{"id":2621,"date":"2022-07-20T10:30:40","date_gmt":"2022-07-20T03:30:40","guid":{"rendered":"https:\/\/hieuchuan3d.com\/?p=2621"},"modified":"2022-07-20T10:30:40","modified_gmt":"2022-07-20T03:30:40","slug":"13-nguyen-nhan-gay-loi-bang-mach-pcb-phan-1-3d-vina","status":"publish","type":"post","link":"https:\/\/backup.hieuchuan3d.com\/ja\/13-nguyen-nhan-gay-loi-bang-mach-pcb-phan-1-3d-vina\/","title":{"rendered":"(Ti\u1ebfng Vi\u1ec7t) 13 nguy\u00ean nh\u00e2n g\u00e2y l\u1ed7i b\u1ea3ng m\u1ea1ch PCB (Ph\u1ea7n 1) – 3D Vina"},"content":{"rendered":"

\u7533\u3057\u8a33\u3042\u308a\u307e\u305b\u3093\u3001\u3053\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u306f\u305f\u3060\u4eca\u3000\u30d9\u30c8\u30ca\u30e0\u8a9e<\/a>\u3000\u306e\u307f\u3067\u3059\u3002 For the sake of viewer convenience, the content is shown below in the alternative language. You may click the link to switch the active language.<\/p>

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\"13-nguyen-nhan-gay-loi-bang-mach-pcb-ma-dan-ki-thuat-nen-biet-phan-1\"<\/a><\/p>\n
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L\u1ed7i b\u1ea3ng m\u1ea1ch PCB c\u00f3 th\u1ec3 x\u1ea3y ra v\u00ec m\u1ed9t s\u1ed1 l\u00fd do, v\u1edbi k\u1ebft qu\u1ea3 cu\u1ed1i c\u00f9ng l\u00e0 PCB kh\u00f4ng c\u00f2n ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng. V\u00ec PCB \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, ch\u1eb3ng h\u1ea1n nh\u01b0 thi\u1ebft b\u1ecb \u0111eo tay, m\u00e1y bay, v\u1ec7 tinh v\u00e0 thi\u1ebft b\u1ecb y t\u1ebf, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 m\u1ecdi l\u1ed7i \u0111\u1ec1u \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh nhanh ch\u00f3ng v\u00e0 th\u1ef1c hi\u1ec7n h\u00e0nh \u0111\u1ed9ng th\u00edch h\u1ee3p. B\u1ea5t k\u1ef3 c\u00f4ng ty n\u00e0o mu\u1ed1n gi\u1eef cho thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u1ee7a h\u1ecd ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft t\u1ed1t h\u01a1n l\u1ed7i PCB v\u00e0 th\u1eadm ch\u00ed ng\u0103n ch\u1eb7n n\u00f3 x\u1ea3y ra b\u1eb1ng c\u00e1ch hi\u1ec3u v\u1ec1 nguy\u00ean nh\u00e2n g\u00e2y ra c\u00e1c l\u1ed7i \u0111\u00f3.<\/em><\/strong><\/div>\n<\/div>\n<\/div>\n<\/header>\n
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S\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf v\u00e0\u00a0s\u1ea3n xu\u1ea5t PCB<\/strong>\u00a0c\u00f3 ngh\u0129a l\u00e0 c\u00f3 r\u1ea5t nhi\u1ec1u c\u01a1 h\u1ed9i cho c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1\u00a0l\u1ed7i b\u1ea3ng m\u1ea1ch PCB<\/strong>\u00a0ph\u00e1t sinh. M\u1ed9t s\u1ed1 l\u1ed7i trong s\u1ed1 n\u00e0y l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a vi\u1ec7c s\u01a1 su\u1ea5t thi\u1ebft k\u1ebf, ch\u1eb3ng h\u1ea1n nh\u01b0 kh\u00f4ng \u0111\u1ee7 khe h\u1edf ho\u1eb7c ph\u00e9p \u0111o kh\u00f4ng ch\u00ednh x\u00e1c, c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn ch\u1ee9c n\u0103ng c\u1ee7a th\u00e0nh ph\u1ea9m.\u00a0Nh\u1eefng v\u1ea5n \u0111\u1ec1 kh\u00e1c c\u00f3 th\u1ec3 do c\u00e1c v\u1ea5n \u0111\u1ec1 trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t, ch\u1eb3ng h\u1ea1n nh\u01b0 l\u1ed7i khoan ho\u1eb7c kh\u1eafc qu\u00e1 m\u1ee9c, c\u00f3 th\u1ec3 g\u00e2y ra th\u1ea3m h\u1ecda t\u01b0\u01a1ng t\u1ef1.<\/p>\n

