{"id":4567,"date":"2025-12-18T03:28:38","date_gmt":"2025-12-18T03:28:38","guid":{"rendered":"https:\/\/flj-pcb.com\/?p=4567"},"modified":"2025-12-18T03:28:40","modified_gmt":"2025-12-18T03:28:40","slug":"pcb-testing-items-in-pcb-manufacturing","status":"publish","type":"post","link":"https:\/\/flj-pcb.com\/vi\/pcb-testing-items-in-pcb-manufacturing\/","title":{"rendered":"C\u00e1c h\u1ea1ng m\u1ee5c ki\u1ec3m tra PCB trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t PCB"},"content":{"rendered":"<p>B\u1ea3ng m\u1ea1ch in (PCB) l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a ng\u00e0nh \u0111i\u1ec7n t\u1eed hi\u1ec7n \u0111\u1ea1i, t\u1eeb c\u00e1c thi\u1ebft b\u1ecb ti\u00eau d\u00f9ng \u0111\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 quan tr\u1ecdng. Khi c\u00e1c thi\u1ebft b\u1ecb ng\u00e0y c\u00e0ng tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p v\u00e0 nh\u1ecf g\u1ecdn h\u01a1n, m\u1ee9c \u0111\u1ed9 sai s\u00f3t trong quy tr\u00ecnh s\u1ea3n xu\u1ea5t thu h\u1eb9p l\u1ea1i g\u1ea7n nh\u01b0 b\u1eb1ng kh\u00f4ng. \u0110\u00e2y ch\u00ednh l\u00e0 l\u00fac m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t tr\u1edf n\u00ean v\u00f4 c\u00f9ng quan tr\u1ecdng. Vi\u1ec7c ki\u1ec3m tra PCB to\u00e0n di\u1ec7n kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 b\u01b0\u1edbc ki\u1ec3m tra cu\u1ed1i c\u00f9ng; \u0111\u00f3 l\u00e0 m\u1ed9t quy tr\u00ecnh c\u00f3 h\u1ec7 th\u1ed1ng, g\u1ed3m nhi\u1ec1u giai \u0111o\u1ea1n, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 x\u00e1c nh\u1eadn \u00fd \u0111\u1ed3 thi\u1ebft k\u1ebf, \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n \u0111i\u1ec7n v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i. M\u1ed9t b\u1ea3ng m\u1ea1ch b\u1ecb l\u1ed7i c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c thu h\u1ed3i s\u1ea3n ph\u1ea9m t\u1ed1n k\u00e9m, h\u1ecfng h\u00f3c nghi\u00eam tr\u1ecdng v\u00e0 l\u00e0m t\u1ed5n h\u1ea1i danh ti\u1ebfng th\u01b0\u01a1ng hi\u1ec7u, khi\u1ebfn cho m\u1ed9t h\u1ec7 sinh th\u00e1i ki\u1ec3m tra v\u1eefng ch\u1eafc tr\u1edf th\u00e0nh m\u1ed9t kho\u1ea3n \u0111\u1ea7u t\u01b0 kh\u00f4ng th\u1ec3 thi\u1ebfu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1ef1 c\u1ea7n thi\u1ebft c\u1ee7a c\u00e1c b\u1ea3ng m\u1ea1ch in ho\u00e0n h\u1ea3o<\/h3>\n\n\n\n<p>Trong m\u1ed9t th\u1ebf gi\u1edbi k\u1ebft n\u1ed1i ch\u1eb7t ch\u1ebd, hi\u1ec7u su\u1ea5t c\u1ee7a m\u1ed9t b\u1ea3ng m\u1ea1ch in (PCB) c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng. Nhu c\u1ea7u v\u1ec1 c\u00e1c b\u1ea3ng m\u1ea1ch in ho\u00e0n h\u1ea3o xu\u1ea5t ph\u00e1t t\u1eeb k\u1ef3 v\u1ecdng c\u1ee7a ng\u01b0\u1eddi ti\u00eau d\u00f9ng v\u1ec1 \u0111\u1ed9 tin c\u1eady c\u0169ng nh\u01b0 c\u00e1c y\u00eau c\u1ea7u an to\u00e0n nghi\u00eam ng\u1eb7t c\u1ee7a c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 \u00f4 t\u00f4 v\u00e0 y t\u1ebf. Ch\u1ec9 m\u1ed9t khuy\u1ebft t\u1eadt vi m\u00f4 \u2013 nh\u01b0 m\u1ed9t v\u1ebft n\u1ee9t nh\u1ecf tr\u00ean \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ed3ng ho\u1eb7c m\u1ed9t m\u1ed1i h\u00e0n kh\u00f4ng ho\u00e0n h\u1ea3o \u2013 c\u0169ng c\u00f3 th\u1ec3 l\u00e0m suy gi\u1ea3m ch\u1ee9c n\u0103ng c\u1ee7a to\u00e0n b\u1ed9 s\u1ea3n ph\u1ea9m. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra PCB hi\u1ec7u qu\u1ea3 l\u00e0 c\u00e1ch duy nh\u1ea5t \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 lo\u1ea1i b\u1ecf m\u1ed9t c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng nh\u1eefng \u0111i\u1ec3m ti\u1ec1m \u1ea9n g\u00e2y h\u1ecfng h\u00f3c n\u00e0y.