{"id":5819,"date":"2026-03-13T06:09:22","date_gmt":"2026-03-13T06:09:22","guid":{"rendered":"https:\/\/pickandplacemachine.com\/?p=5819"},"modified":"2026-05-19T15:47:07","modified_gmt":"2026-05-19T15:47:07","slug":"lead-coplanarity-problems-adjusting-component-flatness-before-placement","status":"publish","type":"post","link":"https:\/\/pickandplacemachine.com\/vi\/lead-coplanarity-problems-adjusting-component-flatness-before-placement\/","title":{"rendered":"V\u1ea5n \u0111\u1ec1 \u0111\u1ed3ng ph\u1eb3ng c\u1ee7a c\u00e1c linh ki\u1ec7n: \u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 ph\u1eb3ng c\u1ee7a linh ki\u1ec7n tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t"},"content":{"rendered":"

Ba t\u1eeb quan tr\u1ecdng: h\u00ecnh h\u1ecdc tr\u01b0\u1edbc ti\u00ean, lu\u00f4n lu\u00f4n.<\/p>\n\n\n\n

T\u00f4i \u0111\u00e3 ch\u1ee9ng ki\u1ebfn qu\u00e1 nhi\u1ec1u \u0111\u1ed9i SMT \u0111\u1ed5 l\u1ed7i cho \u0111\u1ea7u \u0111\u1eb7t linh ki\u1ec7n, \u00e1p su\u1ea5t ch\u00e2n kh\u00f4ng c\u1ee7a v\u00f2i phun, kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c \u0111\u1ea7u c\u1ea5p li\u1ec7u, ho\u1eb7c h\u1ed3 s\u01a1 h\u00e0n l\u1ea1i khi ch\u00ednh linh ki\u1ec7n \u0111\u00e3 b\u1ecb l\u1ed7i tr\u01b0\u1edbc khi m\u00e1y ti\u1ebfp x\u00fac v\u1edbi n\u00f3. \u0110\u00f3 l\u00e0 ch\u1ea9n \u0111o\u00e1n sai, v\u00e0 ch\u1ea9n \u0111o\u00e1n sai l\u00e0 t\u1ed1n k\u00e9m. Khi m\u1ed9t ch\u00e2n linh ki\u1ec7n d\u1ea1ng c\u00e1nh chim \u0111\u1ebfn trong t\u00ecnh tr\u1ea1ng cong, xo\u1eafn ho\u1eb7c n\u1eb1m ngo\u00e0i m\u1eb7t ph\u1eb3ng l\u1eafp \u0111\u1eb7t d\u1ef1 ki\u1ebfn, m\u00e1y \u0111\u1eb7t linh ki\u1ec7n kh\u00f4ng \u201cgi\u1ea3i quy\u1ebft\u201d v\u1ea5n \u0111\u1ec1. N\u00f3 ch\u1ec9 t\u1ef1 \u0111\u1ed9ng h\u00f3a sai l\u1ea7m nhanh h\u01a1n.<\/p>\n\n\n\n

V\u00e0 \u0111\u00e2y l\u00e0 s\u1ef1 th\u1eadt ph\u0169 ph\u00e0ng. C\u00e0ng ch\u1eb7t ch\u1ebd m\u1ee5c ti\u00eau th\u00f4ng l\u01b0\u1ee3ng c\u1ee7a b\u1ea1n, d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t c\u1ee7a b\u1ea1n c\u00e0ng \u00edt ki\u00ean nh\u1eabn v\u1edbi c\u00e1c chi ti\u1ebft linh ki\u1ec7n kh\u00f4ng ch\u00ednh x\u00e1c. V\u00e0o th\u00e1ng 2 n\u0103m 2024, IPC cho bi\u1ebft 66% nh\u00e0 s\u1ea3n xu\u1ea5t \u0111i\u1ec7n t\u1eed \u0111ang ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi chi ph\u00ed lao \u0111\u1ed9ng t\u0103ng cao v\u00e0 h\u01a1n 44% \u0111ang ch\u1ee9ng ki\u1ebfn chi ph\u00ed nguy\u00ean v\u1eadt li\u1ec7u t\u0103ng, \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 m\u1ed7i l\u1ea7n s\u1eeda ch\u1eefa kh\u00f4ng c\u1ea7n thi\u1ebft s\u1ebd g\u00e2y t\u1ed5n th\u1ea5t l\u1edbn h\u01a1n so v\u1edbi v\u00e0i n\u0103m tr\u01b0\u1edbc. Ph\u1ebf ph\u1ea9m kh\u00f4ng c\u00f2n l\u00e0 v\u1ea5n \u0111\u1ec1 ph\u1ee5; n\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn bi\u00ean l\u1ee3i nhu\u1eadn. B\u1ea3n c\u1eadp nh\u1eadt ng\u00e0nh c\u1ee7a IPC th\u00e1ng 2 n\u0103m 2024<\/a> \u0110i\u1ec1u \u0111\u00f3 kh\u00e1 r\u00f5 r\u00e0ng. (\u0111i\u1ec7n t\u1eed.org<\/a>)<\/p>\n\n\n\n