May m\u1eafn thay, h\u1ea7u h\u1ebft c\u00e1c l\u1ed7i n\u00e0y c\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c n\u1ebfu c\u00f3 ki\u1ebfn \u200b\u200bth\u1ee9c v\u00e0 c\u00e2n nh\u1eafc v\u1ec1 quy tr\u00ecnh s\u1ea3n xu\u1ea5t, c\u0169ng nh\u01b0 nh\u1eadn th\u1ee9c v\u1ec1 c\u00e1c v\u1ea5n \u0111\u1ec1 s\u1ea3n xu\u1ea5t PCB ph\u1ed5 bi\u1ebfn h\u01a1n.\u00a0\u0110\u1ec3 gi\u00fap b\u1ea1n v\u00e0 c\u00f4ng ty c\u1ee7a b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u00e0 tr\u00e1nh c\u00e1c l\u1ed7i ti\u1ec1m \u1ea9n trong thi\u1ebft k\u1ebf b\u1ea3ng m\u1ea1ch in c\u1ee7a b\u1ea1n, ch\u00fang t\u00f4i \u0111\u00e3 bi\u00ean so\u1ea1n danh s\u00e1ch c\u00e1c v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn nh\u1ea5t g\u1eb7p ph\u1ea3i trong s\u1ea3n xu\u1ea5t g\u00e2y ra\u00a0l\u1ed7i b\u1ea3ng m\u1ea1ch PCB<\/strong>, t\u1ea1i sao ch\u00fang x\u1ea3y ra v\u00e0 c\u00e1ch ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ng\u0103n ch\u1eb7n d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n

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1. M\u1ea0 VOIDS<\/strong><\/p>\n<\/div>\n

C\u00e1c l\u1ed7 xuy\u00ean qua m\u1ea1 l\u00e0 c\u00e1c l\u1ed7 \u0111\u01b0\u1ee3c ph\u1ee7 \u0111\u1ed3ng tr\u00ean b\u1ea3ng m\u1ea1ch in.\u00a0C\u00e1c l\u1ed7 n\u00e0y cho ph\u00e9p d\u1eabn \u0111i\u1ec7n t\u1eeb m\u1eb7t n\u00e0y sang m\u1eb7t kia c\u1ee7a b\u1ea3ng m\u1ea1ch.\u00a0\u0110\u1ec3 t\u1ea1o ra c\u00e1c l\u1ed7 n\u00e0y, nh\u00e0 ch\u1ebf t\u1ea1o\u00a0b\u1ea3ng m\u1ea1ch PCB<\/strong>\u00a0s\u1ebd khoan c\u00e1c l\u1ed7 xuy\u00ean qua b\u1ea3ng m\u1ea1ch, l\u00e0m th\u1ee7ng v\u1eadt li\u1ec7u xuy\u00ean su\u1ed1t.\u00a0Sau \u0111\u00f3, m\u1ed9t l\u1edbp \u0111\u1ed3ng \u0111\u01b0\u1ee3c th\u00eam v\u00e0o b\u1ec1 m\u1eb7t c\u1ee7a v\u1eadt li\u1ec7u v\u00e0 d\u1ecdc theo th\u00e0nh c\u1ee7a nh\u1eefng l\u1ed7 n\u00e0y th\u00f4ng qua qu\u00e1 tr\u00ecnh m\u1ea1 \u0111i\u1ec7n. Qu\u00e1 tr\u00ecnh n\u00e0y l\u1eafng \u0111\u1ecdng m\u1ed9t l\u1edbp m\u1ecfng \u0111\u1ed3ng kh\u00f4ng nhi\u1ec5m \u0111i\u1ec7n l\u00ean b\u1ea3ng m\u1ea1ch trong m\u1ed9t qu\u00e1 tr\u00ecnh g\u1ecdi l\u00e0 l\u1eafng \u0111\u1ecdng.\u00a0Sau b\u01b0\u1edbc n\u00e0y, c\u00e1c l\u1edbp \u0111\u1ed3ng th\u1eeba \u0111\u01b0\u1ee3c th\u00eam v\u00e0o v\u00e0 kh\u1eafc \u0111\u1ec3 t\u1ea1o ra h\u00ecnh \u1ea3nh m\u1ea1ch.<\/p>\n