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Hi\u1ec3u r\u00f5 t\u1ea7m quan tr\u1ecdng: Chi ph\u00ed do l\u1ed7i g\u00e2y ra v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a \u0111\u1ed9 tin c\u1eady<\/h3>\n\n\n\n<p>Chi ph\u00ed ph\u00e1t sinh t\u1eeb m\u1ed9t l\u1ed7i s\u1ebd t\u0103ng theo c\u1ea5p s\u1ed1 nh\u00e2n khi l\u1ed7i \u0111\u00f3 ti\u1ebfn tri\u1ec3n qua c\u00e1c giai \u0111o\u1ea1n c\u1ee7a quy tr\u00ecnh s\u1ea3n xu\u1ea5t. M\u1ed9t l\u1ed7i thi\u1ebft k\u1ebf \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n tr\u00ean b\u1ea3n v\u1ebd c\u00f3 chi ph\u00ed kh\u1eafc ph\u1ee5c th\u1ea5p. M\u1ed9t l\u1ed7i tr\u00ean b\u1ea3ng m\u1ea1ch tr\u1ea7n s\u1ebd t\u1ed1n k\u00e9m h\u01a1n. M\u1ed9t s\u1ef1 c\u1ed1 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n sau khi c\u00e1c linh ki\u1ec7n \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eafp r\u00e1p (t\u1ea1o th\u00e0nh PCBA) s\u1ebd \u0111\u00f2i h\u1ecfi ph\u1ea3i th\u1ef1c hi\u1ec7n l\u1ea1i c\u00f4ng \u0111o\u1ea1n s\u1ea3n xu\u1ea5t v\u1edbi chi ph\u00ed \u0111\u00e1ng k\u1ec3. T\u1ec7 nh\u1ea5t l\u00e0, m\u1ed9t l\u1ed7i \u0111\u1ebfn tay ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c khi\u1ebfu n\u1ea1i b\u1ea3o h\u00e0nh, thu h\u1ed3i s\u1ea3n ph\u1ea9m v\u00e0 t\u1ed5n h\u1ea1i kh\u00f4ng th\u1ec3 kh\u1eafc ph\u1ee5c \u0111\u1ed1i v\u1edbi ni\u1ec1m tin c\u1ee7a ng\u01b0\u1eddi ti\u00eau d\u00f9ng. Nguy\u00ean t\u1eafc n\u00e0y nh\u1ea5n m\u1ea1nh t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c ki\u1ec3m tra s\u1edbm v\u00e0 th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady t\u1ed1i \u0111a c\u1ee7a s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1ch ti\u1ebfp c\u1eadn chi\u1ebfn l\u01b0\u1ee3c trong ki\u1ec3m tra b\u1ea3ng m\u1ea1ch in (PCB): V\u01b0\u1ee3t ra ngo\u00e0i danh s\u00e1ch ki\u1ec3m tra<\/h3>\n\n\n\n<p>\u0110\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng hi\u1ec7u qu\u1ea3 kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 \u00e1p d\u1ee5ng m\u1ed9t b\u00e0i ki\u1ec3m tra duy nh\u1ea5t, m\u00e0 l\u00e0 vi\u1ec7c tri\u1ec3n khai m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c theo t\u1eebng t\u1ea7ng. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra kh\u00e1c nhau ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c giai \u0111o\u1ea1n s\u1ea3n xu\u1ea5t kh\u00e1c nhau, t\u1eeb b\u1ea3ng m\u1ea1ch tr\u1ea7n cho \u0111\u1ebfn s\u1ea3n ph\u1ea9m \u0111\u00e3 l\u1eafp r\u00e1p ho\u00e0n ch\u1ec9nh v\u00e0 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng. C\u00e1ch ti\u1ebfp c\u1eadn chi\u1ebfn l\u01b0\u1ee3c n\u00e0y gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t PCB ph\u00e1t hi\u1ec7n c\u00e1c lo\u1ea1i l\u1ed7i c\u1ee5 th\u1ec3 c\u00e0ng s\u1edbm v\u00e0 hi\u1ec7u qu\u1ea3 c\u00e0ng t\u1ed1t, t\u1eeb \u0111\u00f3 t\u1ed1i \u0111a h\u00f3a n\u0103ng su\u1ea5t s\u1ea3n xu\u1ea5t v\u00e0 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng cao nh\u1ea5t cho b\u1ea3ng m\u1ea1ch \u0111i\u1ec7n t\u1eed th\u00e0nh ph\u1ea9m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Giai \u0111o\u1ea1n 1: Ki\u1ec3m tra bo m\u1ea1ch tr\u1ea7n \u2013 \u0110\u1ea3m b\u1ea3o n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc<\/h2>\n\n\n\n<p>Tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t b\u1ea5t k\u1ef3 linh ki\u1ec7n \u0111\u1eaft ti\u1ec1n n\u00e0o, b\u1ea3n th\u00e2n t\u1ea5m m\u1ea1ch in (PCB) tr\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra. Giai \u0111o\u1ea1n n\u1ec1n t\u1ea3ng n\u00e0y \u0111\u1ea3m b\u1ea3o c\u1ea5u tr\u00fac \u0111i\u1ec7n v\u00e0 v\u1eadt l\u00fd c\u1ed1t l\u00f5i kh\u00f4ng c\u00f3 khuy\u1ebft t\u1eadt s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ki\u1ec3m tra b\u1eb1ng m\u1eaft th\u01b0\u1eddng v\u00e0 Ki\u1ec3m tra quang h\u1ecdc t\u1ef1 \u0111\u1ed9ng (AOI) \u0111\u1ed1i v\u1edbi b\u1ea3ng m\u1ea1ch tr\u1ea7n<\/h3>\n\n\n\n<p>H\u00e0ng r\u00e0o ph\u00f2ng th\u1ee7 \u0111\u1ea7u ti\u00ean l\u00e0 ki\u1ec3m tra b\u1eb1ng m\u1eaft th\u01b0\u1eddng. C\u00e1c h\u1ec7 th\u1ed1ng Ki\u1ec3m tra Quang h\u1ecdc T\u1ef1 \u0111\u1ed9ng (AOI) s\u1eed d\u1ee5ng camera \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao \u0111\u1ec3 qu\u00e9t b\u1ea3ng m\u1ea1ch nh\u1eb1m ph\u00e1t hi\u1ec7n c\u00e1c l\u1ed7i nh\u01b0 \u0111\u1ed9 r\u1ed9ng \u0111\u01b0\u1eddng m\u1ea1ch kh\u00f4ng \u0111\u00fang, vi ph\u1ea1m kho\u1ea3ng c\u00e1ch, ch\u1eadp m\u1ea1ch ho\u1eb7c c\u00e1c khuy\u1ebft t\u1eadt tr\u00ean l\u1edbp ph\u1ee7 h\u00e0n. Quy tr\u00ecnh t\u1ef1 \u0111\u1ed9ng v\u00e0 nhanh ch\u00f3ng n\u00e0y gi\u00fap th\u1ef1c hi\u1ec7n b\u01b0\u1edbc ki\u1ec3m tra ban \u0111\u1ea7u quan tr\u1ecdng v\u1ec1 t\u00ednh to\u00e0n v\u1eb9n v\u1eadt l\u00fd c\u1ee7a c\u00e1c \u0111\u01b0\u1eddng m\u1ea1ch \u0111\u1ed3ng.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Video v\u1ec1 ki\u1ec3m tra AOI\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/-2E3KCcd8to?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Ki\u1ec3m tra \u0111i\u1ec7n (E-Test): Ki\u1ec3m tra t\u00ednh li\u00ean t\u1ee5c v\u00e0 c\u00e1ch ly c\u1ee7a m\u1ea1ch<\/h3>\n\n\n\n<p>Ki\u1ec3m tra E-Test, hay c\u00f2n g\u1ecdi l\u00e0 ki\u1ec3m tra s\u01a1 \u0111\u1ed3 m\u1ea1ch, gi\u00fap x\u00e1c nh\u1eadn t\u00ednh to\u00e0n v\u1eb9n \u0111i\u1ec7n c\u1ee7a b\u1ea3ng m\u1ea1ch. Ki\u1ec3m tra n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c k\u1ebft n\u1ed1i d\u1ef1 ki\u1ebfn (t\u00ednh li\u00ean t\u1ee5c) \u0111\u1ec1u t\u1ed3n t\u1ea1i v\u00e0 kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 k\u1ebft n\u1ed1i kh\u00f4ng mong mu\u1ed1n (ch\u1eadp m\u1ea1ch) n\u00e0o. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ea7u d\u00f2, h\u1ec7 th\u1ed1ng s\u1ebd ki\u1ec3m tra t\u1eebng \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a trong c\u00e1c t\u1ec7p thi\u1ebft k\u1ebf, nh\u1eb1m \u0111\u1ea3m b\u1ea3o m\u1ea1ch c\u01a1 b\u1ea3n ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c tr\u01b0\u1edbc khi l\u1eafp r\u00e1p.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ki\u1ec3m tra v\u1eadt li\u1ec7u v\u00e0 k\u00edch th\u01b0\u1edbc<\/h3>\n\n\n\n<p>B\u01b0\u1edbc n\u00e0y nh\u1eb1m x\u00e1c nh\u1eadn r\u1eb1ng b\u1ea3ng m\u1ea1ch in (PCB) \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt v\u1ec1 m\u1eb7t v\u1eadt l\u00fd. Qu\u00e1 tr\u00ecnh n\u00e0y bao g\u1ed3m vi\u1ec7c ki\u1ec3m tra \u0111\u1ed9 d\u00e0y c\u1ee7a b\u1ea3ng m\u1ea1ch, lo\u1ea1i v\u1eadt li\u1ec7u (v\u00ed d\u1ee5: FR-4), \u0111\u1ed9 d\u00e0y c\u1ee7a c\u00e1c l\u1edbp \u0111\u1ed3ng v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c v\u1ec1 k\u00edch th\u01b0\u1edbc t\u1ed5ng th\u1ec3. C\u00e1c ki\u1ec3m tra n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea3ng m\u1ea1ch s\u1ebd v\u1eeba v\u1eb7n v\u1edbi v\u1ecf b\u1ea3o v\u1ec7 v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang nh\u01b0 mong \u0111\u1ee3i khi ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 v\u00e0 l\u1ef1c c\u01a1 h\u1ecdc.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Giai \u0111o\u1ea1n 2: Ki\u1ec3m tra sau l\u1eafp r\u00e1p \u2013 Ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c khuy\u1ebft t\u1eadt<\/h2>\n\n\n\n<p>Sau khi c\u00e1c linh ki\u1ec7n \u0111\u01b0\u1ee3c l\u1eafp r\u00e1p, b\u1ea3ng m\u1ea1ch s\u1ebd tr\u1edf th\u00e0nh m\u1ed9t M\u00f4-\u0111un b\u1ea3ng m\u1ea1ch in (PCBA). Vi\u1ec7c ki\u1ec3m tra \u1edf giai \u0111o\u1ea1n n\u00e0y c\u00f3 vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c ph\u00e1t hi\u1ec7n c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn qu\u00e1 tr\u00ecnh h\u00e0n v\u00e0 b\u1ed1 tr\u00ed linh ki\u1ec7n. Th\u1ecb tr\u01b0\u1eddng thi\u1ebft b\u1ecb ki\u1ec3m tra \u0111\u00e3 ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng, v\u1edbi c\u00e1c d\u1ef1 b\u00e1o cho th\u1ea5y m\u1ee9c t\u0103ng t\u1eeb <a