{"id":5694,"date":"2026-02-24T05:18:40","date_gmt":"2026-02-24T05:18:40","guid":{"rendered":"https:\/\/pickandplacemachine.com\/?p=5694"},"modified":"2026-05-20T01:47:01","modified_gmt":"2026-05-20T01:47:01","slug":"insufficient-solder-joints-causes-related-to-paste-and-placement","status":"publish","type":"post","link":"https:\/\/pickandplacemachine.com\/vi\/insufficient-solder-joints-causes-related-to-paste-and-placement\/","title":{"rendered":"K\u1ebft n\u1ed1i h\u00e0n kh\u00f4ng \u0111\u1ee7: Nguy\u00ean nh\u00e2n li\u00ean quan \u0111\u1ebfn keo h\u00e0n v\u00e0 v\u1ecb tr\u00ed \u0111\u1eb7t linh ki\u1ec7n"},"content":{"rendered":"<p class=\"wp-block-paragraph\">T\u00f4i s\u1ebd n\u00f3i ra ph\u1ea7n m\u00e0 m\u1ecdi ng\u01b0\u1eddi th\u01b0\u1eddng kh\u00f4ng n\u00f3i. H\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p \u0111\u1ec1u \u0111\u1ed5 l\u1ed7i cho qu\u00e1 tr\u00ecnh t\u00e1i s\u1eafp x\u1ebfp tr\u01b0\u1edbc ti\u00ean.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u \u0111\u00f3 l\u00e0 sai l\u1ea7m v\u00e0 g\u00e2y l\u00e3ng ph\u00ed th\u1eddi gian, v\u00ec \u201ck\u1ebft n\u1ed1i h\u00e0n kh\u00f4ng \u0111\u1ee7\u201d th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n t\u1eeb s\u1edbm: t\u1ea1i m\u00e1y in (k\u00edch th\u01b0\u1edbc\/h\u00ecnh d\u1ea1ng) v\u00e0 t\u1ea1i qu\u00e1 tr\u00ecnh \u0111\u1eb7t linh ki\u1ec7n (c\u00e1ch linh ki\u1ec7n th\u1ef1c s\u1ef1 ti\u1ebfp x\u00fac v\u1edbi ch\u1ea5t h\u00e0n), sau \u0111\u00f3 qu\u00e1 tr\u00ecnh h\u00e0n l\u1ea1i ch\u1ec9 \u201ckh\u00f3a ch\u1eb7t\u201d l\u1ed7i \u0111\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ba t\u1eeb.&nbsp;<strong>B\u1eaft \u0111\u1ea7u t\u1eeb b\u1ea3n in.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 nh\u1eefng g\u00ec t\u00f4i th\u1ea5y tr\u00ean c\u00e1c d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t th\u1ef1c t\u1ebf: b\u1ea1n c\u00f3 th\u1ec3 ch\u1ea1y m\u1ed9t quy tr\u00ecnh h\u00e0n l\u1ea1i ho\u00e0n h\u1ea3o, \u0111\u1ea1t \u0111\u1ec9nh s\u00e1ng b\u00f3ng, ghi l\u1ea1i m\u1ecdi v\u00f9ng, nh\u01b0ng v\u1eabn ph\u1ea3i xu\u1ea5t x\u01b0\u1edfng c\u00e1c bo m\u1ea1ch v\u1edbi c\u00e1c m\u1ed1i h\u00e0n thi\u1ebfu h\u00e0n v\u00ec l\u01b0\u1ee3ng h\u00e0n l\u1eafng \u0111\u1ecdng qu\u00e1 th\u1ea5p (ho\u1eb7c b\u1ecb lem, kh\u00f4 c\u1ee9ng, ho\u1eb7c kh\u00f4ng \u0111\u1ec1u), v\u00e0 linh ki\u1ec7n kh\u00f4ng n\u1eb1m \u0111\u00fang v\u1ecb tr\u00ed m\u00e0 b\u1ea1n ngh\u0129 khi ch\u1ea5t tr\u1ee3 h\u00e0n b\u1eaft \u0111\u1ea7u ph\u00e1t huy t\u00e1c d\u1ee5ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1eady h\u00e3y n\u00f3i chuy\u1ec7n nh\u01b0 nh\u1eefng ng\u01b0\u1eddi l\u00e0m vi\u1ec7c theo quy tr\u00ecnh. Kh\u00f4ng ph\u1ea3i nh\u1eefng ng\u01b0\u1eddi m\u01a1 m\u1ed9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu b\u1ea1n mu\u1ed1n c\u00f3 m\u1ed9t th\u01b0 vi\u1ec7n r\u1ed9ng h\u01a1n v\u1ec1 c\u00e1c m\u1eabu l\u1ed7i v\u00e0 ki\u1ec3m tra, h\u00e3y gi\u1eef l\u1ea1i&nbsp;<a href=\"https:\/\/pickandplacemachine.com\/process-quality\/\">H\u01b0\u1edbng d\u1eabn quy tr\u00ecnh v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng SMT<\/a>&nbsp;M\u1edf trong tab kh\u00e1c trong khi b\u1ea1n \u0111\u1ecdc.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"what-insufficient-solder-joints-really-means-in-practice\">\u201cC\u00e1c m\u1ed1i h\u00e0n kh\u00f4ng \u0111\u1ee7\u201d th\u1ef1c s\u1ef1 c\u00f3 ngh\u0129a l\u00e0 g\u00ec trong th\u1ef1c t\u1ebf?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u1edbp tr\u00f4ng \u201c\u0111\u00f3i\u201d. Mi\u1ebfng th\u1ecbt nh\u1ecf. \u01af\u1edbt m\u1ed9t ph\u1ea7n. G\u00f3t m\u1ecfng. M\u1ed9t \u0111\u01b0\u1eddng d\u1eabn c\u00e1nh chim h\u1ea3i \u00e2u tr\u00f4ng g\u1ea7n nh\u01b0 li\u1ec1n m\u1ea1ch cho \u0111\u1ebfn khi b\u1ea1n ch\u1ea1m nh\u1eb9 v\u00e0o n\u00f3 v\u00e0 \u0111\u1ed3ng h\u1ed3 m\u1edf ra \u0111\u1ed9t ng\u1ed9t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00e0 s\u1ef1 th\u1eadt \u0111\u00e1ng bu\u1ed3n: khuy\u1ebft t\u1eadt n\u00e0y r\u1ea5t gi\u1ecfi trong vi\u1ec7c \u1ea9n m\u00ecnh. H\u1ec7 th\u1ed1ng ki\u1ec3m tra t\u1ef1 \u0111\u1ed9ng (AOI) c\u00f3 th\u1ec3 b\u1ecf qua n\u00f3 khi \u00e1nh s\u00e1ng thu\u1eadn l\u1ee3i. Ki\u1ec3m tra ch\u1ee9c n\u0103ng c\u00f3 th\u1ec3 b\u1ecf qua n\u00f3 khi t\u1ea3i nh\u1eb9. Sau \u0111\u00f3, rung \u0111\u1ed9ng, chu k\u1ef3 nhi\u1ec7t ho\u1eb7c m\u00f4i tr\u01b0\u1eddng s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a kh\u00e1ch h\u00e0ng s\u1ebd th\u1ef1c hi\u1ec7n ki\u1ec3m tra cu\u1ed1i c\u00f9ng cho b\u1ea1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu b\u1ea1n ch\u1ebf t\u1ea1o b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb n\u00e0o c\u00f3 th\u1ec3 di chuy\u1ec3n ho\u1eb7c sinh nhi\u1ec7t, b\u1ea1n kh\u00f4ng th\u1ec3 coi th\u01b0\u1eddng v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/pickandplacemachine.com\/wp-admin\/post.php?post=3041&amp;action=edit\"><img decoding=\"async\" width=\"960\" height=\"640\" src=\"https:\/\/pickandplacemachine.com\/wp-content\/uploads\/2026\/02\/SMT-Grease3-1.jpg\" alt=\"M\u1ee1 b\u00f4i tr\u01a1n SMT\" class=\"wp-image-5697\" srcset=\"https:\/\/pickandplacemachine.com\/wp-content\/uploads\/2026\/02\/SMT-Grease3-1.jpg 960w, https:\/\/pickandplacemachine.com\/wp-content\/uploads\/2026\/02\/SMT-Grease3-1-300x200.jpg 300w, https:\/\/pickandplacemachine.com\/wp-content\/uploads\/2026\/02\/SMT-Grease3-1-768x512.jpg 768w, https:\/\/pickandplacemachine.com\/wp-content\/uploads\/2026\/02\/SMT-Grease3-1-18x12.jpg 18w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"evidence-that-this-isn-t-theoretical\">B\u1eb1ng ch\u1ee9ng cho th\u1ea5y \u0111i\u1ec1u n\u00e0y kh\u00f4ng ph\u1ea3i l\u00e0 l\u00fd thuy\u1ebft.