M\u1eb7c d\u00f9 hi\u1ec7u qu\u1ea3, qu\u00e1 tr\u00ecnh l\u1eafng \u0111\u1ecdng kh\u00f4ng ho\u00e0n h\u1ea3o v\u00e0 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn l\u1ed7 r\u1ed7ng trong l\u1edbp m\u1ea1 trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p nh\u1ea5t \u0111\u1ecbnh. Kho\u1ea3ng tr\u1ed1ng m\u1ea1 l\u00e0 nh\u1eefng kho\u1ea3ng tr\u1ed1ng ho\u1eb7c l\u1ed7 h\u1ed5ng trong l\u1edbp m\u1ea1 c\u1ee7a b\u1ea3ng m\u1ea1ch v\u00e0 th\u01b0\u1eddng l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a c\u00e1c v\u1ea5n \u0111\u1ec1 trong qu\u00e1 tr\u00ecnh l\u1eafng \u0111\u1ecdng. Nh\u1eefng kho\u1ea3ng tr\u1ed1ng m\u1ea1 n\u00e0y \u0111\u1eb7c bi\u1ec7t c\u00f3 v\u1ea5n \u0111\u1ec1 v\u00ec s\u1ef1 kh\u00f4ng ho\u00e0n h\u1ea3o trong l\u1edbp m\u1ea1 c\u1ee7a l\u1ed7 th\u00f4ng ng\u0103n c\u1ea3n d\u00f2ng \u0111i\u1ec7n \u0111i qua l\u1ed7, d\u1eabn \u0111\u1ebfn\u00a0b\u1ea3ng m\u1ea1ch PCB b\u1ecb l\u1ed7i.<\/strong><\/p>\n

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Nh\u1eefng kho\u1ea3ng tr\u1ed1ng n\u00e0y x\u1ea3y ra b\u1edfi v\u00ec, v\u00ec l\u00fd do n\u00e0y hay l\u00fd do kh\u00e1c, v\u1eadt li\u1ec7u kh\u00f4ng ph\u1ee7 \u0111\u1ec1u trong qu\u00e1 tr\u00ecnh l\u1eafng \u0111\u1ecdng.\u00a0C\u00e1c l\u00fd do cho \u0111i\u1ec1u n\u00e0y bao g\u1ed3m \u00f4 nhi\u1ec5m v\u1eadt li\u1ec7u, b\u1ecdt kh\u00ed v\u01b0\u1edbng v\u00e0o v\u1eadt li\u1ec7u, l\u00e0m s\u1ea1ch l\u1ed7 kh\u00f4ng \u0111\u1ee7, x\u00fac t\u00e1c \u0111\u1ed3ng kh\u00f4ng \u0111\u1ee7 trong qu\u00e1 tr\u00ecnh l\u1eafng \u0111\u1ecdng ho\u1eb7c khoan l\u1ed7 th\u00f4.\u00a0B\u1ea5t k\u1ef3 v\u1ea5n \u0111\u1ec1 n\u00e0o trong s\u1ed1 n\u00e0y \u0111\u1ec1u c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c l\u1ed7 h\u1ed5ng m\u1ea1 d\u1ecdc theo th\u00e0nh c\u1ee7a c\u00e1c l\u1ed7 m\u1ea1ch.<\/p>\n

