{"id":2624,"date":"2022-07-20T10:34:27","date_gmt":"2022-07-20T03:34:27","guid":{"rendered":"https:\/\/hieuchuan3d.com\/?p=2624"},"modified":"2022-07-20T10:34:27","modified_gmt":"2022-07-20T03:34:27","slug":"13-nguyen-nhan-gay-loi-bang-mach-pcb-phan-2-3d-vina","status":"publish","type":"post","link":"https:\/\/backup.hieuchuan3d.com\/en\/13-nguyen-nhan-gay-loi-bang-mach-pcb-phan-2-3d-vina\/","title":{"rendered":"(Ti\u1ebfng Vi\u1ec7t) 13 nguy\u00ean nh\u00e2n g\u00e2y l\u1ed7i b\u1ea3ng m\u1ea1ch PCB (Ph\u1ea7n 2) – 3D Vina"},"content":{"rendered":"

Sorry, this entry is only available in Vietnamese<\/a>. 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-2\"<\/a><\/p>\n
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Trong ph\u1ea7n 1, ch\u00fang t\u00f4i \u0111\u00e3 c\u00f9ng b\u1ea1n t\u00ecm hi\u1ec3u 6 nguy\u00ean nh\u00e2n g\u00e2y l\u1ed7i b\u1ea3ng m\u1ea1ch PCB li\u00ean quan \u0111\u1ebfn c\u00e1c v\u1ea5n \u0111\u1ec1 kh\u00e1c nhau: M\u1ea1 voids, khe h\u1edf t\u1eeb \u0111\u1ed3ng \u0111\u1ebfn c\u1ea1nh kh\u00f4ng \u0111\u1ee7, m\u1ed1i h\u00e0n k\u00e9m, thi\u1ebfu m\u1eb7t n\u1ea1 h\u00e0n gi\u1eefa c\u00e1c mi\u1ebfng \u0111\u1ec7m, b\u1eaby axit, c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t k\u00e9m. Trong ph\u1ea7n n\u00e0y, ch\u00fang ta s\u1ebd ti\u1ebfp t\u1ee5c c\u00f9ng nhau t\u00ecm hi\u1ec3u 7 nguy\u00ean nh\u00e2n c\u00f2n l\u1ea1i g\u00e2y l\u1ed7i PCB m\u00e0 d\u00e2n k\u0129 thu\u1eadt kh\u00f4ng th\u1ec3 b\u1ecf qua.\u00a0<\/strong><\/em><\/p>\n

\"13-nguyen-nhan-gay-loi-bang-mach-pcb-ma-dan-ki-thuat-nen-biet-phan-2\"<\/p>\n

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7. C\u00c1C V\u1ea4N \u0110\u1ec0 V\u1ec0 \u0110I\u1ec6N T\u1eea<\/strong><\/span><\/h2>\n

T\u01b0\u01a1ng th\u00edch \u0111i\u1ec7n t\u1eeb<\/strong>\u00a0v\u00e0\u00a0nhi\u1ec5u \u0111i\u1ec7n t\u1eeb<\/strong>\u00a0l\u00e0 hai v\u1ea5n \u0111\u1ec1 c\u00f3 th\u1ec3 g\u00e2y\u00a0l\u1ed7i b\u1ea3ng m\u1ea1ch PCB<\/strong>. T\u01b0\u01a1ng th\u00edch \u0111i\u1ec7n t\u1eeb (EMC) li\u00ean quan \u0111\u1ebfn vi\u1ec7c t\u1ea1o ra, lan truy\u1ec1n v\u00e0 ti\u1ebfp nh\u1eadn n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n t\u1eeb, trong khi nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI) \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c t\u00e1c \u0111\u1ed9ng kh\u00f4ng mong mu\u1ed1n v\u00e0 g\u00e2y h\u1ea1i c\u1ee7a EMC n\u00e0y.\u00a0Qu\u00e1 nhi\u1ec1u EMI c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ea3n ph\u1ea9m b\u1ecb l\u1ed7i.\u00a0Th\u00f4ng th\u01b0\u1eddng, nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a m\u1ed9t trong nhi\u1ec1u l\u1ed7i thi\u1ebft k\u1ebf c\u00f3 th\u1ec3 x\u1ea3y ra.<\/p>\n

