{"id":2905,"date":"2025-10-04T13:41:34","date_gmt":"2025-10-04T13:41:34","guid":{"rendered":"https:\/\/productionscrews.com\/"},"modified":"2025-10-04T13:41:34","modified_gmt":"2025-10-04T13:41:34","slug":"modern-assembly-inspection-technologies-the-ultimate-guide-to-zero-defect-manufacturing","status":"publish","type":"post","link":"https:\/\/productionscrews.com\/vi\/modern-assembly-inspection-technologies-the-ultimate-guide-to-zero-defect-manufacturing\/","title":{"rendered":"C\u00f4ng ngh\u1ec7 ki\u1ec3m tra l\u1eafp r\u00e1p hi\u1ec7n \u0111\u1ea1i: H\u01b0\u1edbng d\u1eabn t\u1ed1i \u01b0u \u0111\u1ec3 s\u1ea3n xu\u1ea5t kh\u00f4ng l\u1ed7i"},"content":{"rendered":"<h2>C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Ki\u1ec3m tra l\u1eafp r\u00e1p hi\u1ec7n \u0111\u1ea1i: H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng<\/h2>\n<h2>Gi\u1edbi thi\u1ec7u<\/h2>\n<p>Trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p m\u00e0 s\u1ea3n ph\u1ea9m ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng ho\u00e0n h\u1ea3o m\u1ed7i l\u1ea7n, vi\u1ec7c ki\u1ec3m tra l\u1eafp r\u00e1p c\u00f3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng ch\u00ednh x\u00e1c hay kh\u00f4ng l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng. \u0110\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn quan tr\u1ecdng trong m\u00e1y bay, thi\u1ebft b\u1ecb y t\u1ebf ho\u1eb7c h\u1ec7 th\u1ed1ng an to\u00e0n \u00f4 t\u00f4, th\u1eadm ch\u00ed m\u1ed9t l\u1ed7i nh\u1ecf nh\u01b0 m\u1ed1i h\u00e0n y\u1ebfu, b\u1ed9 ph\u1eadn sai v\u1ecb tr\u00ed ho\u1eb7c bong b\u00f3ng kh\u00ed vi m\u00f4 c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 c\u1ed1 ho\u00e0n to\u00e0n. S\u1ea3n xu\u1ea5t s\u1ea3n ph\u1ea9m kh\u00f4ng c\u00f3 l\u1ed7i l\u00e0 kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ee5c ti\u00eau m\u00e0 c\u00f2n l\u00e0 y\u00eau c\u1ea7u tuy\u1ec7t \u0111\u1ed1i. B\u00e0i vi\u1ebft n\u00e0y \u0111i xa h\u01a1n th\u00f4ng tin c\u01a1 b\u1ea3n v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra. M\u1ee5c \u0111\u00edch c\u1ee7a n\u00f3 l\u00e0 gi\u1ea3i th\u00edch chi ti\u1ebft c\u00e1ch c\u00e1c c\u00f4ng ngh\u1ec7 ki\u1ec3m tra l\u1eafp r\u00e1p hi\u1ec7n \u0111\u1ea1i ho\u1ea1t \u0111\u1ed9ng c\u1ed1t l\u00f5i c\u1ee7a ch\u00fang. Ch\u00fang t\u00f4i s\u1ebd ph\u00e2n t\u00edch c\u00e1c \u00fd t\u01b0\u1edfng khoa h\u1ecdc c\u01a1 b\u1ea3n gi\u00fap ph\u00e1t hi\u1ec7n kh\u1ea3 thi, kh\u00e1m ph\u00e1 c\u00e1c c\u00f4ng ngh\u1ec7 ch\u00ednh c\u1ee7a Ki\u1ec3m tra Quang h\u1ecdc T\u1ef1 \u0111\u1ed9ng (AOI), Ki\u1ec3m tra X-quang T\u1ef1 \u0111\u1ed9ng (AXI) v\u00e0 Ki\u1ec3m tra B\u1ed9t h\u00e0n (SPI), c\u0169ng nh\u01b0 tr\u00ecnh b\u00e0y m\u1ed9t k\u1ebf ho\u1ea1ch th\u1ef1c t\u1ebf \u0111\u1ec3 s\u1eed d\u1ee5ng ch\u00fang. H\u01b0\u1edbng d\u1eabn n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 gi\u00fap c\u00e1c k\u1ef9 s\u01b0 s\u1ea3n xu\u1ea5t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh t\u1ed1t h\u01a1n, s\u00e1ng su\u1ed1t h\u01a1n trong m\u1ee5c ti\u00eau s\u1ea3n xu\u1ea5t ho\u00e0n h\u1ea3o.<\/p>\n<h2>Nguy\u00ean t\u1eafc ki\u1ec3m tra c\u01a1 b\u1ea3n<\/h2>\n<p>\u0110\u1ec3 th\u1ef1c s\u1ef1 hi\u1ec3u v\u1ec1 ki\u1ec3m tra l\u1eafp r\u00e1p, b\u1ea1n ph\u1ea3i tr\u01b0\u1edbc ti\u00ean h\u1ecdc c\u00e1c \u00fd t\u01b0\u1edfng khoa h\u1ecdc c\u1ed1t l\u00f5i h\u1ed7 tr\u1ee3 m\u1ecdi h\u1ec7 th\u1ed1ng hi\u1ec7n \u0111\u1ea1i. \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p d\u1ef1a tr\u00ean \u201cnguy\u00ean t\u1eafc c\u01a1 b\u1ea3n\u201d v\u01b0\u1ee3t ra ngo\u00e0i t\u00ean th\u01b0\u01a1ng hi\u1ec7u v\u00e0 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ti\u1ebfp th\u1ecb. Hi\u1ec3u nh\u1eefng n\u1ec1n t\u1ea3ng n\u00e0y cho ph\u00e9p k\u1ef9 s\u01b0 \u0111\u00e1nh gi\u00e1, s\u1eeda ch\u1eefa v\u1ea5n \u0111\u1ec1 v\u00e0 t\u1ea1o ra c\u00e1c gi\u1ea3i ph\u00e1p m\u1edbi v\u1edbi b\u1ea5t k\u1ef3 c\u00f4ng ngh\u1ec7 ki\u1ec3m tra n\u00e0o, ch\u1ee9 kh\u00f4ng ch\u1ec9 v\u1eadn h\u00e0nh n\u00f3. Qu\u00e1 tr\u00ecnh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh hai giai \u0111o\u1ea1n: v\u1eadt l\u00fd c\u1ee7a vi\u1ec7c t\u01b0\u01a1ng t\u00e1c v\u1edbi b\u1ed9 l\u1eafp r\u00e1p \u0111\u1ec3 thu th\u1eadp d\u1eef li\u1ec7u, v\u00e0 to\u00e1n h\u1ecdc c\u1ee7a vi\u1ec7c ph\u00e2n t\u00edch d\u1eef li\u1ec7u \u0111\u00f3 \u0111\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh.<\/p>\n<p><a href=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-joa_rblE010.jpg\" target=\"_blank\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-joa_rblE010.jpg\" height=\"1200\" width=\"1567\" class=\"alignnone size-full wp-image-2908\" alt=\"K\u1ef9 thu\u1eadt vi\u00ean l\u1eafp \u0111\u1eb7t c\u1eeda c\u00f4ng nghi\u1ec7p trong nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t, nh\u1ea5n m\u1ea1nh \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng trong c\u00f4ng ngh\u1ec7 ki\u1ec3m tra l\u1eafp r\u00e1p.\" srcset=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-joa_rblE010.jpg 1567w, https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-joa_rblE010-300x230.jpg 300w, https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-joa_rblE010-768x588.jpg 768w, https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-joa_rblE010-1536x1176.jpg 1536w, https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-joa_rblE010-16x12.jpg 16w\" sizes=\"(max-width: 1567px) 100vw, 1567px\" \/> <\/a><\/p>\n<h3>V\u1eadt l\u00fd c\u1ee7a Ph\u00e1t hi\u1ec7n<\/h3>\n<p>T\u1ea5t c\u1ea3 ki\u1ec3m tra t\u1ef1 \u0111\u1ed9ng l\u00e0 m\u1ed9t h\u00ecnh th\u1ee9c ki\u1ec3m tra kh\u00f4ng l\u00e0m h\u1ecfng s\u1ea3n ph\u1ea9m. N\u00f3 ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch g\u1eedi n\u0103ng l\u01b0\u1ee3ng v\u1ec1 ph\u00eda m\u1ee5c ti\u00eau v\u00e0 nghi\u00ean c\u1ee9u c\u00e1ch n\u0103ng l\u01b0\u1ee3ng \u0111\u00f3 tr\u1edf l\u1ea1i ho\u1eb7c thay \u0111\u1ed5i. Vi\u1ec7c ch\u1ecdn n\u0103ng l\u01b0\u1ee3ng t\u1eeb ph\u1ed5 \u0111i\u1ec7n t\u1eeb, ho\u1eb7c th\u1eadm ch\u00ed s\u00f3ng \u00e2m, quy\u1ebft \u0111\u1ecbnh nh\u1eefng g\u00ec c\u00f3 th\u1ec3 \u201cnh\u00ecn th\u1ea5y\u201d.<\/p>\n<ul>\n<li>\u00c1nh s\u00e1ng nh\u00ecn th\u1ea5y: \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi AOI v\u00e0 ki\u1ec3m tra th\u1ee7 c\u00f4ng, d\u1ef1a v\u00e0o ph\u1ea3n x\u1ea1 v\u00e0 h\u1ea5p th\u1ee5. R\u1ea5t t\u1ed1t \u0111\u1ec3 ki\u1ec3m tra c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m b\u1ec1 m\u1eb7t nh\u01b0 s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a linh ki\u1ec7n, d\u1ea5u ph\u00e2n c\u1ef1c, v\u0103n b\u1ea3n in (OCR), v\u00e0 \u0111\u1eb7c t\u00ednh th\u1ea5m \u01b0\u1edbt c\u1ee7a m\u1ed1i h\u00e0n. M\u00e0u s\u1eafc v\u00e0 \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n l\u00e0 c\u00e1c \u0111i\u1ec3m d\u1eef li\u1ec7u ch\u00ednh.