C\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c nh\u1eefng khi\u1ebfm khuy\u1ebft do nhi\u1ec5m b\u1ea9n, b\u1ecdt kh\u00ed ho\u1eb7c l\u00e0m s\u1ea1ch kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7 b\u1eb1ng c\u00e1ch l\u00e0m s\u1ea1ch v\u1eadt li\u1ec7u sau khi khoan \u0111\u00fang c\u00e1ch.\u00a0Ngo\u00e0i ra, c\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c c\u00e1c khuy\u1ebft t\u1eadt do qu\u00e1 tr\u00ecnh khoan b\u1ecb l\u1ed7i b\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 ch\u1eb7t ch\u1ebd c\u00e1c ch\u1ec9 d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, ch\u1eb3ng h\u1ea1n nh\u01b0 s\u1ed1 l\u1ea7n ch\u1ea1m m\u0169i khoan \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb, \u0111\u01b0\u1eddng v\u00e0o c\u1ee7a m\u0169i khoan v\u00e0 t\u1ed1c \u0111\u1ed9 khoan.<\/p>\n

2. KHE H\u1ede T\u1eea \u0110\u1ed2NG \u0110\u1ebeN C\u1ea0NH KH\u00d4NG \u0110\u1ee6<\/strong><\/span><\/h2>\n

\u0110\u1ed3ng l\u00e0 m\u1ed9t kim lo\u1ea1i c\u1ef1c k\u1ef3 d\u1eabn \u0111i\u1ec7n, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t th\u00e0nh ph\u1ea7n t\u00edch c\u1ef1c c\u1ee7a\u00a0PCB<\/strong>.\u00a0Tuy nhi\u00ean, \u0111\u1ed3ng c\u0169ng t\u01b0\u01a1ng \u0111\u1ed1i m\u1ec1m v\u00e0 d\u1ec5 b\u1ecb \u0103n m\u00f2n.\u00a0\u0110\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 \u0103n m\u00f2n v\u00e0 b\u1ea3o v\u1ec7 \u0111\u1ed3ng kh\u00f4ng t\u01b0\u01a1ng t\u00e1c v\u1edbi m\u00f4i tr\u01b0\u1eddng c\u1ee7a n\u00f3, \u0111\u1ed3ng n\u00e0y \u0111\u01b0\u1ee3c ph\u1ee7 b\u1eb1ng c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c.\u00a0Tuy nhi\u00ean, khi c\u1eaft PCB, n\u1ebfu \u0111\u1ed3ng qu\u00e1 s\u00e1t m\u00e9p, m\u1ed9t ph\u1ea7n c\u1ee7a l\u1edbp ph\u1ee7 n\u00e0y c\u0169ng c\u00f3 th\u1ec3 b\u1ecb c\u1eaft, \u0111\u1ec3 l\u1ed9 l\u1edbp \u0111\u1ed3ng b\u00ean d\u01b0\u1edbi.\u00a0\u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra nhi\u1ec1u v\u1ea5n \u0111\u1ec1 trong ch\u1ee9c n\u0103ng c\u1ee7a b\u1ea3ng, d\u1eabn \u0111\u1ebfn\u00a0l\u1ed7i b\u1ea3ng m\u1ea1ch in<\/strong>.<\/p>\n

