d\u1eabn \u0111\u1ebfn nh\u1eefng t\u1ed5n th\u1ea5t kh\u1ed5ng l\u1ed3, vi\u1ec7c ph\u00e2n bi\u1ec7t gi\u1eefa m\u1ed9t m\u1ea1ch in v\u00e0 m\u1ed9t b\u1ea3ng m\u1ea1ch \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eafp r\u00e1p ho\u00e0n ch\u1ec9nh kh\u00f4ng ch\u1ec9 l\u00e0 v\u1ea5n \u0111\u1ec1 ng\u1eef ngh\u0129a; \u0111\u00f3 l\u00e0 v\u1ea5n \u0111\u1ec1 chi\u1ebfn l\u01b0\u1ee3c.<\/p>\n\n\n\n<p>M\u1ee5c \u0111\u00edch c\u1ee7a t\u00e0i li\u1ec7u n\u00e0y l\u00e0 t\u00ecm hi\u1ec3u s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa phi\u00ean b\u1ea3n bo m\u1ea1ch tr\u1ea7n v\u00e0 phi\u00ean b\u1ea3n \u0111\u00e3 l\u1eafp r\u00e1p trong b\u1ed1i c\u1ea3nh \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p, n\u01a1i \u0111\u1ed9 b\u1ec1n c\u1ee7a c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed, \u0111\u1ed9 tin c\u1eady c\u1ee7a ch\u00fang v\u00e0 s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a chu\u1ed7i cung \u1ee9ng l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img alt=\"\" fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.omch.com\/wp-content\/uploads\/2025\/12\/PCB.webp\" class=\"wp-image-9378\" style=\"object-fit:cover;width:512px;height:384px\" srcset=\"https:\/\/www.omch.com\/wp-content\/uploads\/2025\/12\/PCB.webp 1024w, https:\/\/www.omch.com\/wp-content\/uploads\/2025\/12\/PCB-300x225.webp 300w, https:\/\/www.omch.com\/wp-content\/uploads\/2025\/12\/PCB-768x576.webp 768w, https:\/\/www.omch.com\/wp-content\/uploads\/2025\/12\/PCB-16x12.webp 16w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">PCB l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p>Trong c\u00e1c s\u1ea3n ph\u1ea9m v\u00e0 \u1ee9ng d\u1ee5ng \u0111i\u1ec7n t\u1eed, B\u1ea3ng m\u1ea1ch in (PCB) \u0111\u00f3ng vai tr\u00f2 l\u00e0 b\u1ed9 k\u1ebft n\u1ed1i \u0111i\u1ec7n v\u00e0 khung \u0111\u1ee1 c\u01a1 h\u1ecdc. Tr\u01b0\u1edbc khi \u0111\u01b0\u1ee3c ho\u00e0n thi\u1ec7n, n\u00f3 th\u1ef1c ch\u1ea5t l\u00e0 m\u1ed9t PCB tr\u1ed1ng ho\u1eb7c t\u1ea5m m\u1ea1ch ph\u1eb3ng \u2014 m\u1ed9t linh ki\u1ec7n ch\u01b0a ho\u1ea1t \u0111\u1ed9ng. N\u00f3 bao g\u1ed3m m\u1ed9t ch\u1ea5t n\u1ec1n kh\u00f4ng d\u1eabn \u0111i\u1ec7n \u2014 th\u01b0\u1eddng l\u00e0 v\u1eadt li\u1ec7u laminate nh\u1ef1a epoxy gia c\u1ed1 b\u1eb1ng s\u1ee3i th\u1ee7y tinh (FR4) \u2014 \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi c\u00e1c l\u1edbp d\u1eabn \u0111i\u1ec7n l\u00e0m t\u1eeb l\u00e1 \u0111\u1ed3ng.<\/p>\n\n\n\n<p>M\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a m\u1ed9t b\u1ea3ng m\u1ea1ch in (PCB) l\u00e0 \u0111\u00f3ng vai tr\u00f2 l\u00e0m n\u1ec1n t\u1ea3ng \u0111\u1ec3 l\u1eafp r\u00e1p c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed v\u00e0 t\u1ea1o ra c\u00e1c \u0111\u01b0\u1eddng d\u1eabn k\u1ebft n\u1ed1i ch\u00fang v\u1edbi nhau nh\u1eb1m truy\u1ec1n t\u1ea3i \u0111i\u1ec7n n\u0103ng v\u00e0 t\u00edn hi\u1ec7u. So v\u1edbi c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng, PCB trong m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c v\u00e0 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 th\u00edch \u1ee9ng v\u1edbi m\u1ee9c \u0111\u1ed9 hao m\u00f2n cao h\u01a1n d\u01b0\u1edbi d\u1ea1ng d\u00f2ng \u0111i\u1ec7n, \u0111i\u1ec7n \u00e1p v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n. Tuy nhi\u00ean, b\u1ea3n th\u00e2n m\u1ed9t PCB kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u00f3 ch\u1ee9c n\u0103ng. N\u1ebfu kh\u00f4ng c\u00f3 c\u00e1c linh ki\u1ec7n ch\u1ee7 \u0111\u1ed9ng, n\u00f3 kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng th\u1ef1c hi\u1ec7n b\u1ea5t k\u1ef3 qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i ngu\u1ed3n, x\u1eed l\u00fd t\u00edn hi\u1ec7u hay c\u00e1c ph\u00e9p to\u00e1n logic n\u00e0o. Thay v\u00e0o \u0111\u00f3, \u0111\u00f3 l\u00e0 kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n<p>M\u1ee9c \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a thi\u1ebft k\u1ebf PCB b\u1ecb \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp b\u1edfi m\u1ee9c \u0111\u1ed9 d\u00e0y \u0111\u1eb7c c\u1ee7a thi\u1ebft k\u1ebf m\u1ea1ch \u0111i\u1ec7n t\u1eed v\u00e0 c\u00e1c gi\u1edbi h\u1ea1n v\u1ec1 k\u00edch th\u01b0\u1edbc c\u1ee7a v\u1ecf thi\u1ebft b\u1ecb. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c lo\u1ea1i PCB th\u00f4ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Lo\u1ea1i PCB<\/strong><\/td><td><strong>C\u1ea5u tr\u00fac<\/strong><\/td><td><strong>\u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p \u0111i\u1ec3n h\u00ecnh<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>M\u1ed9t m\u1eb7t<\/strong><\/td><td>M\u1ed9t l\u1edbp ch\u1ea5t n\u1ec1n c\u00f3 v\u1eadt li\u1ec7u d\u1eabn \u0111i\u1ec7n ch\u1ec9 \u1edf m\u1ed9t m\u1eb7t.<\/td><td>C\u00e1c m\u00f4-\u0111un r\u01a1-le \u0111\u01a1n gi\u1ea3n, m\u1ea1ch \u0111\u00e8n LED v\u00e0 b\u1ed9 ngu\u1ed3n c\u01a1 b\u1ea3n.<\/td><\/tr><tr><td><strong>Hai m\u1eb7t<\/strong><\/td><td>V\u1eadt li\u1ec7u d\u1eabn \u0111i\u1ec7n \u1edf c\u1ea3 hai m\u1eb7t; c\u00e1c l\u1edbp \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi nhau th\u00f4ng qua c\u00e1c l\u1ed7 xuy\u00ean m\u1ea1 (PTH).<\/td><td>H\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n c\u00f4ng nghi\u1ec7p, b\u1ed9 bi\u1ebfn t\u1ea7n, thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng.<\/td><\/tr><tr><td><strong>Nhi\u1ec1u l\u1edbp<\/strong><\/td><td>Ba l\u1edbp d\u1eabn \u0111i\u1ec7n tr\u1edf l\u00ean \u0111\u01b0\u1ee3c ng\u0103n c\u00e1ch b\u1edfi v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n.