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00f4i kh\u00f4ng th\u00edch s\u1eed d\u1ee5ng c\u00e1c l\u1ed7i thu h\u1ed3i l\u00e0m c\u00f4ng c\u1ee5 gi\u1ea3ng d\u1ea1y. Nh\u01b0ng ch\u00fang r\u1ea5t trung th\u1ef1c. Ch\u00fang cho th\u1ea5y \u0111i\u1ec1u g\u00ec x\u1ea3y ra khi c\u00e1c m\u1ed1i h\u00e0n kh\u00f4ng \u0111\u00fang.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Trong h\u1ed3 s\u01a1 Part 573 th\u00e1ng 10 n\u0103m 2023, C\u1ee5c Qu\u1ea3n l\u00fd An to\u00e0n Giao th\u00f4ng \u0110\u01b0\u1eddng b\u1ed9 Hoa K\u1ef3 (NHTSA) \u0111\u00e3 ghi nh\u1eadn m\u1ed9t v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn xe \u0111i\u1ec7n Ford F-150 BEV.&nbsp;<strong>K\u1ebft n\u1ed1i h\u00e0n b\u1ecb thi\u1ebfu<\/strong>&nbsp;Tr\u00ean m\u1ed9t k\u1ebft n\u1ed1i \u0111i\u1ec7n \u00e1p th\u1ea5p \u0111\u1ebfn bo m\u1ea1ch in (PCBA) trong h\u1ec7 th\u1ed1ng s\u01b0\u1edfi l\u00e0m m\u00e1t cabin \u0111i\u1ec7n t\u1eed; b\u00e1o c\u00e1o th\u1eadm ch\u00ed c\u00f2n ch\u1ec9 ra c\u00e1ch m\u1ed9t \u0111\u01b0\u1eddng \u1ed1ng ph\u1ee5 c\u00f3 l\u01b0u l\u01b0\u1ee3ng th\u1ea5p \u0111\u00e3 cho ph\u00e9p l\u1ed7i n\u00e0y ti\u1ebfp t\u1ee5c lan truy\u1ec1n xu\u1ed1ng d\u00f2ng. \u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 \u201cph\u00e9p m\u00e0u h\u00e0n l\u1ea1i\u201d. \u0110\u00f3 l\u00e0 s\u1ef1 th\u1ea5t b\u1ea1i trong ki\u1ec3m so\u00e1t quy tr\u00ecnh.&nbsp;<a href=\"https:\/\/static.nhtsa.gov\/odi\/rcl\/2023\/RCLRPT-23V688-9845.PDF\" target=\"_blank\" rel=\"noopener\">B\u00e1o c\u00e1o NHTSA Ph\u1ea7n 573 s\u1ed1 23V-688<\/a>.<\/li>\n\n\n\n<li>Trong h\u1ed3 s\u01a1 Part 573 th\u00e1ng 11 n\u0103m 2024, NHTSA m\u00f4 t\u1ea3 c\u00e1c xe Hyundai c\u00f3 m\u1ea1ch in (PCB) camera l\u00f9i \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t v\u1edbi&nbsp;<strong>C\u00e1c m\u1ed1i h\u00e0n kh\u00f4ng \u0111\u1ee7 ch\u1eb7t<\/strong>, c\u00f3 nguy c\u01a1 h\u1ecfng h\u00f3c camera v\u00e0 vi ph\u1ea1m ti\u00eau chu\u1ea9n FMVSS 111; m\u00f4 t\u1ea3 nguy\u00ean nh\u00e2n cho th\u1ea5y c\u00e1c v\u1ebft n\u1ee9t h\u00ecnh th\u00e0nh trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 ph\u00e1t tri\u1ec3n theo nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng.&nbsp;<a href=\"https:\/\/static.nhtsa.gov\/odi\/rcl\/2024\/RCLRPT-24V879-3883.PDF\" target=\"_blank\" rel=\"noopener\">B\u00e1o c\u00e1o NHTSA Ph\u1ea7n 573 s\u1ed1 24V-879<\/a>.<\/li>\n\n\n\n<li>M\u1ed9t b\u00e0i b\u00e1o h\u1ecdc thu\u1eadt-c\u00f4ng nghi\u1ec7p n\u0103m 2024 (\u0111\u01b0\u1ee3c \u0111\u0103ng t\u1ea3i d\u01b0\u1edbi d\u1ea1ng PDF c\u00f4ng khai) \u0111\u00e3 nh\u1eafc l\u1ea1i \u0111i\u1ec1u m\u00e0 nhi\u1ec1u k\u1ef9 s\u01b0 EMS \u0111\u00e3 bi\u1ebft r\u00f5: qu\u00e1 tr\u00ecnh in keo h\u00e0n \u0111\u00f3ng g\u00f3p m\u1ed9t ph\u1ea7n l\u1edbn v\u00e0o c\u00e1c v\u1ea5n \u0111\u1ec1 sau n\u00e0y, cho r\u1eb1ng b\u01b0\u1edbc in chi\u1ebfm m\u1ed9t ph\u1ea7n l\u1edbn trong c\u00e1c l\u1ed7i h\u00e0n v\u00e0 th\u1eddi gian m\u1ea5t \u0111i do kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 in k\u00e9m.&nbsp;<a href=\"https:\/\/www.researchsquare.com\/article\/rs-4770565\/v1.pdf\" target=\"_blank\" rel=\"noopener\">B\u00e0i b\u00e1o v\u1ec1 t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh d\u1ecbch m\u00e1y d\u1ef1a tr\u00ean m\u00f4 h\u00ecnh \u0111\u1ea1i di\u1ec7n (2024 PDF)<\/a>. (<a href=\"https:\/\/www.researchsquare.com\/article\/rs-4770565\/v1.pdf\" target=\"_blank\" rel=\"noopener\">researchsquare.com<\/a>)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e2y gi\u1edd ch\u00fang ta h\u00e3y v\u00e0o ph\u1ea7n th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"the-paste-side-how-you-accidentally-starve-a-joint\">Ph\u1ea7n b\u1ed9t: C\u00e1ch b\u1ea1n v\u00f4 t\u00ecnh l\u00e0m kh\u00f4 m\u1ed9t kh\u1edbp<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1-you-printed-less-paste-than-you-think-classic-under-volume-\">1) B\u1ea1n \u0111\u00e3 in \u00edt keo h\u01a1n so v\u1edbi b\u1ea1n ngh\u0129 (l\u01b0\u1ee3ng keo kh\u00f4ng \u0111\u1ee7)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y ch\u00ednh l\u00e0 th\u1ee7 ph\u1ea1m nh\u00e0m ch\u00e1n. N\u00f3 c\u0169ng th\u01b0\u1eddng xuy\u00ean chi\u1ebfn th\u1eafng trong h\u1ea7u h\u1ebft c\u00e1c tu\u1ea7n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng l\u00fd do ph\u1ed5 bi\u1ebfn:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>L\u1ed7 th\u00f4ng b\u1ecb t\u1eafc<\/strong>&nbsp;(oxit, ch\u1ea5t tr\u1ee3 ch\u1ea3y kh\u00f4, t\u00e1ch b\u1ed9t nh\u00e3o, kho\u1ea3ng th\u1eddi gian lau kh\u00f4ng \u0111\u00fang)<\/li>\n\n\n\n<li><strong>Ph\u1edbt b\u1ecb h\u1ecfng<\/strong>&nbsp;Gi\u1eefa khu\u00f4n v\u00e0 b\u1ea3ng (s\u1ee3i d\u1ecdc, k\u1eb9p kh\u00f4ng ch\u1eb7t, khu\u00f4n b\u1ecb m\u00f2n, khung b\u1ecb cong)<\/li>\n\n\n\n<li><strong>\u00c1p su\u1ea5t in sai \/ t\u1ed1c \u0111\u1ed9 in sai \/ t\u1ed1c \u0111\u1ed9 t\u00e1ch sai<\/strong>&nbsp;(B\u1ea1n c\u1eaft b\u1ed9t kh\u00f4ng \u0111\u00fang c\u00e1ch, kh\u00f4ng t\u00e1ch ra m\u1ed9t c\u00e1ch s\u1ea1ch s\u1ebd, khi\u1ebfn b\u1ed9t b\u1ecb k\u1eb9t trong l\u1ed7 m\u1edf.)