href=\"https:\/\/www.einpresswire.com\/article\/871548230\/printed-circuit-board-inspection-equipment-market-2025-2029-unveiling-growth-developments-with-the-latest-updates\" target=\"_blank\" rel=\"noopener\">t\u1eeb 1.439,9 t\u1ef7 v\u00e0o n\u0103m 2024 l\u00ean 1.443 t\u1ef7 v\u00e0o n\u0103m 2025<\/a>, nh\u1ea5n m\u1ea1nh t\u1ea7m quan tr\u1ecdng c\u1ee7a n\u00f3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ki\u1ec3m tra quang h\u1ecdc t\u1ef1 \u0111\u1ed9ng (AOI) cho c\u00e1c c\u1ee5m b\u1ea3ng m\u1ea1ch in (PCBA)<\/h3>\n\n\n\n<p>Sau khi l\u1eafp \u0111\u1eb7t linh ki\u1ec7n, h\u1ec7 th\u1ed1ng AOI l\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, nh\u01b0ng l\u1ea7n n\u00e0y tr\u1ecdng t\u00e2m c\u1ee7a n\u00f3 \u0111\u00e3 thay \u0111\u1ed5i. H\u1ec7 th\u1ed1ng ki\u1ec3m tra xem vi\u1ec7c l\u1eafp \u0111\u1eb7t linh ki\u1ec7n, h\u01b0\u1edbng \u0111\u1eb7t, c\u1ef1c t\u00ednh v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng h\u00e0n c\u00f3 ch\u00ednh x\u00e1c hay kh\u00f4ng. H\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c linh ki\u1ec7n b\u1ecb thi\u1ebfu, linh ki\u1ec7n l\u1eafp sai v\u00e0 c\u00e1c khuy\u1ebft t\u1eadt c\u00f3 th\u1ec3 quan s\u00e1t \u0111\u01b0\u1ee3c t\u1ea1i c\u00e1c m\u1ed1i h\u00e0n nh\u01b0 hi\u1ec7n t\u01b0\u1ee3ng h\u00e0n ch\u1eadp ho\u1eb7c l\u01b0\u1ee3ng h\u00e0n kh\u00f4ng \u0111\u1ee7, t\u1eeb \u0111\u00f3 nhanh ch\u00f3ng ph\u00e1t hi\u1ec7n ra nh\u1eefng l\u1ed7i l\u1eafp r\u00e1p ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Ki\u1ec3m tra \u0111\u00e1ng tin c\u1eady, \u0111\u01a1n gi\u1ea3n h\u00f3a. H\u00e3y xem h\u1ec7 th\u1ed1ng AOI 2D c\u1ee7a ch\u00fang t\u00f4i ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o.\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/ytKekJ-T4VU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Ki\u1ec3m tra b\u1ed9t h\u00e0n (SPI)<\/h3>\n\n\n\n<p>Tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t c\u00e1c linh ki\u1ec7n, h\u1ec7 th\u1ed1ng SPI 3D s\u1ebd \u0111o l\u01b0\u1eddng th\u1ec3 t\u00edch, \u0111\u1ed9 th\u1eb3ng h\u00e0ng v\u00e0 chi\u1ec1u cao c\u1ee7a c\u00e1c l\u1edbp keo h\u00e0n tr\u00ean c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac. Do ph\u1ea7n l\u1edbn c\u00e1c l\u1ed7i h\u00e0n xu\u1ea5t ph\u00e1t t\u1eeb vi\u1ec7c b\u00f4i keo h\u00e0n kh\u00f4ng \u0111\u00fang c\u00e1ch, vi\u1ec7c ki\u1ec3m tra ch\u1ee7 \u0111\u1ed9ng n\u00e0y l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3 nh\u1ea5t \u0111\u1ec3 n\u00e2ng cao n\u0103ng su\u1ea5t v\u00e0 ng\u0103n ng\u1eeba vi\u1ec7c ph\u1ea3i l\u00e0m l\u1ea1i sau n\u00e0y.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ki\u1ec3m tra b\u1eb1ng tia X: Nh\u00ecn th\u1ea5u b\u00ean trong<\/h3>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c linh ki\u1ec7n c\u00f3 c\u00e1c \u0111i\u1ec3m n\u1ed1i \u0111\u01b0\u1ee3c gi\u1ea5u b\u00ean d\u01b0\u1edbi v\u1ecf g\u00f3i, nh\u01b0 m\u1ea3ng l\u01b0\u1edbi b\u00f3ng (BGA), vi\u1ec7c ki\u1ec3m tra b\u1eb1ng tia X l\u00e0 v\u00f4 c\u00f9ng c\u1ea7n thi\u1ebft. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y cho ph\u00e9p k\u1ef9 thu\u1eadt vi\u00ean quan s\u00e1t xuy\u00ean qua linh ki\u1ec7n \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c l\u1ed7 r\u1ed7ng h\u00e0n, hi\u1ec7n t\u01b0\u1ee3ng ch\u1eadp m\u1ea1ch v\u00e0 s\u1ef1 c\u0103n ch\u1ec9nh ch\u00ednh x\u00e1c c\u1ee7a c\u00e1c b\u00f3ng h\u00e0n \u2014 nh\u1eefng khuy\u1ebft t\u1eadt m\u00e0 ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra quang h\u1ecdc kh\u00f4ng th\u1ec3 ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra ti\u00ean ti\u1ebfn nh\u01b0 v\u1eady g\u00f3p ph\u1ea7n gi\u00fap t\u1ef7 l\u1ec7 h\u1ecfng h\u00f3c do khuy\u1ebft t\u1eadt gi\u1ea3m xu\u1ed1ng m\u1ee9c th\u1ea5p nh\u1ea5t l\u00e0 <a href=\"https:\/\/www.360researchreports.com\/market-reports\/pcb-printed-circuit-board-market-211959\" target=\"_blank\" rel=\"noopener\">1.2%<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Giai \u0111o\u1ea1n 3: Ki\u1ec3m tra \u0111i\u1ec7n \u2013 Ki\u1ec3m tra k\u1ebft n\u1ed1i v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a c\u00e1c linh ki\u1ec7n<\/h2>\n\n\n\n<p>Sau khi \u0111\u00e3 ki\u1ec3m tra b\u1eb1ng m\u1eaft th\u01b0\u1eddng b\u1ea3ng m\u1ea1ch in (PCBA), b\u01b0\u1edbc ti\u1ebfp theo l\u00e0 c\u1ea5p ngu\u1ed3n v\u00e0 ki\u1ec3m tra c\u00e1c th\u00f4ng s\u1ed1 \u0111i\u1ec7n c\u1ee7a n\u00f3. Giai \u0111o\u1ea1n n\u00e0y nh\u1eb1m x\u00e1c nh\u1eadn r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c linh ki\u1ec7n \u0111\u00e3 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i ch\u00ednh x\u00e1c v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ee9c c\u01a1 b\u1ea3n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ki\u1ec3m tra trong m\u1ea1ch (ICT): Ph\u01b0\u01a1ng ph\u00e1p \u201cgi\u01b0\u1eddng \u0111inh\u201d<\/h3>\n\n\n\n<p>ICT l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra hi\u1ec7u qu\u1ea3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t. M\u1ed9t thi\u1ebft b\u1ecb c\u1ed1 \u0111\u1ecbnh t\u00f9y ch\u1ec9nh, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cbed-of-nails\u201d, ti\u1ebfp x\u00fac \u0111\u1ed3ng th\u1eddi v\u1edbi nhi\u1ec1u \u0111i\u1ec3m ki\u1ec3m tra tr\u00ean b\u1ea3ng m\u1ea1ch. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 nhanh ch\u00f3ng ph\u00e1t hi\u1ec7n c\u00e1c s\u1ef1 c\u1ed1 ch\u1eadp m\u1ea1ch, \u0111\u1ee9t m\u1ea1ch v\u00e0 \u0111o gi\u00e1 tr\u1ecb c\u1ee7a c\u00e1c linh ki\u1ec7n th\u1ee5 \u0111\u1ed9ng (\u0111i\u1ec7n tr\u1edf, t\u1ee5 \u0111i\u1ec7n), \u0111\u1ed3ng th\u1eddi x\u00e1c minh ch\u1ee9c n\u0103ng c\u1ee7a c\u00e1c linh ki\u1ec7n t\u01b0\u01a1ng t\u1ef1 v\u00e0 s\u1ed1.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"H\u1ec7 th\u1ed1ng x\u01b0\u1edfng s\u1ea3n xu\u1ea5t t\u00edch h\u1ee3p v\u1edbi quy tr\u00ecnh ki\u1ec3m tra PCB t\u1ef1 \u0111\u1ed9ng v\u00e0 ki\u1ec3m tra b\u1eb1ng \u0111\u1ea7u d\u00f2 di \u0111\u1ed9ng.\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/qwNoLyt-fYU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Ki\u1ec3m tra b\u1eb1ng \u0111\u1ea7u d\u00f2 di \u0111\u1ed9ng: T\u00ednh linh ho\u1ea1t cho c\u00e1c l\u00f4 s\u1ea3n ph\u1ea9m nh\u1ecf v\u00e0 m\u1eabu th\u1eed<\/h3>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c m\u1eabu th\u1eed nghi\u1ec7m v\u00e0 c\u00e1c l\u00f4 s\u1ea3n xu\u1ea5t quy m\u00f4 nh\u1ecf, m\u00e1y ki\u1ec3m tra Flying Probe l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf kh\u00f4ng c\u1ea7n khu\u00f4n c\u1ed1 \u0111\u1ecbnh so v\u1edbi ph\u01b0\u01a1ng ph\u00e1p ICT. C\u00e1c \u0111\u1ea7u d\u00f2 robot di chuy\u1ec3n xung quanh b\u1ea3ng m\u1ea1ch, ti\u1ebfp x\u00fac v\u1edbi c\u00e1c ch\u00e2n linh ki\u1ec7n v\u00e0 c\u00e1c l\u1ed7 vias \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p \u0111o \u0111i\u1ec7n t\u01b0\u01a1ng t\u1ef1. M\u1eb7c d\u00f9 t\u1ed1c \u0111\u1ed9 ch\u1eadm h\u01a1n so v\u1edbi ICT, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y l\u1ea1i r\u1ea5t linh ho\u1ea1t v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed cho c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1ea3n xu\u1ea5t s\u1ed1 l\u01b0\u1ee3ng \u00edt do kh\u00f4ng y\u00eau c\u1ea7u khu\u00f4n c\u1ed1 \u0111\u1ecbnh ri\u00eang.