<\/td><td>C\u00e1c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n logic kh\u1ea3 tr\u00ecnh (PLC) ph\u1ee9c t\u1ea1p, h\u1ec7 th\u1ed1ng giao di\u1ec7n ng\u01b0\u1eddi-m\u00e1y (HMI), thi\u1ebft b\u1ecb y t\u1ebf, truy\u1ec1n d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao.<\/td><\/tr><tr><td><strong>C\u1ee9ng-m\u1ec1m<\/strong><\/td><td>S\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa c\u00f4ng ngh\u1ec7 b\u1ea3ng m\u1ea1ch c\u1ee9ng v\u00e0 c\u00f4ng ngh\u1ec7 b\u1ea3ng m\u1ea1ch d\u1ebbo.<\/td><td>Kh\u1edbp c\u1ee7a c\u00e1nh tay robot, c\u1ea3m bi\u1ebfn \u00f4 t\u00f4, thi\u1ebft b\u1ecb t\u1ef1 \u0111\u1ed9ng h\u00f3a nh\u1ecf g\u1ecdn.<\/td><\/tr><tr><td><strong>T\u1ea7n s\u1ed1 cao<\/strong><\/td><td>S\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u ti\u00ean ti\u1ebfn (v\u00ed d\u1ee5: Rogers) \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i c\u1ee5 th\u1ec3.<\/td><td>H\u1ec7 th\u1ed1ng radar, h\u1ea1 t\u1ea7ng vi\u1ec5n th\u00f4ng t\u1ed1c \u0111\u1ed9 cao.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">PCBA l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p>M\u1ed9t c\u1ee5m b\u1ea3ng m\u1ea1ch in (PCBA) l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a vi\u1ec7c l\u1ea5y m\u1ed9t b\u1ea3ng m\u1ea1ch tr\u1ea7n v\u00e0 l\u1eafp r\u00e1p c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed l\u00ean \u0111\u00f3 \u2014 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng b\u1ed9t h\u00e0n v\u00e0 l\u00f2 nung l\u1ea1i \u2014 \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t m\u1ea1ch \u0111i\u1ec7n t\u1eed ho\u00e0n ch\u1ec9nh. \u0110\u00e2y l\u00e0 b\u01b0\u1edbc cu\u1ed1i c\u00f9ng trong quy tr\u00ecnh l\u1eafp r\u00e1p PCB. Trong khi PCB l\u00e0 c\u1ea5u tr\u00fac c\u1ee7a thi\u1ebft b\u1ecb, th\u00ec PCBA ch\u00ednh l\u00e0 ph\u1ea7n \u201cs\u1ed1ng\u201d c\u1ee7a thi\u1ebft b\u1ecb. So v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t, c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn v\u00e0 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 tr\u00f4ng sang tr\u1ecdng v\u00e0 tinh t\u1ebf, c\u00e1c s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed c\u00f4ng nghi\u1ec7p \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1eeb c\u00e1c PCBA \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 c\u00f3 \u0111\u1ed9 b\u1ec1n cao, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng \u0111\u01b0\u1ee3c c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t.<\/p>\n\n\n\n<p>T\u00f9y thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p c\u1ee5 th\u1ec3 c\u1ee7a thi\u1ebft b\u1ecb, PCBA c\u00f3 th\u1ec3 l\u00e0 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1 (VFD) \u2013 \u0111\u00f3ng vai tr\u00f2 nh\u01b0 \u201cc\u01a1 b\u1eafp\u201d c\u1ee7a thi\u1ebft b\u1ecb, \u0111i\u1ec1u khi\u1ec3n c\u00f4ng su\u1ea5t v\u00e0 m\u00f4-men xo\u1eafn \u2013 ho\u1eb7c l\u00e0 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n logic l\u1eadp tr\u00ecnh (PLC) \u2013 th\u1ef1c hi\u1ec7n x\u1eed l\u00fd logic nh\u01b0 \u201cb\u1ed9 n\u00e3o\u201d. T\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb n\u00e0y \u0111\u1ec1u c\u1ea7n m\u1ed9t b\u1ed9 ngu\u1ed3n (PSU) \u0111\u1ec3 cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng \u1ed5n \u0111\u1ecbnh, sau \u0111\u00f3 \u0111i\u1ec1u khi\u1ec3n thi\u1ebft b\u1ecb th\u00f4ng qua giao di\u1ec7n ng\u01b0\u1eddi-m\u00e1y (HMI) ph\u1ee9c t\u1ea1p. \u0110\u1ed1i v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb n\u00e0y, PCBA l\u00e0 b\u1ed9 ph\u1eadn quan tr\u1ecdng nh\u1ea5t.<\/p>\n\n\n\n<p>N\u1ebfu qu\u00fd v\u1ecb mu\u1ed1n t\u00ecm hi\u1ec3u chi ti\u1ebft v\u1ec1 m\u1ed9t s\u1ed1 k\u1ef9 thu\u1eadt s\u1ea3n xu\u1ea5t (C\u00f4ng ngh\u1ec7 l\u1eafp r\u00e1p b\u1ec1 m\u1eb7t so v\u1edbi C\u00f4ng ngh\u1ec7 l\u1eafp r\u00e1p xuy\u00ean l\u1ed7), c\u00f9ng v\u1edbi to\u00e0n b\u1ed9 quy tr\u00ecnh l\u1eafp r\u00e1p, vui l\u00f2ng tham kh\u1ea3o h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt to\u00e0n di\u1ec7n c\u1ee7a ch\u00fang t\u00f4i: <a href=\"https:\/\/www.omch.com\/vi\/printed-circuit-board-assembly\/\">L\u1eafp r\u00e1p b\u1ea3ng m\u1ea1ch in<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">PCB v\u00e0 PCBA: Nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t quan tr\u1ecdng l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p>\u0110\u1ec3 \u0111\u01b0a ra c\u00e1c quy\u1ebft \u0111\u1ecbnh \u0111\u00fang \u0111\u1eafn v\u1ec1 vi\u1ec7c l\u1ef1a ch\u1ecdn nh\u00e0 cung c\u1ea5p, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa PCBA v\u00e0 PCB tr\u00ean nhi\u1ec1u kh\u00eda c\u1ea1nh. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y n\u00eau r\u00f5 nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>T\u00ednh n\u0103ng<\/td><td>PCB (B\u1ea3ng m\u1ea1ch in)<\/td><td>L\u1eafp r\u00e1p b\u1ea3ng m\u1ea1ch in<\/td><\/tr><tr><td>\u0110\u1ecbnh ngh\u0129a<\/td><td>M\u1ed9t t\u1ea5m v\u00e1n tr\u1ea7n c\u00f3 c\u00e1c \u0111\u01b0\u1eddng m\u1ea1ch \u0111\u1ed3ng v\u00e0 c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac tr\u00ean PCB.<\/td><td>M\u1ed9t bo m\u1ea1ch \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eafp r\u00e1p ho\u00e0n ch\u1ec9nh v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c linh ki\u1ec7n \u0111\u01b0\u1ee3c h\u00e0n qua c\u00e1c \u0111i\u1ec3m h\u00e0n.<\/td><\/tr><tr><td>Ch\u1ee9c n\u0103ng<\/td><td>Cung c\u1ea5p k\u1ebft n\u1ed1i \u0111i\u1ec7n; kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng x\u1eed l\u00fd logic.