T\u1ea1i sao s\u1ef1 \u0111\u1ed3ng ph\u1eb3ng c\u1ee7a d\u00e2y d\u1eabn th\u01b0\u1eddng b\u1ecb ch\u1ea9n \u0111o\u00e1n sai?<\/h2>\n\n\n\n

\u0110\u1ed9 \u0111\u1ed3ng ph\u1eb3ng c\u1ee7a c\u00e1c ch\u00e2n linh ki\u1ec7n l\u00e0 s\u1ef1 nh\u1ea5t qu\u00e1n v\u1ec1 chi\u1ec1u cao c\u1ee7a c\u00e1c ch\u00e2n linh ki\u1ec7n so v\u1edbi m\u1eb7t ph\u1eb3ng l\u1eafp \u0111\u1eb7t. N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, t\u1ea5t c\u1ea3 c\u00e1c ch\u00e2n linh ki\u1ec7n c\u1ea7n ti\u1ebfp x\u00fac v\u1edbi keo h\u00e0n khi l\u1eafp \u0111\u1eb7t ph\u1ea3i c\u00f3 chi\u1ec1u cao v\u00e0 g\u00f3c nghi\u00eang t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u1ed3ng \u0111\u1ec1u, kh\u00f4ng b\u1ecb l\u1ec7ch l\u1ea1c, cong v\u00eanh ho\u1eb7c n\u00e2ng l\u00ean m\u1ed9t ph\u1ea7n. \u0110i\u1ec1u n\u00e0y nghe c\u00f3 v\u1ebb hi\u1ec3n nhi\u00ean. Nh\u01b0ng th\u1ef1c t\u1ebf kh\u00f4ng ph\u1ea3i v\u1eady. Tr\u00ean c\u00e1c d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t b\u1eadn r\u1ed9n, ng\u01b0\u1eddi ta th\u01b0\u1eddng ph\u00e1t hi\u1ec7n tri\u1ec7u ch\u1ee9ng mu\u1ed9n v\u00e0 x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n sai s\u1edbm.<\/p>\n\n\n\n

V\u1eady th\u00ec \u0111i\u1ec1u g\u00ec x\u1ea3y ra? M\u1ed9t ph\u1ea7n \u0111\u01b0\u1ee3c \u0111\u1eb7t v\u00e0o v\u1ecb tr\u00ed. Th\u1eadm ch\u00ed n\u00f3 tr\u00f4ng \u201c\u0111\u1ee7 g\u1ea7n\u201d trong 2D. Sau \u0111\u00f3, m\u1ed9t g\u00f3c b\u1ecb n\u1ed5i l\u00ean, m\u1ed9t \u0111\u1ea7u ng\u00f3n ch\u00e2n ch\u1ec9 ch\u1ea1m nh\u1eb9, ho\u1eb7c c\u01a1 th\u1ec3 nghi\u00eang trong qu\u00e1 tr\u00ecnh t\u00e1i ch\u1ea3y. L\u1ed7i xu\u1ea5t hi\u1ec7n \u1edf giai \u0111o\u1ea1n sau, nh\u01b0ng nguy\u00ean nh\u00e2n b\u1eaft ngu\u1ed3n t\u1eeb giai \u0111o\u1ea1n tr\u01b0\u1edbc.<\/p>\n\n\n\n