<\/li>\n<li>X-quang: Tia b\u1ee9c x\u1ea1 n\u0103ng l\u01b0\u1ee3ng cao n\u00e0y \u0111i qua h\u1ea7u h\u1ebft c\u00e1c v\u1eadt li\u1ec7u nh\u01b0ng b\u1ecb h\u1ea5p th\u1ee5 kh\u00e1c nhau d\u1ef1a tr\u00ean m\u1eadt \u0111\u1ed9 v\u00e0 \u0111\u1ed9 d\u00e0y c\u1ee7a v\u1eadt li\u1ec7u. Nguy\u00ean t\u1eafc h\u1ea5p th\u1ee5 kh\u00e1c nhau n\u00e0y cho ph\u00e9p h\u1ec7 th\u1ed1ng AXI nh\u00ecn \u201cb\u00ean trong\u201d m\u1ed9t b\u1ed9 ph\u1eadn, hi\u1ec3n th\u1ecb c\u00e1c c\u1ea5u tr\u00fac b\u00ean trong nh\u01b0 h\u00ecnh th\u00e0nh m\u1ed1i h\u00e0n d\u01b0\u1edbi B\u1ea3ng M\u1ea1ch \u0110\u1ea7y \u0110\u1ee7 (BGA), c\u00e1c kho\u1ea3ng tr\u1ed1ng b\u00ean trong, v\u00e0 l\u1ea5p \u0111\u1ea7y \u1ed1ng khoan xuy\u00ean qua.<\/li>\n<li>H\u1ed3ng ngo\u1ea1i (IR): M\u1ed7i th\u00e0nh ph\u1ea7n ph\u00e1t ra n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t (nhi\u1ec7t). Camera IR c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c d\u1ea5u hi\u1ec7u nhi\u1ec7t n\u00e0y, \u0111i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong ki\u1ec3m tra khi b\u1eadt ngu\u1ed3n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u1eadp m\u1ea1ch, m\u1ea1ch m\u1edf ho\u1eb7c c\u00e1c th\u00e0nh ph\u1ea7n ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng \u0111\u00fang c\u00e1ch g\u00e2y qu\u00e1 nhi\u1ec7t ho\u1eb7c kh\u00f4ng ti\u00eau th\u1ee5 \u0111i\u1ec7n.<\/li>\n<li>\u00c2m thanh (Si\u00eau \u00e2m): Trong ki\u1ec3m tra l\u1eafp r\u00e1p c\u01a1 kh\u00ed, s\u00f3ng \u00e2m t\u1ea7n s\u1ed1 cao \u0111\u01b0\u1ee3c h\u01b0\u1edbng v\u00e0o v\u1eadt li\u1ec7u. B\u1eb1ng c\u00e1ch ph\u00e2n t\u00edch c\u00e1c s\u00f3ng ph\u1ea3n x\u1ea1 (ti\u1ebfng vang), c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c v\u1ebft n\u1ee9t b\u00ean trong, s\u1ef1 t\u00e1ch r\u1eddi ho\u1eb7c c\u00e1c khe h\u1edf li\u00ean k\u1ebft m\u00e0 kh\u00f4ng th\u1ec3 nh\u00ecn th\u1ea5y b\u1eb1ng \u00e1nh s\u00e1ng ho\u1eb7c tia X.<\/li>\n<\/ul>\n<h3>To\u00e1n h\u1ecdc ph\u00e2n t\u00edch<\/h3>\n<p>M\u1ed9t khi c\u00e1c h\u1ea1t \u00e1nh s\u00e1ng ho\u1eb7c s\u00f3ng \u00e2m \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea3m bi\u1ebfn b\u1eaft gi\u1eef v\u00e0 chuy\u1ec3n \u0111\u1ed5i th\u00e0nh t\u00edn hi\u1ec7u k\u1ef9 thu\u1eadt s\u1ed1, m\u1ed9t lo\u1ea1t c\u00e1c ph\u00e9p t\u00ednh ph\u1ee9c t\u1ea1p \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ec3 bi\u1ebfn \u0111\u1ed5i d\u1eef li\u1ec7u th\u00f4 th\u00e0nh quy\u1ebft \u0111\u1ecbnh \u0111\u1ea1t\/kh\u00f4ng \u0111\u1ea1t c\u00f3 th\u1ec3 h\u00e0nh \u0111\u1ed9ng. \u0110\u00e2y l\u00e0 l\u0129nh v\u1ef1c x\u1eed l\u00fd h\u00ecnh \u1ea3nh k\u1ef9 thu\u1eadt s\u1ed1 v\u00e0 ph\u00e2n t\u00edch th\u1ed1ng k\u00ea.<\/p>\n<p>C\u00e1c h\u1ec7 th\u1ed1ng s\u1edbm d\u1ef1a nhi\u1ec1u v\u00e0o ph\u00e2n t\u00edch d\u1ef1a tr\u00ean \u0111i\u1ec3m \u1ea3nh, trong \u0111\u00f3 m\u00e0u s\u1eafc ho\u1eb7c \u0111\u1ed9 s\u00e1ng c\u1ee7a c\u00e1c \u0111i\u1ec3m \u1ea3nh trong m\u1ed9t v\u00f9ng c\u1ee5 th\u1ec3 \u0111\u01b0\u1ee3c so s\u00e1nh v\u1edbi h\u00ecnh \u1ea3nh tham chi\u1ebfu \u0111\u00e3 bi\u1ebft l\u00e0 t\u1ed1t, m\u1ed9t k\u1ef9 thu\u1eadt g\u1ecdi l\u00e0 so kh\u1edbp m\u1eabu. M\u1eb7c d\u00f9 nhanh, nh\u01b0ng k\u1ef9 thu\u1eadt n\u00e0y r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi nh\u1eefng thay \u0111\u1ed5i nh\u1ecf v\u1ec1 \u00e1nh s\u00e1ng v\u00e0 ho\u00e0n thi\u1ec7n c\u1ee7a th\u00e0nh ph\u1ea7n.<\/p>\n<p>H\u1ec7 th\u1ed1ng hi\u1ec7n \u0111\u1ea1i ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng ph\u00e2n t\u00edch d\u1ef1a tr\u00ean \u0111\u1eb7c \u0111i\u1ec3m. Thay v\u00ec so s\u00e1nh to\u00e0n b\u1ed9 h\u00ecnh \u1ea3nh, ph\u1ea7n m\u1ec1m x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee5 th\u1ec3\u2014nh\u01b0 c\u1ea1nh c\u1ee7a m\u1ed9t th\u00e0nh ph\u1ea7n, \u0111\u01b0\u1eddng cong c\u1ee7a m\u1ed1i h\u00e0n, ho\u1eb7c vi\u00ean m\u1ed1i h\u00e0n h\u00ecnh tr\u00f2n\u2014v\u00e0 t\u00ednh to\u00e1n c\u00e1c k\u00edch th\u01b0\u1edbc ch\u00ednh x\u00e1c. C\u00e1c ph\u00e9p \u0111o n\u00e0y sau \u0111\u00f3 \u0111\u01b0\u1ee3c so s\u00e1nh v\u1edbi b\u1ed9 quy t\u1eafc d\u1ef1a tr\u00ean c\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 IPC-A-610. C\u00e1c ph\u00e9p t\u00ednh ch\u00ednh bao g\u1ed3m ph\u00e2n t\u00edch blob, \u0111\u1ec3 t\u00ecm v\u00e0 \u0111o c\u00e1c v\u00f9ng quan t\u00e2m li\u00ean k\u1ebft (nh\u01b0 l\u1edbp m\u1ee1 h\u00e0n), v\u00e0 ph\u00e1t hi\u1ec7n c\u1ea1nh, \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c ranh gi\u1edbi c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n.<\/p>\n<p>D\u1eef li\u1ec7u n\u00e0y kh\u00f4ng ch\u1ec9 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ea1t\/kh\u00f4ng \u0111\u1ea1t. N\u00f3 cung c\u1ea5p d\u1eef li\u1ec7u cho m\u1ed9t h\u1ec7 th\u1ed1ng Ki\u1ec3m so\u00e1t Qu\u00e1 tr\u00ecnh Th\u1ed1ng k\u00ea (SPC). B\u1eb1ng c\u00e1ch theo d\u00f5i c\u00e1c ch\u1ec9 s\u1ed1 nh\u01b0 trung b\u00ecnh th\u1ec3 t\u00edch paste h\u00e0n ho\u1eb7c \u0111\u1ed9 l\u1ec7ch chu\u1ea9n c\u1ee7a v\u1ecb tr\u00ed linh ki\u1ec7n, h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t t\u00ecnh tr\u1ea1ng c\u1ee7a to\u00e0n b\u1ed9 d\u00e2y chuy\u1ec1n, cung c\u1ea5p c\u1ea3nh b\u00e1o s\u1edbm v\u1ec1 s\u1ef1 l\u1ec7ch qu\u00e1 tr\u00ecnh tr\u01b0\u1edbc khi l\u1ed7i x\u1ea3y ra. C\u00e1c h\u1ec7 th\u1ed1ng hi\u1ec7n \u0111\u1ea1i c\u00f3 th\u1ec3 x\u1eed l\u00fd h\u00e0ng tri\u1ec7u \u0111i\u1ec3m \u1ea3nh v\u00e0 th\u1ef1c hi\u1ec7n h\u00e0ng ngh\u00ecn ph\u00e9p t\u00ednh m\u1ed7i gi\u00e2y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ee9c ki\u1ec3m so\u00e1t n\u00e0y.<\/p>\n<h2>C\u00f4ng ngh\u1ec7 Ki\u1ec3m tra C\u1ed1t l\u00f5i<\/h2>\n<p>V\u1edbi hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n, ch\u00fang ta c\u00f3 th\u1ec3 xem x\u00e9t ba c\u00f4ng ngh\u1ec7 ki\u1ec3m tra t\u1ef1 \u0111\u1ed9ng quan tr\u1ecdng nh\u1ea5t trong l\u1eafp r\u00e1p \u0111i\u1ec7n t\u1eed hi\u1ec7n \u0111\u1ea1i. M\u1ed7i h\u1ec7 th\u1ed1ng l\u00e0 m\u1ed9t ph\u1ea7n k\u1ef9 thu\u1eadt \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 gi\u1ea3i quy\u1ebft m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c v\u1ea5n \u0111\u1ec1 c\u1ee5 th\u1ec3 \u1edf m\u1ed9t giai \u0111o\u1ea1n nh\u1ea5t \u0111\u1ecbnh c\u1ee7a qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/p>\n<h3>Ki\u1ec3m tra quang h\u1ecdc t\u1ef1 \u0111\u1ed9ng (AOI)<\/h3>\n<p>AOI l\u00e0 c\u00f4ng c\u1ee5 ch\u00ednh trong ki\u1ec3m tra sau qu\u00e1 tr\u00ecnh h\u00e0n, ch\u1ecbu tr\u00e1ch nhi\u1ec7m ph\u00e1t hi\u1ec7n ph\u1ea7n l\u1edbn c\u00e1c l\u1ed7i tr\u00ean b\u1ec1 m\u1eb7t. Hi\u1ec7u qu\u1ea3 c\u1ee7a n\u00f3 l\u00e0 k\u1ebft qu\u1ea3 tr\u1ef1c ti\u1ebfp t\u1eeb h\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng v\u00e0 quang h\u1ecdc tinh vi. C\u00e1c k\u1ef9 thu\u1eadt chi\u1ebfu s\u00e1ng kh\u00e1c nhau c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c lo\u1ea1i l\u1ed7i kh\u00e1c nhau. Chi\u1ebfu s\u00e1ng \u0111\u1ed3ng tr\u1ee5c (\u00e1nh s\u00e1ng chi\u1ebfu qua \u1ed1ng k\u00ednh) l\u00fd t\u01b0\u1edfng \u0111\u1ec3 \u0111\u1ecdc ch\u1eef v\u00e0 xem c\u00e1c b\u1ec1 m\u1eb7t ph\u1eb3ng. \u0110\u00e8n v\u00f2ng cung cung c\u1ea5p \u00e1nh s\u00e1ng m\u1ec1m, \u0111a h\u01b0\u1edbng \u0111\u1ec3 gi\u1ea3m thi\u1ec3u b\u00f3ng t\u1ed1i. Chi\u1ebfu s\u00e1ng g\u00f3c, th\u01b0\u1eddng t\u1eeb nhi\u1ec1u ph\u1ea7n l\u1eadp tr\u00ecnh \u0111\u01b0\u1ee3c, r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u00e0m n\u1ed5i b\u1eadt k\u1ebft c\u1ea5u v\u00e0 \u0111\u1ed9 cong ba chi\u1ec1u c\u1ee7a c\u00e1c m\u1ed1i h\u00e0n, ph\u00e1t hi\u1ec7n c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 \u0111\u1ed9 \u01b0\u1edbt k\u00e9m ho\u1eb7c h\u00e0n kh\u00f4ng \u0111\u1ee7. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111o l\u01b0\u1eddng tr\u00ean to\u00e0n b\u1ed9 v\u00f9ng nh\u00ecn, c\u00e1c h\u1ec7 th\u1ed1ng cao c\u1ea5p s\u1eed d\u1ee5ng \u1ed1ng k\u00ednh telecentric, gi\u00fap lo\u1ea1i b\u1ecf sai l\u1ec7ch ph\u1ed1i c\u1ea3nh (l\u1ed7i parallax) v\u1ed1n c\u00f3 c\u1ee7a \u1ed1ng k\u00ednh ti\u00eau chu\u1ea9n.<\/p>\n<p>C\u00f3 m\u1ed9t s\u1ef1 kh\u00e1c bi\u1ec7t quan tr\u1ecdng gi\u1eefa AOI 2D v\u00e0 AOI 3D. AOI 2D d\u1ef1a v\u00e0o camera m\u00e0u t\u1eeb tr\u00ean xu\u1ed1ng, ph\u00e2n t\u00edch h\u00ecnh \u1ea3nh d\u1ef1a tr\u00ean m\u00e0u s\u1eafc, \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n v\u00e0 c\u00e1c m\u1eabu h\u00ecnh. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y nhanh v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u1ef1 c\u00f3 m\u1eb7t ho\u1eb7c v\u1eafng m\u1eb7t c\u1ee7a linh ki\u1ec7n, ki\u1ec3m tra c\u1ef1c t\u00ednh v\u00e0 l\u1ed7i v\u0103n b\u1ea3n. Tuy nhi\u00ean, v\u1ec1 c\u01a1 b\u1ea3n n\u00f3 l\u00e0 \u201cph\u1eb3ng\u201d v\u00e0 kh\u00f4ng th\u1ec3 \u0111o chi\u1ec1u cao. AOI 3D gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y b\u1eb1ng c\u00e1ch b\u1ed5 sung kh\u1ea3 n\u0103ng \u0111o chi\u1ec1u cao, th\u01b0\u1eddng s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p tam gi\u00e1c laser ho\u1eb7c chi\u1ebfu \u00e1nh s\u00e1ng c\u00f3 c\u1ea5u tr\u00fac. M\u1ed9t tia laser ho\u1eb7c m\u1ed9t m\u1eabu \u00e1nh s\u00e1ng (chi\u1ebfu s\u1ecdc) \u0111\u01b0\u1ee3c chi\u1ebfu l\u00ean b\u1ea3ng m\u1ea1ch theo m\u1ed9t g\u00f3c, v\u00e0 camera s\u1ebd ghi l\u1ea1i s\u1ef1 bi\u1ebfn d\u1ea1ng c\u1ee7a \u00e1nh s\u00e1ng n\u00e0y. Nh\u1edd v\u00e0o h\u00ecnh h\u1ecdc tam gi\u00e1c \u0111\u01a1n gi\u1ea3n, h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 t\u00ednh to\u00e1n b\u1ea3n \u0111\u1ed3 chi\u1ec1u cao ch\u00ednh x\u00e1c c\u1ee7a t\u1eebng linh ki\u1ec7n v\u00e0 m\u1ed1i h\u00e0n, gi\u00fap ph\u00e1t hi\u1ec7n hi\u1ec7u qu\u1ea3 c\u00e1c l\u1ed7i nh\u01b0 ch\u00e2n linh ki\u1ec7n b\u1ecb n\u00e2ng l\u00ean v\u00e0 v\u1ea5n \u0111\u1ec1 v\u1ec1 \u0111\u1ed9 ph\u1eb3ng c\u1ee7a linh ki\u1ec7n, nh\u1eefng l\u1ed7i m\u00e0 h\u1ec7 th\u1ed1ng 2D kh\u00f4ng th\u1ec3 nh\u00ecn th\u1ea5y.<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"192\">\u0110\u1eb7c \u0111i\u1ec3m<\/td>\n<td width=\"192\">2D AOI<\/td>\n<td width=\"192\">3D AOI<\/td>\n<\/tr>\n<tr>\n<td width=\"192\"><strong>Nguy\u00ean t\u1eafc \u0111o l\u01b0\u1eddng<\/strong><\/td>\n<td width=\"192\">M\u00e0u s\u1eafc, \u0110\u1ed9 t\u01b0\u01a1ng ph\u1ea3n, Ph\u00f9 h\u1ee3p m\u1eabu<\/td>\n<td width=\"192\">\u0110o chi\u1ec1u cao (Laser\/\u00c1nh s\u00e1ng c\u1ea5u tr\u00fac)<\/td>\n<\/tr>\n<tr>\n<td width=\"192\"><strong>\u0110i\u1ec3m m\u1ea1nh ch\u00ednh<\/strong><\/td>\n<td width=\"192\">T\u1ed1c \u0111\u1ed9, Hi\u1ec7u qu\u1ea3 chi ph\u00ed, OCR, \u0110\u1ed9 ph\u00e2n c\u1ef1c<\/td>\n<td width=\"192\">Ch\u00e2n d\u1eabn b\u1ecb n\u00e2ng, \u0110\u1ed9 ph\u1eb3ng, Chi\u1ec1u cao linh ki\u1ec7n<\/td>\n<\/tr>\n<tr>\n<td width=\"192\"><strong>\u0110i\u1ec3m y\u1ebfu ch\u00ednh<\/strong><\/td>\n<td width=\"192\">D\u1ec5 b\u1ecb b\u00f3ng, nh\u1ea1y c\u1ea3m v\u1edbi m\u00e0u s\u1eafc\/ k\u1ebft c\u1ea5u<\/td>\n<td width=\"192\">Th\u00f4ng l\u01b0\u1ee3ng ch\u1eadm h\u01a1n, chi ph\u00ed cao h\u01a1n, g\u1eb7p kh\u00f3 kh\u0103n v\u1edbi b\u1ec1 m\u1eb7t ph\u1ea3n x\u1ea1<\/td>\n<\/tr>\n<tr>\n<td width=\"192\"><strong>Ngu\u1ed3n g\u00e2y l\u1ed7i gi\u1ea3 \u0111i\u1ec3n h\u00ecnh<\/strong><\/td>\n<td width=\"192\">Bi\u1ebfn \u0111\u1ed5i m\u00e0u s\u1eafc linh ki\u1ec7n, thay \u0111\u1ed5i \u00e1nh s\u00e1ng<\/td>\n<td width=\"192\">Cong v\u00eanh linh ki\u1ec7n, m\u1ed1i h\u00e0n ph\u1ea3n x\u1ea1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Ki\u1ec3m tra X-quang t\u1ef1 \u0111\u1ed9ng (AXI)<\/h3>\n<p>Khi c\u00e1c l\u1ed7i \u1ea9n kh\u1ecfi t\u1ea7m nh\u00ecn, AXI l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra duy nh\u1ea5t kh\u1ea3 thi. \u0110i\u1ec1u n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft cho c\u00e1c g\u00f3i m\u1ea1ch ph\u1ee9c t\u1ea1p hi\u1ec7n \u0111\u1ea1i nh\u01b0 M\u1ea3ng b\u00f3ng (BGAs), Quad Flat No-lead (QFNs), v\u00e0 l\u1eafp r\u00e1p G\u00f3i-tr\u00ean-G\u00f3i (PoP), n\u01a1i t\u1ea5t c\u1ea3 c\u00e1c k\u1ebft n\u1ed1i h\u00e0n n\u1eb1m d\u01b0\u1edbi th\u00e2n linh ki\u1ec7n. H\u1ec7 th\u1ed1ng AXI g\u1ed3m \u1ed1ng tia X micro-focus t\u1ea1o ra ch\u00f9m tia X h\u00ecnh n\u00f3n v\u00e0 b\u1ed9 ph\u00e1t hi\u1ec7n k\u1ef9 thu\u1eadt s\u1ed1 ph\u1eb3ng ph\u1eb3ng ch\u1ee5p h\u00ecnh \u1ea3nh k\u1ebft qu\u1ea3. L\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng tia X h\u1ea5p th\u1ee5 ph\u1ee5 thu\u1ed9c v\u00e0o s\u1ed1 nguy\u00ean t\u1eed v\u00e0 m\u1eadt \u0111\u1ed9 c\u1ee7a v\u1eadt li\u1ec7u \u0111i qua; h\u00e0n, l\u00e0 v\u1eadt li\u1ec7u \u0111\u1eb7c, hi\u1ec3n th\u1ecb r\u00f5 r\u00e0ng so v\u1edbi n\u1ec1n PCB \u00edt \u0111\u1eb7c h\u01a1n.<\/p>\n<p>H\u1ec7 th\u1ed1ng AXI cung c\u1ea5p nhi\u1ec1u ch\u1ebf \u0111\u1ed9 h\u00ecnh \u1ea3nh. AXI truy\u1ec1n qua 2D cung c\u1ea5p m\u1ed9t h\u00ecnh \u1ea3nh \u201cb\u00f3ng t\u1ed1i\u201d t\u1eeb tr\u00ean xu\u1ed1ng c\u1ee7a b\u1ea3ng m\u1ea1ch. N\u00f3 r\u1ea5t nhanh v\u00e0 hi\u1ec7u qu\u1ea3 \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u1ea7u ch\u00ec (ng\u1eafn m\u1ea1ch) v\u00e0 c\u00e1c v\u00f9ng tr\u1ed1ng l\u1edbn. \u0110i\u1ec3m y\u1ebfu ch\u00ednh c\u1ee7a n\u00f3 l\u00e0 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m tr\u00ean m\u1eb7t tr\u00ean v\u00e0 m\u1eb7t d\u01b0\u1edbi c\u1ee7a b\u1ea3ng m\u1ea1ch b\u1ecb ch\u1ed3ng ch\u00e9o, c\u00f3 th\u1ec3 t\u1ea1o ra h\u00ecnh \u1ea3nh g\u00e2y nh\u1ea7m l\u1eabn. \u0110\u1ec3 kh\u1eafc ph\u1ee5c, \u0111\u00e3 ph\u00e1t tri\u1ec3n AXI 2.5D. B\u1eb1ng c\u00e1ch di chuy\u1ec3n ngu\u1ed3n ho\u1eb7c b\u1ed9 ph\u00e1t hi\u1ec7n, h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 ch\u1ee5p nhi\u1ec1u h\u00ecnh \u1ea3nh t\u1eeb c\u00e1c g\u00f3c nghi\u00eang. Ph\u1ea7n m\u1ec1m sau \u0111\u00f3 s\u1eed d\u1ee5ng c\u00e1c g\u00f3c nh\u00ecn n\u00e0y \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 t\u00e1ch bi\u1ec7t m\u1eb7t tr\u00ean v\u00e0 m\u1eb7t d\u01b0\u1edbi c\u1ee7a b\u1ea3ng m\u1ea1ch.