<\/td><td>Th\u1ef1c hi\u1ec7n c\u00e1c ch\u1ee9c n\u0103ng \u0111i\u1ec7n t\u1eed c\u1ee5 th\u1ec3 (\u0111i\u1ec1u khi\u1ec3n, c\u1ea5p ngu\u1ed3n, c\u1ea3m bi\u1ebfn).<\/td><\/tr><tr><td>Quy tr\u00ecnh s\u1ea3n xu\u1ea5t<\/td><td>Vi\u1ec7c b\u1ed1 tr\u00ed linh ki\u1ec7n, h\u00e0n b\u1eb1ng l\u00f2 nung l\u1ea1i v\u00e0 ki\u1ec3m tra quang h\u1ecdc t\u1ef1 \u0111\u1ed9ng.<\/td><td>B\u1ed1 tr\u00ed linh ki\u1ec7n, h\u00e0n b\u1eb1ng l\u00f2 nung l\u1ea1i, ki\u1ec3m tra quang h\u1ecdc t\u1ef1 \u0111\u1ed9ng.<\/td><\/tr><tr><td>Y\u1ebfu t\u1ed1 chi ph\u00ed<\/td><td>S\u1ed1 l\u1edbp, lo\u1ea1i v\u1eadt li\u1ec7u (FR4\/Rogers), k\u00edch th\u01b0\u1edbc b\u1ea3ng m\u1ea1ch.<\/td><td>Chi ph\u00ed BOM (linh ki\u1ec7n), chi ph\u00ed nh\u00e2n c\u00f4ng l\u1eafp r\u00e1p PCB, m\u1ee9c \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a qu\u00e1 tr\u00ecnh ki\u1ec3m tra.<\/td><\/tr><tr><td>Th\u1eddi gian th\u1ef1c hi\u1ec7n<\/td><td>Th\u01b0\u1eddng ng\u1eafn h\u01a1n (t\u1eeb v\u00e0i ng\u00e0y \u0111\u1ebfn v\u00e0i tu\u1ea7n).<\/td><td>Th\u1eddi gian l\u00e2u h\u01a1n (t\u00f9y thu\u1ed9c v\u00e0o chu\u1ed7i cung \u1ee9ng v\u00e0 th\u1eddi gian l\u1eafp r\u00e1p).<\/td><\/tr><tr><td>Ki\u1ec3m th\u1eed<\/td><td>Ki\u1ec3m tra \u0111i\u1ec7n (\u0111\u1ed9 d\u1eabn \u0111i\u1ec7n), ki\u1ec3m so\u00e1t tr\u1edf kh\u00e1ng.<\/td><td>Ki\u1ec3m tra ch\u1ee9c n\u0103ng (FCT), Ki\u1ec3m tra tr\u00ean m\u1ea1ch (ICT), Ki\u1ec3m tra l\u00e3o h\u00f3a.<\/td><\/tr><tr><td>Ti\u00eau chu\u1ea9n<\/td><td>IPC-600 (Ti\u00eau chu\u1ea9n ch\u1ea5p nh\u1eadn \u0111\u1ed1i v\u1edbi b\u1ea3ng m\u1ea1ch in).<\/td><td>IPC-610 (Ti\u00eau chu\u1ea9n ch\u1ea5p nh\u1eadn \u0111\u1ed1i v\u1edbi c\u00e1c c\u1ee5m linh ki\u1ec7n \u0111i\u1ec7n t\u1eed).<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">T\u00ednh \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 ch\u1ee9c n\u0103ng v\u00e0 c\u1ea5u tr\u00fac danh m\u1ee5c v\u1eadt li\u1ec7u (BOM)<\/h3>\n\n\n\n<p>Trong Danh m\u1ee5c v\u1eadt li\u1ec7u (BOM), c\u00f3 th\u1ec3 th\u1ea5y s\u1ef1 kh\u00e1c bi\u1ec7t l\u1edbn nh\u1ea5t. M\u1ed9t b\u1ea3ng m\u1ea1ch in (PCB), x\u00e9t ri\u00eang l\u1ebb, ch\u1ec9 \u0111\u01b0\u1ee3c t\u00ednh l\u00e0 m\u1ed9t d\u00f2ng duy nh\u1ea5t trong BOM. Ng\u01b0\u1ee3c l\u1ea1i, ch\u1ee9c n\u0103ng c\u1ee7a thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ho\u00e0n ch\u1ec9nh l\u1ea1i \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh b\u1edfi h\u00e0ng tr\u0103m, th\u1eadm ch\u00ed h\u00e0ng ngh\u00ecn linh ki\u1ec7n \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea b\u00ean c\u1ea1nh n\u00f3.<\/p>\n\n\n\n<p>Trong l\u0129nh v\u1ef1c c\u00f4ng nghi\u1ec7p, th\u00e0nh ph\u1ea7n c\u1ee7a BOM c\u00f3 t\u1ea7m quan tr\u1ecdng h\u00e0ng \u0111\u1ea7u. C\u00e1c linh ki\u1ec7n ch\u1ee7 \u0111\u1ed9ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng quy\u1ebft \u0111\u1ecbnh gi\u00e1 tr\u1ecb t\u1ed5ng th\u1ec3 c\u1ee7a h\u1ec7 th\u1ed1ng. C\u00e1c linh ki\u1ec7n th\u1ee5 \u0111\u1ed9ng trong m\u1ea1ch, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111i\u1ec7n tr\u1edf v\u00e0 t\u1ee5 \u0111i\u1ec7n, gi\u00fap \u1ed5n \u0111\u1ecbnh m\u1ea1ch.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Qu\u1ea3n l\u00fd n\u0103ng l\u01b0\u1ee3ng:<\/strong> B\u1ed9 ngu\u1ed3n chuy\u1ec3n m\u1ea1ch, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u00e8n LED v\u00e0 m\u00e1y bi\u1ebfn \u00e1p.<\/li>\n\n\n\n<li><strong>\u0110i\u1ec1u khi\u1ec3n v\u00e0 Logic:<\/strong> Vi \u0111i\u1ec1u khi\u1ec3n, PLC v\u00e0 b\u1ed9 m\u00e3 h\u00f3a.<\/li>\n\n\n\n<li><strong>K\u00edch ho\u1ea1t v\u00e0 chuy\u1ec3n m\u1ea1ch:<\/strong> C\u00f4ng t\u1eafc t\u01a1 AC, c\u1ea7u dao kh\u00f4ng kh\u00ed v\u00e0 r\u01a1le.<\/li>\n\n\n\n<li><strong>C\u1ea3m bi\u1ebfn:<\/strong> C\u1ea3m bi\u1ebfn kho\u1ea3ng c\u00e1ch, c\u1ea3m bi\u1ebfn quang \u0111i\u1ec7n v\u00e0 c\u00f4ng t\u1eafc gi\u1edbi h\u1ea1n.<\/li>\n<\/ul>\n\n\n\n<p>B\u1ea3ng m\u1ea1ch in (PCB) th\u1ef1c hi\u1ec7n c\u00e1c ch\u1ee9c n\u0103ng thi\u1ebft y\u1ebfu n\u00e0y ho\u00e0n to\u00e0n v\u1edbi vai tr\u00f2 l\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n k\u1ebft n\u1ed1i th\u1ee5 \u0111\u1ed9ng. Mi\u1ec5n l\u00e0 b\u1ea3ng m\u1ea1ch in \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t ch\u00ednh x\u00e1c. Tuy nhi\u00ean, n\u1ebfu danh m\u1ee5c v\u1eadt li\u1ec7u (BOM) quy \u0111\u1ecbnh s\u1eed d\u1ee5ng m\u1ed9t r\u01a1le c\u00f3 \u0111\u1ecbnh m\u1ee9c ti\u1ebfp \u0111i\u1ec3m kh\u00f4ng \u0111\u1ee7, ho\u1eb7c m\u1ed9t c\u1ea3m bi\u1ebfn c\u00f3 \u0111\u1eb7c t\u00ednh k\u00e9m li\u00ean quan \u0111\u1ebfn \u0111\u1ed9 tr\u00f4i nhi\u1ec7t, th\u00ec c\u1ee5m b\u1ea3ng m\u1ea1ch l\u1eafp r\u00e1p (PCBA) s\u1ebd g\u1eb7p s\u1ef1 c\u1ed1 khi v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ph\u00e2n t\u00edch c\u01a1 c\u1ea5u chi ph\u00ed: Nguy\u00ean v\u1eadt li\u1ec7u so v\u1edbi l\u1eafp r\u00e1p<\/h3>\n\n\n\n<p>Trong ph\u00e2n t\u00edch t\u00e0i ch\u00ednh so s\u00e1nh gi\u1eefa d\u1ef1 \u00e1n PCB v\u00e0 PCBA, m\u1ed9t b\u1ea3ng m\u1ea1ch tr\u1ea7n chi\u1ebfm trung b\u00ecnh t\u1eeb 10 \u0111\u1ebfn 15% t\u1ed5ng chi ph\u00ed c\u1ee7a m\u1ed7i \u0111\u01a1n v\u1ecb. Ph\u1ea7n c\u00f2n l\u1ea1i, t\u1eeb 85% \u0111\u1ebfn 90%, \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed5 cho c\u00e1c linh ki\u1ec7n, chi ph\u00ed nh\u00e2n c\u00f4ng trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p v\u00e0 ki\u1ec3m tra.<\/p>\n\n\n\n<p>M\u1ed9t hi\u1ec3u l\u1ea7m th\u01b0\u1eddng g\u1eb7p trong l\u0129nh v\u1ef1c mua s\u1eafm l\u00e0 vi\u1ec7c t\u1eadp trung v\u00e0o vi\u1ec7c \u0111\u00e0m ph\u00e1n v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t PCB v\u1ec1 gi\u00e1 c\u1ee7a b\u1ea3ng m\u1ea1ch tr\u1ea7n thay v\u00ec gi\u00e1 c\u1ee7a c\u00e1c linh ki\u1ec7n.