C\u00e1c m\u1eb7t ph\u1eb3ng \u0111\u1ed3ng ti\u1ebfp x\u00fac c\u00f3 th\u1ec3 ti\u1ebfp x\u00fac v\u1edbi nhau b\u1eb1ng c\u00e1ch \u0111\u1ed3ng th\u1eddi ch\u1ea1m v\u00e0o m\u1ed9t v\u1eadt li\u1ec7u d\u1eabn \u0111i\u1ec7n, g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng \u0111o\u1ea3n m\u1ea1ch. S\u1ef1 ti\u1ebfp x\u00fac n\u00e0y c\u0169ng khi\u1ebfn \u0111\u1ed3ng ti\u1ebfp x\u00fac v\u1edbi m\u00f4i tr\u01b0\u1eddng, khi\u1ebfn \u0111\u1ed3ng d\u1ec5 b\u1ecb \u0103n m\u00f2n.\u00a0S\u1ef1 ti\u1ebfp x\u00fac n\u00e0y c\u0169ng l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng ai \u0111\u00f3 ti\u1ebfp x\u00fac v\u1edbi PCB v\u00e0 b\u1ecb \u0111i\u1ec7n gi\u1eadt.<\/p>\n

C\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng tr\u00e1nh \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1 n\u00e0y b\u1eb1ng c\u00e1ch \u0111\u1ea3m b\u1ea3o kh\u00f4ng gian gi\u1eefa m\u00e9p \u0111\u1ed3ng v\u00e0 m\u00e9p v\u00e1n, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 kho\u1ea3ng h\u1edf t\u1eeb \u0111\u1ed3ng \u0111\u1ebfn m\u00e9p ho\u1eb7c t\u1ea5m n\u00e0y theo c\u00e1c ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u1ed1i v\u1edbi lo\u1ea1i b\u1ea3ng. \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t.\u00a0Nh\u00e0 s\u1ea3n xu\u1ea5t c\u1ee7a b\u1ea1n s\u1ebd ki\u1ec3m tra k\u1ef9 l\u01b0\u1ee1ng Thi\u1ebft k\u1ebf cho kh\u1ea3 n\u0103ng s\u1ea3n xu\u1ea5t (DFM) th\u01b0\u1eddng s\u1ebd ph\u00e1t hi\u1ec7n ra b\u1ea5t k\u1ef3 v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n n\u00e0o.<\/p>\n

3. M\u1ed0I H\u00c0N K\u00c9M<\/strong><\/span><\/h2>\n

H\u00e0n kh\u00f4ng \u0111\u00fang c\u00e1ch trong\u00a0qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p PCB<\/strong>\u00a0c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c v\u1ea5n \u0111\u1ec1 l\u1edbn.\u00a0M\u1ed9t trong nh\u1eefng d\u1ea1ng h\u00e0n k\u00e9m ph\u1ed5 bi\u1ebfn nh\u1ea5t x\u1ea3y ra khi k\u1ef9 thu\u1eadt vi\u00ean kh\u00f4ng l\u00e0m n\u00f3ng \u0111\u1ee7 ch\u1ea5t h\u00e0n, d\u1eabn \u0111\u1ebfn h\u00e0n ngu\u1ed9i, c\u00f3 th\u1ec3\u00a0g\u00e2y h\u1ecfng PCB<\/strong>.\u00a0Ngo\u00e0i ra, h\u01a1i \u1ea9m trong qu\u00e1 tr\u00ecnh h\u00e0n c\u00f3 th\u1ec3 l\u00e0m \u00f4 nhi\u1ec5m t\u1ea5m PCB v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c.\u00a0S\u1ef1 nhi\u1ec5m b\u1ea9n n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ch\u00e1y c\u00e1c th\u00e0nh ph\u1ea7n PCB v\u00e0 t\u1ea1o ra c\u00e1c v\u1ea5n \u0111\u1ec1 k\u1ebft n\u1ed1i.\u00a0C\u00e1c c\u00f4ng ty th\u01b0\u1eddng s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra b\u1eb1ng m\u1eaft ho\u1eb7c b\u1eb1ng tia X \u0111\u1ec3 ph\u00e1t hi\u1ec7n m\u1ed1i h\u00e0n kh\u00f4ng t\u1ed1t.<\/p>\n