<\/p>\n<p>K\u1ef9 thu\u1eadt m\u1ea1nh nh\u1ea5t l\u00e0 AXI 3D, c\u00f2n g\u1ecdi l\u00e0 Qu\u00e9t c\u1eaft l\u1edbp (CT). Trong qu\u00e1 tr\u00ecnh n\u00e0y, b\u1ea3ng m\u1ea1ch \u0111\u01b0\u1ee3c quay trong khi h\u00e0ng tr\u0103m h\u00ecnh \u1ea3nh X-quang 2D \u0111\u01b0\u1ee3c ch\u1ee5p t\u1eeb c\u00e1c g\u00f3c kh\u00e1c nhau. M\u1ed9t ph\u00e9p t\u00ednh t\u00e1i t\u1ea1o ph\u1ee9c t\u1ea1p (nh\u01b0 ph\u00e9p chi\u1ebfu l\u00f9i \u0111\u00e3 l\u1ecdc) sau \u0111\u00f3 t\u1ed5ng h\u1ee3p c\u00e1c d\u1ef1 \u0111o\u00e1n 2D n\u00e0y th\u00e0nh m\u1ed9t m\u00f4 h\u00ecnh th\u1ec3 t\u00edch 3D ho\u00e0n ch\u1ec9nh c\u1ee7a b\u1ed9 l\u1eafp r\u00e1p. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p ng\u01b0\u1eddi v\u1eadn h\u00e0nh \u201cc\u1eaft\u201d k\u1ef9 thu\u1eadt s\u1ed1 qua b\u1ea5t k\u1ef3 linh ki\u1ec7n ho\u1eb7c m\u1ed1i h\u00e0n n\u00e0o, cung c\u1ea5p c\u00e1i nh\u00ecn kh\u00f4ng th\u1ec3 s\u00e1nh b\u1eb1ng v\u1ec1 c\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a n\u00f3. V\u1edbi AXI 3D, c\u00f3 th\u1ec3 \u0111o ch\u00ednh x\u00e1c h\u00ecnh d\u1ea1ng, k\u00edch th\u01b0\u1edbc, v\u00e0 \u0111\u1ed9 tr\u00f2n c\u1ee7a b\u00f3ng BGA, \u0111\u1ecbnh l\u01b0\u1ee3ng t\u1ef7 l\u1ec7 tr\u1ed1ng trong m\u1ed1i h\u00e0n, v\u00e0 x\u00e1c \u0111\u1ecbnh r\u00f5 c\u00e1c l\u1ed7i kh\u00f3 ph\u00e1t hi\u1ec7n nh\u01b0 \u201c\u0111\u1ea7u trong g\u1ed1i\u201d m\u00e0 kh\u00f4ng th\u1ec3 x\u00e1c nh\u1eadn b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c.<\/p>\n<h3>Ki\u1ec3m tra B\u1ed9t h\u00e0n (SPI)<\/h3>\n<p>Nhi\u1ec1u th\u1eadp k\u1ef7 d\u1eef li\u1ec7u quy tr\u00ecnh \u0111\u00e3 cho th\u1ea5y r\u1eb1ng qu\u00e1 tr\u00ecnh in b\u1ed9t h\u00e0n l\u00e0 ngu\u1ed3n g\u00e2y ra t\u1edbi 70% c\u00e1c l\u1ed7i SMT cu\u1ed1i d\u00e2y chuy\u1ec1n. Do \u0111\u00f3, h\u1ee3p l\u00fd khi \u0111\u1eb7t l\u1edbp ph\u00f2ng th\u1ee7 \u0111\u1ea7u ti\u00ean ngay sau m\u00e1y in b\u1ed9t h\u00e0n. \u0110\u00e2y l\u00e0 vai tr\u00f2 c\u1ee7a Ki\u1ec3m tra B\u1ed9t h\u00e0n 3D. SPI cung c\u1ea5p ph\u00e9p \u0111o \u0111\u1ecbnh l\u01b0\u1ee3ng, tr\u1ef1c tuy\u1ebfn v\u1ec1 t\u1eebng l\u01b0\u1ee3ng b\u1ed9t h\u00e0n tr\u00ean b\u1ea3ng tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t b\u1ea5t k\u1ef3 linh ki\u1ec7n n\u00e0o.<\/p>\n<p>C\u00f4ng ngh\u1ec7 ch\u1ee7 \u0111\u1ea1o cho SPI l\u00e0 m\u1ed9t d\u1ea1ng \u00e1nh s\u00e1ng c\u1ea5u tr\u00fac g\u1ecdi l\u00e0 chi\u1ebfu s\u00e1ng vi\u1ec1n. H\u1ec7 th\u1ed1ng chi\u1ebfu m\u1ed9t chu\u1ed7i c\u00e1c m\u1eabu \u00e1nh s\u00e1ng s\u1ecdc ch\u00ednh x\u00e1c (m\u1eabu Moir\u00e9) l\u00ean PCB. M\u1ed9t camera \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao, g\u1eafn \u1edf g\u00f3c l\u1ec7ch, ghi l\u1ea1i c\u00e1ch c\u00e1c m\u1eabu n\u00e0y bi\u1ebfn d\u1ea1ng khi \u0111i qua c\u00e1c l\u1edbp d\u00e1n paste ba chi\u1ec1u. B\u1eb1ng c\u00e1ch ph\u00e2n t\u00edch s\u1ef1 bi\u1ebfn d\u1ea1ng n\u00e0y qua qu\u00e1 tr\u00ecnh g\u1ecdi l\u00e0 ph\u00e2n t\u00edch pha, ph\u1ea7n m\u1ec1m h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 t\u00ednh to\u00e1n b\u1ea3n \u0111\u1ed3 chi\u1ec1u cao 3D ch\u00ednh x\u00e1c cao c\u1ee7a to\u00e0n b\u1ed9 b\u1ea3ng m\u1ea1ch.<\/p>\n<p>T\u1eeb b\u1ea3n \u0111\u1ed3 3D n\u00e0y, h\u1ec7 th\u1ed1ng tr\u00edch xu\u1ea5t c\u00e1c ch\u1ec9 s\u1ed1 quan tr\u1ecdng cho t\u1eebng deposit: Th\u1ec3 t\u00edch, Di\u1ec7n t\u00edch, Chi\u1ec1u cao, Ch\u00eanh l\u1ec7ch X\/Y, v\u00e0 K\u1ebft n\u1ed1i. M\u1ed7i ch\u1ec9 s\u1ed1 \u0111\u1ec1u quan tr\u1ecdng. Th\u1ec3 t\u00edch kh\u00f4ng \u0111\u1ee7 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u1ed1i h\u00e0n y\u1ebfu ho\u1eb7c m\u1edf. Th\u1ec3 t\u00edch qu\u00e1 m\u1ee9c c\u00f3 th\u1ec3 g\u00e2y ch\u1eadp m\u1ea1ch. Ch\u00eanh l\u1ec7ch c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng tombstoning ho\u1eb7c l\u1ec7ch l\u1ec7ch c\u00e1c th\u00e0nh ph\u1ea7n.<\/p>\n<p>Tri\u1ec3n khai ti\u00ean ti\u1ebfn nh\u1ea5t c\u1ee7a SPI li\u00ean quan \u0111\u1ebfn h\u1ec7 th\u1ed1ng ph\u1ea3n h\u1ed3i v\u00f2ng k\u00edn. M\u00e1y SPI giao ti\u1ebfp tr\u1ef1c ti\u1ebfp v\u1edbi m\u00e1y in paste h\u00e0n. N\u1ebfu h\u1ec7 th\u1ed1ng SPI ph\u00e1t hi\u1ec7n xu h\u01b0\u1edbng qu\u00e1 tr\u00ecnh \u2014 v\u00ed d\u1ee5, t\u1ea5t c\u1ea3 c\u00e1c deposit paste li\u00ean t\u1ee5c d\u1ecbch chuy\u1ec3n 50 micron sang tr\u00e1i \u2014 n\u00f3 c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng g\u1eedi l\u1ec7nh ch\u1ec9nh s\u1eeda \u0111\u1ebfn m\u00e1y in \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh c\u0103n ch\u1ec9nh b\u1ea3ng m\u1ea1ch v\u1edbi stencil. \u0110i\u1ec1u n\u00e0y ng\u0103n ch\u1eb7n h\u00e0ng ngh\u00ecn l\u1ed7i ti\u1ec1m n\u0103ng t\u1eeb tr\u01b0\u1edbc, chuy\u1ec3n \u0111\u1ed5i ph\u01b0\u01a1ng ph\u00e1p ch\u1ea5t l\u01b0\u1ee3ng t\u1eeb ph\u00e1t hi\u1ec7n sang ph\u00f2ng ng\u1eeba.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-2907\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-8I6msQkEZG0.jpg\" alt=\"\u1ea3nh \u0111en tr\u1eafng c\u1ee7a nh\u1eefng ng\u01b0\u1eddi l\u00e0m vi\u1ec7c\" width=\"1497\" height=\"1200\" srcset=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-8I6msQkEZG0.jpg 1497w, https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-8I6msQkEZG0-300x240.jpg 300w, https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-8I6msQkEZG0-768x616.jpg 768w, https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-8I6msQkEZG0-15x12.jpg 15w\" sizes=\"(max-width: 1497px) 100vw, 1497px\" \/><\/p>\n<h2>Ki\u1ec3m tra th\u1ee7 c\u00f4ng v\u00e0 k\u1ebft h\u1ee3p<\/h2>\n<p>D\u00f9 h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng m\u1ea1nh m\u1ebd \u0111\u1ebfn \u0111\u00e2u, ki\u1ec3m tra th\u1ee7 c\u00f4ng v\u1eabn l\u00e0 ph\u1ea7n ph\u00f9 h\u1ee3p v\u00e0 c\u1ea7n thi\u1ebft c\u1ee7a chi\u1ebfn l\u01b0\u1ee3c ch\u1ea5t l\u01b0\u1ee3ng to\u00e0n di\u1ec7n, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi s\u1ea3n xu\u1ea5t s\u1ed1 l\u01b0\u1ee3ng th\u1ea5p, ki\u1ec3m tra cu\u1ed1i c\u00f9ng v\u00e0 x\u00e1c nh\u1eadn s\u1eeda ch\u1eefa. Xem n\u00f3 nh\u01b0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p l\u1ed7i th\u1eddi l\u00e0 sai l\u1ea7m; thay v\u00e0o \u0111\u00f3, n\u00f3 n\u00ean \u0111\u01b0\u1ee3c xem nh\u01b0 m\u1ed9t qu\u00e1 tr\u00ecnh v\u1edbi c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt v\u00e0 xem x\u00e9t ri\u00eang.<\/p>\n<h3>Khoa h\u1ecdc c\u1ee7a Ki\u1ec3m tra Th\u1ecb gi\u00e1c<\/h3>\n<p>M\u1ed9t tr\u1ea1m ki\u1ec3m tra th\u1ee7 c\u00f4ng \u0111\u00fang c\u00e1ch l\u00e0 m\u1ed9t m\u00f4i tr\u01b0\u1eddng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf c\u1ea9n th\u1eadn. Vi\u1ec7c ch\u1ecdn k\u00ednh hi\u1ec3n vi l\u00e0 r\u1ea5t quan tr\u1ecdng. K\u00ednh hi\u1ec3n vi stereo th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u01b0u ti\u00ean v\u00ec ch\u00fang cung c\u1ea5p kh\u1ea3 n\u0103ng nh\u1eadn th\u1ee9c chi\u1ec1u s\u00e2u th\u1ef1c s\u1ef1, r\u1ea5t qu\u00fd gi\u00e1 \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 h\u00ecnh d\u1ea1ng m\u1ed1i h\u00e0n. K\u00ednh hi\u1ec3n vi k\u1ef9 thu\u1eadt s\u1ed1 mang l\u1ea1i s\u1ef1 tho\u1ea3i m\u00e1i v\u01b0\u1ee3t tr\u1ed9i, gi\u1ea3m m\u1ec7t m\u1ecfi cho ng\u01b0\u1eddi v\u1eadn h\u00e0nh, v\u00e0 d\u1ec5 d\u00e0ng ch\u1ee5p h\u00ecnh \u0111\u1ec3 t\u00e0i li\u1ec7u v\u00e0 \u0111\u00e0o t\u1ea1o. M\u1ee9c ph\u00f3ng \u0111\u1ea1i ph\u1ea3i \u0111\u01b0\u1ee3c ti\u00eau chu\u1ea9n h\u00f3a d\u1ef1a tr\u00ean k\u00edch th\u01b0\u1edbc th\u00e0nh ph\u1ea7n v\u00e0 ti\u00eau ch\u00ed ki\u1ec3m tra, th\u01b0\u1eddng theo ti\u00eau chu\u1ea9n IPC.