Th\u00e1ng 1 n\u0103m 2024 B\u1ea3n h\u01b0\u1edbng d\u1eabn \u1ee9ng d\u1ee5ng c\u1ee7a Melexis v\u1ec1 l\u1eafp r\u00e1p SMT<\/a> N\u00f3 r\u1ea5t th\u1eb3ng th\u1eafn v\u1ec1 v\u1ea5n \u0111\u1ec1 n\u00e0y: n\u00f3 li\u00ean k\u1ebft \u0111\u1ed9 \u0111\u1ed3ng ph\u1eb3ng v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng h\u00e0n v\u00e0 \u0111\u1ed9 nghi\u00eang d\u1ecdc cu\u1ed1i c\u00f9ng, tham chi\u1ebfu \u0111\u1ebfn JESD22-B108 \u0111\u1ec3 \u0111o \u0111\u1ed9 \u0111\u1ed3ng ph\u1eb3ng, v\u00e0 kh\u1eb3ng \u0111\u1ecbnh r\u1eb1ng s\u1ef1 bi\u1ebfn \u0111\u1ed5i g\u00f3c u\u1ed1n c\u1ee7a ch\u00e2n h\u00e0n l\u00e0 y\u1ebfu t\u1ed1 ch\u00ednh. N\u00f3 c\u0169ng l\u01b0u \u00fd m\u1ed9t quy t\u1eafc thi\u1ebft k\u1ebf th\u1ef1c t\u1ebf m\u00e0 h\u1ea7u h\u1ebft c\u00e1c nh\u00e0 \u0111i\u1ec1u h\u00e0nh kh\u00f4ng bao gi\u1edd nghe th\u1ea5y tr\u00ean th\u1ef1c t\u1ebf: g\u00f3c u\u1ed1n c\u1ee7a ch\u00e2n h\u00e0n ph\u1ea3i \u00edt nh\u1ea5t 90\u00b0 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ti\u1ebfp x\u00fac \u0111\u00fang v\u1edbi b\u1ed9t h\u00e0n in, v\u1edbi \u0111\u1ed9 d\u00e0y b\u1ed9t h\u00e0n \u0111\u01b0\u1ee3c tr\u00edch d\u1eabn l\u00e0 6 mil, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 152 \u03bcm, trong v\u00ed d\u1ee5 \u0111\u00f3. (Melexis<\/a>)<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao t\u00f4i kh\u00f4ng th\u00edch c\u1ee5m t\u1eeb \u201cs\u1ef1 bi\u1ebfn d\u1ea1ng nh\u1ecf c\u1ee7a \u0111\u1ea7u h\u00e0n\u201d. Nh\u1ecf so v\u1edbi ai? So v\u1edbi ng\u01b0\u1eddi mua \u0111ang xem c\u00e1c khay? C\u00f3 th\u1ec3. So v\u1edbi m\u1ed1i h\u00e0n gi\u1edd \u0111\u00e2y c\u00f3 \u00e1p l\u1ef1c ti\u1ebfp x\u00fac ban \u0111\u1ea7u kh\u00f4ng \u0111\u1ec1u v\u00e0 h\u00ecnh d\u1ea1ng \u01b0\u1edbt kh\u00f4ng \u1ed5n \u0111\u1ecbnh? Ho\u00e0n to\u00e0n kh\u00f4ng nh\u1ecf ch\u00fat n\u00e0o.<\/p>\n\n\n\n

\"M\u00e1y<\/a><\/figure>\n\n\n\n

Nh\u1eefng b\u1eb1ng ch\u1ee9ng g\u1ea7n \u0111\u00e2y cho th\u1ea5y \u0111i\u1ec1u g\u00ec v\u1ec1 v\u1ea5n \u0111\u1ec1 n\u00e0y?<\/h2>\n\n\n\n