<\/li>\n\n\n\n<li><strong>D\u00e1n trong \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng \u0111\u00fang<\/strong>&nbsp;(qu\u00e1 l\u1ea1nh, qu\u00e1 n\u00f3ng, qu\u00e1 kh\u00f4, l\u00e0m vi\u1ec7c qu\u00e1 s\u1ee9c, h\u1ebft h\u1ea1n, kh\u00f4ng \u0111\u01b0\u1ee3c nh\u00e0o\/tr\u1ed9n \u0111\u1ec1u)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu b\u1ea1n ch\u01b0a theo d\u00f5i xu h\u01b0\u1edbng n\u00e0y, h\u00e3y b\u1eaft \u0111\u1ea7u. S\u1eed d\u1ee5ng SPI.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu b\u1ea1n c\u1ea7n ph\u1ea7n c\u1ee9ng, h\u00e3y xem l\u1ea1i c\u1ee7a b\u1ea1n.&nbsp;<a href=\"https:\/\/pickandplacemachine.com\/solder-paste-printer\/\">M\u00e1y in keo h\u00e0n<\/a>&nbsp;Tri\u1ebft l\u00fd v\u1ec1 c\u00e1c t\u00f9y ch\u1ecdn v\u00e0 c\u00e0i \u0111\u1eb7t, v\u00ec c\u00f9ng m\u1ed9t m\u1eabu m\u00e1y in c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng ho\u00e0n to\u00e0n kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o m\u1ee9c \u0111\u1ed9 tu\u00e2n th\u1ee7 c\u00e1c quy t\u1eafc c\u00e0i \u0111\u1eb7t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-the-stencil-design-quietly-set-you-up-to-fail\">2) Thi\u1ebft k\u1ebf khu\u00f4n m\u1eabu m\u1ed9t c\u00e1ch tinh vi khi\u1ebfn b\u1ea1n d\u1ec5 d\u00e0ng th\u1ea5t b\u1ea1i.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c k\u1ef9 s\u01b0 th\u00edch tranh lu\u1eadn v\u1ec1 v\u00f9ng h\u00e0n l\u1ea1i. Trong khi \u0111\u00f3, khu\u00f4n in \u0111ang \u00e2m th\u1ea7m l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ecm ki\u1ebfm:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>T\u1ef7 l\u1ec7 di\u1ec7n t\u00edch<\/strong>&nbsp;Qu\u00e1 th\u1ea5p \u1edf c\u00e1c l\u1ed7 c\u00f3 kho\u1ea3ng c\u00e1ch nh\u1ecf (vi\u1ec7c gi\u1ea3i ph\u00f3ng keo tr\u1edf n\u00ean kh\u00f4ng \u1ed5n \u0111\u1ecbnh)<\/li>\n\n\n\n<li><strong>Gi\u1ea3m kh\u1ea9u \u0111\u1ed9<\/strong>&nbsp;\u0111\u00e3 tr\u1edf n\u00ean qu\u00e1 hung h\u0103ng<\/li>\n\n\n\n<li><strong>B\u01b0\u1edbc khu\u00f4n<\/strong>&nbsp;C\u00e1c chuy\u1ec3n ti\u1ebfp g\u00e2y ra s\u1ef1 kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u v\u1ec1 \u00e2m l\u01b0\u1ee3ng gi\u1eefa c\u00e1c pad li\u1ec1n k\u1ec1.<\/li>\n\n\n\n<li><strong>Ch\u1ea5t l\u01b0\u1ee3ng t\u01b0\u1eddng l\u1ed7 \/ l\u1edbp ph\u1ee7<\/strong>&nbsp;C\u00e1c v\u1ea5n \u0111\u1ec1 l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t truy\u1ec1n t\u1ea3i<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t b\u00e0i ki\u1ec3m tra \u0111\u01a1n gi\u1ea3n m\u00e0 t\u00f4i s\u1eed d\u1ee5ng: so s\u00e1nh bi\u1ec3u \u0111\u1ed3 ph\u00e2n b\u1ed1 th\u1ec3 t\u00edch SPI theo lo\u1ea1i pad (0402 so v\u1edbi QFP so v\u1edbi vi\u1ec1n QFN so v\u1edbi pad nhi\u1ec7t). N\u1ebfu ch\u1ec9 c\u00f3 m\u1ed9t nh\u00f3m pad b\u1ecb s\u1ee5p \u0111\u1ed5, \u0111\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 \u201cs\u1ef1 d\u1ecbch chuy\u1ec3n v\u1ecb tr\u00ed\u201d. \u0110\u00f3 l\u00e0 do khu\u00f4n in + v\u1eadt l\u00fd in.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"3-your-spi-limits-are-feel-good-limits-not-control-limits\">3) Gi\u1edbi h\u1ea1n SPI c\u1ee7a b\u1ea1n l\u00e0 \u201cgi\u1edbi h\u1ea1n c\u1ea3m gi\u00e1c tho\u1ea3i m\u00e1i\u201d, kh\u00f4ng ph\u1ea3i l\u00e0 gi\u1edbi h\u1ea1n ki\u1ec3m so\u00e1t.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00f4i th\u01b0\u1eddng th\u1ea5y \u0111i\u1ec1u n\u00e0y: Ch\u01b0\u01a1ng tr\u00ecnh SPI ch\u1ec9 \u0111\u00e1nh d\u1ea5u nh\u1eefng b\u1ea3n in c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng k\u00e9m m\u1ed9t c\u00e1ch r\u00f5 r\u1ec7t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Thay v\u00e0o \u0111\u00f3, h\u00e3y l\u00e0m nh\u01b0 sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u1eb7t&nbsp;<strong>D\u00e0nh ri\u00eang cho gia \u0111\u00ecnh pad<\/strong>&nbsp;Gi\u1edbi h\u1ea1n (kh\u00f4ng g\u1ed9p c\u00e1c pad vi\u1ec1n QFN v\u1edbi 0603)<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng c\u1ea3 hai&nbsp;<strong>th\u1ec3 t\u00edch v\u00e0 di\u1ec7n t\u00edch<\/strong>&nbsp;Ng\u01b0\u1ee1ng (m\u1ed9t v\u1ec7t r\u1ed9ng c\u00f3 th\u1ec3 \u0111i qua th\u1ec3 t\u00edch)<\/li>\n\n\n\n<li>Xu h\u01b0\u1edbng&nbsp;<strong>Cpk<\/strong>&nbsp;Tr\u00ean nh\u1eefng mi\u1ebfng l\u00f3t t\u1ed3i t\u1ec7 nh\u1ea5t, kh\u00f4ng ph\u1ea3i nh\u1eefng mi\u1ebfng l\u00f3t trung b\u00ecnh.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu b\u1ea1n \u0111ang mua s\u1eafm ho\u1eb7c ki\u1ec3m tra xe, h\u00e3y xem&nbsp;<a href=\"https:\/\/pickandplacemachine.com\/smt-inspection-system\/\">H\u1ec7 th\u1ed1ng ki\u1ec3m tra SMT (SPI\/AOI)<\/a>&nbsp;v\u1edbi g\u00f3c nh\u00ecn quy tr\u00ecnh, kh\u00f4ng ph\u1ea3i g\u00f3c nh\u00ecn \u201c\u0111\u1ea1t\/kh\u00f4ng \u0111\u1ea1t\u201d.