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ph\u1ee5 t\u00f9ng th\u00f4ng d\u1ee5ng:<\/strong> Gi\u00e1 c\u1ee7a c\u00e1c \u0111i\u1ec7n tr\u1edf v\u00e0 t\u1ee5 \u0111i\u1ec7n ti\u00eau chu\u1ea9n ch\u1ec9 b\u1eb1ng m\u1ed9t ph\u1ea7n nh\u1ecf c\u1ee7a m\u1ed9t cent.<\/li>\n\n\n\n<li><strong>C\u00e1c b\u1ed9 ph\u1eadn c\u00f4ng nghi\u1ec7p quan tr\u1ecdng:<\/strong> C\u00e1c c\u1ea3m bi\u1ebfn c\u00f4ng nghi\u1ec7p chuy\u00ean d\u1ee5ng, b\u1ed9 ngu\u1ed3n c\u00f3 \u0111\u1ed9 tin c\u1eady cao ho\u1eb7c c\u00e1c b\u1ed9 ng\u1eaft m\u1ea1ch \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn c\u00f3 th\u1ec3 c\u00f3 gi\u00e1 cao h\u01a1n \u0111\u00e1ng k\u1ec3.<\/li>\n\n\n\n<li><strong>C\u00e1i <\/strong><strong>Hi\u1ec7u \u1ee9ng lan t\u1ecfa<\/strong><strong>:<\/strong> Gi\u00e1 th\u00e0nh c\u1ee7a c\u00e1c linh ki\u1ec7n c\u00f4ng nghi\u1ec7p hi\u1ec7u su\u1ea5t cao, \u0111\u1eb7c bi\u1ec7t khi ngu\u1ed3n cung trong chu\u1ed7i cung \u1ee9ng khan hi\u1ebfm, c\u00f3 th\u1ec3 ph\u1ee5 thu\u1ed9c v\u00e0o gi\u00e1 th\u1ecb tr\u01b0\u1eddng giao ngay. Chi ph\u00ed ph\u00e1t sinh do ch\u1eadm tr\u1ec5 c\u00f3 th\u1ec3 t\u0103ng cao \u0111\u1ebfn m\u1ee9c to\u00e0n b\u1ed9 d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 ph\u1ea3i ng\u1eebng ho\u1ea1t \u0111\u1ed9ng ch\u1ec9 v\u00ec thi\u1ebfu m\u1ed9t chip logic ho\u1eb7c m\u1ed9t \u0111\u1ea7u n\u1ed1i.<\/li>\n<\/ul>\n\n\n\n<p>Do \u0111\u00f3, tr\u1ecdng t\u00e2m c\u1ee7a c\u00e1c chi\u1ebfn l\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a chi ph\u00ed l\u00e0 t\u1eadp trung ph\u00e1t tri\u1ec3n h\u01a1n n\u1eefa chi\u1ebfn l\u01b0\u1ee3c danh m\u1ee5c v\u1eadt li\u1ec7u (BOM) v\u00e0 chi\u1ebfn l\u01b0\u1ee3c t\u00ecm ngu\u1ed3n cung \u1ee9ng linh ki\u1ec7n, thay v\u00ec ch\u1ec9 t\u1eadp trung v\u00e0o chi ph\u00ed s\u1ea3n xu\u1ea5t PCB.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Thi\u1ebft k\u1ebf \u0111\u1ec3 s\u1ea3n xu\u1ea5t (DFM) &amp; l\u1eafp r\u00e1p (DFA)<\/h3>\n\n\n\n<p>M\u1eb7c d\u00f9 th\u01b0\u1eddng b\u1ecb coi l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c nghi\u00ean c\u1ee9u duy nh\u1ea5t, nh\u01b0ng tr\u00ean th\u1ef1c t\u1ebf, DFM v\u00e0 DFA l\u00e0 hai l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt ri\u00eang bi\u1ec7t, m\u1ed7i l\u0129nh v\u1ef1c t\u1eadp trung v\u00e0o m\u1ed9t c\u1ea5p \u0111\u1ed9 s\u1ea3n xu\u1ea5t kh\u00e1c nhau.<\/p>\n\n\n\n<p><strong>Giai \u0111o\u1ea1n PCB (<\/strong><strong>DFM<\/strong><strong> \u2013 Thi\u1ebft k\u1ebf \u0111\u1ec3 s\u1ea3n xu\u1ea5t):<\/strong> Ph\u1ea7n n\u00e0y xem x\u00e9t c\u00e1c y\u1ebfu t\u1ed1 c\u1ee7a c\u00e1c quy tr\u00ecnh ch\u1ebf t\u1ea1o h\u00f3a h\u1ecdc v\u00e0 v\u1eadt l\u00fd. Ph\u1ea7n n\u00e0y gi\u1ea3i \u0111\u00e1p c\u00e1c th\u1eafc m\u1eafc sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Chi\u1ec1u r\u1ed9ng \u0111\u01b0\u1eddng m\u1ea1ch c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi quy tr\u00ecnh \u0103n m\u00f2n kh\u00f4ng?<\/li>\n\n\n\n<li>T\u1ef7 l\u1ec7 chi\u1ec1u r\u1ed9ng tr\u00ean chi\u1ec1u cao c\u1ee7a c\u00e1c l\u1ed7 khoan c\u00f3 n\u1eb1m trong ph\u1ea1m vi kh\u1ea3 n\u0103ng c\u1ee7a quy tr\u00ecnh m\u1ea1 kh\u00f4ng?<\/li>\n\n\n\n<li>C\u00f3 nh\u1eefng \u201cb\u1eaby axit\u201d (c\u00e1c g\u00f3c nh\u1ecdn tr\u00ean \u0111\u01b0\u1eddng m\u1ea1ch) n\u00e0o c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng \u0111\u1ee9t m\u1ea1ch kh\u00f4ng?<\/li>\n\n\n\n<li>Vi\u1ec7c kh\u00f4ng tu\u00e2n th\u1ee7 c\u00e1c nguy\u00ean t\u1eafc DFM s\u1ebd d\u1eabn \u0111\u1ebfn vi\u1ec7c bo m\u1ea1ch kh\u00f4ng th\u1ec3 s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c ho\u1eb7c c\u00f3 t\u1ef7 l\u1ec7 ph\u1ebf ph\u1ea9m cao t\u1ea1i nh\u00e0 m\u00e1y gia c\u00f4ng.<\/li>\n<\/ul>\n\n\n\n<p><strong>Giai \u0111o\u1ea1n PCBA (DFA \u2013 Thi\u1ebft k\u1ebf \u0111\u1ec3 l\u1eafp r\u00e1p): <\/strong>Ph\u1ea7n n\u00e0y t\u1eadp trung v\u00e0o b\u1ed1 tr\u00ed v\u1eadt l\u00fd li\u00ean quan \u0111\u1ebfn quy tr\u00ecnh h\u00e0n v\u00e0 l\u1eafp r\u00e1p linh ki\u1ec7n. Ph\u1ea7n n\u00e0y \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c v\u1ea5n \u0111\u1ec1 kh\u00e1c nhau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n:<\/strong> C\u00e1c linh ki\u1ec7n nh\u1ecf c\u00f3 \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed qu\u00e1 g\u1ea7n nhau, khi\u1ebfn c\u00e1c v\u00f2i phun c\u1ee7a m\u00e1y \u0111\u1eb7t linh ki\u1ec7n kh\u00f4ng th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c kh\u00f4ng?<\/li>\n\n\n\n<li><strong>Gi\u1ea3m n\u00f3ng:<\/strong> C\u00f3 c\u00e1ch b\u1ed1 tr\u00ed c\u00e1c \u0111\u01b0\u1eddng d\u1eabn nhi\u1ec7t trong c\u00e1c mi\u1ebfng \u0111\u1ec7m \u0111\u01b0\u1ee3c h\u00e0n v\u00e0o c\u00e1c kh\u1ed1i m\u1ea1ch \u0111\u1ec3 n\u1ed1i v\u1edbi m\u1eb7t \u0111\u1ea5t nh\u1eb1m tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng t\u1ea3n nhi\u1ec7t kh\u00f4ng hi\u1ec7u qu\u1ea3 trong qu\u00e1 tr\u00ecnh h\u00e0n (v\u00ed d\u1ee5: m\u1ed1i h\u00e0n l\u1ea1nh\/l\u1ed7i) kh\u00f4ng?<\/li>\n\n\n\n<li><strong>Th\u1ef1c t\u1eadp theo d\u00f5i:<\/strong> Trong qu\u00e1 tr\u00ecnh h\u00e0n s\u00f3ng, li\u1ec7u c\u00e1c linh ki\u1ec7n c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn c\u00f3 c\u1ea3n tr\u1edf d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t h\u00e0n \u0111\u1ebfn c\u00e1c linh ki\u1ec7n nh\u1ecf h\u01a1n ph\u00eda sau ch\u00fang kh\u00f4ng?