\u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 n\u1ed7i lo l\u1eafng ki\u1ec3u c\u0169 v\u1ec1 SMT. V\u1ecf b\u1ecdc \u0111ang tr\u1edf n\u00ean d\u00e0y \u0111\u1eb7c h\u01a1n, nh\u1ecf g\u1ecdn h\u01a1n v\u00e0 \u00edt dung sai h\u01a1n. M\u1ed9t b\u00e0i \u0111\u00e1nh gi\u00e1 n\u0103m 2024 do c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u bao g\u1ed3m Duane Boning c\u1ee7a MIT th\u1ef1c hi\u1ec7n cho bi\u1ebft, v\u1ecf b\u1ecdc m\u1eadt \u0111\u1ed9 cao \u0111ang t\u1ea1o ra c\u00e1c v\u1ea5n \u0111\u1ec1 m\u1edbi v\u1ec1 hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a v\u1ecf b\u1ecdc, v\u00e0 r\u1eb1ng \u0111\u1ed9 tin c\u1eady \u0111\u00e3 tr\u1edf th\u00e0nh \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u trong c\u00e1c th\u1ecb tr\u01b0\u1eddng \u00f4 t\u00f4, c\u00f4ng nghi\u1ec7p v\u00e0 \u0111\u00e1m m\u00e2y. \u0110i\u1ec1u \u0111\u00f3 n\u00ean l\u00e0m m\u1ecdi ng\u01b0\u1eddi th\u1ee9c t\u1ec9nh. V\u1ecf b\u1ecdc kh\u00f4ng c\u00f2n l\u00e0 m\u1ed9t h\u1ed9p b\u1ecb \u0111\u1ed9ng bao quanh silicon; n\u00f3 \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t bi\u1ebfn s\u1ed1 n\u0103ng su\u1ea5t t\u00edch c\u1ef1c. C\u00e1c xu h\u01b0\u1edbng hi\u1ec7n \u0111\u1ea1i trong ki\u1ec3m tra \u0111\u1ed9 tin c\u1eady c\u1ee7a \u0111\u00f3ng g\u00f3i vi \u0111i\u1ec7n t\u1eed<\/a> n\u00f3i m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng nh\u01b0 v\u1eady. (MDPI<\/a>)<\/p>\n\n\n\n

NIST c\u0169ng \u0111\u00e3 \u0111\u1ec1 c\u1eadp \u0111i\u1ec1u t\u01b0\u01a1ng t\u1ef1 trong b\u00e1o c\u00e1o phi\u00ean h\u1ecdp \u0111\u1eb7c bi\u1ec7t ECTC n\u0103m 2024: \u0111o l\u01b0\u1eddng \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong \u0111\u00f3ng g\u00f3i v\u00e0 l\u1eafp r\u00e1p, v\u00e0 c\u1ea7n c\u00f3 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111o l\u01b0\u1eddng t\u1ed1t h\u01a1n \u0111\u1ec3 h\u1ed7 tr\u1ee3 ch\u1ea5t l\u01b0\u1ee3ng, n\u0103ng su\u1ea5t v\u00e0 hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t. T\u00f4i \u0111\u1ed3ng \u00fd. B\u1ecf qua nh\u1eefng \u00fd ki\u1ebfn tr\u00e1i chi\u1ec1u, \u0111\u00e2y ch\u00ednh l\u00e0 v\u1ea5n \u0111\u1ec1 c\u1ed1t l\u00f5i: c\u00e1c nh\u00e0 m\u00e1y coi \u0111o l\u01b0\u1eddng h\u00ecnh h\u1ecdc l\u00e0 t\u00f9y ch\u1ecdn \u0111ang \u0111\u1eb7t c\u01b0\u1ee3c v\u00e0o n\u0103ng su\u1ea5t d\u1ef1a tr\u00ean hy v\u1ecdng. B\u00e1o c\u00e1o n\u0103m 2024 c\u1ee7a NIST v\u1ec1 \u0111o l\u01b0\u1eddng vi \u0111i\u1ec7n t\u1eed<\/a> Li\u00ean k\u1ebft tr\u1ef1c ti\u1ebfp vi\u1ec7c \u0111o l\u01b0\u1eddng v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c, \u0111\u1ed9 tin c\u1eady, n\u0103ng su\u1ea5t v\u00e0 hi\u1ec7u qu\u1ea3. (Vi\u1ec7n Ti\u00eau chu\u1ea9n v\u00e0 C\u00f4ng ngh\u1ec7 Qu\u1ed1c gia (NIST)<\/a>)<\/p>\n\n\n\n