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/12\/Flying-Probe-Testing_1.webp\" alt=\"Flying Probe Testing\" class=\"wp-image-4572\" srcset=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/12\/Flying-Probe-Testing_1.webp 800w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/12\/Flying-Probe-Testing_1-300x188.webp 300w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/12\/Flying-Probe-Testing_1-768x480.webp 768w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2025\/12\/Flying-Probe-Testing_1-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Ki\u1ec3m tra bi\u00ean (JTAG\/IEEE 1149.1): Ki\u1ec3m tra c\u00e1c m\u1ea1ch s\u1ed1 ph\u1ee9c t\u1ea1p<\/h3>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c b\u1ea3ng m\u1ea1ch hi\u1ec7n \u0111\u1ea1i, m\u1eadt \u0111\u1ed9 cao c\u00f3 m\u1ea1ch t\u00edch h\u1ee3p (IC) ph\u1ee9c t\u1ea1p, vi\u1ec7c ti\u1ebfp c\u1eadn v\u1eadt l\u00fd t\u1ea5t c\u1ea3 c\u00e1c ch\u00e2n th\u01b0\u1eddng l\u00e0 kh\u00f4ng th\u1ec3. Ki\u1ec3m tra Boundary Scan s\u1eed d\u1ee5ng m\u1ed9t m\u1ea1ch logic ki\u1ec3m tra chuy\u00ean d\u1ee5ng \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n trong nhi\u1ec1u IC \u0111\u1ec3 x\u00e1c minh c\u00e1c k\u1ebft n\u1ed1i gi\u1eefa ch\u00fang m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ebfn c\u00e1c \u0111\u1ea7u d\u00f2 v\u1eadt l\u00fd tr\u1ef1c ti\u1ebfp, khi\u1ebfn ph\u01b0\u01a1ng ph\u00e1p n\u00e0y tr\u1edf n\u00ean v\u00f4 c\u00f9ng h\u1eefu \u00edch trong vi\u1ec7c ki\u1ec3m tra c\u00e1c m\u1ea1ch logic s\u1ed1 ph\u1ee9c t\u1ea1p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Giai \u0111o\u1ea1n 4: Ki\u1ec3m th\u1eed ch\u1ee9c n\u0103ng \u2013 X\u00e1c nh\u1eadn hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3<\/h2>\n\n\n\n<p>\u0110\u00e2y l\u00e0 b\u01b0\u1edbc ki\u1ec3m tra x\u00e1c nh\u1eadn cu\u1ed1i c\u00f9ng. Ki\u1ec3m tra ch\u1ee9c n\u0103ng (FCT) bao g\u1ed3m vi\u1ec7c c\u1ea5p ngu\u1ed3n cho bo m\u1ea1ch v\u00e0 m\u00f4 ph\u1ecfng m\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng d\u1ef1 ki\u1ebfn \u0111\u1ec3 x\u00e1c nh\u1eadn r\u1eb1ng bo m\u1ea1ch ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c theo \u0111\u00fang thi\u1ebft k\u1ebf.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ki\u1ec3m th\u1eed ch\u1ee9c n\u0103ng (FCT): M\u00f4 ph\u1ecfng ho\u1ea1t \u0111\u1ed9ng trong \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf<\/h3>\n\n\n\n<p>Trong qu\u00e1 tr\u00ecnh FCT, b\u1ea3ng m\u1ea1ch in (PCBA) \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi m\u1ed9t thi\u1ebft b\u1ecb ki\u1ec3m tra c\u00f3 ch\u1ee9c n\u0103ng c\u1ea5p ngu\u1ed3n v\u00e0 m\u00f4 ph\u1ecfng c\u00e1c t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra m\u00e0 n\u00f3 s\u1ebd g\u1eb7p ph\u1ea3i trong s\u1ea3n ph\u1ea9m ho\u00e0n thi\u1ec7n. H\u1ec7 th\u1ed1ng ki\u1ec3m tra s\u1ebd \u00e1p d\u1ee5ng \u0111i\u1ec7n \u00e1p v\u00e0 t\u00edn hi\u1ec7u ch\u00ednh x\u00e1c, sau \u0111\u00f3 \u0111o l\u01b0\u1eddng c\u00e1c t\u00edn hi\u1ec7u \u0111\u1ea7u ra \u0111\u1ec3 x\u00e1c minh r\u1eb1ng to\u00e0n b\u1ed9 b\u1ea3ng m\u1ea1ch ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang theo c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt \u0111\u00e3 quy \u0111\u1ecbnh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">L\u1eadp tr\u00ecnh v\u00e0 ki\u1ec3m th\u1eed ph\u1ea7n m\u1ec1m nh\u00fang<\/h3>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi nhi\u1ec1u s\u1ea3n ph\u1ea9m, \u0111\u00e2y c\u0169ng l\u00e0 giai \u0111o\u1ea1n m\u00e0 ph\u1ea7n m\u1ec1m nh\u00fang ho\u1eb7c ph\u1ea7n m\u1ec1m \u0111\u01b0\u1ee3c n\u1ea1p v\u00e0o c\u00e1c vi \u0111i\u1ec1u khi\u1ec3n ho\u1eb7c b\u1ed9 x\u1eed l\u00fd tr\u00ean bo m\u1ea1ch. Sau \u0111\u00f3, qu\u00e1 tr\u00ecnh ki\u1ec3m tra ch\u1ee9c n\u0103ng th\u01b0\u1eddng bao g\u1ed3m c\u00e1c quy tr\u00ecnh nh\u1eb1m x\u00e1c minh r\u1eb1ng ph\u1ea7n m\u1ec1m nh\u00fang \u0111\u00e3 \u0111\u01b0\u1ee3c n\u1ea1p ch\u00ednh x\u00e1c v\u00e0 ph\u1ea7n m\u1ec1m c\u00f3 th\u1ec3 \u0111i\u1ec1u khi\u1ec3n c\u00e1c th\u00e0nh ph\u1ea7n ph\u1ea7n c\u1ee9ng m\u1ed9t c\u00e1ch \u0111\u00fang \u0111\u1eafn.