\"13-nguyen-nhan-gay-loi-bang-mach-pcb-ma-dan-ki-thuat-nen-biet-phan-2\"<\/p>\n

EMI c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u b\u1eb1ng c\u00e1ch t\u0103ng di\u1ec7n t\u00edch m\u1eb7t \u0111\u1ea5t c\u1ee7a b\u1ea3ng m\u1ea1ch v\u00e0 chia nh\u1ecf b\u1ea3ng m\u1ea1ch d\u00e0nh ri\u00eang cho EMI.\u00a0Ngo\u00e0i ra, n\u00ean tr\u00e1nh c\u00e1c g\u00f3c 90 \u0111\u1ed9 \u0111\u1ed1i v\u1edbi h\u1ea7u h\u1ebft c\u00e1c th\u00e0nh ph\u1ea7n, v\u00ec ch\u00fang c\u00f3 xu h\u01b0\u1edbng l\u00e0m t\u0103ng nhi\u1ec5u EMI.\u00a0Khi nghi ng\u1edd, h\u00e3y s\u1eed d\u1ee5ng c\u00e1p \u0111\u01b0\u1ee3c che ch\u1eafn trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p c\u00e1p v\u00e0 bao b\u00ec kim lo\u1ea1i \u0111\u1ec3 h\u1ea5p th\u1ee5 EMC v\u00e0 gi\u1ea3m EMI.<\/p>\n

M\u1ed9t chuy\u00ean gia s\u1ea3n xu\u1ea5t\u00a0b\u1ea3ng m\u1ea1ch PCB<\/strong>\u00a0c\u00f3 th\u1ec3 gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1c l\u1ed7i thi\u1ebft k\u1ebf ti\u1ec1m \u1ea9n n\u00e0y v\u00e0 l\u00e0m vi\u1ec7c v\u1edbi b\u1ea1n \u0111\u1ec3 thi\u1ebft k\u1ebf l\u1ea1i n\u1ebfu EMC v\u00e0 EMI \u0111\u01b0\u1ee3c ghi nh\u1eadn l\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 trong giai \u0111o\u1ea1n t\u1ea1o m\u1eabu.<\/p>\n

8. Y\u1ebeU T\u1ed0 M\u00d4I TR\u01af\u1edcNG<\/strong><\/span><\/h2>\n

Ch\u1ea5t l\u01b0\u1ee3ng PCB<\/strong>\u00a0c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng.\u00a0PCB th\u01b0\u1eddng xuy\u00ean ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed9 \u1ea9m, b\u1ee5i, nhi\u1ec7t v\u00e0 l\u1ea1nh c\u00f3 th\u1ec3 b\u1ecb h\u1ecfng.\u00a0V\u00ed d\u1ee5, s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 l\u00e0m cho c\u00e1c ph\u1ea7n t\u1eed trong PCB co l\u1ea1i ho\u1eb7c gi\u00e3n n\u1edf, c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng ho\u1eb7c l\u00e0m cong c\u00e1c m\u1ed1i h\u00e0n v\u00e0 bo m\u1ea1ch.<\/p>\n

B\u1ee5i th\u00eam xung quanh PCB c\u00f3 th\u1ec3 d\u1ea7n d\u1ea7n t\u00edch t\u1ee5, cu\u1ed1i c\u00f9ng l\u00e0m t\u1eafc ngh\u1ebdn bo m\u1ea1ch.\u00a0S\u1ef1 t\u1eafc ngh\u1ebdn n\u00e0y c\u00f3 th\u1ec3 khi\u1ebfn\u00a0bo m\u1ea1ch PCB<\/strong>\u00a0qu\u00e1 n\u00f3ng v\u00e0 c\u1ea7n ph\u1ea3i s\u1eeda ch\u1eefa \u0111i\u1ec7n t\u1eed.\u00a0Ngo\u00e0i ra, \u0111\u1ed9 \u1ea9m d\u01b0 th\u1eeba c\u00f3 th\u1ec3 g\u00e2y ra \u0103n m\u00f2n, r\u1ec9 s\u00e9t v\u00e0 oxy h\u00f3a, g\u00e2y\u00a0l\u1ed7i b\u1ea3ng m\u1ea1ch PCB<\/strong>.<\/p>\n