4. THI\u1ebeU M\u1eb6T N\u1ea0 H\u00c0N GI\u1eeeA C\u00c1C MI\u1ebeNG \u0110\u1ec6M<\/strong><\/span><\/h2>\n

M\u1eb7t n\u1ea1 h\u00e0n<\/strong>\u00a0l\u00e0 l\u1edbp n\u1eb1m tr\u00ean l\u1edbp \u0111\u1ed3ng c\u1ee7a b\u1ea3ng m\u1ea1ch.\u00a0M\u1eb7t n\u1ea1 h\u00e0n n\u00e0y \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean l\u1edbp \u0111\u1ed3ng \u0111\u1ec3 c\u00e1ch ly c\u00e1c v\u1ebft \u0111\u1ed3ng kh\u1ecfi s\u1ef1 ti\u1ebfp x\u00fac t\u00ecnh c\u1edd v\u1edbi kim lo\u1ea1i, v\u1eadt h\u00e0n ho\u1eb7c c\u00e1c bit d\u1eabn \u0111i\u1ec7n kh\u00e1c.\u00a0N\u00f3 c\u0169ng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t r\u00e0o c\u1ea3n gi\u1eefa \u0111\u1ed3ng v\u00e0 m\u00f4i tr\u01b0\u1eddng, ng\u0103n ch\u1eb7n s\u1ef1 \u0103n m\u00f2n v\u00e0 b\u1ea3o v\u1ec7 b\u1ed9 x\u1eed l\u00fd c\u1ee7a b\u1ea3ng m\u1ea1ch kh\u1ecfi b\u1ecb \u0111i\u1ec7n gi\u1eadt.\u00a0Mi\u1ebfng \u0111\u1ec7m l\u00e0 ph\u1ea7n kim lo\u1ea1i c\u00f2n l\u1ea1i ti\u1ebfp x\u00fac v\u1edbi b\u1ea3ng h\u00e0n, m\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c h\u00e0n v\u00e0o.<\/p>\n

Trong m\u1ed9t s\u1ed1 b\u1ea3ng m\u1ea1ch, m\u1eb7t n\u1ea1 h\u00e0n c\u00f3 th\u1ec3 kh\u00f4ng c\u00f3 m\u1ed9t ph\u1ea7n ho\u1eb7c ho\u00e0n to\u00e0n gi\u1eefa c\u00e1c mi\u1ebfng \u0111\u1ec7m.\u00a0\u0110i\u1ec1u n\u00e0y l\u00e0m l\u1ed9 ra nhi\u1ec1u \u0111\u1ed3ng h\u01a1n m\u1ee9c c\u1ea7n thi\u1ebft v\u00e0 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c v\u00f4 t\u00ecnh h\u00ecnh th\u00e0nh c\u1ea7u h\u00e0n gi\u1eefa c\u00e1c ch\u00e2n trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p.\u00a0\u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn \u0111o\u1ea3n m\u1ea1ch, c\u0169ng nh\u01b0 gi\u1ea3m kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n, c\u1ea3 hai \u0111\u1ec1u c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn ch\u1ee9c n\u0103ng v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a b\u1ea3ng m\u1ea1ch, t\u1eeb \u0111\u00f3 g\u00e2y\u00a0l\u1ed7i b\u1ea3ng m\u1ea1ch PCB<\/strong>.<\/p>\n

L\u1ed7i n\u00e0y th\u01b0\u1eddng do s\u01a1 su\u1ea5t thi\u1ebft k\u1ebf, trong \u0111\u00f3 m\u1eb7t n\u1ea1 h\u00e0n kh\u00f4ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh ho\u1eb7c c\u00e1c c\u00e0i \u0111\u1eb7t cho bo m\u1ea1ch l\u1edbn h\u01a1n \u0111\u01b0\u1ee3c chuy\u1ec3n sang bo m\u1ea1ch nh\u1ecf h\u01a1n, d\u1eabn \u0111\u1ebfn c\u00e1c l\u1ed7 \u0111\u1ec7m \u0111\u01a1n gi\u1ea3n l\u00e0 qu\u00e1 l\u1edbn so v\u1edbi PCB nh\u1ecf h\u01a1n.\u00a0\u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1ch ki\u1ec3m tra k\u1ef9 thi\u1ebft k\u1ebf tr\u01b0\u1edbc khi g\u1eedi cho nh\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n