<\/li>\n<\/ul>\n\n\n\n<p>Trong tr\u01b0\u1eddng h\u1ee3p c\u00e1c m\u1ea1ch in (DFA) trong l\u0129nh v\u1ef1c thi\u1ebft k\u1ebf c\u00f4ng nghi\u1ec7p c\u00f3 s\u1eed d\u1ee5ng c\u00e1c linh ki\u1ec7n c\u00f3 k\u00edch th\u01b0\u1edbc footprint l\u1edbn nh\u01b0 kh\u1ed1i \u0111\u1ea7u n\u1ed1i v\u00e0 t\u1ee5 \u0111i\u1ec7n c\u1ee1 l\u1edbn, c\u00e1c linh ki\u1ec7n n\u00e0y \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t v\u00e0 h\u00e0n th\u1ee7 c\u00f4ng, do \u0111\u00f3 s\u1ebd g\u00e2y ra \u0111i\u1ec3m ngh\u1ebdn trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t n\u1ebfu thi\u1ebft k\u1ebf footprint kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi dung sai v\u1eadt l\u00fd c\u1ee7a linh ki\u1ec7n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">PCB so v\u1edbi PCBA: C\u00e1ch l\u1ef1a ch\u1ecdn<\/h2>\n\n\n\n<p>Quy\u1ebft \u0111\u1ecbnh mua PCB tr\u1ea7n hay PCBA r\u00f5 r\u00e0ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi kh\u1ed1i l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t v\u00e0 n\u0103ng l\u1ef1c s\u1ea3n xu\u1ea5t n\u1ed9i b\u1ed9 (ho\u1eb7c kh\u00f4ng) c\u1ee7a ng\u01b0\u1eddi mua; khi n\u0103ng l\u1ef1c s\u1ea3n xu\u1ea5t c\u00e0ng h\u1ea1n ch\u1ebf th\u00ec kh\u1ed1i l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t c\u0169ng c\u00e0ng b\u1ecb h\u1ea1n ch\u1ebf h\u01a1n.<\/p>\n\n\n\n<p><strong>Ch\u1ecdn <\/strong><strong>PCB<\/strong><strong> (B\u1ea3ng tr\u1ea7n) Th\u1eddi gian:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>T\u1ea1o m\u1eabu:<\/strong> B\u1ea1n \u0111ang \u1edf giai \u0111o\u1ea1n nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n (R&amp;D) v\u00e0 c\u1ea7n ph\u1ea3i thay th\u1ebf c\u00e1c linh ki\u1ec7n b\u1eb1ng tay \u0111\u1ec3 ki\u1ec3m tra c\u00e1c b\u1ed1 c\u1ee5c thi\u1ebft k\u1ebf m\u1ea1ch kh\u00e1c nhau.<\/li>\n\n\n\n<li><strong>N\u1ed9i b\u1ed9 <\/strong><strong>C\u00f4ng su\u1ea5t<\/strong><strong>:<\/strong> C\u01a1 s\u1edf c\u1ee7a qu\u00fd v\u1ecb s\u1edf h\u1eefu c\u00e1c d\u00e2y chuy\u1ec1n SMT, m\u00e1y h\u00e0n s\u00f3ng v\u00e0 \u0111\u1ed9i ng\u0169 nh\u00e2n vi\u00ean l\u00e0nh ngh\u1ec1.<\/li>\n\n\n\n<li><strong>D\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng <\/strong><strong>IP<\/strong><strong>:<\/strong> Ph\u1ea7n m\u1ec1m nh\u00fang ho\u1eb7c m\u1ea1ch logic \u0111\u1ed9c quy\u1ec1n l\u00e0 th\u00f4ng tin c\u1ef1c k\u1ef3 nh\u1ea1y c\u1ea3m, v\u00e0 qu\u00fd v\u1ecb mu\u1ed1n th\u1ef1c hi\u1ec7n c\u00e1c c\u00f4ng \u0111o\u1ea1n l\u1eadp tr\u00ecnh v\u00e0 l\u1eafp r\u00e1p cu\u1ed1i c\u00f9ng ngay t\u1ea1i c\u00f4ng ty \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ea3o m\u1eadt.<\/li>\n<\/ul>\n\n\n\n<p><strong>Ch\u1ecdn PCBA (L\u1eafp r\u00e1p tr\u1ecdn g\u00f3i) trong tr\u01b0\u1eddng h\u1ee3p:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Kh\u1ed1i l\u01b0\u1ee3ng<\/strong><strong> S\u1ea3n xu\u1ea5t:<\/strong> B\u1ea1n c\u1ea7n m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn (h\u00e0ng ngh\u00ecn) v\u00e0 vi\u1ec7c l\u1eafp r\u00e1p th\u1ee7 c\u00f4ng tr\u1edf n\u00ean kh\u00f4ng kh\u1ea3 thi.<\/li>\n\n\n\n<li><strong>T\u1eadp trung v\u00e0o n\u0103ng l\u1ef1c c\u1ed1t l\u00f5i:<\/strong> C\u00f4ng ty c\u1ee7a qu\u00fd v\u1ecb kh\u00f4ng tham gia v\u00e0o quy tr\u00ecnh h\u00e0n m\u00e0 thay v\u00e0o \u0111\u00f3 t\u1eadp trung ch\u1ee7 y\u1ebfu v\u00e0o thi\u1ebft k\u1ebf s\u1ea3n ph\u1ea9m, ph\u1ea7n m\u1ec1m ho\u1eb7c t\u00edch h\u1ee3p h\u1ec7 th\u1ed1ng.<\/li>\n\n\n\n<li><strong>Y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 tin c\u1eady:<\/strong> C\u00e1c ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p (nh\u01b0 IPC Class 3) y\u00eau c\u1ea7u ph\u1ea3i th\u1ef1c hi\u1ec7n ki\u1ec3m tra quang h\u1ecdc t\u1ef1 \u0111\u1ed9ng (AOI) v\u00e0 ki\u1ec3m tra b\u1eb1ng tia X \u0111\u1ed1i v\u1edbi c\u00e1c chip BGA, nh\u1eefng d\u1ecbch v\u1ee5 n\u00e0y th\u01b0\u1eddng ch\u1ec9 \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi c\u00e1c \u0111\u01a1n v\u1ecb chuy\u00ean nghi\u1ec7p trong l\u0129nh v\u1ef1c l\u1eafp r\u00e1p m\u1ea1ch in (PCBA).<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Vai tr\u00f2 c\u1ee7a c\u00e1c linh ki\u1ec7n \u0111\u1ed1i v\u1edbi \u0111\u1ed9 tin c\u1eady c\u1ee7a bo m\u1ea1ch in c\u00f4ng nghi\u1ec7p (PCBA)<\/h2>\n\n\n\n<p>Khi ph\u00e2n t\u00edch c\u00e1c s\u1ef1 c\u1ed1 trong l\u0129nh v\u1ef1c \u0111i\u1ec7n t\u1eed c\u00f4ng nghi\u1ec7p, nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 hi\u1ebfm khi n\u1eb1m \u1edf nh\u1ef1a epoxy hay c\u00e1c l\u1edbp d\u1eabn \u0111i\u1ec7n c\u1ee7a b\u1ea3ng m\u1ea1ch in (PCB). B\u1ea3ng m\u1ea1ch in l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ec1n b\u1ec9. H\u1ea7u h\u1ebft c\u00e1c s\u1ef1 c\u1ed1 \u0111\u1ec1u x\u1ea3y ra t\u1ea1i v\u00f9ng y\u1ebfu, t\u1ee9c l\u00e0 \u1edf giao di\u1ec7n gi\u1eefa c\u00e1c ch\u00e2n linh ki\u1ec7n v\u00e0 l\u1edbp h\u00e0n.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img alt=\"\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.omch.com\/wp-content\/uploads\/2025\/12\/PCBA-component.webp\" class=\"wp-image-9379\" style=\"object-fit:cover;width:512px;height:384px\" srcset=\"https:\/\/www.omch.com\/wp-content\/uploads\/2025\/12\/PCBA-component.webp 1024w, https:\/\/www.omch.com\/wp-content\/uploads\/2025\/12\/PCBA-component-300x225.webp 300w, https:\/\/www.omch.com\/wp-content\/uploads\/2025\/12\/PCBA-component-768x576.webp 768w, https:\/\/www.omch.com\/wp-content\/uploads\/2025\/12\/PCBA-component-16x12.webp 16w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Ch\u1ea5t n\u1ec1n l\u00e0 v\u1eadt li\u1ec7u t\u0129nh v\u00e0 kh\u00f4ng b\u1ecb h\u1ecfng. Trong m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p, c\u00e1c y\u1ebfu t\u1ed1 g\u00e2y \u0103n m\u00f2n (th\u01b0\u1eddng \u1edf m\u1ee9c c\u1ef1c \u0111oan) bao g\u1ed3m rung \u0111\u1ed9ng, b\u1ee5i, chu k\u1ef3 nhi\u1ec7t v\u00e0 nhi\u1ec5u \u0111i\u1ec7n t\u1eeb.