9.THI\u1ebeU KI\u1ec2M TRA DFM<\/strong><\/span><\/h2>\n

K<\/strong>i\u1ec3m tra DFM<\/strong>\u00a0l\u00e0 qu\u00e1 tr\u00ecnh ki\u1ec3m tra c\u00e1ch b\u1ed1 tr\u00ed b\u1ea3ng m\u1ea1ch \u0111\u1ec3 gi\u1ea3m thi\u1ec3u b\u1ea5t k\u1ef3 s\u1ef1 c\u1ed1 n\u00e0o c\u00f3 th\u1ec3 x\u1ea3y ra trong qu\u00e1 tr\u00ecnh ch\u1ebf t\u1ea1o v\u00e0 l\u1eafp r\u00e1p. C\u00f3 m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 ch\u00ednh trong DFM, nh\u01b0ng t\u00f3m l\u1ea1i, n\u00f3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng thi\u1ebft k\u1ebf s\u1ebd d\u1eabn \u0111\u1ebfn m\u1ed9t s\u1ea3n ph\u1ea9m nh\u1ea5t qu\u00e1n ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c v\u00e0 nh\u01b0 mong \u0111\u1ee3i.\u00a0Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c ti\u00eau chu\u1ea9n kh\u00e1c ch\u1ec9 xem x\u00e9t kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ea3ng m\u1ea1ch, DFM xem x\u00e9t c\u00e1ch b\u1ea3ng m\u1ea1ch c\u00f3 kh\u1ea3 n\u0103ng b\u1ecb h\u1ecfng.<\/p>\n

Thi\u1ebfu ki\u1ec3m tra DFM, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t s\u1ebd r\u1ea5t d\u1ec5 b\u1ecf qua c\u00e1c l\u1ed7i nh\u1ecf. M\u00e0 \u0111\u1ed1i vi\u1ec7c s\u1ea3n xu\u1ea5t b\u1ea3ng m\u1ea1ch PCB ch\u1ec9 m\u1ed9t khi\u1ebfm khuy\u1ebft c\u0169ng c\u00f3 th\u1ec3\u00a0g\u00e2y l\u1ed7i b\u1ea3ng m\u1ea1ch PCB<\/strong>\u00a0th\u1eadm ch\u00ed l\u00e0 h\u1ecfng h\u00f3c. Do v\u1eady, c\u00e1c nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5 c\u1ea7n thi\u1ebft h\u00e0nh ki\u1ec3m tra DFM \u0111\u1ec3 b\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng ho\u00e0n h\u1ea3o cho\u00a0b\u1ea3ng m\u1ea1ch in<\/strong>\u00a0\u0111i\u1ec7n t\u1eed\u00a0<\/strong>c\u1ee7a m\u00ecnh.<\/p>\n