V\u00e0 \u1edf \u0111\u00e2y c\u0169ng c\u00f3 m\u1ed9t t\u00edn hi\u1ec7u th\u1ef1c t\u1ebf t\u1eeb ph\u00eda nh\u00e0 s\u1ea3n xu\u1ea5t. N\u0103m 2024, Intel \u0111\u00e3 \u0111i\u1ec1u ch\u1ec9nh c\u00e1c gi\u00e1 tr\u1ecb coplanarity v\u00e0 \u0111\u1ed9 ph\u1eb3ng trong nhi\u1ec1u b\u1ea3n v\u1ebd c\u01a1 kh\u00ed c\u1ee7a g\u00f3i s\u1ea3n ph\u1ea9m, bao g\u1ed3m b\u1ea3n v\u1ebd g\u00f3i N15168 v\u00e0 b\u1ea3n v\u1ebd N33898. T\u00f4i hi\u1ec3u \u0111i\u1ec1u n\u00e0y l\u00e0 m\u1ed9t th\u1ef1c t\u1ebf k\u1ef9 thu\u1eadt \u0111ang di\u1ec5n ra, kh\u00f4ng ph\u1ea3i l\u00e0 th\u00f4ng s\u1ed1 t\u0129nh trong catalog: gi\u1edbi h\u1ea1n coplanarity c\u1ee7a g\u00f3i s\u1ea3n ph\u1ea9m v\u1eabn \u0111ang \u0111\u01b0\u1ee3c ho\u00e0n thi\u1ec7n v\u00ec y\u1ebfu t\u1ed1 n\u00e0y c\u00f3 \u00fd ngh\u0129a trong \u0111i\u1ec1u ki\u1ec7n l\u1eafp r\u00e1p th\u1ef1c t\u1ebf. \u0110\u00f3 l\u00e0 m\u1ed9t suy lu\u1eadn, \u0111\u00fang v\u1eady, nh\u01b0ng l\u00e0 m\u1ed9t suy lu\u1eadn c\u00f3 c\u01a1 s\u1edf. B\u1ea3n v\u1ebd g\u00f3i s\u1ea3n ph\u1ea9m Intel N15168<\/a> Hi\u1ec3n th\u1ecb b\u1ea3n c\u1eadp nh\u1eadt n\u0103m 2024 v\u1ec1 \u0111\u1ed9 \u0111\u1ed3ng ph\u1eb3ng c\u1ee7a c\u00e1c b\u00f3ng BGA v\u00e0 \u0111\u1ed9 ph\u1eb3ng m\u1eb7t d\u01b0\u1edbi, v\u00e0 B\u1ea3n v\u1ebd g\u00f3i s\u1ea3n ph\u1ea9m Intel N33898<\/a> C\u0169ng hi\u1ec3n th\u1ecb c\u00e1c s\u1eeda \u0111\u1ed5i li\u00ean quan \u0111\u1ebfn coplanarity cho n\u0103m 2024. (cdrdv2-public.intel.com<\/a>)<\/p>\n\n\n\n

N\u01a1i \u0111\u1ed9 ph\u1eb3ng c\u1ee7a linh ki\u1ec7n th\u1ef1c s\u1ef1 b\u1ecb m\u1ea5t tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t.<\/h2>\n\n\n\n

Kh\u00f4ng \u1edf m\u1ed9t n\u01a1i. \u0110\u00f3 l\u00e0 v\u1ea5n \u0111\u1ec1.<\/p>\n\n\n\n

Th\u1ec9nh tho\u1ea3ng, h\u01b0 h\u1ecfng b\u1eaft \u0111\u1ea7u t\u1eeb kh\u00e2u \u0111\u00f3ng g\u00f3i v\u00e0 v\u1eadn chuy\u1ec3n. H\u00ecnh d\u1ea1ng t\u00fai b\u0103ng d\u00ednh kh\u00f4ng \u0111\u00fang. \u00c1p l\u1ef1c x\u1ebfp ch\u1ed3ng khay qu\u00e1 cao. Ki\u1ec3m so\u00e1t \u0111\u1ed9 \u1ea9m b\u1ecb b\u1ecf qua, sau \u0111\u00f3 ai \u0111\u00f3 h\u00e0n c\u00e1c b\u1ed9 ph\u1eadn kh\u00f4ng \u0111\u00fang c\u00e1ch v\u00e0 g\u00e2y ra bi\u1ebfn d\u1ea1ng c\u01a1 h\u1ecdc. Th\u1ec9nh tho\u1ea3ng, quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ee7a nh\u00e0 cung c\u1ea5p b\u1ecb l\u1ec7ch. Th\u1ec9nh tho\u1ea3ng, ki\u1ec3m tra \u0111\u1ea7u v\u00e0o qu\u00e1 s\u01a1 s\u00e0i v\u00e0 m\u1ed9t l\u00f4 s\u1ea3n ph\u1ea9m c\u00f3 ch\u00e2n h\u00e0n cong l\u1ecdt qua v\u00ec k\u00edch th\u01b0\u1edbc m\u1eabu \u0111\u01b0\u1ee3c ch\u1ecdn d\u1ef1a tr\u00ean t\u1ed1c \u0111\u1ed9, kh\u00f4ng ph\u1ea3i r\u1ee7i ro.<\/p>\n\n\n\n