<\/p>\n<p>Chi\u1ebfu s\u00e1ng c\u00f3 th\u1ec3 l\u00e0 y\u1ebfu t\u1ed1 k\u1ef9 thu\u1eadt quan tr\u1ecdng nh\u1ea5t. N\u00f3 ph\u1ea3i s\u00e1ng, ph\u00e2n t\u00e1n cao \u0111\u1ec3 tr\u00e1nh ch\u00f3i t\u1eeb c\u00e1c m\u1ed1i h\u00e0n ph\u1ea3n chi\u1ebfu, v\u00e0 d\u1ec5 \u0111i\u1ec1u ch\u1ec9nh. S\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a \u0111\u00e8n v\u00f2ng chi\u1ebfu t\u1eeb tr\u00ean xu\u1ed1ng v\u00e0 \u0111\u00e8n \u201cgooseneck\u201d g\u00f3c nghi\u00eang th\u01b0\u1eddng mang l\u1ea1i k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t.<\/p>\n<p>Ngo\u00e0i ph\u1ea7n c\u1ee9ng, c\u1ea7n xem x\u00e9t c\u00e1c y\u1ebfu t\u1ed1 t\u01b0 duy. M\u1ec7t m\u1ecfi c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh l\u00e0 m\u1ed9t r\u1ee7i ro l\u1edbn d\u1eabn \u0111\u1ebfn b\u1ecf s\u00f3t l\u1ed7i. C\u00e1c ch\u01b0\u01a1ng tr\u00ecnh \u0111\u00e0o t\u1ea1o c\u00f3 c\u1ea5u tr\u00fac, ngh\u1ec9 gi\u1ea3i lao \u0111\u1ecbnh k\u1ef3 v\u00e0 lu\u00e2n chuy\u1ec3n c\u00f4ng vi\u1ec7c l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft. H\u01a1n n\u1eefa, ng\u01b0\u1eddi v\u1eadn h\u00e0nh d\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi c\u00e1c th\u00e0nh ki\u1ebfn t\u00e2m l\u00fd, nh\u01b0 th\u00e0nh ki\u1ebfn x\u00e1c nh\u1eadn (nh\u00ecn th\u1ea5y nh\u1eefng g\u00ec h\u1ecd mong \u0111\u1ee3i). \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao ti\u00eau ch\u00ed r\u00f5 r\u00e0ng, kh\u00e1ch quan l\u1ea1i quan tr\u1ecdng.<\/p>\n<h3>S\u1eed d\u1ee5ng Ti\u00eau chu\u1ea9n IPC-A-610<\/h3>\n<p>\u0110\u1ec3 ch\u1ed1ng l\u1ea1i ch\u1ee7 quan, ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111i\u1ec7n t\u1eed d\u1ef1a v\u00e0o c\u00e1c ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt nh\u01b0 IPC-A-610, \u201cCh\u1ea5p nh\u1eadn c\u00e1c b\u1ed9 l\u1eafp r\u00e1p \u0111i\u1ec7n t\u1eed.\u201d T\u00e0i li\u1ec7u n\u00e0y kh\u00f4ng ch\u1ec9 l\u00e0 h\u01b0\u1edbng d\u1eabn; n\u00f3 l\u00e0 m\u1ed9t khung k\u1ef9 thu\u1eadt cung c\u1ea5p c\u00e1c ti\u00eau ch\u00ed kh\u00e1ch quan, minh h\u1ecda b\u1eb1ng h\u00ecnh \u1ea3nh cho m\u1ecdi \u0111\u1eb7c \u0111i\u1ec3m c\u00f3 th\u1ec3 c\u00f3 tr\u00ean b\u1ed9 l\u1eafp r\u00e1p \u0111i\u1ec7n t\u1eed. N\u00f3 ph\u00e2n lo\u1ea1i t\u1eebng \u0111\u1eb7c \u0111i\u1ec3m th\u00e0nh m\u1ed9t trong ba lo\u1ea1i:<\/p>\n<ul>\n<li>L\u1edbp 1 (Chung): D\u00e0nh cho c\u00e1c s\u1ea3n ph\u1ea9m ti\u00eau d\u00f9ng, n\u01a1i y\u00eau c\u1ea7u ch\u00ednh l\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a b\u1ed9 l\u1eafp r\u00e1p ho\u00e0n ch\u1ec9nh.<\/li>\n<li>L\u1edbp 2 (D\u1ecbch v\u1ee5 chuy\u00ean d\u1ee5ng): D\u00e0nh cho c\u00e1c s\u1ea3n ph\u1ea9m y\u00eau c\u1ea7u hi\u1ec7u su\u1ea5t li\u00ean t\u1ee5c v\u00e0 tu\u1ed5i th\u1ecd k\u00e9o d\u00e0i, n\u01a1i d\u1ecbch v\u1ee5 kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n l\u00e0 mong mu\u1ed1n nh\u01b0ng kh\u00f4ng b\u1eaft bu\u1ed9c.<\/li>\n<li>L\u1edbp 3 (Hi\u1ec7u su\u1ea5t cao\/M\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t): D\u00e0nh cho c\u00e1c s\u1ea3n ph\u1ea9m y\u00eau c\u1ea7u hi\u1ec7u su\u1ea5t cao li\u00ean t\u1ee5c ho\u1eb7c theo y\u00eau c\u1ea7u, v\u00e0 th\u1eddi gian ch\u1ebft kh\u00f4ng th\u1ec3 ch\u1ea5p nh\u1eadn (v\u00ed d\u1ee5, h\u1ed7 tr\u1ee3 s\u1ef1 s\u1ed1ng, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5).<\/li>\n<\/ul>\n<p>Khung n\u00e0y lo\u1ea1i b\u1ecf s\u1ef1 kh\u00f4ng ch\u1eafc ch\u1eafn. \u0110\u1ed1i v\u1edbi m\u1ed7i m\u1ed1i h\u00e0n, ti\u00eau chu\u1ea9n cung c\u1ea5p c\u00e1c ti\u00eau ch\u00ed c\u1ee5 th\u1ec3, \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c cho bi\u1ebft c\u00e1i g\u00ec \u0111\u01b0\u1ee3c coi l\u00e0 ho\u00e0n h\u1ea3o (M\u1ee5c ti\u00eau), ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c nh\u01b0ng kh\u00f4ng l\u00fd t\u01b0\u1edfng (Ch\u1ec9 s\u1ed1 qu\u00e1 tr\u00ecnh), ho\u1eb7c l\u00e0 L\u1ed7i.<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"144\">Ti\u00eau ch\u00ed IPC-A-610 (M\u1ed1i h\u00e0n \u0111i\u1ec7n tr\u1edf chip)<\/td>\n<td width=\"144\">L\u1edbp 1 (Chung)<\/td>\n<td width=\"144\">L\u1edbp 2 (D\u1ecbch v\u1ee5 chuy\u00ean d\u1ee5ng)<\/td>\n<td width=\"144\">L\u1edbp 3 (Hi\u1ec7u su\u1ea5t cao\/M\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t)<\/td>\n<\/tr>\n<tr>\n<td width=\"144\"><strong>Chi\u1ec1u d\u00e0i m\u1ed1i h\u00e0n b\u00ean (T\u1ed1i thi\u1ec3u)<\/strong><\/td>\n<td width=\"144\">H\u00e0n ch\u00ec nh\u00ecn th\u1ea5y r\u00f5<\/td>\n<td width=\"144\">50% chi\u1ec1u d\u00e0i k\u1ebft th\u00fac ho\u1eb7c 0.5mm<\/td>\n<td width=\"144\">75% chi\u1ec1u d\u00e0i k\u1ebft th\u00fac<\/td>\n<\/tr>\n<tr>\n<td width=\"144\"><strong>Ch\u1ed3ng ch\u00e9o cu\u1ed1i (T\u1ed1i thi\u1ec3u)<\/strong><\/td>\n<td width=\"144\">M\u1ed9t s\u1ed1 ch\u1ed3ng ch\u00e9o cu\u1ed1i nh\u00ecn th\u1ea5y r\u00f5<\/td>\n<td width=\"144\">M\u1ed9t s\u1ed1 ch\u1ed3ng ch\u00e9o cu\u1ed1i nh\u00ecn th\u1ea5y r\u00f5<\/td>\n<td width=\"144\">Chi\u1ec1u r\u1ed9ng c\u1ee7a ph\u1ea7n k\u1ebft th\u00fac \u0111\u01b0\u1ee3c l\u00e0m \u01b0\u1edbt<\/td>\n<\/tr>\n<tr>\n<td width=\"144\"><strong>Chi\u1ec1u cao m\u1ed1i h\u00e0n (T\u1ed1i \u0111a)<\/strong><\/td>\n<td width=\"144\">C\u00f3 th\u1ec3 m\u1edf r\u1ed9ng l\u00ean tr\u00ean ph\u1ea7n k\u1ebft th\u00fac<\/td>\n<td width=\"144\">C\u00f3 th\u1ec3 m\u1edf r\u1ed9ng l\u00ean tr\u00ean ph\u1ea7n k\u1ebft th\u00fac<\/td>\n<td width=\"144\">Kh\u00f4ng th\u1ec3 m\u1edf r\u1ed9ng l\u00ean tr\u00ean th\u00e2n linh ki\u1ec7n<\/td>\n<\/tr>\n<tr>\n<td width=\"144\"><strong>L\u00e0m \u01b0\u1edbt<\/strong><\/td>\n<td width=\"144\">B\u1eb1ng ch\u1ee9ng v\u1ec1 vi\u1ec7c l\u00e0m \u01b0\u1edbt tr\u00ean ph\u1ea7n k\u1ebft th\u00fac<\/td>\n<td width=\"144\">L\u00e0m \u01b0\u1edbt t\u1ed1t tr\u00ean ph\u1ea7n k\u1ebft th\u00fac<\/td>\n<td width=\"144\">M\u1ed1i h\u00e0n h\u00ecnh th\u00e0nh t\u1ed1t, l\u00f5m v\u00e0o<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Khung th\u1ef1c thi th\u1ef1c t\u1ebf<\/h2>\n<p>Vi\u1ec7c d\u1ecbch ki\u1ebfn th\u1ee9c k\u1ef9 thu\u1eadt th\u00e0nh chi\u1ebfn l\u01b0\u1ee3c th\u00e0nh c\u00f4ng tr\u00ean th\u1ef1c \u0111\u1ecba \u0111\u00f2i h\u1ecfi m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p c\u00f3 c\u1ea5u tr\u00fac. L\u1ef1a ch\u1ecdn v\u00e0 tri\u1ec3n khai c\u00f4ng ngh\u1ec7 ki\u1ec3m tra l\u00e0 m\u1ed9t quy\u1ebft \u0111\u1ecbnh k\u1ef9 thu\u1eadt v\u00e0 kinh doanh quan tr\u1ecdng c\u1ea7n \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn b\u1edfi m\u1ed9t khung d\u1eef li\u1ec7u r\u00f5 r\u00e0ng, d\u1ef1a tr\u00ean d\u1eef li\u1ec7u.