\"13-nguyen-nhan-gay-loi-bang-mach-pcb-ma-dan-ki-thuat-nen-biet-phan-2\"<\/p>\n

10. CH\u00c1Y B\u1ea2NG M\u1ea0CH<\/strong><\/span><\/h2>\n

Nhi\u1ec7t \u0111\u1ed9 cao \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t b\u1ea3ng m\u1ea1ch c\u00f3 th\u1ec3 \u0111\u1ed1t ch\u00e1y c\u00e1c\u00a0th\u00e0nh ph\u1ea7n c\u1ee7a b\u1ea3ng m\u1ea1ch PCB<\/strong>, \u0111\u1eb7c bi\u1ec7t n\u1ebfu ch\u00fang \u0111\u01b0\u1ee3c \u0111\u00f3ng g\u00f3i ch\u1eb7t ch\u1ebd v\u1edbi nhau v\u1edbi \u00edt kh\u00f4ng gian xung quanh.\u00a0V\u00ec c\u00e1c b\u1ea3ng m\u1ea1ch c\u00f3 xu h\u01b0\u1edbng ch\u1ea1y kh\u00e1 nhanh, ch\u00fang s\u1ebd n\u00f3ng l\u00ean, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra v\u1ea5n \u0111\u1ec1 khi PCB \u0111\u01b0\u1ee3c \u0111\u00f3ng g\u00f3i qu\u00e1 ch\u1eb7t.\u00a0S\u1ef1 s\u1eafp x\u1ebfp n\u00e0y gi\u1eef nhi\u1ec7t v\u00e0 l\u00e0m t\u0103ng nguy c\u01a1 b\u1ea3ng m\u1ea1ch qu\u00e1 n\u00f3ng v\u00e0 ch\u00e1y.<\/p>\n

Bo m\u1ea1ch b\u1ecb ch\u00e1y \u0111\u1eb7c bi\u1ec7t kh\u00f3 x\u1eed l\u00fd v\u00ec s\u1ee9c n\u00f3ng b\u00ean trong bo m\u1ea1ch c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1 h\u1ee7y ph\u1ea7n b\u1ecb l\u1ed7i c\u00f9ng v\u1edbi nhi\u1ec1u ph\u1ea7n kh\u00e1c. S\u1ef1 gia nhi\u1ec7t x\u1ea3y ra c\u00e0ng nhi\u1ec1u, n\u00f3 c\u00e0ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn\u00a0l\u1ed7i b\u1ea3ng m\u1ea1ch PCB<\/strong>.\u00a0H\u01b0 h\u1ecfng do s\u01b0\u1edfi \u1ea5m kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m tra c\u00f3 th\u1ec3 khi\u1ebfn vi\u1ec7c ch\u1ea9n \u0111o\u00e1n kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c.<\/p>\n

V\u00ec b\u1ea3ng m\u1ea1ch ch\u1ec9 c\u00f3 th\u1ec3 x\u1eed l\u00fd v\u00e0 h\u1ea5p th\u1ee5 r\u1ea5t nhi\u1ec1u nhi\u1ec7t tr\u01b0\u1edbc khi h\u1ecfng ho\u00e0n to\u00e0n, n\u00ean nhi\u1ec7t l\u01b0\u1ee3ng d\u01b0 th\u1eeba c\u00f3 th\u1ec3 khi\u1ebfn b\u1ea3ng v\u0129nh vi\u1ec5n kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c.\u00a0Ch\u00fa \u00fd \u0111\u1ebfn c\u1ea5u tr\u00fac v\u00e0 k\u00edch th\u01b0\u1edbc c\u1ee7a bo m\u1ea1ch c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m s\u1ef1 n\u00f3ng l\u00ean v\u00e0 gi\u1eef cho c\u00e1c b\u1ea3ng m\u1ea1ch an to\u00e0n b\u1eb1ng c\u00e1ch \u0111\u1ea3m b\u1ea3o ch\u00fang kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u00f3ng g\u00f3i qu\u00e1 ch\u1eb7t ch\u1ebd.<\/p>\n