V\u00e0 \u0111\u00fang v\u1eady, \u0111\u00f4i khi ch\u00ednh \u0111\u1ed9i ng\u0169 c\u1ee7a b\u1ea1n l\u00e0 nguy\u00ean nh\u00e2n. X\u1eed l\u00fd th\u1ee7 c\u00f4ng. H\u01b0 h\u1ecfng m\u1ed9t ph\u1ea7n cu\u1ed9n d\u00e2y. L\u1eafp r\u00e1p l\u1ea1i kh\u00f4ng \u0111\u00fang c\u00e1ch. T\u1ea3i b\u1ed9 c\u1ea5p li\u1ec7u kh\u00f4ng thu\u1eadn ti\u1ec7n. Qu\u00e1 t\u1ef1 tin v\u00e0o vi\u1ec7c \u201cn\u00f3 s\u1ebd t\u1ef1 \u0111i\u1ec1u ch\u1ec9nh trong qu\u00e1 tr\u00ecnh h\u00e0n l\u1ea1i\u201d. N\u00f3 s\u1ebd kh\u00f4ng. Kh\u00f4ng \u0111\u00e1ng tin c\u1eady.<\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi c\u00e1c g\u00f3i gull wing, v\u00f9ng nguy hi\u1ec3m tr\u1edf n\u00ean r\u00f5 r\u00e0ng ngay khi b\u1ea1n b\u1eaft \u0111\u1ea7u t\u00ecm ki\u1ebfm n\u00f3: s\u1ef1 bi\u1ebfn \u0111\u1ed5i chi\u1ec1u cao m\u0169i ch\u00ec, h\u00ecnh d\u1ea1ng g\u00f3t kh\u00f4ng \u0111\u1ec1u, g\u00f3c b\u1ecb cong, th\u00e2n xe b\u1ecb nghi\u00eang v\u00e0 t\u01b0 th\u1ebf kh\u00f4ng \u0111\u1ed1i x\u1ee9ng tr\u00ean m\u1eb7t ph\u1eb3ng gh\u1ebf ng\u1ed3i. \u0110\u1ed1i v\u1edbi QFPs v\u00e0 g\u00f3i ngu\u1ed3n, m\u1ed9t h\u00e0ng ch\u00ec c\u00f3 th\u1ec3 tr\u00f4ng ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c t\u1eeb m\u1ed9t g\u00f3c nh\u00ecn nh\u01b0ng v\u1eabn sai trong kh\u00f4ng gian ba chi\u1ec1u. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao m\u1ed9t c\u00e1ch nghi\u00eam t\u00fac H\u1ec7 th\u1ed1ng ki\u1ec3m tra SMT<\/a> H\u00e3y \u0111\u1ea3m b\u1ea3o m\u00e1y in ho\u1ea1t \u0111\u1ed9ng t\u1ed1t tr\u01b0\u1edbc khi b\u1ea1n \u0111\u1ed5 l\u1ed7i cho vi\u1ec7c c\u0103n ch\u1ec9nh m\u00e1y in ho\u1eb7c m\u00f2n v\u00f2i phun.<\/p>\n\n\n\n

T\u00f4i s\u1ebd \u0111i xa h\u01a1n. N\u1ebfu quy tr\u00ecnh thi\u1ebft l\u1eadp d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t c\u1ee7a b\u1ea1n v\u1eabn ph\u1ee5 thu\u1ed9c nhi\u1ec1u v\u00e0o kh\u1ea3 n\u0103ng quan s\u00e1t c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh h\u01a1n l\u00e0 c\u00e1c ki\u1ec3m tra h\u00ecnh h\u1ecdc \u0111\u1ecbnh l\u01b0\u1ee3ng, th\u00ec b\u1ea1n kh\u00f4ng \u0111ang \u00e1p d\u1ee5ng m\u1ed9t quy tr\u00ecnh ki\u1ec3m so\u00e1t hi\u1ec7n \u0111\u1ea1i. B\u1ea1n \u0111ang l\u00e0m vi\u1ec7c theo c\u00e1ch t\u00f9y ti\u1ec7n.<\/p>\n\n\n\n