<\/p>\n<h3>B\u01b0\u1edbc 1: X\u00e1c \u0111\u1ecbnh y\u00eau c\u1ea7u<\/h3>\n<p>B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean l\u00e0 ph\u00e2n t\u00edch k\u1ef9 l\u01b0\u1ee1ng v\u1ec1 s\u1ea3n ph\u1ea9m v\u00e0 m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t. C\u00f4ng ngh\u1ec7 \u201ct\u1ed1t nh\u1ea5t\u201d kh\u00f4ng t\u1ed3n t\u1ea1i trong m\u1ed9t m\u00f4i tr\u01b0\u1eddng tr\u1ed1ng r\u1ed7ng; n\u00f3 l\u00e0 c\u00f4ng ngh\u1ec7 ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c nhu c\u1ea7u c\u1ee5 th\u1ec3. C\u00e1c bi\u1ebfn ch\u00ednh c\u1ea7n x\u00e1c \u0111\u1ecbnh bao g\u1ed3m:<\/p>\n<ul>\n<li>\u0110\u1ed9 ph\u1ee9c t\u1ea1p l\u1eafp r\u00e1p: M\u1eadt \u0111\u1ed9 linh ki\u1ec7n l\u00e0 bao nhi\u00eau? K\u00edch th\u01b0\u1edbc linh ki\u1ec7n nh\u1ecf nh\u1ea5t l\u00e0 g\u00ec (v\u00ed d\u1ee5, 0201, 01005)? Vi\u1ec7c l\u1eafp r\u00e1p c\u00f3 s\u1eed d\u1ee5ng c\u00e1c g\u00f3i ph\u1ee9c t\u1ea1p, k\u1ebft th\u00fac \u1edf ph\u00eda d\u01b0\u1edbi nh\u01b0 BGAs, QFNs, ho\u1eb7c LGAs y\u00eau c\u1ea7u X-quang kh\u00f4ng?<\/li>\n<li>Kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 pha tr\u1ed9n s\u1ea3n xu\u1ea5t: \u0110\u00e2y c\u00f3 ph\u1ea3i l\u00e0 m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn, pha tr\u1ed9n th\u1ea5p (nh\u01b0 \u0111i\u1ec7n t\u1eed \u00f4 t\u00f4) n\u01a1i t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd l\u00e0 quan tr\u1ecdng nh\u1ea5t? Hay l\u00e0 m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t s\u1ed1 l\u01b0\u1ee3ng th\u1ea5p, pha tr\u1ed9n cao (nh\u01b0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 ho\u1eb7c gia c\u00f4ng theo h\u1ee3p \u0111\u1ed3ng) n\u01a1i linh ho\u1ea1t l\u1eadp tr\u00ecnh v\u00e0 ph\u1ea1m vi ph\u00e1t hi\u1ec7n l\u1ed7i r\u1ed9ng h\u01a1n quan tr\u1ecdng h\u01a1n?<\/li>\n<li>T\u00ednh ch\u1ea5t quan tr\u1ecdng v\u00e0 chi ph\u00ed c\u1ee7a s\u1ef1 c\u1ed1: L\u1edbp IPC c\u1ee7a s\u1ea3n ph\u1ea9m l\u00e0 g\u00ec? M\u1ed9t thi\u1ebft b\u1ecb y t\u1ebf thu\u1ed9c l\u1edbp IPC 3 y\u00eau c\u1ea7u chi\u1ebfn l\u01b0\u1ee3c ki\u1ec3m tra nghi\u00eam ng\u1eb7t h\u01a1n nhi\u1ec1u, c\u00f3 th\u1ec3 bao g\u1ed3m X-quang 3D AXI 100%, so v\u1edbi \u0111\u1ed3 ch\u01a1i ti\u00eau d\u00f9ng thu\u1ed9c l\u1edbp IPC 1.<\/li>\n<li>Nh\u1eefng \u0111i\u1ec3m y\u1ebfu trong quy tr\u00ecnh \u0111\u00e3 bi\u1ebft: Ph\u00e2n t\u00edch d\u1eef li\u1ec7u ch\u1ea5t l\u01b0\u1ee3ng hi\u1ec7n c\u00f3. C\u00e1c l\u1ed7i ph\u1ed5 bi\u1ebfn nh\u1ea5t li\u00ean quan \u0111\u1ebfn h\u1ed3 d\u1ea7u h\u00e0n (c\u1ea7n SPI), \u0111\u1eb7t linh ki\u1ec7n (c\u1ea7n AOI), ho\u1eb7c c\u00e1c m\u1ed1i h\u00e0n \u1ea9n (c\u1ea7n AXI)? T\u1eadp trung \u0111\u1ea7u t\u01b0 ki\u1ec3m tra v\u00e0o n\u01a1i c\u00f3 v\u1ea5n \u0111\u1ec1.<\/li>\n<\/ul>\n<h3>B\u01b0\u1edbc 2: \u0110\u00e1nh gi\u00e1 C\u00f4ng ngh\u1ec7<\/h3>\n<p>V\u1edbi y\u00eau c\u1ea7u r\u00f5 r\u00e0ng, c\u00e1c c\u00f4ng ngh\u1ec7 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c so s\u00e1nh kh\u00e1ch quan b\u1eb1ng ma tr\u1eadn quy\u1ebft \u0111\u1ecbnh. C\u00f4ng c\u1ee5 n\u00e0y gi\u00fap h\u00ecnh dung c\u00e1c s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c nhau v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c nhu c\u1ea7u \u0111\u00e3 x\u00e1c \u0111\u1ecbnh.<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"96\">Th\u00f4ng s\u1ed1<\/td>\n<td width=\"96\">Ki\u1ec3m tra Th\u1ee7 c\u00f4ng<\/td>\n<td width=\"96\">2D AOI<\/td>\n<td width=\"96\">3D AOI<\/td>\n<td width=\"96\">SPI 3D<\/td>\n<td width=\"96\">AXI 3D (CT)<\/td>\n<\/tr>\n<tr>\n<td width=\"96\"><strong>Ph\u1ee7 \u0110\u1ecbnh l\u1ed7i<\/strong><\/td>\n<td width=\"96\">R\u1ea5t linh ho\u1ea1t nh\u01b0ng ch\u1ee7 quan<\/td>\n<td width=\"96\">Hi\u1ec7n di\u1ec7n, \u0110\u1ed9 ph\u00e2n c\u1ef1c, OCR, Ch\u1eadp m\u1ea1ch<\/td>\n<td width=\"96\">T\u1ea5t c\u1ea3 l\u1ed7i 2D + D\u00e2y d\u1eabn n\u00e2ng l\u00ean, \u0110\u1ed9 ph\u1eb3ng<\/td>\n<td width=\"96\">Kh\u1ed1i l\u01b0\u1ee3ng, Di\u1ec7n t\u00edch, Chi\u1ec1u cao, Sai l\u1ec7ch c\u1ee7a B\u1ed9t d\u00e1n<\/td>\n<td width=\"96\">C\u00e1c m\u1ed1i n\u1ed1i \u1ea9n (BGA), Kho\u1ea3ng tr\u1ed1ng, \u0110\u1ea7y \u1ed1ng barrel<\/td>\n<\/tr>\n<tr>\n<td width=\"96\"><strong>Th\u00f4ng l\u01b0\u1ee3ng<\/strong><\/td>\n<td width=\"96\">R\u1ea5t th\u1ea5p<\/td>\n<td width=\"96\">Cao<\/td>\n<td width=\"96\">Trung cao<\/td>\n<td width=\"96\">Cao<\/td>\n<td width=\"96\">Th\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td width=\"96\"><strong>L\u1eb7p l\u1ea1i<\/strong><\/td>\n<td width=\"96\">Th\u1ea5p<\/td>\n<td width=\"96\">Cao<\/td>\n<td width=\"96\">R\u1ea5t cao<\/td>\n<td width=\"96\">R\u1ea5t cao<\/td>\n<td width=\"96\">R\u1ea5t cao<\/td>\n<\/tr>\n<tr>\n<td width=\"96\"><strong>Chi ph\u00ed V\u1ed1n (CapEx)<\/strong><\/td>\n<td width=\"96\">R\u1ea5t th\u1ea5p<\/td>\n<td width=\"96\">Th\u1ea5p<\/td>\n<td width=\"96\">Trung b\u00ecnh<\/td>\n<td width=\"96\">Trung b\u00ecnh<\/td>\n<td width=\"96\">R\u1ea5t cao<\/td>\n<\/tr>\n<tr>\n<td width=\"96\"><strong>\u0110\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a L\u1eadp tr\u00ecnh<\/strong><\/td>\n<td width=\"96\">Kh\u00f4ng \u00e1p d\u1ee5ng (\u0110\u00e0o t\u1ea1o)<\/td>\n<td width=\"96\">Th\u1ea5p-Trung b\u00ecnh<\/td>\n<td width=\"96\">Trung b\u00ecnh<\/td>\n<td width=\"96\">Th\u1ea5p-Trung b\u00ecnh<\/td>\n<td width=\"96\">Cao<\/td>\n<\/tr>\n<tr>\n<td width=\"96\"><strong>T\u1ef7 l\u1ec7 g\u1ecdi sai \u0111i\u1ec3n h\u00ecnh<\/strong><\/td>\n<td width=\"96\">Kh\u00f4ng \u00e1p d\u1ee5ng (Ch\u1ee7 quan)<\/td>\n<td width=\"96\">Trung cao<\/td>\n<td width=\"96\">Th\u1ea5p-Trung b\u00ecnh<\/td>\n<td width=\"96\">Th\u1ea5p<\/td>\n<td width=\"96\">Th\u1ea5p<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>B\u01b0\u1edbc 3: T\u00edch h\u1ee3p v\u00e0 D\u1eef li\u1ec7u<\/h3>\n<p>B\u01b0\u1edbc cu\u1ed1i c\u00f9ng l\u00e0 l\u1eadp k\u1ebf ho\u1ea1ch t\u00edch h\u1ee3p v\u1eadt l\u00fd v\u00e0 k\u1ef9 thu\u1eadt s\u1ed1 c\u1ee7a c\u00e1c c\u00f4ng ngh\u1ec7 \u0111\u00e3 ch\u1ecdn v\u00e0o d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t. V\u1ecb tr\u00ed chi\u1ebfn l\u01b0\u1ee3c c\u1ee7a t\u1eebng m\u00e1y m\u00f3c l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh hi\u1ec7u qu\u1ea3.<\/p>\n<ul>\n<li>3D SPI lu\u00f4n \u0111\u01b0\u1ee3c \u0111\u1eb7t ngay sau m\u00e1y in paste h\u00e0n. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p ph\u1ea3n h\u1ed3i ngay l\u1eadp t\u1ee9c t\u1edbi b\u01b0\u1edbc quan tr\u1ecdng nh\u1ea5t c\u1ee7a qu\u00e1 tr\u00ecnh.<\/li>\n<li>3D AOI th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t ngay sau l\u00f2 nung ch\u1ea3y \u0111\u1ec3 cung c\u1ea5p ki\u1ec3m tra to\u00e0n di\u1ec7n v\u1ec1 v\u1ecb tr\u00ed linh ki\u1ec7n v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng m\u1ed1i h\u00e0n cu\u1ed1i c\u00f9ng. \u0110\u1ed1i v\u1edbi c\u00e1c b\u1ea3ng m\u1ea1ch ph\u1ee9c t\u1ea1p, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng AOI tr\u01b0\u1edbc khi nung ch\u1ea3y \u0111\u1ec3 ki\u1ec3m tra v\u1ecb tr\u00ed tr\u01b0\u1edbc khi linh ki\u1ec7n \u0111\u01b0\u1ee3c h\u00e0n c\u1ed1 \u0111\u1ecbnh.<\/li>\n<li>3D AXI linh ho\u1ea1t nh\u1ea5t. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u1ef1c tuy\u1ebfn sau qu\u00e1 tr\u00ecnh nung ch\u1ea3y \u0111\u1ec3 ki\u1ec3m tra c\u00e1c b\u1ed9 ph\u1eadn quan tr\u1ecdng. Th\u01b0\u1eddng th\u00ec, n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t c\u00f4ng c\u1ee5 ngo\u1ea1i tuy\u1ebfn \u0111\u1ec3 ki\u1ec3m tra quy tr\u00ecnh, ki\u1ec3m tra h\u00e0ng lo\u1ea1t c\u00e1c s\u1ea3n ph\u1ea9m gi\u00e1 tr\u1ecb cao v\u00e0 ph\u00e2n t\u00edch l\u1ed7i s\u00e2u.<\/li>\n<\/ul>\n<p>V\u01b0\u1ee3t ra ngo\u00e0i v\u1ecb tr\u00ed v\u1eadt l\u00fd, s\u1ee9c m\u1ea1nh th\u1ef1c s\u1ef1 n\u1eb1m \u1edf t\u00edch h\u1ee3p d\u1eef li\u1ec7u. \u0110\u00e2y l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i c\u1ee7a C\u00f4ng nghi\u1ec7p 4.0. M\u1ee5c ti\u00eau l\u00e0 t\u1ea1o ra v\u00f2ng ph\u1ea3n h\u1ed3i v\u00e0 v\u00f2ng ph\u1ea3n h\u1ed3i d\u1ef1 \u0111o\u00e1n. D\u1eef li\u1ec7u t\u1eeb SPI, AOI v\u00e0 AXI kh\u00f4ng n\u00ean t\u1ed3n t\u1ea1i trong c\u00e1c silo ri\u00eang bi\u1ec7t. Ch\u00fang ph\u1ea3i \u0111\u01b0\u1ee3c li\u00ean k\u1ebft trong H\u1ec7 th\u1ed1ng Th\u1ef1c thi S\u1ea3n xu\u1ea5t (MES) ho\u1eb7c h\u1ec7 th\u1ed1ng th\u00f4ng tin nh\u00e0 m\u00e1y trung t\u00e2m. B\u1eb1ng c\u00e1ch li\u00ean k\u1ebft \u0111o l\u01b0\u1eddng th\u1ec3 t\u00edch paste h\u00e0n t\u1eeb SPI v\u1edbi m\u1ed9t l\u1ed7i m\u1ed1i h\u00e0n c\u1ee5 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n b\u1edfi AOI, k\u1ef9 s\u01b0 c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp m\u1ed1i quan h\u1ec7 nguy\u00ean nh\u00e2n v\u00e0 h\u1eadu qu\u1ea3 tr\u1ef1c ti\u1ebfp, cho ph\u00e9p ph\u00e2n t\u00edch nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 th\u1ef1c s\u1ef1 v\u00e0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng d\u1ef1 \u0111o\u00e1n.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-2906\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-hwhJNXXSaFk.jpg\" alt=\"\u1ea2nh \u0111en tr\u1eafng c\u1ee7a ng\u01b0\u1eddi \u0111\u00e0n \u00f4ng m\u1eb7c \u00e1o kho\u00e1c \u0111en \u0111\u1ee9ng tr\u00ean t\u00e0u\" width=\"1600\" height=\"1056\" srcset=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-hwhJNXXSaFk.jpg 1600w, https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-hwhJNXXSaFk-300x198.jpg 300w, https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-hwhJNXXSaFk-768x507.jpg 768w, https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-hwhJNXXSaFk-1536x1014.jpg 1536w, https:\/\/productionscrews.com\/wp-content\/uploads\/2025\/10\/unsplash-hwhJNXXSaFk-18x12.jpg 18w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/p>\n<h2>T\u01b0\u01a1ng lai c\u1ee7a Ki\u1ec3m tra<\/h2>\n<p>L\u0129nh v\u1ef1c ki\u1ec3m tra l\u1eafp r\u00e1p li\u00ean t\u1ee5c ph\u00e1t tri\u1ec3n, \u0111\u01b0\u1ee3c th\u00fac \u0111\u1ea9y b\u1edfi \u00e1p l\u1ef1c thu nh\u1ecf linh ki\u1ec7n v\u00e0 xu h\u01b0\u1edbng h\u01b0\u1edbng t\u1edbi nh\u00e0 m\u00e1y \u201cth\u00f4ng minh\u201d ho\u00e0n to\u00e0n t\u1ef1 \u0111\u1ed9ng. Th\u1ebf h\u1ec7 c\u00f4ng ngh\u1ec7 ki\u1ec3m tra ti\u1ebfp theo s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u00ecnh b\u1edfi s\u1ef1 t\u00edch h\u1ee3p tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o v\u00e0 c\u00e1c k\u1ef9 thu\u1eadt h\u00ecnh \u1ea3nh m\u1edbi.<\/p>\n<h3>Tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o v\u00e0 H\u1ecdc m\u00e1y<\/h3>\n<p>Ti\u1ebfn b\u1ed9 \u0111\u00e1ng k\u1ec3 trong ng\u1eafn h\u1ea1n l\u00e0 s\u1ef1 chuy\u1ec3n \u0111\u1ed5i t\u1eeb l\u1eadp tr\u00ecnh d\u1ef1a tr\u00ean quy t\u1eafc truy\u1ec1n th\u1ed1ng sang h\u1ecdc s\u00e2u d\u1ef1a tr\u00ean AI. Trong h\u1ec7 th\u1ed1ng th\u00f4ng th\u01b0\u1eddng, k\u1ef9 s\u01b0 ph\u1ea3i t\u1ef1 vi\u1ebft b\u1ed9 quy t\u1eafc cho t\u1eebng linh ki\u1ec7n (v\u00ed d\u1ee5, \u201cn\u1ebfu \u0111\u1ed9 s\u00e1ng c\u1ee7a pixel nh\u1ecf h\u01a1n X v\u00e0 di\u1ec7n t\u00edch l\u1edbn h\u01a1n Y, \u0111\u00e1nh d\u1ea5u l\u00e0 l\u1ed7i\u201d). \u0110i\u1ec1u n\u00e0y t\u1ed1n th\u1eddi gian v\u00e0 l\u00e0 ngu\u1ed3n ch\u00ednh g\u00e2y ra c\u00e1c c\u1ea3nh b\u00e1o sai.<\/p>\n<p>V\u1edbi h\u1ecdc s\u00e2u, th\u01b0\u1eddng s\u1eed d\u1ee5ng m\u00f4 h\u00ecnh g\u1ecdi l\u00e0 M\u1ea1ng N\u01a1-ron T\u00edch ch\u1eadp (CNN), c\u00e1ch ti\u1ebfp c\u1eadn thay \u0111\u1ed5i. Thay v\u00ec \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh, h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c hu\u1ea5n luy\u1ec7n. C\u00e1c k\u1ef9 s\u01b0 cung c\u1ea5p h\u00e0ng ngh\u00ecn h\u00ecnh \u1ea3nh m\u1eabu \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n l\u00e0 \u201ct\u1ed1t\u201d v\u00e0 \u201cx\u1ea5u\u201d. M\u1ea1ng h\u1ecdc, t\u1ef1 n\u00f3, c\u00e1c m\u1eabu v\u00e0 k\u1ebft c\u1ea5u tinh vi, ph\u1ee9c t\u1ea1p gi\u00fap ph\u00e2n bi\u1ec7t m\u1ed1i h\u00e0n t\u1ed1t v\u00e0 l\u1ed7i. \u0110i\u1ec1u n\u00e0y gi\u1ea3m \u0111\u00e1ng k\u1ec3 th\u1eddi gian l\u1eadp tr\u00ecnh v\u00e0 quan tr\u1ecdng h\u01a1n, gi\u1ea3m t\u1ef7 l\u1ec7 c\u1ea3nh b\u00e1o sai, v\u00ec AI c\u00f3 th\u1ec3 x\u1eed l\u00fd t\u1ed1t c\u00e1c bi\u1ebfn th\u1ec3 v\u1ec1 h\u00ecnh th\u1ee9c m\u00e0 thu\u1eadt to\u00e1n d\u1ef1a tr\u00ean quy t\u1eafc c\u00f3 th\u1ec3 b\u1ecb l\u1eeba. B\u01b0\u1edbc ti\u1ebfp theo l\u00e0 ph\u00e2n t\u00edch d\u1ef1 \u0111o\u00e1n, n\u01a1i c\u00e1c thu\u1eadt to\u00e1n AI ph\u00e2n t\u00edch d\u1eef li\u1ec7u ki\u1ec3m tra l\u1ecbch s\u1eed c\u1ee7a to\u00e0n b\u1ed9 d\u00e2y chuy\u1ec1n \u0111\u1ec3 d\u1ef1 \u0111o\u00e1n khi n\u00e0o m\u00e1y m\u00f3c, nh\u01b0 v\u00f2i phun pick-and-place, b\u1eaft \u0111\u1ea7u m\u00f2n v\u00e0 s\u1eafp g\u00e2y ra l\u1ed7i, t\u1eeb \u0111\u00f3 cho ph\u00e9p b\u1ea3o tr\u00ec ch\u1ee7 \u0111\u1ed9ng.<\/p>\n<h3>C\u00e1c c\u00f4ng ngh\u1ec7 ki\u1ec3m tra m\u1edbi n\u1ed5i<\/h3>\n<p>Nh\u00ecn xa h\u01a1n, c\u00e1c c\u00f4ng ngh\u1ec7 c\u1ea3m bi\u1ebfn d\u1ef1a tr\u00ean v\u1eadt l\u00fd m\u1edbi \u0111ang tr\u00ean \u0111\u01b0\u1eddng ph\u00e1t tri\u1ec3n, s\u1eb5n s\u00e0ng gi\u1ea3i quy\u1ebft c\u00e1c th\u00e1ch th\u1ee9c ki\u1ec3m tra m\u00e0 ngay c\u1ea3 c\u00e1c h\u1ec7 th\u1ed1ng hi\u1ec7n t\u1ea1i c\u0169ng g\u1eb7p kh\u00f3 kh\u0103n.<\/p>\n<ul>\n<li>H\u00ecnh \u1ea3nh ph\u1ed5 ph\u1ed5 c\u01b0\u1eddng \u0111\u1ed9 cao: Trong khi AOI ti\u00eau chu\u1ea9n s\u1eed d\u1ee5ng ba k\u00eanh m\u00e0u (\u0110\u1ecf, Xanh, Xanh l\u00e1), h\u1ec7 th\u1ed1ng hyperspectral ch\u1ee5p h\u00e0ng tr\u0103m d\u1ea3i quang ph\u1ed5 h\u1eb9p. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p h\u1ec7 th\u1ed1ng ph\u00e2n t\u00edch v\u01b0\u1ee3t ra ngo\u00e0i h\u00ecnh d\u1ea1ng v\u00e0 m\u00e0u s\u1eafc \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh th\u00e0nh ph\u1ea7n v\u1eadt li\u1ec7u c\u1ee7a v\u1eadt th\u1ec3 quan s\u00e1t. C\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n \u00f4 nhi\u1ec5m tinh vi tr\u00ean PCB ho\u1eb7c x\u00e1c nh\u1eadn l\u1edbp ph\u1ee7 ph\u00f9 h\u1ee3p \u0111\u00e3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng d\u1ef1a tr\u00ean \u0111\u1eb7c tr\u01b0ng quang ph\u1ed5 \u0111\u1ed9c \u0111\u00e1o c\u1ee7a n\u00f3.