<\/p>\n\n\n\n<figure class=\"wp-block-embed alignleft is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-9-16 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Qu\u00e1 tr\u00ecnh ghi ch\u01b0\u01a1ng tr\u00ecnh PCB \u0111\u00e1ng tin c\u1eady: Ph\u00f9 h\u1ee3p cho s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t\" width=\"422\" height=\"750\" src=\"https:\/\/www.youtube.com\/embed\/dZuuZAmGC1M?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Giai \u0111o\u1ea1n 5: Th\u1eed nghi\u1ec7m \u0111\u1ed9 tin c\u1eady v\u00e0 m\u00f4i tr\u01b0\u1eddng \u2013 \u0110\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n l\u00e2u d\u00e0i<\/h2>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t ho\u1eb7c c\u00f3 tu\u1ed5i th\u1ecd cao, c\u1ea7n ph\u1ea3i ti\u1ebfn h\u00e0nh c\u00e1c th\u1eed nghi\u1ec7m b\u1ed5 sung \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng: Ki\u1ec3m tra gi\u1edbi h\u1ea1n<\/h3>\n\n\n\n<p>Qu\u00e1 tr\u00ecnh n\u00e0y bao g\u1ed3m vi\u1ec7c \u0111\u1eb7t b\u1ea3ng m\u1ea1ch in (PCBA) v\u00e0o bu\u1ed3ng th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng \u0111\u1ec3 cho n\u00f3 tr\u1ea3i qua c\u00e1c chu k\u1ef3 thay \u0111\u1ed5i c\u1ef1c \u0111oan v\u1ec1 nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u1ea9m v\u00e0 rung \u0111\u1ed9ng. Quy tr\u00ecnh n\u00e0y, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Th\u1eed nghi\u1ec7m Tu\u1ed5i th\u1ecd T\u0103ng t\u1ed1c Cao (HALT), \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 g\u00e2y ra c\u00e1c s\u1ef1 c\u1ed1 v\u00e0 x\u00e1c \u0111\u1ecbnh nh\u1eefng \u0111i\u1ec3m y\u1ebfu trong thi\u1ebft k\u1ebf ho\u1eb7c linh ki\u1ec7n c\u00f3 th\u1ec3 g\u00e2y ra v\u1ea5n \u0111\u1ec1 khi s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Th\u1eed nghi\u1ec7m Burn-In: T\u0103ng t\u1ed1c \u0111\u1ed9 ph\u00e1t hi\u1ec7n c\u00e1c l\u1ed7i s\u1edbm<\/h3>\n\n\n\n<p>Th\u1eed nghi\u1ec7m ch\u1ea1y th\u1eed (burn-in) l\u00e0 qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh b\u1ea3ng m\u1ea1ch in (PCBA), th\u01b0\u1eddng \u1edf nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111i\u1ec7n \u00e1p cao h\u01a1n m\u1ee9c b\u00ecnh th\u01b0\u1eddng, trong m\u1ed9t kho\u1ea3ng th\u1eddi gian d\u00e0i (nhi\u1ec1u gi\u1edd ho\u1eb7c th\u1eadm ch\u00ed nhi\u1ec1u ng\u00e0y). Qu\u00e1 tr\u00ecnh n\u00e0y nh\u1eb1m lo\u1ea1i b\u1ecf c\u00e1c linh ki\u1ec7n c\u00f3 nguy c\u01a1 h\u1ecfng h\u00f3c s\u1edbm trong giai \u0111o\u1ea1n \u0111\u1ea7u c\u1ee7a v\u00f2ng \u0111\u1eddi s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u1ebft n\u1ed1i (IST)<\/h3>\n\n\n\n<p>IST t\u1eadp trung v\u00e0o \u0111\u1ed9 tin c\u1eady c\u1ee7a c\u00e1c l\u1ed7 vias v\u00e0 c\u00e1c \u0111\u01b0\u1eddng k\u1ebft n\u1ed1i trong c\u00e1c l\u1edbp c\u1ee7a b\u1ea3ng m\u1ea1ch in (PCB). Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y li\u00ean t\u1ee5c gia nhi\u1ec7t b\u1ea3ng m\u1ea1ch \u0111\u1ec3 t\u1ea1o ra \u1ee9ng su\u1ea5t c\u01a1 h\u1ecdc, \u0111\u1ed3ng th\u1eddi theo d\u00f5i b\u1ea5t k\u1ef3 s\u1ef1 gia t\u0103ng n\u00e0o v\u1ec1 \u0111i\u1ec7n tr\u1edf \u2013 d\u1ea5u hi\u1ec7u cho th\u1ea5y s\u1ef1 h\u00ecnh th\u00e0nh v\u1ebft n\u1ee9t ho\u1eb7c h\u01b0 h\u1ecfng trong c\u00e1c k\u1ebft n\u1ed1i \u0111\u1ed3ng b\u00ean trong.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Th\u1eed nghi\u1ec7m EMC (T\u01b0\u01a1ng th\u00edch \u0111i\u1ec7n t\u1eeb)<\/h3>\n\n\n\n<p>Th\u1eed nghi\u1ec7m EMC \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea3ng m\u1ea1ch kh\u00f4ng ph\u00e1t ra nhi\u1ec5u \u0111i\u1ec7n t\u1eeb qu\u00e1 m\u1ee9c c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c v\u00e0 kh\u00f4ng d\u1ec5 b\u1ecb nhi\u1ec5u t\u1eeb c\u00e1c ngu\u1ed3n b\u00ean ngo\u00e0i. \u0110\u00e2y l\u00e0 m\u1ed9t y\u00eau c\u1ea7u quy \u0111\u1ecbnh quan tr\u1ecdng \u0111\u1ed1i v\u1edbi nhi\u1ec1u s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Giai \u0111o\u1ea1n 6: Ph\u00e2n t\u00edch n\u00e2ng cao v\u00e0 c\u1ea3i ti\u1ebfn li\u00ean t\u1ee5c \u2013 