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/pickandplacemachine.com\/wp-admin\/post.php?post=3053&amp;action=edit\"><img decoding=\"async\" width=\"960\" height=\"640\" src=\"https:\/\/pickandplacemachine.com\/wp-content\/uploads\/2026\/02\/SMT-Grease2-1.jpg\" alt=\"M\u1ee1 b\u00f4i tr\u01a1n SMT\" class=\"wp-image-5696\" srcset=\"https:\/\/pickandplacemachine.com\/wp-content\/uploads\/2026\/02\/SMT-Grease2-1.jpg 960w, https:\/\/pickandplacemachine.com\/wp-content\/uploads\/2026\/02\/SMT-Grease2-1-300x200.jpg 300w, https:\/\/pickandplacemachine.com\/wp-content\/uploads\/2026\/02\/SMT-Grease2-1-768x512.jpg 768w, https:\/\/pickandplacemachine.com\/wp-content\/uploads\/2026\/02\/SMT-Grease2-1-18x12.jpg 18w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"the-placement-side-how-good-enough-placement-creates-solder-starvation\">Ph\u00eda \u0111\u1eb7t linh ki\u1ec7n: C\u00e1ch \u0111\u1eb7t linh ki\u1ec7n \u201c\u0111\u1ee7 t\u1ed1t\u201d g\u00e2y ra t\u00ecnh tr\u1ea1ng thi\u1ebfu h\u1ee5t h\u00e0n.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c \u0111\u1eb7t linh ki\u1ec7n kh\u00f4ng ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 \u201c\u0111\u1eb7t linh ki\u1ec7n v\u00e0o v\u1ecb tr\u00ed \u0111\u00f3.\u201d N\u00f3 \u0111\u1ecbnh h\u00ecnh l\u1edbp keo h\u00e0n trong v\u00e0i mili gi\u00e2y tr\u01b0\u1edbc khi qu\u00e1 tr\u00ecnh h\u00e0n ch\u1ea3y di\u1ec5n ra.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1-placement-force-and-z-height-can-squeeze-paste-away\">1) L\u1ef1c \u0111\u1eb7t v\u00e0 chi\u1ec1u cao Z c\u00f3 th\u1ec3 \u00e9p ch\u1ea5t l\u1ecfng ra ngo\u00e0i.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1ef1c h\u01b0\u1edbng xu\u1ed1ng qu\u00e1 l\u1edbn ho\u1eb7c tham chi\u1ebfu tr\u1ee5c Z kh\u00f4ng ch\u00ednh x\u00e1c c\u00f3 th\u1ec3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>D\u00f9ng c\u00e2y c\u1ea1o \u0111\u1ec3 c\u1ea1o s\u1ea1ch b\u1ed9t<\/strong>&nbsp;t\u1eeb d\u01b0\u1edbi l\u1edbp ch\u00ec<\/li>\n\n\n\n<li>T\u1ea1o ra m\u1ed9t l\u1edbp m\u1ecfng, kh\u00f4ng \u0111\u1ec1u (tr\u00f4ng \u1ed5n t\u1eeb tr\u00ean xu\u1ed1ng, nh\u01b0ng b\u1ecb h\u1ecfng \u1edf ph\u1ea7n g\u00f3t).<\/li>\n\n\n\n<li>G\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng s\u1ee5t l\u00fan nh\u1ecf ho\u1eb7c t\u1ea1o c\u1ea7u \u1edf m\u1ed9t b\u00ean trong khi l\u00e0m thi\u1ebfu h\u1ee5t b\u00ean kia.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1ef1c qu\u00e1 y\u1ebfu c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng: ch\u00ec kh\u00f4ng ti\u1ebfp x\u00fac t\u1ed1t v\u1edbi keo h\u00e0n, qu\u00e1 tr\u00ecnh k\u00edch ho\u1ea1t ch\u1ea5t tr\u1ee3 h\u00e0n tr\u1edf n\u00ean kh\u00f4ng \u0111\u1ec1u v\u00e0 qu\u00e1 tr\u00ecnh th\u1ea5m \u01b0\u1edbt b\u1eaft \u0111\u1ea7u mu\u1ed9n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-offsets-don-t-need-to-be-huge-to-hurt-you\">2) C\u00e1c kho\u1ea3n b\u00f9 tr\u1eeb kh\u00f4ng c\u1ea7n ph\u1ea3i qu\u00e1 l\u1edbn \u0111\u1ec3 g\u00e2y h\u1ea1i cho b\u1ea1n.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t sai l\u1ec7ch nh\u1ecf X\/Y tr\u00ean kho\u1ea3ng c\u00e1ch h\u00e0n nh\u1ecf c\u00f3 th\u1ec3 l\u00e0m cho ch\u00e2n h\u00e0n di chuy\u1ec3n sang ph\u1ea7n vai c\u1ee7a kh\u1ed1i h\u00e0n thay v\u00ec ph\u1ea7n tr\u00ean. Trong qu\u00e1 tr\u00ecnh h\u00e0n l\u1ea1i, l\u1ef1c c\u0103ng b\u1ec1 m\u1eb7t kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng c\u00f3 th\u1ec3 c\u1ee9u v\u00e3n t\u00ecnh hu\u1ed1ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 tr\u00ean c\u00e1c linh ki\u1ec7n n\u1eb7ng ho\u1eb7c c\u00e1c pad c\u00f3 t\u1ef7 l\u1ec7 \u0111\u1ed3ng kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00e0 \u0111\u00fang v\u1eady, \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a v\u1ecb tr\u00ed l\u00e0 quan tr\u1ecdng \u1edf \u0111\u00e2y, nh\u01b0ng c\u0169ng kh\u00f4ng k\u00e9m ph\u1ea7n quan tr\u1ecdng l\u00e0...&nbsp;<strong>\u0110\u1ed9 l\u1eb7p l\u1ea1i<\/strong>,&nbsp;<strong>H\u1ed7 tr\u1ee3 b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n<\/strong>, v\u00e0&nbsp;<strong>Chi\u1ebfn l\u01b0\u1ee3c tham chi\u1ebfu<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t c\u1ee7a b\u1ea1n k\u1ebft h\u1ee3p gi\u1eefa s\u1ea3n ph\u1ea9m m\u1eabu v\u00e0 s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t, \u0111\u00e2y ch\u00ednh l\u00e0 n\u01a1i k\u1ef7 lu\u1eadt quy tr\u00ecnh b\u1ecb ph\u00e1 v\u1ee1. D\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t k\u1ebft h\u1ee3p l\u00e0 kh\u00f3 kh\u0103n h\u01a1n nhi\u1ec1u so v\u1edbi nh\u1eefng g\u00ec m\u1ecdi ng\u01b0\u1eddi th\u1eeba nh\u1eadn. (T\u00f4i \u0111\u00e3 ch\u1ee9ng ki\u1ebfn vi\u1ec7c \u201cth\u00eam m\u1ed9t s\u1ea3n ph\u1ea9m n\u1eefa\u201d bi\u1ebfn m\u1ed9t d\u00e2y chuy\u1ec1n \u1ed5n \u0111\u1ecbnh th\u00e0nh m\u1ed9t c\u1ed7 m\u00e1y h\u1ed7n lo\u1ea1n.)&nbsp;<a href=\"https:\/\/pickandplacemachine.com\/solution\/mixed-smt-lines\/\">Gi\u1ea3i ph\u00e1p d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t SMT k\u1ebft h\u1ee3p<\/a>&nbsp;G\u00f3c nh\u00ecn n\u00e0y \u0111\u00e1ng \u0111\u1ec3 suy ng\u1eabm n\u1ebfu b\u1ea1n s\u1ed1ng trong m\u1ed9t th\u1ef1c t\u1ebf ph\u1ee9c t\u1ea1p v\u00e0 \u0111a d\u1ea1ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"3-nozzle-pickup-and-component-condition-can-fake-you-out\">3) T\u00ecnh tr\u1ea1ng c\u1ee7a v\u00f2i phun, b\u1ed9 thu v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn c\u00f3 th\u1ec3 \u0111\u00e1nh l\u1eeba b\u1ea1n.