<\/li>\n<li>H\u00ecnh \u1ea3nh Terahertz (THz): N\u1eb1m tr\u00ean ph\u1ed5 \u0111i\u1ec7n t\u1eeb gi\u1eefa s\u00f3ng vi ba v\u00e0 h\u1ed3ng ngo\u1ea1i, b\u1ee9c x\u1ea1 Terahertz kh\u00f4ng ion h\u00f3a (kh\u00e1c X-quang) v\u00e0 c\u00f3 th\u1ec3 xuy\u00ean qua nhi\u1ec1u v\u1eadt li\u1ec7u \u0111i\u1ec7n m\u00f4i nh\u01b0 nh\u1ef1a, g\u1ed1m s\u1ee9 v\u00e0 composite. \u0110i\u1ec1u n\u00e0y h\u1ee9a h\u1eb9n l\u1edbn trong vi\u1ec7c ki\u1ec3m tra c\u00e1c m\u00f4-\u0111un \u0111i\u1ec7n t\u1eed \u0111\u00f3ng g\u00f3i ho\u1eb7c c\u00e1c thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i 3D, cung c\u1ea5p th\u00f4ng tin c\u1ea5u tr\u00fac b\u00ean trong m\u00e0 kh\u00f4ng c\u1ea7n h\u1ea1 t\u1ea7ng an to\u00e0n v\u00e0 tr\u00e1nh g\u00e2y h\u01b0 h\u1ecfng linh ki\u1ec7n nh\u01b0 X-quang.<\/li>\n<\/ul>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>\u0110\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c m\u1ee9c ch\u1ea5t l\u01b0\u1ee3ng cao nh\u1ea5t trong l\u1eafp r\u00e1p hi\u1ec7n \u0111\u1ea1i l\u00e0 m\u1ed9t ng\u00e0nh k\u1ef9 thu\u1eadt ph\u1ee9c t\u1ea1p. N\u00f3 b\u1eaft \u0111\u1ea7u t\u1eeb vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c nguy\u00ean l\u00fd v\u1eadt l\u00fd v\u00e0 to\u00e1n h\u1ecdc n\u1ec1n t\u1ea3ng \u0111i\u1ec1u khi\u1ec3n c\u00e1ch ch\u00fang ta nh\u00ecn v\u00e0 \u0111o l\u01b0\u1eddng l\u1ed7i. Hi\u1ec3u bi\u1ebft n\u00e0y cung c\u1ea5p b\u1ed1i c\u1ea3nh c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u1ef1a ch\u1ecdn, \u0111\u00e1nh gi\u00e1 v\u00e0 tri\u1ec3n khai c\u00e1c c\u00f4ng ngh\u1ec7 m\u1ea1nh m\u1ebd c\u1ee7a AOI, AXI v\u00e0 SPI m\u1ed9t c\u00e1ch ph\u00f9 h\u1ee3p. Tuy nhi\u00ean, c\u00e1c m\u00e1y m\u00f3c ch\u1ec9 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a gi\u1ea3i ph\u00e1p. Ki\u1ec3m so\u00e1t quy tr\u00ecnh th\u1ef1c s\u1ef1 \u0111\u1ea1t \u0111\u01b0\u1ee3c khi c\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p th\u00e0nh m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c d\u1ef1a tr\u00ean d\u1eef li\u1ec7u, s\u1eed d\u1ee5ng th\u00f4ng tin ch\u00fang t\u1ea1o ra kh\u00f4ng ch\u1ec9 \u0111\u1ec3 ph\u00e1t hi\u1ec7n l\u1ed7i m\u00e0 c\u00f2n \u0111\u1ec3 ng\u0103n ch\u1eb7n ch\u00fang. Khi AI v\u00e0 h\u1ecdc m\u00e1y ng\u00e0y c\u00e0ng ph\u1ed5 bi\u1ebfn, kh\u1ea3 n\u0103ng n\u00e0y s\u1ebd ch\u1ec9 m\u1ea1nh h\u01a1n. Cu\u1ed1i c\u00f9ng, \u0111\u1ea1t t\u1ef7 l\u1ec7 l\u1ed7i g\u1ea7n nh\u01b0 b\u1eb1ng kh\u00f4ng kh\u00f4ng ph\u1ea3i l\u00e0 may m\u1eafn; \u0111\u00f3 l\u00e0 k\u1ebft qu\u1ea3 tr\u1ef1c ti\u1ebfp c\u1ee7a m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p c\u00f3 ch\u1ee7 \u0111\u00edch, d\u1ef1a tr\u00ean ki\u1ebfn th\u1ee9c k\u1ef9 thu\u1eadt v\u00e0 to\u00e0n di\u1ec7n v\u1ec1 ki\u1ec3m tra v\u00e0 ki\u1ec3m so\u00e1t quy tr\u00ecnh.<\/p>\n<ul>\n<li class=\"whitespace-normal break-words\"><strong><a class=\"underline\" href=\"https:\/\/www.asminternational.org\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.asminternational.org\/<\/a><\/strong> Hi\u1ec7p h\u1ed9i Th\u00f4ng tin V\u1eadt li\u1ec7u ASM Qu\u1ed1c t\u1ebf<\/li>\n<li class=\"whitespace-normal break-words\"><strong><a class=\"underline\" href=\"https:\/\/www.mdpi.com\/journal\/metals\" target=\"_blank\" rel=\"noopener\">https:\/\/www.mdpi.com\/journal\/metals<\/a><\/strong> T\u1ea1p ch\u00ed Kim lo\u1ea1i \u2013 Nghi\u00ean c\u1ee9u Gia c\u00f4ng Kim lo\u1ea1i<\/li>\n<li class=\"whitespace-normal break-words\"><strong><a class=\"underline\" href=\"https:\/\/www.sciencedirect.com\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.sciencedirect.com\/<\/a><\/strong> ScienceDirect \u2013 Nghi\u00ean c\u1ee9u Gia c\u00f4ng Kim lo\u1ea1i<\/li>\n<li class=\"whitespace-normal break-words\"><strong><a class=\"underline\" href=\"https:\/\/nickelinstitute.org\/\" target=\"_blank\" rel=\"noopener\">https:\/\/nickelinstitute.org\/<\/a><\/strong> Vi\u1ec7n Nickel \u2013 Gia c\u00f4ng l\u1ea1nh th\u00e9p kh\u00f4ng g\u1ec9<\/li>\n<li class=\"whitespace-normal break-words\"><strong><a class=\"underline\" href=\"https:\/\/www.pma.org\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.pma.org\/<\/a><\/strong> Hi\u1ec7p h\u1ed9i Gia c\u00f4ng Kim lo\u1ea1i Ch\u00ednh x\u00e1c<\/li>\n<li class=\"whitespace-normal break-words\"><strong><a class=\"underline\" href=\"https:\/\/indfast.org\/\" target=\"_blank\" rel=\"noopener\">https:\/\/indfast.org\/<\/a><\/strong> Vi\u1ec7n Ph\u1ee5 ki\u1ec7n C\u00f4ng nghi\u1ec7p<\/li>\n<li class=\"whitespace-normal break-words\"><strong><a class=\"underline\" href=\"https:\/\/www.mdpi.com\/journal\/materials\" target=\"_blank\" rel=\"noopener\">https:\/\/www.mdpi.com\/journal\/materials<\/a><\/strong> T\u1ea1p ch\u00ed V\u1eadt li\u1ec7u \u2013 Gia c\u00f4ng Kim lo\u1ea1i v\u00e0 R\u00e8n<\/li>\n<li class=\"whitespace-normal break-words\"><strong><a class=\"underline\" href=\"https:\/\/en.wikipedia.org\/wiki\/Cold_working\" target=\"_blank\" rel=\"noopener\">https:\/\/en.wikipedia.org\/wiki\/Cold_working<\/a><\/strong> Wikipedia \u2013 Gia c\u00f4ng l\u1ea1nh<\/li>\n<li class=\"whitespace-normal break-words\"><strong><a class=\"underline\" href=\"https:\/\/www.tfgusa.com\/resources\/what-is-cold-heading\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.tfgusa.com\/resources\/what-is-cold-heading\/<\/a><\/strong> TFG Vi\u1ec7t Nam \u2013 Cold Heading l\u00e0 g\u00ec<\/li>\n<li class=\"whitespace-normal break-words\"><strong><a class=\"underline\" href=\"https:\/\/www.mwcomponents.com\/process\/cold-forming-technology\" target=\"_blank\" rel=\"noopener\">https:\/\/www.mwcomponents.com\/process\/cold-forming-technology<\/a><\/strong> C\u00e1c th\u00e0nh ph\u1ea7n MW \u2013 Quy tr\u00ecnh Cold-Heading<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>How Modern Assembly Inspection Works: A Complete Guide to Quality Control Introduction In industries where products must work perfectly every time, checking that assemblies are built correctly is extremely important. For critical parts in airplanes, medical devices, or car safety systems, even one tiny flaw\u2014like a weak solder connection, a part in the wrong place, [&hellip;]<\/p>","protected":false},"author":1,"featured_media":2907,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[25],"tags":[],"class_list":["post-2905","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-high-speed-rail-track-fasteners"],"_links":{"self":[{"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/posts\/2905","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/comments?post=2905"}],"version-history":[{"count":2,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/posts\/2905\/revisions"}],"predecessor-version":[{"id":2910,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/posts\/2905\/revisions\/2910"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/media\/2907"}],"wp:attachment":[{"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/media?parent=2905"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/categories?post=2905"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/tags?post=2905"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}