5. B\u1eaaY AXIT<\/strong><\/span><\/h2>\n

\u201cB\u1eaby axit\u201d<\/strong>\u00a0l\u00e0 thu\u1eadt ng\u1eef ph\u1ed5 bi\u1ebfn \u0111\u1ec3 ch\u1ec9 c\u00e1c g\u00f3c nh\u1ecdn trong m\u1ea1ch.\u00a0Ch\u00fang \u0111\u01b0\u1ee3c g\u1ecdi theo c\u00e1ch n\u00e0y b\u1edfi v\u00ec nh\u1eefng g\u00f3c nh\u1ecdn n\u00e0y gi\u1eef axit trong qu\u00e1 tr\u00ecnh \u0103n m\u00f2n PCB, cho ph\u00e9p axit t\u00edch t\u1ee5 trong ng\u00f3c ng\u00e1ch c\u1ee7a g\u00f3c.\u00a0G\u00f3c c\u00f3 ch\u1ee9c n\u0103ng gi\u1eef axit trong g\u00f3c l\u00e2u h\u01a1n so v\u1edbi y\u00eau c\u1ea7u c\u1ee7a thi\u1ebft k\u1ebf, khi\u1ebfn axit \u0103n \u0111i nhi\u1ec1u h\u01a1n d\u1ef1 \u0111\u1ecbnh.\u00a0Do \u0111\u00f3, axit c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng k\u1ebft n\u1ed1i, l\u00e0m cho\u00a0b\u1ea3ng m\u1ea1ch PCB b\u1ecb l\u1ed7i<\/strong>\u00a0v\u00e0 g\u00e2y ra nhi\u1ec1u v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng h\u01a1n sau n\u00e0y.<\/p>\n

\"\"<\/p>\n

 <\/p>\n

H\u1ea7u h\u1ebft c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf \u0111\u1ec1u nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c c\u00e1c v\u1ea5n \u0111\u1ec1 g\u00e2y ra b\u1edfi c\u00e1c g\u00f3c nh\u1ecdn trong b\u1ea3ng m\u1ea1ch v\u00e0 do \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o \u0111\u1ec3 tr\u00e1nh ch\u00fang.\u00a0Tuy nhi\u00ean, sai l\u1ea7m v\u1eabn x\u1ea3y ra.\u00a0Th\u00f4ng th\u01b0\u1eddng, c\u00e1c g\u00f3c nh\u1ecdn l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a l\u1ed7i \u0111\u01a1n gi\u1ea3n c\u1ee7a con ng\u01b0\u1eddi, m\u1eb7c d\u00f9 m\u1ed9t s\u1ed1 ch\u01b0\u01a1ng tr\u00ecnh ph\u1ea7n m\u1ec1m thi\u1ebft k\u1ebf c\u0169ng c\u00f3 th\u1ec3 \u0111\u1eb7t c\u00e1c m\u1ea1ch th\u00e0nh g\u00f3c nh\u1ecdn n\u1ebfu c\u00e0i \u0111\u1eb7t kh\u00f4ng \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u00fang c\u00e1ch.<\/p>\n

H\u1ea7u h\u1ebft c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf s\u1ebd n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c c\u00e1c g\u00f3c \u0111\u1ed9 s\u1eafc n\u00e9t khi h\u1ecd ki\u1ec3m tra k\u1ef9 c\u00f4ng vi\u1ec7c c\u1ee7a m\u00ecnh, m\u1eb7c d\u00f9 c\u00f3 th\u1ec3 c\u00f3 s\u01a1 su\u1ea5t.\u00a0N\u1ebfu \u0111\u00fang nh\u01b0 v\u1eady, m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t gi\u1ecfi s\u1ebd b\u1eaft \u0111\u01b0\u1ee3c nh\u1eefng sai l\u1ea7m n\u00e0y b\u1eb1ng c\u00e1ch ki\u1ec3m tra DFM.<\/p>\n