11. TU\u1ed4I TH\u1ecc B\u1ea2NG M\u1ea0CH PCB<\/strong><\/span><\/h2>\n

T\u00ecnh tr\u1ea1ng h\u01b0 h\u1ecfng do tu\u1ed5i th\u1ecd l\u00e0 nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn c\u1ee7a nhi\u1ec1u\u00a0l\u1ed7i b\u1ea3ng m\u1ea1ch PCB<\/strong>. C\u00e1c linh ki\u1ec7n b\u1ecb l\u00e3o h\u00f3a, m\u00e0i m\u00f2n v\u00e0\u00a0h\u1ecfng h\u00f3c\u00a0,\u00a0\u00a0g\u00e2y ra c\u00e1c t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c\u00a0nh\u01b0 r\u00f2 r\u1ec9 d\u00f2ng \u0111i\u1ec7n, ph\u00e1 v\u1ee1 l\u1edbp c\u00e1ch \u0111i\u1ec7n, gi\u1ea3m \u0111i\u1ec7n dung v\u00e0 \u0111i\u1ec7n tr\u1edf.\u00a0Theo th\u1eddi gian, c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 th\u1eddi ti\u1ebft v\u00e0 \u0111\u1ed9 \u1ea9m c\u0169ng c\u00f3 th\u1ec3 l\u00e0m m\u00f2n bo m\u1ea1ch.\u00a0\u0110\u00f4i khi, c\u00f3 th\u1ec3 thay th\u1ebf c\u00e1c th\u00e0nh ph\u1ea7n ri\u00eang l\u1ebb m\u00e0 kh\u00f4ng c\u1ea7n mua PCB ho\u00e0n to\u00e0n m\u1edbi.\u00a0V\u00e0 \u0111\u00f4i khi c\u00e1c th\u00e0nh ph\u1ea7n ch\u1ec9 \u0111\u01a1n thu\u1ea7n b\u1ecb l\u1ec7ch kh\u1ecfi v\u1ecb tr\u00ed c\u1ee7a ch\u00fang tr\u00ean bo m\u1ea1ch theo th\u1eddi gian v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u1edf l\u1ea1i \u0111\u00fang v\u1ecb tr\u00ed c\u1ee7a ch\u00fang.<\/p>\n

12. R\u00d2 R\u1ec8 H\u00d3A CH\u1ea4T<\/strong><\/span><\/h2>\n

\"13-nguyen-nhan-gay-loi-bang-mach-pcb-ma-dan-ki-thuat-nen-biet-phan-2\"<\/p>\n

R\u00f2 r\u1ec9 h\u00f3a ch\u1ea5t<\/strong>\u00a0l\u00e0 m\u1ed9t trong nh\u1eefng v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn l\u00e0m\u00a0b\u1ea3ng m\u1ea1ch PCB b\u1ecb l\u1ed7i<\/strong>, c\u00f3 th\u1ec3 x\u1ea3y ra do nhi\u1ec1u h\u00f3a ch\u1ea5t kh\u00e1c nhau \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t lu\u00f4n n\u1ed7 l\u1ef1c \u0111\u1ec3 l\u00e0m s\u1ea1ch c\u00e1c b\u1ea3ng m\u1ea1ch k\u1ef9 l\u01b0\u1ee1ng.\u00a0Tuy nhi\u00ean, \u0111\u00f4i khi c\u00f3 th\u1ec3 c\u00f3 m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf c\u1eb7n h\u00f3a ch\u1ea5t v\u1eabn c\u00f2n tr\u00ean b\u1ea3ng.\u00a0Theo th\u1eddi gian, s\u1ef1 r\u00f2 r\u1ec9 c\u1ee7a c\u00e1c d\u01b0 l\u01b0\u1ee3ng h\u00f3a ch\u1ea5t n\u00e0y c\u00f3 th\u1ec3 \u0103n m\u00f2n c\u00e1c th\u00e0nh ph\u1ea7n kim lo\u1ea1i c\u1ee7a bo m\u1ea1ch v\u00e0 g\u00e2y \u0111o\u1ea3n m\u1ea1ch cho bo m\u1ea1ch.<\/p>\n