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Rung \u0111\u1ed9ng:<\/strong> M\u1ed9t linh ki\u1ec7n c\u00f4ng nghi\u1ec7p \u0111\u01b0\u1ee3c cho l\u00e0 ch\u1ee9a m\u1ed9t r\u01a1-le ho\u1eb7c m\u00e1y bi\u1ebfn \u00e1p n\u1eb7ng, v\u00e0 b\u1ea3n th\u00e2n c\u00e1c thi\u1ebft b\u1ecb n\u00e0y c\u00f3 th\u1ec3 b\u1ecb t\u00e1ch ra m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady kh\u1ecfi c\u00e1c \u0111i\u1ec3m h\u00e0n g\u1eafn b\u1ec1 m\u1eb7t khi ch\u1ecbu rung \u0111\u1ed9ng li\u00ean t\u1ee5c. C\u00e1c linh ki\u1ec7n c\u00f4ng nghi\u1ec7p ch\u1ea5t l\u01b0\u1ee3ng cao \u0111\u01b0\u1ee3c trang b\u1ecb c\u00e1c ch\u00e2n g\u1eafn tinh vi \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n c\u1ea5u tr\u00fac.<\/li>\n\n\n\n<li><strong>Chu k\u1ef3 nhi\u1ec7t:<\/strong> C\u00e1c b\u1ed9 ngu\u1ed3n \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn kh\u00f4ng ph\u00f9 h\u1ee3p ho\u1eb7c c\u00e1c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u00e8n LED kh\u00f4ng c\u00f3 thi\u1ebft k\u1ebf t\u1ea3n nhi\u1ec7t th\u00edch h\u1ee3p s\u1ebd b\u1ecb qu\u00e1 nhi\u1ec7t, d\u1eabn \u0111\u1ebfn h\u1ecfng h\u00f3c linh ki\u1ec7n b\u00e1n d\u1eabn.<\/li>\n\n\n\n<li><strong>Li\u00ean h\u1ec7 v\u1edbi Erosion:<\/strong> Trong c\u00e1c \u1ee9ng d\u1ee5ng chuy\u1ec3n m\u1ea1ch, c\u00e1c r\u01a1le \u0111i\u1ec7n c\u01a1 c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng k\u00e9m s\u1ebd b\u1ecb oxy h\u00f3a ho\u1eb7c d\u00ednh ch\u00ec t\u1ea1i c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac nhanh h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e1c lo\u1ea1i cao c\u1ea5p, d\u1eabn \u0111\u1ebfn vi\u1ec7c h\u1ec7 th\u1ed1ng ng\u1eebng ho\u1ea1t \u0111\u1ed9ng.<\/li>\n<\/ul>\n\n\n\n<p>Do \u0111\u00f3, tu\u1ed5i th\u1ecd c\u1ee7a PCBA ph\u1ee5 thu\u1ed9c v\u00e0o ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u00e1c linh ki\u1ec7n \u0111\u01b0\u1ee3c l\u1eafp tr\u00ean \u0111\u00f3. D\u00f9 thi\u1ebft k\u1ebf PCB c\u00f3 xu\u1ea5t s\u1eafc \u0111\u1ebfn \u0111\u00e2u c\u0169ng kh\u00f4ng th\u1ec3 b\u00f9 \u0111\u1eafp cho m\u1ed9t c\u1ea3m bi\u1ebfn k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng ho\u1eb7c m\u1ed9t b\u1ed9 ng\u1eaft m\u1ea1ch c\u00f3 \u0111\u1ecbnh m\u1ee9c c\u00f4ng su\u1ea5t th\u1ea5p h\u01a1n th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Qu\u1ea3n l\u00fd chu\u1ed7i cung \u1ee9ng: T\u00ecm ngu\u1ed3n cung \u1ee9ng b\u1ea3ng m\u1ea1ch in (PCB) v\u00e0 linh ki\u1ec7n<\/h2>\n\n\n\n<p>Qu\u1ea3n l\u00fd chu\u1ed7i cung \u1ee9ng hi\u1ec7u qu\u1ea3 bao g\u1ed3m vi\u1ec7c ph\u1ed1i h\u1ee3p gi\u1eefa c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t PCB v\u00e0 vi\u1ec7c thu mua danh m\u1ee5c v\u1eadt li\u1ec7u (BOM).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Qu\u1ea3n l\u00fd v\u00f2ng \u0111\u1eddi v\u00e0 t\u00ednh s\u1eb5n s\u00e0ng c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n<\/h3>\n\n\n\n<p>M\u1ed9t trong nh\u1eefng r\u1ee7i ro l\u1edbn nh\u1ea5t trong s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p l\u00e0 th\u00f4ng b\u00e1o ng\u1eebng s\u1ea3n xu\u1ea5t (End-of-Life - EOL) \u0111\u1ed1i v\u1edbi c\u00e1c linh ki\u1ec7n ch\u1ee7 ch\u1ed1t. Th\u01b0\u1eddng c\u00f3 s\u1ef1 kh\u00f4ng \u0111\u1ed3ng b\u1ed9 gi\u1eefa v\u00f2ng \u0111\u1eddi c\u1ee7a linh ki\u1ec7n v\u00e0 v\u00f2ng \u0111\u1eddi c\u1ee7a thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p; c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng trong m\u1ed9t m\u00e1y m\u00f3c c\u00f3 th\u1ec3 tr\u1edf n\u00ean l\u1ed7i th\u1eddi sau 3-5 n\u0103m, trong khi m\u00e1y m\u00f3c \u0111\u00f3 \u0111\u01b0\u1ee3c k\u1ef3 v\u1ecdng s\u1ebd ho\u1ea1t \u0111\u1ed9ng trong 15-20 n\u0103m. Khi m\u1ed9t linh ki\u1ec7n quan tr\u1ecdng tr\u00ean PCBA tr\u1edf n\u00ean l\u1ed7i th\u1eddi, nh\u00e0 s\u1ea3n xu\u1ea5t bu\u1ed9c ph\u1ea3i l\u1ef1a ch\u1ecdn gi\u1eefa hai ph\u01b0\u01a1ng \u00e1n t\u1ed1n k\u00e9m: \u201cMua l\u1ea7n cu\u1ed1i\u201d (Last Time Buy), trong \u0111\u00f3 h\u1ecd ph\u1ea3i d\u1ef1 tr\u1eef linh ki\u1ec7n v\u1edbi chi ph\u00ed cao, ho\u1eb7c thi\u1ebft k\u1ebf l\u1ea1i to\u00e0n b\u1ed9 PCBA, \u0111i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn vi\u1ec7c ph\u1ea3i l\u00e0m m\u1eabu th\u1eed v\u00e0 tr\u1ea3i qua quy tr\u00ecnh t\u00e1i ch\u1ee9ng nh\u1eadn t\u1ed1n k\u00e9m.<\/p>\n\n\n\n<p>\u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y, c\u00e1c chi\u1ebfn l\u01b0\u1ee3c t\u00ecm ngu\u1ed3n cung \u1ee9ng n\u00ean t\u1eadp trung v\u00e0o c\u00e1c linh ki\u1ec7n c\u00f3 tr\u1ea1ng th\u00e1i \u201cHo\u1ea1t \u0111\u1ed9ng\u201d c\u00f9ng v\u1edbi c\u00e1c l\u1ed9 tr\u00ecnh s\u1ea3n xu\u1ea5t chi ti\u1ebft. C\u00e1c nh\u00e0 qu\u1ea3n l\u00fd chu\u1ed7i cung \u1ee9ng c\u1ea7n \u0111\u1eb7c bi\u1ec7t ch\u00fa \u00fd \u0111\u1ebfn c\u00e1c c\u1ea3nh b\u00e1o \u201cKh\u00f4ng khuy\u1ebfn ngh\u1ecb cho thi\u1ebft k\u1ebf m\u1edbi\u201d (NRND) v\u00e0 thi\u1ebft l\u1eadp m\u1ed1i quan h\u1ec7 v\u1edbi c\u00e1c nh\u00e0 cung c\u1ea5p ch\u00fa tr\u1ecdng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n l\u00e2u d\u00e0i trong c\u00f4ng nghi\u1ec7p thay v\u00ec t\u00ednh bi\u1ebfn \u0111\u1ed9ng c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m