\"M\u00e1y<\/a><\/figure>\n\n\n\n

C\u1ea7n \u0111i\u1ec1u ch\u1ec9nh nh\u1eefng g\u00ec tr\u01b0\u1edbc khi v\u00f2i phun h\u1ea1 xu\u1ed1ng?<\/h2>\n\n\n\n

T\u00f4i kh\u00f4ng tin v\u00e0o m\u1ed9t gi\u1ea3i ph\u00e1p th\u1ea7n k\u1ef3 duy nh\u1ea5t \u1edf \u0111\u00e2y. T\u00f4i tin v\u00e0o s\u1ef1 k\u1ef7 lu\u1eadt nh\u00e0m ch\u00e1n. Lo\u1ea1i k\u1ef7 lu\u1eadt gi\u00fap ti\u1ebft ki\u1ec7m ti\u1ec1n.<\/p>\n\n\n\n

\u0110\u1ea7u ti\u00ean, si\u1ebft ch\u1eb7t c\u00e1c ti\u00eau ch\u00ed \u0111\u1ea7u v\u00e0o theo gia \u0111\u00ecnh g\u00f3i. Kh\u00f4ng s\u1eed d\u1ee5ng m\u1ed9t logic ch\u1ea5p nh\u1eadn\/t\u1eeb ch\u1ed1i chung cho c\u00e1c g\u00f3i SOIC, QFP, SOT, g\u00f3i c\u00e1nh chim h\u00ecnh d\u1ea1ng \u0111\u1eb7c bi\u1ec7t v\u00e0 c\u00e1c g\u00f3i c\u1ea3m bi\u1ebfn chuy\u00ean d\u1ee5ng. C\u00e1c ch\u1ebf \u0111\u1ed9 h\u00ecnh h\u1ecdc kh\u00e1c nhau, do \u0111\u00f3 c\u00e1c quy t\u1eafc ki\u1ec3m tra c\u0169ng ph\u1ea3i kh\u00e1c nhau.<\/p>\n\n\n\n

Th\u1ee9 hai, ph\u00e2n bi\u1ec7t bi\u1ebfn d\u1ea1ng th\u1ea9m m\u1ef9 v\u1edbi bi\u1ebfn d\u1ea1ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng h\u00e0n. M\u1ed9t v\u1ebft tr\u1ea7y x\u01b0\u1edbc tr\u00ean b\u1ec1 m\u1eb7t l\u00e0 m\u1ed9t chuy\u1ec7n. S\u1ef1 thay \u0111\u1ed5i g\u00f3c c\u1ee7a ch\u00e2n h\u00e0n l\u00e0m thay \u0111\u1ed5i ti\u1ebfp x\u00fac v\u1edbi keo h\u00e0n l\u00e0 m\u1ed9t chuy\u1ec7n kh\u00e1c. T\u00e0i li\u1ec7u c\u1ee7a Melexis h\u1eefu \u00edch v\u00ec n\u00f3 bu\u1ed9c ph\u1ea3i ph\u00e2n bi\u1ec7t r\u00f5 r\u00e0ng hai y\u1ebfu t\u1ed1 n\u00e0y v\u00e0 li\u00ean k\u1ebft s\u1ef1 bi\u1ebfn \u0111\u1ed5i g\u00f3c v\u1edbi h\u00e0nh vi h\u00e0n th\u1ef1c t\u1ebf. (Melexis<\/a>)<\/p>\n\n\n\n

Th\u1ee9 ba, ki\u1ec3m tra \u0111\u1ed9 ph\u1eb3ng c\u1ee7a th\u00e2n v\u00e0 v\u1ecb tr\u00ed ch\u00e2n linh ki\u1ec7n tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t khi gia \u0111\u00ecnh linh ki\u1ec7n c\u00f3 l\u1ecbch s\u1eed \u0111\u00e3 bi\u1ebft v\u1ec1 ch\u00e2n linh ki\u1ec7n b\u1ecb cong, khay b\u1ecb bi\u1ebfn d\u1ea1ng ho\u1eb7c kho\u1ea3ng c\u00e1ch v\u1eadn chuy\u1ec3n d\u00e0i. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u0111\u01a1n gi\u1ea3n nh\u01b0 t\u0103ng c\u01b0\u1eddng ki\u1ec3m tra \u0111\u1ea7u v\u00e0o cho c\u00e1c \u0111\u01a1n h\u00e0ng c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng nh\u1ecf, ho\u1eb7c c\u00f3 c\u1ea5u tr\u00fac nh\u01b0 c\u00e1c c\u1ed5ng ki\u1ec3m tra h\u00ecnh \u1ea3nh tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t trong c\u00e1c d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn.<\/p>\n\n\n\n