13. V\u1ea4N \u0110\u1ec0 V\u1ec0 THERMALS (C\u1ed8T NHI\u1ec6T)<\/strong><\/span><\/h2>\n

Thermals<\/strong>\u00a0(c\u1ed9t nhi\u1ec7t)<\/strong>\u00a0l\u00e0 nh\u1eefng v\u1ebft nh\u1ecf xung quanh mi\u1ebfng \u0111\u1ec7m v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 k\u1ebft n\u1ed1i mi\u1ebfng \u0111\u1ec7m v\u1edbi m\u1eb7t ph\u1eb3ng. C\u00e1c nhi\u1ec7t n\u00e0y cho ph\u00e9p c\u00e1c t\u1ea5m \u0111\u1ec7m ph\u00e2n t\u00e1n nhi\u1ec7t hi\u1ec7u qu\u1ea3 h\u01a1n v\u00e0 l\u00e0 th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh h\u00e0n.\u00a0Tuy nhi\u00ean, \u0111\u00f4i khi, kho\u1ea3ng tr\u1ed1ng gi\u1eefa nhi\u1ec7t v\u00e0 ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a m\u1eb7t ph\u1eb3ng, ho\u1eb7c nhi\u1ec7t v\u00e0 t\u1ea5m \u0111\u1ec7m, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn k\u1ebft n\u1ed1i kh\u00f4ng ho\u00e0n ch\u1ec9nh, l\u00e0m gi\u1ea3m hi\u1ec7u qu\u1ea3 c\u1ee7a h\u1ec7 th\u1ed1ng truy\u1ec1n nhi\u1ec7t m\u00e0 c\u00e1c nhi\u1ec7t n\u00e0y t\u1ea1o ra.\u00a0\u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 v\u1ec1 ch\u1ee9c n\u0103ng.<\/p>\n

Khi thermals m\u1ea5t nhi\u1ec7t s\u1ebd m\u1ea5t nhi\u1ec1u th\u1eddi gian h\u01a1n \u0111\u1ec3 truy\u1ec1n nhi\u1ec7t t\u1eeb c\u00e1c mi\u1ebfng \u0111\u1ec7m \u0111\u1ebfn ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a m\u1eb7t ph\u1eb3ng, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u1eb7p v\u1ea5n \u0111\u1ec1 trong qu\u00e1 tr\u00ecnh h\u00e0n ho\u1eb7c n\u1ebfu m\u1ea1ch \u0111ang b\u1ecb \u1ee9ng su\u1ea5t nhi\u1ec7t. T\u1ea5m t\u1ea3n nhi\u1ec7t c\u00f3 s\u1ef1 truy\u1ec1n nhi\u1ec7t kh\u00f4ng \u0111\u00fang c\u00e1ch c\u00f3 th\u1ec3 h\u00e0n k\u1ef3 l\u1ea1 v\u00e0 s\u1ebd m\u1ea5t m\u1ed9t th\u1eddi gian d\u00e0i b\u1ea5t th\u01b0\u1eddng \u0111\u1ec3 h\u00e0n l\u1ea1i, l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p.\u00a0Sau khi s\u1ea3n xu\u1ea5t, c\u00e1c b\u1ea3ng m\u1ea1ch b\u1ecb m\u1ea5t nhi\u1ec7t c\u00f3 th\u1ec3 d\u1ec5 h\u01b0 h\u1ecfng g\u00e2y l\u1ed7i b\u1ea3ng m\u1ea1ch in<\/strong>.<\/p>\n

Ngu\u1ed3n g\u1ed1c c\u1ee7a v\u1ea5n \u0111\u1ec1 n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y nh\u1ea5t trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.\u00a0C\u00e1c k\u1ebft n\u1ed1i nhi\u1ec7t n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1eafn ch\u00ednh x\u00e1c v\u1edbi l\u1edbp m\u1eb7t ph\u1eb3ng trong h\u1ec7 th\u1ed1ng thi\u1ebft k\u1ebf c\u00f3 s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a m\u00e1y t\u00ednh (CAD) nh\u01b0ng b\u1eb1ng c\u00e1ch n\u00e0o \u0111\u00f3 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t v\u1edbi k\u1ebft n\u1ed1i gi\u1ea3m v\u1edbi ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a m\u1eb7t ph\u1eb3ng.\u00a0C\u00e1c v\u1ea5n \u0111\u1ec1 s\u1ea3n xu\u1ea5t trong qu\u00e1 tr\u00ecnh \u0111\u00fac ho\u1eb7c gia c\u00f4ng nhi\u1ec7t, ch\u1eb3ng h\u1ea1n nh\u01b0 gia c\u00f4ng qu\u00e1 m\u1ee9c ho\u1eb7c \u0111\u00fac kh\u00f4ng \u0111\u00fang c\u00e1ch, \u0111\u1ec1u c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 n\u00e0y.\u00a0\u0110\u1ec3 kh\u1eafc ph\u1ee5c v\u1ea5n \u0111\u1ec1 n\u00e0y, c\u00e1ch t\u1ed1t nh\u1ea5t l\u00e0 thay th\u1ebf b\u1ed9 t\u1ea3n nhi\u1ec7t.<\/p>\n