6. C\u00c1C TH\u00c0NH PH\u1ea6N \u0110\u01af\u1ee2C S\u1ea2N XU\u1ea4T K\u00c9M<\/strong><\/span><\/h2>\n

M\u1ed9t nguy\u00ean nh\u00e2n kh\u00e1c g\u00e2y ra l\u1ed7i b\u1ea3ng m\u1ea1ch PCB<\/strong>\u00a0x\u1ea3y ra khi \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt s\u1eed d\u1ee5ng c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t k\u00e9m. Trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t PCB, h\u01b0 h\u1ecfng v\u1eadt l\u00fd do c\u00e1c th\u00e0nh ph\u1ea7n kh\u00f4ng ph\u00f9 h\u1ee3p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p \u0111i\u1ec7n t\u1eed c\u00f3 th\u1ec3 g\u00e2y h\u1ea1i cho PCB v\u00e0 g\u00e2y m\u1ea5t \u0111i\u1ec7n.\u00a0C\u00e1c l\u1ed7i l\u1eafp r\u00e1p PCB th\u01b0\u1eddng g\u1eb7p t\u1eeb c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t k\u00e9m bao g\u1ed3m c\u00e1c v\u1ea5n \u0111\u1ec1 k\u1ebft n\u1ed1i v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn l\u1ecfng l\u1ebbo.<\/p>\n

Ngo\u00e0i ra, th\u00f4ng l\u01b0\u1ee3ng d\u01b0, m\u1ed9t ch\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh h\u00e0n, \u0111\u1ec3 l\u1ea1i tr\u00ean b\u1ea3ng m\u1ea1ch PCB c\u00f3 th\u1ec3 g\u00e2y ra h\u01b0 h\u1ecfng l\u1edbn v\u00e0 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn nhu c\u1ea7u s\u1eeda ch\u1eefa b\u1ea3ng m\u1ea1ch.\u00a0C\u00e1c c\u00f4ng ty th\u00e0nh c\u00f4ng \u0111\u1ea3m b\u1ea3o h\u1ecd \u0111ang l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t s\u1eed d\u1ee5ng c\u00e1c th\u00e0nh ph\u1ea7n ch\u1ea5t l\u01b0\u1ee3ng cao trong PCB c\u1ee7a h\u1ecd.<\/p>\n<\/div>\n

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\u7533\u3057\u8a33\u3042\u308a\u307e\u305b\u3093\u3001\u3053\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u306f\u305f\u3060\u4eca\u3000\u30d9\u30c8\u30ca\u30e0\u8a9e\u3000\u306e\u307f\u3067\u3059\u3002 For the sake of viewer convenience, the content is shown below in the alterna […]<\/p>\n","protected":false},"author":2,"featured_media":2622,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1021],"tags":[1125,1127,1130,1131,1126,1128,1129,1132],"acf":[],"_links":{"self":[{"href":"https:\/\/backup.hieuchuan3d.com\/ja\/wp-json\/wp\/v2\/posts\/2621"}],"collection":[{"href":"https:\/\/backup.hieuchuan3d.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/backup.hieuchuan3d.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/backup.hieuchuan3d.com\/ja\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/backup.hieuchuan3d.com\/ja\/wp-json\/wp\/v2\/comments?post=2621"}],"version-history":[{"count":0,"href":"https:\/\/backup.hieuchuan3d.com\/ja\/wp-json\/wp\/v2\/posts\/2621\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/backup.hieuchuan3d.com\/ja\/wp-json\/wp\/v2\/media\/2622"}],"wp:attachment":[{"href":"https:\/\/backup.hieuchuan3d.com\/ja\/wp-json\/wp\/v2\/media?parent=2621"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/backup.hieuchuan3d.com\/ja\/wp-json\/wp\/v2\/categories?post=2621"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/backup.hieuchuan3d.com\/ja\/wp-json\/wp\/v2\/tags?post=2621"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}