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ea7u d\u1eabn h\u01a1i cong. \u0110\u1ed9 nh\u1ea1y v\u1edbi \u0111\u1ed9 \u1ea9m kh\u00f4ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u00fang c\u00e1ch. Th\u00e2n linh ki\u1ec7n b\u1ecb bi\u1ebfn d\u1ea1ng. \u0110\u1ea7u v\u00f2i b\u1ecb m\u00f2n. \u00c1p su\u1ea5t ch\u00e2n kh\u00f4ng kh\u00f4ng \u0111\u1ec1u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea5t k\u1ef3 y\u1ebfu t\u1ed1 n\u00e0o trong s\u1ed1 n\u00e0y c\u0169ng c\u00f3 th\u1ec3 khi\u1ebfn th\u00e0nh ph\u1ea7n \u0111\u00f3 g\u1eb7p ph\u1ea3i:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>nghi\u00eang<\/strong><\/li>\n\n\n\n<li><strong>V\u1ea5n \u0111\u1ec1 \u0111\u1ed3ng ph\u1eb3ng<\/strong><\/li>\n\n\n\n<li><strong>Ch\u00ec kh\u00f4ng \u0111\u01b0\u1ee3c tr\u1ed9n v\u00e0o b\u1ed9t nh\u00e3o.<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Sau \u0111\u00f3, b\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c \u201ckh\u00f4ng \u0111\u1ee7\u201d \u1edf m\u1ed9t b\u00ean v\u00e0 \u201ct\u1ed1t\u201d \u1edf b\u00ean kia. \u0110i\u1ec1u n\u00e0y tr\u00f4ng c\u00f3 v\u1ebb ng\u1eabu nhi\u00ean. Nh\u01b0ng th\u1ef1c t\u1ebf kh\u00f4ng ph\u1ea3i v\u1eady.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/pickandplacemachine.com\/wp-admin\/post.php?post=3058&amp;action=edit\"><img decoding=\"async\" width=\"960\" height=\"640\" src=\"https:\/\/pickandplacemachine.com\/wp-content\/uploads\/2026\/02\/SMT-Grease1-1.jpg\" alt=\"M\u1ee1 b\u00f4i tr\u01a1n SMT\" class=\"wp-image-5695\" srcset=\"https:\/\/pickandplacemachine.com\/wp-content\/uploads\/2026\/02\/SMT-Grease1-1.jpg 960w, https:\/\/pickandplacemachine.com\/wp-content\/uploads\/2026\/02\/SMT-Grease1-1-300x200.jpg 300w, https:\/\/pickandplacemachine.com\/wp-content\/uploads\/2026\/02\/SMT-Grease1-1-768x512.jpg 768w, https:\/\/pickandplacemachine.com\/wp-content\/uploads\/2026\/02\/SMT-Grease1-1-18x12.jpg 18w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"a-fast-diagnostic-flow-i-trust-because-it-stops-arguments-\">M\u1ed9t quy tr\u00ecnh ch\u1ea9n \u0111o\u00e1n nhanh m\u00e0 t\u00f4i tin t\u01b0\u1edfng (v\u00ec n\u00f3 gi\u00fap tr\u00e1nh tranh c\u00e3i)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1eebng n\u00f3i. B\u1eaft \u0111\u1ea7u ch\u1ee9ng minh.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>L\u1ea5y d\u1eef li\u1ec7u SPI<\/strong>&nbsp;\u0110\u1ed1i v\u1edbi c\u00e1c kh\u1edbp h\u00e0n b\u1ecb h\u1ecfng v\u00e0 so s\u00e1nh v\u1edbi c\u00e1c kh\u1edbp h\u00e0n t\u1ed1t tr\u00ean c\u00f9ng m\u1ed9t b\u1ea3ng\/t\u1ea5m.<\/li>\n\n\n\n<li><strong>Ki\u1ec3m tra s\u1ef1 c\u0103n ch\u1ec9nh gi\u1eefa b\u1ea3n in v\u00e0 b\u1ea3ng m\u1ea1ch<\/strong>&nbsp;(V\u1ecb tr\u00ed d\u00e1n c\u00f3 th\u1ec3 tr\u00f4ng gi\u1ed1ng nh\u01b0 l\u1ed7i v\u1ecb tr\u00ed sau n\u00e0y).<\/li>\n\n\n\n<li><strong>Ki\u1ec3m tra nh\u1eadt k\u00fd \u0111\u1eb7t h\u00e0ng<\/strong>: \u0111\u1ed9 l\u1ec7ch, g\u00f3c theta, Z, l\u1ef1c (n\u1ebfu c\u00f3), \u0111\u01b0\u1eddng k\u00ednh v\u00f2i phun, l\u00e0n c\u1ea5p li\u1ec7u.<\/li>\n\n\n\n<li><strong>M\u1eb7t c\u1eaft ngang ho\u1eb7c m\u1eb7t c\u1eaft vi m\u00f4<\/strong>&nbsp;M\u1ed9t kh\u1edbp h\u00e0n b\u1ecb h\u1ecfng (th\u1eadm ch\u00ed ch\u1ec9 m\u1ed9t m\u1eabu c\u0169ng c\u00f3 th\u1ec3 k\u1ebft th\u00fac cu\u1ed9c tranh lu\u1eadn).<\/li>\n\n\n\n<li><strong>Ch\u1ec9 x\u00e1c nh\u1eadn sau khi \u0111\u00e3 \u00e1p d\u1ee5ng h\u1ed3 s\u01a1 t\u00e1i ch\u1ea3y.<\/strong>&nbsp;B\u1ea1n \u0111\u00e3 lo\u1ea1i tr\u1eeb nguy\u00ean nh\u00e2n li\u00ean quan \u0111\u1ebfn \u00e2m l\u01b0\u1ee3ng\/ti\u1ebfp x\u00fac.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e2u ng\u1eafn.&nbsp;<strong>D\u1eef li\u1ec7u quy\u1ebft \u0111\u1ecbnh.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"the-fixes-that-actually-move-yield\">C\u00e1c bi\u1ec7n ph\u00e1p kh\u1eafc ph\u1ee5c th\u1ef1c s\u1ef1 mang l\u1ea1i hi\u1ec7u qu\u1ea3<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"paste-print-fixes-that-pay-off-first\">C\u00e1c b\u1ea3n v\u00e1\/in \u1ea5n mang l\u1ea1i hi\u1ec7u qu\u1ea3 ngay l\u1eadp t\u1ee9c<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Si\u1ebft ch\u1eb7t&nbsp;<strong>Chi\u1ebfn l\u01b0\u1ee3c lau khu\u00f4n<\/strong>&nbsp;(T\u1ea7n su\u1ea5t + dung m\u00f4i + th\u1eddi gian lau kh\u00f4)<\/li>\n\n\n\n<li>Phong t\u1ecfa&nbsp;<strong>X\u1eed l\u00fd b\u1ed9t nh\u00e3o<\/strong>Th\u1eddi gian r\u00e3 \u0111\u00f4ng, th\u1eddi gian nh\u00e0o b\u1ed9t, th\u1eddi gian m\u1edf, ki\u1ec3m so\u00e1t \u0111\u1ed9 \u1ea9m<\/li>\n\n\n\n<li>Xem l\u1ea1i&nbsp;<strong>l\u1ed7 m\u1edf khu\u00f4n<\/strong>&nbsp;Tr\u00ean c\u00e1c gia \u0111\u00ecnh pad t\u1ec7 nh\u1ea5t (\u0111\u1eebng \u201ct\u1ed1i \u01b0u h\u00f3a\u201d m\u1ecdi th\u1ee9 c\u00f9ng m\u1ed9t l\u00fac)<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng SPI \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n&nbsp;<strong>\u0110i\u1ec1u ch\u1ec9nh in \u1ea5n theo v\u00f2ng l\u1eb7p k\u00edn<\/strong>&nbsp;(\u00e1p su\u1ea5t, t\u1ed1c \u0111\u1ed9, kho\u1ea3ng c\u00e1ch, khe h\u1edf)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu b\u1ea1n kh\u00f4ng c\u00f3 th\u1eddi gian \u0111\u1ec3 t\u1ef1 m\u00ecnh gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y, t\u00f4i khuy\u00ean b\u1ea1n n\u00ean th\u1eeba nh\u1eadn \u0111i\u1ec1u \u0111\u00f3 v\u00e0 t\u00ecm ki\u1ebfm s\u1ef1 tr\u1ee3 gi\u00fap thay v\u00ec l\u00e3ng ph\u00ed ba tu\u1ea7n \u0111\u1ec3 \u0111o\u00e1n m\u00f2. \u0110\u00f3 ch\u00ednh l\u00e0 \u0111i\u1ec1u&nbsp;<a href=\"https:\/\/pickandplacemachine.com\/solution\/turnkey-smt-line-solutions\/\">Gi\u1ea3i ph\u00e1p d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t SMT tr\u1ecdn g\u00f3i<\/a>&nbsp;D\u00e0nh cho tr\u01b0\u1eddng h\u1ee3p \u0111\u01b0\u1eddng d\u00e2y \u0111ang thua l\u1ed7 n\u1eb7ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"placement-fixes-that-stop-mystery-starvation\">C\u00e1c b\u1ea3n v\u00e1 l\u1ed7i v\u1ecb tr\u00ed gi\u00fap ng\u0103n ch\u1eb7n t\u00ecnh tr\u1ea1ng \u201cm\u1ea5t \u0111i\u1ec7n b\u00ed \u1ea9n\u201d<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110i\u1ec1u ch\u1ec9nh l\u1ea1i&nbsp;<strong>Chi\u1ec1u cao Z<\/strong>&nbsp;v\u00e0 ki\u1ec3m tra b\u1eb1ng b\u1ea3ng th\u1eed nghi\u1ec7m c\u00f3 ki\u1ec3m so\u00e1t<\/li>\n\n\n\n<li>X\u00e1c th\u1ef1c&nbsp;<strong>gh\u1ebf ng\u1ed3i th\u00e0nh ph\u1ea7n<\/strong>&nbsp;Ki\u1ec3m tra v\u1edbi \u0111\u1ed9 ph\u00f3ng \u0111\u1ea1i cao tr\u01b0\u1edbc khi h\u00e0n l\u1ea1i.<\/li>\n\n\n\n<li>Ki\u1ec3m to\u00e1n&nbsp;<strong>M\u00f2n v\u00f2i phun<\/strong>&nbsp;v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh ch\u00e2n kh\u00f4ng (\u0111\u1ed5i nghi ph\u1ea1m, \u0111\u1eebng tranh c\u00e3i)<\/li>\n\n\n\n<li>C\u1ea3i thi\u1ec7n&nbsp;<strong>H\u1ed7 tr\u1ee3 b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n<\/strong>&nbsp;Trong tr\u01b0\u1eddng h\u1ee3p kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac nh\u1ecf v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn l\u1edbn (kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac b\u1ecb h\u1ecfng)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00e0 \u0111\u00e0o t\u1ea1o \u0111\u1ed9i ng\u0169 \u0111\u1ec3 v\u1eadn h\u00e0nh \u0111i\u1ec1u n\u00e0y nh\u01b0 m\u1ed9t h\u1ec7 th\u1ed1ng, kh\u00f4ng ph\u1ea3i l\u00e0 m\u00ea t\u00edn. C\u00e1c \u0111\u1ed9i m\u1ea1nh l\u00e0m \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u0111\u00f3. C\u00e1c \u0111\u1ed9i y\u1ebfu th\u00ec kh\u00f4ng. N\u1ebfu b\u1ea1n c\u1ea7n quy tr\u00ecnh onboarding c\u00f3 c\u1ea5u tr\u00fac, h\u00e3y d\u1ef1a v\u00e0o&nbsp;<a href=\"https:\/\/pickandplacemachine.com\/solution\/training-after-sales-support\/\">\u0110\u00e0o t\u1ea1o v\u00e0 h\u1ed7 tr\u1ee3 sau b\u00e1n h\u00e0ng<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"practical-cheat-sheet-table\">B\u1ea3ng t\u00f3m t\u1eaft h\u01b0\u1edbng d\u1eabn th\u1ef1c h\u00e0nh<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Tri\u1ec7u ch\u1ee9ng b\u1ea1n th\u1ea5y<\/th><th>Nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 c\u00f3 th\u1ec3<\/th><th>V\u1ecb tr\u00ed c\u00f3 th\u1ec3\/nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5<\/th><th>X\u00e1c nh\u1eadn nhanh ch\u00f3ng<\/th><th>C\u00e1ch kh\u1eafc ph\u1ee5c th\u01b0\u1eddng hi\u1ec7u qu\u1ea3<\/th><\/tr><\/thead><tbody><tr><td>M\u1ed9t mi\u1ebfng nh\u1ecf \u1edf m\u1ed9t b\u00ean c\u1ee7a d\u00e2y d\u1eabn.<\/td><td>Dung l\u01b0\u1ee3ng th\u1ea5p tr\u00ean d\u00f2ng s\u1ea3n ph\u1ea9m \u0111\u00f3, v\u1ea5n \u0111\u1ec1 v\u1ec1 c\u01a1 ch\u1ebf m\u1edf \u1ed1ng k\u00ednh.<\/td><td>S\u1ef1 l\u1ec7ch nh\u1eb9 theo tr\u1ee5c X\/Y, \u0111\u1ea7u h\u00e0n ti\u1ebfp x\u00fac v\u1edbi m\u00e9p c\u1ee7a l\u1edbp h\u00e0n.<\/td><td>So s\u00e1nh th\u1ec3 t\u00edch\/di\u1ec7n t\u00edch c\u1ee7a c\u00e1c pad b\u00ean tr\u00e1i v\u00e0 b\u00ean ph\u1ea3i<\/td><td>\u0110i\u1ec1u ch\u1ec9nh k\u00edch th\u01b0\u1edbc l\u1ed7 khu\u00f4n + si\u1ebft ch\u1eb7t gi\u1edbi h\u1ea1n d\u1ecbch chuy\u1ec3n v\u1ecb tr\u00ed<\/td><\/tr><tr><td>S\u1ef1 kh\u00f4ng \u0111\u1ee7 ng\u1eabu nhi\u00ean tr\u00ean c\u00f9ng m\u1ed9t di\u1ec7n t\u00edch tr\u00ean c\u00e1c b\u1ea3ng<\/td><td>Qu\u00e1 tr\u00ecnh kh\u00f4 c\u1ee7a keo d\u00e1n, lau kh\u00f4ng \u0111\u1ec1u, dao \u0111\u1ed9ng \u0111\u1ed9 \u1ea9m<\/td><td>S\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 cao Z, m\u00e0i m\u00f2n v\u00f2i phun, s\u1ef1 bi\u1ebfn \u0111\u1ed5i h\u1ed7 tr\u1ee3 b\u1ea3ng<\/td><td>Xu h\u01b0\u1edbng SPI theo th\u1eddi gian + Ki\u1ec3m tra t\u01b0\u01a1ng quan ID v\u00f2i phun<\/td><td>Qu\u1ea3n l\u00fd x\u1eed l\u00fd keo d\u00e1n + T\u1ea7n su\u1ea5t b\u1ea3o tr\u00ec<\/td><\/tr><tr><td>Kh\u00f4ng \u0111\u1ee7 tr\u00ean b\u01b0\u1edbc r\u0103ng nh\u1ecf<\/td><td>T\u1ef7 l\u1ec7 di\u1ec7n t\u00edch qu\u00e1 th\u1ea5p, c\u00e1c l\u1ed7 nh\u1ecf b\u1ecb t\u1eafc ngh\u1ebdn.<\/td><td>\u0110\u1ed3ng ph\u1eb3ng\/\u0111\u1ed9 nghi\u00eang, gh\u1ebf ng\u1ed3i kh\u00f4ng \u0111\u1ee7 ti\u00eau chu\u1ea9n<\/td><td>SPI cho th\u1ea5y \u0111\u1ed9 bi\u1ebfn thi\u00ean cao + k\u00ednh hi\u1ec3n vi tr\u01b0\u1edbc khi h\u00e0n l\u1ea1i<\/td><td>Thi\u1ebft k\u1ebf l\u1ea1i khu\u00f4n m\u1eabu + X\u00e1c minh Z\/force<\/td><\/tr><tr><td>Tr\u00f4ng \u1ed5n trong AOI, nh\u01b0ng kh\u00f4ng qua \u0111\u01b0\u1ee3c b\u00e0i ki\u1ec3m tra.<\/td><td>\u201c\u0110\u01b0\u1ee3c ch\u1ea5p nh\u1eadn\u201d nh\u01b0ng chi\u1ec1u cao\/h\u00ecnh d\u1ea1ng c\u1ee7a l\u1edbp d\u00e1n th\u1ea5p.<\/td><td>\u0110\u1ea7u n\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t ho\u00e0n to\u00e0n, c\u00f3 \u0111\u1ed9 nghi\u00eang nh\u1eb9.