K\u1ebeT LU\u1eacN<\/strong><\/span><\/h2>\n

C\u00f3 r\u1ea5t nhi\u1ec1u nguy\u00ean nh\u00e2n g\u00e2y ra l\u1ed7i b\u1ea3ng m\u1ea1ch PCB v\u00e0 vi\u1ec7c g\u1eb7p ph\u1ea3i c\u00e1c l\u1ed7i \u0111\u00f3 trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t t\u1ea1i nh\u00e0 m\u00e1y l\u00e0 kh\u00f4ng th\u1ec3 tr\u00e1nh kh\u1ecfi n\u1ebfu nh\u01b0 c\u00e1c doanh nghi\u1ec7p v\u1eabn gi\u1eef c\u00e1ch ki\u1ec3m tra s\u1ea3n ph\u1ea9m truy\u1ec1n th\u1ed1ng. Nh\u1ea5t l\u00e0 khi s\u1ed1 l\u01b0\u1ee3ng b\u1ea3ng m\u1ea1ch c\u1ea7n s\u1ea3n xu\u1ea5t c\u0169ng nh\u01b0 \u0111\u1ed9 ph\u1ee9c t\u1ea1p kh\u00f4ng ng\u1eebng t\u0103ng l\u00ean. Thay v\u00ec th\u1ebf, doanh nghi\u1ec7p c\u1ea7n t\u1eadn d\u1ee5ng nh\u1eefng gi\u1ea3i ph\u00e1p c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i nh\u01b0:\u00a0Ki\u1ec3m tra ngo\u1ea1i quan s\u1ea3n ph\u1ea9m<\/strong>,\u00a0truy xu\u1ea5t ngu\u1ed3n g\u1ed1c s\u1ea3n ph\u1ea9m<\/strong>, camera vision, h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m\u2026 \u0111\u1ec3 c\u00f3 th\u1ec3 h\u1ea1n ch\u1ebf v\u00e0 ng\u0103n ng\u1eeba nguy c\u01a1 l\u1ed7i b\u1ea3ng m\u1ea1ch.<\/p>\n<\/div>\n

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Sorry, this entry is only available in Vietnamese. 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. Trong ph\u1ea7n 1, ch\u00fang t\u00f4i \u0111\u00e3 c\u00f9ng b\u1ea1n t\u00ecm hi\u1ec3u 6 nguy\u00ean nh\u00e2n g\u00e2y l\u1ed7i b\u1ea3ng m\u1ea1ch PCB li\u00ean quan \u0111\u1ebfn c\u00e1c […]<\/p>\n","protected":false},"author":2,"featured_media":2625,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1021],"tags":[1138,1122,1125,1136,1135,1137,1140,1126,1134,1139,1133],"acf":[],"_links":{"self":[{"href":"https:\/\/backup.hieuchuan3d.com\/en\/wp-json\/wp\/v2\/posts\/2624"}],"collection":[{"href":"https:\/\/backup.hieuchuan3d.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/backup.hieuchuan3d.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/backup.hieuchuan3d.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/backup.hieuchuan3d.com\/en\/wp-json\/wp\/v2\/comments?post=2624"}],"version-history":[{"count":0,"href":"https:\/\/backup.hieuchuan3d.com\/en\/wp-json\/wp\/v2\/posts\/2624\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/backup.hieuchuan3d.com\/en\/wp-json\/wp\/v2\/media\/2625"}],"wp:attachment":[{"href":"https:\/\/backup.hieuchuan3d.com\/en\/wp-json\/wp\/v2\/media?parent=2624"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/backup.hieuchuan3d.com\/en\/wp-json\/wp\/v2\/categories?post=2624"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/backup.hieuchuan3d.com\/en\/wp-json\/wp\/v2\/tags?post=2624"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}