ti\u00eau d\u00f9ng. Nh\u1eefng chi\u1ebfn l\u01b0\u1ee3c n\u00e0y c\u00f3 vai tr\u00f2 quy\u1ebft \u0111\u1ecbnh trong vi\u1ec7c tr\u00e1nh c\u00e1c t\u00ecnh hu\u1ed1ng s\u1ea3n xu\u1ea5t b\u1ecb \u0111\u00ecnh tr\u1ec7, \u0111\u1ed3ng th\u1eddi \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng s\u1ea3n xu\u1ea5t c\u1ee7a PCBA trong su\u1ed1t v\u00f2ng \u0111\u1eddi s\u1eed d\u1ee5ng c\u1ee7a m\u00e1y m\u00f3c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Mua s\u1eafm chi\u1ebfn l\u01b0\u1ee3c: M\u00f4 h\u00ecnh ch\u00eca kh\u00f3a trao tay so v\u1edbi m\u00f4 h\u00ecnh k\u00fd g\u1eedi<\/h3>\n\n\n\n<p>Kh\u00e1ch h\u00e0ng c\u00f3 hai l\u1ef1a ch\u1ecdn khi s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 gia c\u00f4ng PCBA theo h\u1ee3p \u0111\u1ed3ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ch\u00eca kh\u00f3a trao tay (Mua s\u1eafm tr\u1ecdn g\u00f3i):<\/strong> Nh\u00e0 m\u00e1y l\u1eafp r\u00e1p ch\u1ecbu tr\u00e1ch nhi\u1ec7m t\u00ecm ngu\u1ed3n cung \u1ee9ng b\u1ea3ng m\u1ea1ch in th\u00f4 (PCB) v\u00e0 t\u1ea5t c\u1ea3 c\u00e1c linh ki\u1ec7n.\n<ul class=\"wp-block-list\">\n<li><em>L\u1ee3i \u00edch: Quy tr\u00ecnh h\u1eadu c\u1ea7n \u0111\u01a1n gi\u1ea3n h\u01a1n v\u00e0 ch\u1ec9 c\u1ea7n m\u1ed9t h\u1ee3p \u0111\u1ed3ng duy nh\u1ea5t.<\/em><\/li>\n\n\n\n<li><em>Nh\u01b0\u1ee3c \u0111i\u1ec3m: Kh\u00f4ng th\u1ec3 ki\u1ec3m so\u00e1t th\u01b0\u01a1ng hi\u1ec7u c\u1ee7a c\u00e1c linh ki\u1ec7n. \u0110i\u1ec1u n\u00e0y <\/em><em>l\u1eafp r\u00e1p<\/em><em> c\u00f3 quy\u1ec1n quy\u1ebft \u0111\u1ecbnh \u00e1p d\u1ee5ng c\u00e1c b\u1ed9 ph\u1eadn chung \u201ct\u01b0\u01a1ng \u0111\u01b0\u01a1ng\u201d tr\u00ean m\u1ed9t <\/em><em>ti\u1ebft ki\u1ec7m chi ph\u00ed<\/em><em> c\u01a1 s\u1edf n\u00e0y c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u1ed9 tin c\u1eady k\u1ef9 thu\u1eadt c\u1ee7a c\u1ee5m l\u1eafp r\u00e1p.<\/em><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Mua h\u00e0ng theo \u1ee7y th\u00e1c ho\u1eb7c theo ch\u1ec9 \u0111\u1ecbnh:<\/strong> Ng\u01b0\u1eddi mua cung c\u1ea5p c\u00e1c linh ki\u1ec7n cho \u0111\u01a1n v\u1ecb l\u1eafp r\u00e1p, ho\u1eb7c ch\u1ec9 \u0111\u1ea1o \u0111\u01a1n v\u1ecb l\u1eafp r\u00e1p mua t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p c\u1ee5 th\u1ec3.\n<ul class=\"wp-block-list\">\n<li><em>Ph\u00e2n t\u00edch:<\/em> \u0110\u1ed1i v\u1edbi c\u00e1c \u0111i\u1ec7n tr\u1edf v\u00e0 t\u1ee5 \u0111i\u1ec7n ti\u00eau chu\u1ea9n, ph\u01b0\u01a1ng \u00e1n \u201cch\u00eca kh\u00f3a trao tay\u201d l\u00e0 l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean. Tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi c\u00e1c linh ki\u1ec7n quan tr\u1ecdng, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c m\u00f4-\u0111un ngu\u1ed3n, c\u1ea3m bi\u1ebfn v\u00e0 c\u00f4ng t\u1eafc ch\u00ednh, m\u00f4 h\u00ecnh \u201cmua theo ch\u1ec9 \u0111\u1ecbnh\u201d n\u00ean \u0111\u01b0\u1ee3c coi l\u00e0 ti\u00eau chu\u1ea9n.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\"><\/ol>\n\n\n\n<p>Nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb g\u1ed1c (OEM) \u0111\u1ea3m b\u1ea3o r\u1eb1ng \u0111\u01a1n v\u1ecb l\u1eafp r\u00e1p s\u1ebd \u0111\u00e1p \u1ee9ng c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u1ec1 hi\u1ec7u su\u1ea5t theo y\u00eau c\u1ea7u, th\u00f4ng qua vi\u1ec7c thu\u00ea ngo\u00e0i nh\u00e2n c\u00f4ng l\u1eafp r\u00e1p v\u00e0 s\u1eed d\u1ee5ng c\u00e1c linh ki\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng cao t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p uy t\u00edn cho c\u00e1c n\u00fat quan tr\u1ecdng nh\u1ea5t c\u1ee7a m\u1ea1ch.<\/p>\n\n\n\n<p>\u0110\u1ec3 tri\u1ec3n khai th\u00e0nh c\u00f4ng chi\u1ebfn l\u01b0\u1ee3c Mua c\u00f3 \u0111\u1ecbnh h\u01b0\u1edbng cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p, <strong><a href=\"https:\/\/www.omch.com\/vi\/\">OMCH<\/a><\/strong> \u0111\u00f3ng vai tr\u00f2 l\u00e0 \u0111\u1ed1i t\u00e1c then ch\u1ed1t. OMCH gi\u1ea3i quy\u1ebft c\u00e1c r\u1ee7i ro bi\u1ebfn \u0111\u1ed9ng b\u1eb1ng c\u00e1ch cung c\u1ea5p danh m\u1ee5c s\u1ea3n ph\u1ea9m linh ki\u1ec7n t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f4ng nghi\u1ec7p to\u00e0n di\u1ec7n, \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi chi\u1ebfn l\u01b0\u1ee3c cung \u1ee9ng v\u1eefng ch\u1eafc v\u00e0 d\u00e0i h\u1ea1n. V\u1edbi h\u01a1n 3.000 SKU bao ph\u1ee7 c\u00e1c danh m\u1ee5c quan tr\u1ecdng nh\u01b0 c\u1ea3m bi\u1ebfn ti\u1ec7m c\u1eadn, b\u1ed9 ngu\u1ed3n chuy\u1ec3n m\u1ea1ch v\u00e0 r\u01a1le, OMCH \u0111\u1ea3m b\u1ea3o \u0111\u00e1p \u1ee9ng ch\u00ednh x\u00e1c c\u00e1c y\u00eau c\u1ea7u c\u00f4ng nghi\u1ec7p v\u1edbi \u0111a d\u1ea1ng ch\u1ee7ng lo\u1ea1i v\u00e0 s\u1ed1 l\u01b0\u1ee3ng nh\u1ecf. T\u1eadn d\u1ee5ng 38 n\u0103m kinh nghi\u1ec7m s\u1ea3n xu\u1ea5t, OMCH cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p t\u00f9y ch\u1ec9nh linh ho\u1ea1t (OEM\/ODM) v\u1edbi d\u1ea3i c\u00f4ng su\u1ea5t t\u1eeb 10W \u0111\u1ebfn 1000W. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0, m\u1ed7i linh ki\u1ec7n \u0111\u1ec1u ph\u1ea3i tr\u1ea3i qua quy tr\u00ecnh ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t \u2014 bao g\u1ed3m ki\u1ec3m tra nguy\u00ean li\u1ec7u th\u00f4 v\u00e0 c\u00e1c b\u00e0i ki\u1ec3m tra l\u00e3o h\u00f3a t\u1ea3i \u0111\u1ea7y \u0111\u1ee7 100% \u2014 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c linh ki\u1ec7n \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o PCBA c\u1ee7a qu\u00fd kh\u00e1ch h\u00e0ng \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n \u0111\u1ed9 b\u1ec1n cao nh\u1ea5t m\u00e0 th\u1ecb tr\u01b0\u1eddng to\u00e0n c\u1ea7u y\u00eau c\u1ea7u.