<\/td><td>M\u1eb7t c\u1eaft ngang m\u1ed9t kh\u1edbp<\/td><td>T\u0103ng gi\u1edbi h\u1ea1n quy tr\u00ecnh + c\u1ea3i thi\u1ec7n v\u1ecb tr\u00ed ng\u1ed3i\/ti\u1ebfp x\u00fac<\/td><\/tr><tr><td>S\u1eeda l\u1ed7i \u201cdi chuy\u1ec3n xung quanh\u201d sau khi \u0111i\u1ec1u ch\u1ec9nh l\u1ea1i b\u1ed1 c\u1ee5c.<\/td><td>Nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 kh\u00f4ng ph\u1ea3i l\u00e0 qu\u00e1 tr\u00ecnh t\u00e1i ch\u1ea3y.<\/td><td>Nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 kh\u00f4ng ph\u1ea3i l\u00e0 qu\u00e1 tr\u00ecnh t\u00e1i ch\u1ea3y.<\/td><td>SPI + nh\u1eadt k\u00fd \u0111\u1eb7t ch\u1ed7 hi\u1ec3n th\u1ecb m\u1eabu<\/td><td>Ng\u1eebng ch\u1ea1m v\u00e0o qu\u00e1 tr\u00ecnh t\u00e1i ch\u1ea3y cho \u0111\u1ebfn khi qu\u00e1 tr\u00ecnh in\/\u0111\u1eb7t \u1ed5n \u0111\u1ecbnh.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"faqs-aeo-optimized-\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (\u0110\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho AEO)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e2u 1: C\u00e1c m\u1ed1i h\u00e0n kh\u00f4ng \u0111\u1ee7 l\u00e0 g\u00ec?<\/strong>&nbsp;C\u00e1c m\u1ed1i h\u00e0n kh\u00f4ng \u0111\u1ee7 l\u00e0 c\u00e1c m\u1ed1i h\u00e0n \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh v\u1edbi l\u01b0\u1ee3ng h\u00e0n qu\u00e1 \u00edt ho\u1eb7c \u0111\u1ed9 \u01b0\u1edbt y\u1ebfu, khi\u1ebfn cho ph\u1ea7n h\u00e0n tr\u00f4ng thi\u1ebfu h\u1ee5t v\u00e0 m\u1ed1i h\u00e0n c\u00f3 th\u1ec3 b\u1ecb h\u1edf d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a rung \u0111\u1ed9ng, chu k\u1ef3 nhi\u1ec7t ho\u1eb7c m\u1ed9t l\u1ef1c t\u00e1c \u0111\u1ed9ng nh\u1eb9 trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra, ngay c\u1ea3 khi m\u1ecdi th\u1ee9 kh\u00e1c d\u01b0\u1eddng nh\u01b0 b\u00ecnh th\u01b0\u1eddng. Sau \u0111\u1ecbnh ngh\u0129a \u0111\u00f3, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0: x\u00e1c \u0111\u1ecbnh xem li\u1ec7u l\u01b0\u1ee3ng h\u00e0n (SPI) hay ti\u1ebfp x\u00fac (v\u1ecb tr\u00ed \u0111\u1eb7t) \u0111\u00e3 g\u00e2y ra t\u00ecnh tr\u1ea1ng thi\u1ebfu h\u1ee5t tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh h\u00e0n l\u1ea1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e2u h\u1ecfi 2: T\u1ea1i sao c\u00e1c m\u1ed1i h\u00e0n l\u1ea1i thi\u1ebfu keo h\u00e0n?<\/strong>&nbsp;Hi\u1ec7n t\u01b0\u1ee3ng thi\u1ebfu h\u1ee5t keo h\u00e0n x\u1ea3y ra khi b\u01b0\u1edbc in khu\u00f4n keo h\u00e0n kh\u00f4ng cung c\u1ea5p \u0111\u1ee7 l\u01b0\u1ee3ng keo h\u00e0n ho\u1eb7c h\u00ecnh d\u1ea1ng keo h\u00e0n b\u1ecb bi\u1ebfn d\u1ea1ng, th\u01b0\u1eddng do l\u1ed7 khu\u00f4n b\u1ecb t\u1eafc, gio\u0103ng gi\u1eefa khu\u00f4n v\u00e0 b\u1ea3ng m\u1ea1ch kh\u00f4ng t\u1ed1t, \u00e1p l\u1ef1c\/t\u1ed1c \u0111\u1ed9\/kho\u1ea3ng c\u00e1ch in kh\u00f4ng \u0111\u00fang, ho\u1eb7c keo h\u00e0n b\u1ecb bi\u1ebfn \u0111\u1ed5i \u0111i\u1ec1u ki\u1ec7n (nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u1ea9m, th\u1eddi gian m\u1edf). Sau \u0111\u00f3, h\u1ec7 th\u1ed1ng ki\u1ec3m tra keo h\u00e0n (SPI) ho\u1eb7c kh\u00f4ng ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c l\u1ed7i, ho\u1eb7c gi\u1edbi h\u1ea1n ki\u1ec3m tra qu\u00e1 l\u1ecfng. \u0110\u1ea7u ti\u00ean, c\u1ea7n si\u1ebft ch\u1eb7t quy tr\u00ecnh x\u1eed l\u00fd keo h\u00e0n, chi\u1ebfn l\u01b0\u1ee3c lau ch\u00f9i v\u00e0 ng\u01b0\u1ee1ng SPI cho t\u1eebng lo\u1ea1i pad.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e2u 3: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 kh\u1eafc ph\u1ee5c c\u00e1c m\u1ed1i h\u00e0n kh\u00f4ng \u0111\u1ee7 trong SMT?<\/strong>&nbsp;B\u1ea1n kh\u1eafc ph\u1ee5c c\u00e1c m\u1ed1i h\u00e0n kh\u00f4ng \u0111\u1ee7 b\u1eb1ng c\u00e1ch kh\u00f4i ph\u1ee5c th\u1ec3 t\u00edch keo h\u00e0n ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ea3m b\u1ea3o ti\u1ebfp x\u00fac \u0111\u00e1ng tin c\u1eady gi\u1eefa c\u00e1c linh ki\u1ec7n: s\u1eed d\u1ee5ng SPI \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c pad c\u00f3 th\u1ec3 t\u00edch keo h\u00e0n kh\u00f4ng \u0111\u1ee7, \u0111i\u1ec1u ch\u1ec9nh khu\u00f4n\/l\u1ed7 v\u00e0 th\u00f4ng s\u1ed1 in, sau \u0111\u00f3 ki\u1ec3m tra \u0111\u1ed9 cao Z\/l\u1ef1c \u0111\u1eb7t v\u00e0 \u0111\u1ed9 l\u1eb7p l\u1ea1i X\/Y\/theta \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c ch\u00e2n ho\u1eb7c \u0111\u1ea7u n\u1ed1i th\u1ef1c s\u1ef1 ti\u1ebfp x\u00fac v\u1edbi keo h\u00e0n tr\u01b0\u1edbc khi qu\u00e1 tr\u00ecnh h\u00e0n l\u1ea1i c\u1ed1 \u0111\u1ecbnh m\u1ed1i h\u00e0n. Sau \u0111\u00f3, x\u00e1c nh\u1eadn b\u1eb1ng m\u1ed9t th\u1eed nghi\u1ec7m DOE nh\u1ecf (m\u1ed9t bi\u1ebfn s\u1ed1 t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m) v\u00e0 c\u1ed1 \u0111\u1ecbnh c\u00e1c thi\u1ebft l\u1eadp t\u1ed1i \u01b0u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e2u 4: \u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a qu\u00e1 tr\u00ecnh \u0111\u1eb7t linh ki\u1ec7n c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c m\u1ed1i h\u00e0n kh\u00f4ng \u0111\u1ee7 ch\u1eb7t kh\u00f4ng?