N\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng<\/h2>\n\n\n\n<p>C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t PCB h\u00e0ng \u0111\u1ea7u kh\u00f4ng ch\u1ec9 s\u1eed d\u1ee5ng quy tr\u00ecnh ki\u1ec3m tra \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c b\u1ea3ng m\u1ea1ch l\u1ed7i m\u00e0 c\u00f2n nh\u1eb1m c\u1ea3i thi\u1ec7n to\u00e0n b\u1ed9 quy tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ph\u00e2n t\u00edch nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 b\u1eb1ng c\u00e1c k\u1ef9 thu\u1eadt ph\u00f2ng th\u00ed nghi\u1ec7m ti\u00ean ti\u1ebfn<\/h3>\n\n\n\n<p>Khi ph\u00e1t hi\u1ec7n ra l\u1ed7i, c\u00e1c k\u1ef9 thu\u1eadt ti\u00ean ti\u1ebfn nh\u01b0 c\u1eaft ngang, c\u1eaft vi m\u00f4 v\u00e0 K\u00ednh hi\u1ec3n vi \u0111i\u1ec7n t\u1eed qu\u00e9t (SEM) s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e2n t\u00edch s\u00e2u v\u00e0 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5. Th\u00f4ng tin ph\u1ea3n h\u1ed3i n\u00e0y \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a c\u00e1c th\u00f4ng s\u1ed1 s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Thi\u1ebft k\u1ebf \u0111\u1ec3 d\u1ec5 ki\u1ec3m tra (DFT) v\u00e0 Thi\u1ebft k\u1ebf \u0111\u1ec3 d\u1ec5 s\u1ea3n xu\u1ea5t (DFM)<\/h3>\n\n\n\n<p>Vi\u1ec7c \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t nh\u1ea5t b\u1eaft \u0111\u1ea7u ngay t\u1eeb giai \u0111o\u1ea1n thi\u1ebft k\u1ebf. C\u00e1c nguy\u00ean t\u1eafc DFT (Thi\u1ebft k\u1ebf thu\u1eadn l\u1ee3i cho ki\u1ec3m tra) bao g\u1ed3m vi\u1ec7c thi\u1ebft k\u1ebf b\u1ea3ng m\u1ea1ch v\u1edbi m\u1ee5c ti\u00eau ki\u1ec3m tra \u2014 v\u00ed d\u1ee5 nh\u01b0 b\u1eb1ng c\u00e1ch t\u00edch h\u1ee3p c\u00e1c \u0111i\u1ec3m ki\u1ec3m tra d\u1ec5 ti\u1ebfp c\u1eadn. DFM (Thi\u1ebft k\u1ebf thu\u1eadn l\u1ee3i cho s\u1ea3n xu\u1ea5t) \u0111\u1ea3m b\u1ea3o thi\u1ebft k\u1ebf \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a \u0111\u1ec3 qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t di\u1ec5n ra su\u00f4n s\u1ebb v\u00e0 c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i, t\u1eeb \u0111\u00f3 gi\u1ea3m thi\u1ec3u nguy c\u01a1 x\u1ea3y ra l\u1ed7i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Thi\u1ebft l\u1eadp c\u00e1c m\u1ed1c ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh<\/h3>\n\n\n\n<p>M\u1ed9t h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng v\u1eefng ch\u1eafc \u0111\u00f2i h\u1ecfi ph\u1ea3i thi\u1ebft l\u1eadp c\u00e1c \u201cc\u1ed9t m\u1ed1c ch\u1ea5t l\u01b0\u1ee3ng\u201d r\u00f5 r\u00e0ng \u1edf t\u1eebng giai \u0111o\u1ea1n s\u1ea3n xu\u1ea5t. M\u1ed9t b\u1ea3ng m\u1ea1ch kh\u00f4ng th\u1ec3 chuy\u1ec3n sang giai \u0111o\u1ea1n ti\u1ebfp theo cho \u0111\u1ebfn khi v\u01b0\u1ee3t qua c\u00e1c b\u00e0i ki\u1ec3m tra b\u1eaft bu\u1ed9c. Vi\u1ec7c tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh nh\u01b0 IPC t\u1ea1o ra m\u1ed9t khu\u00f4n kh\u1ed5 \u0111\u1ec3 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t \u1ed5n \u0111\u1ecbnh v\u00e0 cao.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">K\u1ebft lu\u1eadn: X\u00e2y d\u1ef1ng m\u1ed9t h\u1ec7 sinh th\u00e1i \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng PCB v\u1eefng ch\u1eafc<\/h2>\n\n\n\n<p>Vi\u1ec7c \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a b\u1ea3ng m\u1ea1ch in l\u00e0 m\u1ed9t nhi\u1ec7m v\u1ee5 ph\u1ee9c t\u1ea1p nh\u01b0ng v\u00f4 c\u00f9ng quan tr\u1ecdng. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn chi\u1ebfn l\u01b0\u1ee3c, \u0111a t\u1ea7ng, b\u1eaft \u0111\u1ea7u t\u1eeb b\u1ea3ng m\u1ea1ch th\u00f4 v\u00e0 k\u00e9o d\u00e0i qua c\u00e1c giai \u0111o\u1ea1n l\u1eafp r\u00e1p, ki\u1ec3m tra ch\u1ee9c n\u0103ng, cho \u0111\u1ebfn qu\u00e1 tr\u00ecnh \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i. 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