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">K\u1ebft lu\u1eadn: \u0110\u01b0a ra nh\u1eefng quy\u1ebft \u0111\u1ecbnh \u0111\u00fang \u0111\u1eafn trong s\u1ea3n xu\u1ea5t<\/h2>\n\n\n\n<p>Khi so s\u00e1nh PCB v\u1edbi PCBA, \u0111i\u1ec1u quan tr\u1ecdng c\u1ea7n bi\u1ebft l\u00e0 m\u1ed9t b\u00ean l\u00e0 thi\u1ebft k\u1ebf c\u00f2n m\u1ed9t b\u00ean l\u00e0 s\u1ea3n ph\u1ea9m. PCB cung c\u1ea5p khung c\u1ea5u tr\u00fac v\u1eadt l\u00fd v\u00e0 c\u00e1c \u0111\u01b0\u1eddng d\u1eabn d\u1eabn \u0111i\u1ec7n \u0111\u1ec3 m\u1ea1ch \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng; c\u00f2n PCBA l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng ho\u00e0n ch\u1ec9nh v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng. Hai th\u00e0nh ph\u1ea7n n\u00e0y ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng \u0103n \u00fd v\u1edbi nhau. N\u1ebfu qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t PCB c\u00f3 sai s\u00f3t, qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p s\u1ebd b\u1ecb h\u1ecfng. Ng\u01b0\u1ee3c l\u1ea1i, n\u1ebfu ch\u1ecdn linh ki\u1ec7n k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng, PCB s\u1ebd tr\u1edf n\u00ean v\u00f4 d\u1ee5ng. H\u1ec7 th\u1ed1ng v\u1eabn c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng, nh\u01b0ng s\u1ebd kh\u00f4ng hi\u1ec7u qu\u1ea3 v\u00e0 do \u0111\u00f3 c\u00f2n xa m\u1edbi \u0111\u1ea1t \u0111\u01b0\u1ee3c ti\u00eau chu\u1ea9n c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p v\u00e0 c\u00e1c nh\u00e0 t\u00edch h\u1ee3p h\u1ec7 th\u1ed1ng, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i nh\u00ecn xa h\u01a1n b\u1ea3n m\u1ea1ch, h\u01b0\u1edbng t\u1edbi h\u1ec7 sinh th\u00e1i c\u1ee7a Danh m\u1ee5c V\u1eadt t\u01b0 (BOM). Vi\u1ec7c thi\u1ebft k\u1ebf v\u00e0 l\u1eafp r\u00e1p m\u1ea1ch t\u00edch h\u1ee3p m\u1ed9t c\u00e1ch th\u00e0nh th\u1ea1o, k\u1ebft h\u1ee3p v\u1edbi vi\u1ec7c qu\u1ea3n l\u00fd chu\u1ed7i cung \u1ee9ng \u1ed5n \u0111\u1ecbnh, s\u1ebd \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u0111\u00e1ng tin c\u1eady cao trong c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p>\n\n\n\n<p>Khi l\u00ean k\u1ebf ho\u1ea1ch cho d\u1ef1 \u00e1n t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f4ng nghi\u1ec7p ti\u1ebfp theo, \u0111\u1eebng \u0111\u1ec3 c\u00e1c th\u00e0nh ph\u1ea7n quan tr\u1ecdng ph\u1ee5 thu\u1ed9c v\u00e0o may r\u1ee7i. H\u00e3y \u0111\u1ea3m b\u1ea3o bo m\u1ea1ch in (PCBA) c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u00ean n\u1ec1n t\u1ea3ng ch\u1ea5t l\u01b0\u1ee3ng b\u1eb1ng c\u00e1ch l\u1ef1a ch\u1ecdn c\u00e1c b\u1ed9 ngu\u1ed3n, c\u1ea3m bi\u1ebfn v\u00e0 r\u01a1le \u0111\u1ea1t ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p, ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c k\u1ef9 thu\u1eadt trong thi\u1ebft k\u1ebf m\u1ea1ch c\u1ee7a b\u1ea1n. <strong><a href=\"https:\/\/www.omch.com\/vi\/contact\/\">Li\u00ean h\u1ec7 v\u1edbi \u0111\u1ed9i ng\u0169 c\u1ee7a ch\u00fang t\u00f4i<\/a><\/strong><strong> H\u00e3y li\u00ean h\u1ec7 ngay h\u00f4m nay \u0111\u1ec3 th\u1ea3o lu\u1eadn v\u1ec1 c\u00e1c y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi linh ki\u1ec7n c\u1ee7a qu\u00fd v\u1ecb v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady m\u00e0 d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t c\u1ee7a qu\u00fd v\u1ecb c\u1ea7n.<\/strong><\/p>","protected":false},"excerpt":{"rendered":"<p>Trong l\u0129nh v\u1ef1c m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p v\u00e0 k\u1ef9 thu\u1eadt \u0111i\u1ec7n, ng\u01b0\u1eddi ta th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c thu\u1eadt ng\u1eef n\u00e0y m\u1ed9t c\u00e1ch \u0111\u1ed3ng nh\u1ea5t v\u00e0 thi\u1ebfu ph\u00e2n bi\u1ec7t, trong khi tr\u00ean th\u1ef1c t\u1ebf, PCB (B\u1ea3ng m\u1ea1ch in) v\u00e0 PCBA (B\u1ed9 l\u1eafp r\u00e1p b\u1ea3ng m\u1ea1ch in) l\u1ea1i c\u00f3 nh\u1eefng kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 v\u1ec1 m\u1ee9c \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a quy tr\u00ecnh s\u1ea3n xu\u1ea5t, chi ph\u00ed li\u00ean quan v\u00e0 c\u00e1c ch\u1ee9c n\u0103ng c\u1ee7a s\u1ea3n ph\u1ea9m. \u0110\u1ed1i v\u1edbi c\u00e1c k\u1ef9 s\u01b0 v\u00e0 [\u2026]<\/p>","protected":false},"author":4,"featured_media":9377,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"PCB vs PCBA: Your Guide to Industrial Durability","_seopress_titles_desc":"Discover the key differences in our blog about PCB vs PCBA. Learn which option provides better industrial durability for your projects.","_seopress_robots_index":"","footnotes":""},"categories":[46],"tags":[],"class_list":["post-9389","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industrial-control"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/posts\/9389","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/comments?post=9389"}],"version-history":[{"count":1,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/posts\/9389\/revisions"}],"predecessor-version":[{"id":9392,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/posts\/9389\/revisions\/9392"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/media\/9377"}],"wp:attachment":[{"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/media?parent=9389"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/categories?post=9389"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.omch.com\/vi\/wp-json\/wp\/v2\/tags?post=9389"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}