<\/strong>&nbsp;\u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a qu\u00e1 tr\u00ecnh \u0111\u1eb7t linh ki\u1ec7n c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c m\u1ed1i h\u00e0n kh\u00f4ng \u0111\u1ee7 khi c\u00e1c sai l\u1ec7ch nh\u1ecf, l\u1ed7i xoay ho\u1eb7c sai s\u00f3t v\u1ec1 chi\u1ec1u cao Z\/l\u1ef1c khi\u1ebfn ch\u00e2n linh ki\u1ec7n ho\u1eb7c \u0111i\u1ec3m k\u1ebft n\u1ed1i kh\u00f4ng n\u1eb1m \u0111\u00fang v\u1ecb tr\u00ed tr\u00ean l\u1edbp keo h\u00e0n, l\u00e0m gi\u1ea3m di\u1ec7n t\u00edch ti\u1ebfp x\u00fac v\u00e0 khi\u1ebfn m\u1ed1i h\u00e0n kh\u00f4ng \u0111\u01b0\u1ee3c cung c\u1ea5p \u0111\u1ee7 keo trong qu\u00e1 tr\u00ecnh h\u00e0n l\u1ea1i. \u0110i\u1ec1u n\u00e0y th\u1ec3 hi\u1ec7n qua s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng gi\u1eefa hai b\u00ean tr\u00ean c\u00f9ng m\u1ed9t linh ki\u1ec7n, th\u01b0\u1eddng k\u00e8m theo th\u1ec3 t\u00edch SPI t\u1ed1t nh\u01b0ng \u0111\u1ed9 b\u00e1m d\u00ednh k\u00e9m. Ki\u1ec3m tra nh\u1eadt k\u00fd \u0111\u1eb7t linh ki\u1ec7n, t\u00ecnh tr\u1ea1ng v\u00f2i phun v\u00e0 h\u1ed7 tr\u1ee3 b\u1ea3ng m\u1ea1ch d\u01b0\u1edbi linh ki\u1ec7n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e2u h\u1ecfi 5: Nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0o trong qu\u00e1 tr\u00ecnh in khu\u00f4n d\u1eabn \u0111\u1ebfn c\u00e1c khuy\u1ebft t\u1eadt m\u1ed1i h\u00e0n nh\u01b0 l\u01b0\u1ee3ng h\u00e0n kh\u00f4ng \u0111\u1ee7?<\/strong>&nbsp;V\u1ea5n \u0111\u1ec1 in khu\u00f4n d\u1eabn \u0111\u1ebfn l\u01b0\u1ee3ng h\u00e0n kh\u00f4ng \u0111\u1ee7 khi vi\u1ec7c gi\u1ea3i ph\u00f3ng l\u1ed7 h\u1ed5ng tr\u1edf n\u00ean kh\u00f4ng \u1ed5n \u0111\u1ecbnh ho\u1eb7c m\u1ee5c ti\u00eau th\u1ec3 t\u00edch gi\u1ea3m, \u0111\u1eb7c bi\u1ec7t l\u00e0 t\u1eeb c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u00f3 t\u1ef7 l\u1ec7 di\u1ec7n t\u00edch th\u1ea5p, gi\u1ea3m l\u1ed7 h\u1ed5ng m\u1ea1nh, l\u1ed7 h\u1ed5ng b\u1ecb t\u1eafc, khu\u00f4n b\u1ecb m\u00f2n, gio\u0103ng k\u00e9m ho\u1eb7c \u0111\u1ed9 nh\u1edbt c\u1ee7a b\u1ed9t h\u00e0n kh\u00f4ng \u1ed5n \u0111\u1ecbnh trong ca l\u00e0m vi\u1ec7c. M\u00f4 h\u00ecnh th\u01b0\u1eddng t\u1eadp trung theo nh\u00f3m pad, kh\u00f4ng ng\u1eabu nhi\u00ean. S\u1eed d\u1ee5ng bi\u1ec3u \u0111\u1ed3 histogram SPI theo lo\u1ea1i footprint, sau \u0111\u00f3 \u0111i\u1ec1u ch\u1ec9nh thi\u1ebft k\u1ebf khu\u00f4n v\u00e0 th\u00f4ng s\u1ed1 in \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh hi\u1ec7u su\u1ea5t chuy\u1ec3n giao.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"conclusion\">K\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu b\u1ea1n \u0111ang g\u1eb7p v\u1ea5n \u0111\u1ec1 v\u1edbi c\u00e1c m\u1ed1i h\u00e0n kh\u00f4ng \u0111\u1ee7 ch\u1ea5t l\u01b0\u1ee3ng, \u0111\u1eebng c\u1ed1 g\u1eafng \u201ctinh ch\u1ec9nh\u201d \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 m\u00e0 l\u1ea1i t\u1ea1o ra v\u1ea5n \u0111\u1ec1 m\u1edbi. H\u00e3y g\u1eedi cho ch\u00fang t\u00f4i d\u1eef li\u1ec7u SPI, nh\u1eadt k\u00fd v\u1ecb tr\u00ed (offset\/Z\/nozzle) v\u00e0 m\u1ed9t s\u1ed1 h\u00ecnh \u1ea3nh l\u1ed7i, v\u00e0 ch\u00fang t\u00f4i s\u1ebd ch\u1ec9 ra n\u01a1i l\u1ed7i \u0111\u01b0\u1ee3c t\u1ea1o ra. B\u1eaft \u0111\u1ea7u t\u1eeb \u0111\u00e2y:&nbsp;<a href=\"https:\/\/pickandplacemachine.com\/contact\/\">Li\u00ean h\u1ec7 v\u1edbi c\u00e1c k\u1ef9 s\u01b0 c\u1ee7a ch\u00fang t\u00f4i<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>H\u1ea7u h\u1ebft c\u00e1c \u201ck\u1ebft n\u1ed1i h\u00e0n kh\u00f4ng \u0111\u1ee7\u201d kh\u00f4ng ph\u1ea3i l\u00e0 v\u1ea5n \u0111\u1ec1 ph\u1ee9c t\u1ea1p trong qu\u00e1 tr\u00ecnh h\u00e0n l\u1ea1i. \u0110\u00f3 l\u00e0 v\u1ea5n \u0111\u1ec1 v\u1ec1 l\u01b0\u1ee3ng keo h\u00e0n k\u1ebft h\u1ee3p v\u1edbi v\u1ea5n \u0111\u1ec1 ti\u1ebfp x\u00fac khi \u0111\u1eb7t linh ki\u1ec7n, v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 ch\u1ee9ng minh \u0111i\u1ec1u \u0111\u00f3 nhanh ch\u00f3ng b\u1eb1ng d\u1eef li\u1ec7u SPI v\u00e0 m\u1ed9t s\u1ed1 ki\u1ec3m tra c\u1ee5 th\u1ec3.<\/p>","protected":false},"author":1,"featured_media":5697,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_gspb_post_css":"","footnotes":""},"categories":[837],"tags":[1069,1016,1072,1070,917,1071],"class_list":["post-5694","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-process-quality","tag-insufficient-solder-joints","tag-pick-and-place-accuracy","tag-reflow-soldering-defects","tag-smt-stencil-issues","tag-solder-paste-printing","tag-spi-solder-paste-inspection"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/pickandplacemachine.com\/vi\/wp-json\/wp\/v2\/posts\/5694","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pickandplacemachine.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pickandplacemachine.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pickandplacemachine.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pickandplacemachine.com\/vi\/wp-json\/wp\/v2\/comments?post=5694"}],"version-history":[{"count":2,"href":"https:\/\/pickandplacemachine.com\/vi\/wp-json\/wp\/v2\/posts\/5694\/revisions"}],"predecessor-version":[{"id":6376,"href":"https:\/\/pickandplacemachine.com\/vi\/wp-json\/wp\/v2\/posts\/5694\/revisions\/6376"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pickandplacemachine.com\/vi\/wp-json\/wp\/v2\/media\/5697"}],"wp:attachment":[{"href":"https:\/\/pickandplacemachine.com\/vi\/wp-json\/wp\/v2\/media?parent=5694"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pickandplacemachine.com\/vi\/wp-json\/wp\/v2\/categories?post=5694"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pickandplacemachine.com\/vi\/wp-json\/wp\/v2\/tags?post=5694"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}