Th\u1ee9 t\u01b0, \u0111\u1eebng gi\u1ea3 v\u1edd r\u1eb1ng b\u1ea3o tr\u00ec v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng l\u00e0 hai v\u1ea5n \u0111\u1ec1 ri\u00eang bi\u1ec7t. C\u00e1c b\u1ed9 ph\u1eadn c\u01a1 kh\u00ed b\u1ecb m\u00f2n s\u1ebd l\u00e0m cho c\u00e1c b\u1ed9 ph\u1eadn \u1edf m\u1ee9c gi\u1edbi h\u1ea1n tr\u00f4ng t\u1ec7 h\u01a1n. M\u1ed9t \u0111\u1ea7u in l\u1ec7ch, ki\u1ec3m tra \u0111\u1ed9 cao Z kh\u00f4ng nh\u1ea5t qu\u00e1n, ch\u00e2n kh\u00f4ng y\u1ebfu ho\u1eb7c b\u1ed9 c\u1ea5p li\u1ec7u b\u1ecb k\u1eb9t s\u1ebd l\u00e0m tr\u1ea7m tr\u1ecdng th\u00eam h\u00e0nh vi c\u1ee7a m\u1ed9t b\u1ed9 ph\u1eadn k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao t\u00f4i mu\u1ed1n c\u00e1c nh\u00e0 m\u00e1y k\u1ebft h\u1ee3p Ngu\u1ed3n l\u1ef1c ch\u1ea5t l\u01b0\u1ee3ng quy tr\u00ecnh<\/a> v\u1edbi \u0111\u00fang c\u00e1ch \u0110\u00e0o t\u1ea1o v\u00e0 h\u1ed7 tr\u1ee3 sau b\u00e1n h\u00e0ng<\/a> Thay v\u00ec t\u1eadp trung v\u00e0o vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh t\u1eebng m\u00e1y ri\u00eang l\u1ebb.<\/p>\n\n\n\n

Th\u1ee9 n\u0103m, bi\u1ebft khi n\u00e0o c\u1ea7n c\u00e1ch ly. N\u1ebfu m\u1ed9t l\u00f4 s\u1ea3n ph\u1ea9m cho th\u1ea5y s\u1ef1 l\u1ec7ch pha \u0111\u1ed3ng tr\u1ee5c c\u00f3 h\u1ec7 th\u1ed1ng, \u0111\u1eebng \u0111\u1ec3 \u201cs\u1ea3n xu\u1ea5t t\u1ef1 quy\u1ebft \u0111\u1ecbnh\u201d. H\u00e3y c\u00e1ch ly n\u00f3. Ki\u1ec3m tra l\u1ecbch s\u1eed l\u00f4 h\u00e0ng c\u1ee7a nh\u00e0 cung c\u1ea5p. So s\u00e1nh h\u00e0nh vi c\u1ee7a cu\u1ed9n, khay v\u00e0 m\u00e3 ng\u00e0y. Sau \u0111\u00f3 quy\u1ebft \u0111\u1ecbnh xem vi\u1ec7c t\u00e1i ch\u1ebf, ki\u1ec3m tra l\u1ea1i ho\u1eb7c t\u1eeb ch\u1ed1i c\u00f3 h\u1ee3p l\u00fd hay kh\u00f4ng.<\/p>\n\n\n\n

B\u1ea3ng quy\u1ebft \u0111\u1ecbnh tr\u01b0\u1edbc khi b\u1ed1 tr\u00ed c\u00f4ng vi\u1ec7c th\u1ef1c ti\u1ec5n<\/h2>\n\n\n\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 khung s\u01b0\u1eddn m\u00e0 t\u00f4i s\u1ebd s\u1eed d\u1ee5ng tr\u00ean s\u00e0n th\u1ef1c t\u1ebf.<\/p>\n\n\n\n

T\u00ecnh tr\u1ea1ng \u0111\u01b0\u1ee3c quan s\u00e1t tr\u01b0\u1edbc khi \u0111\u1eb7t<\/th>Nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 c\u00f3 kh\u1ea3 n\u0103ng cao nh\u1ea5t<\/th>H\u00e0nh \u0111\u1ed9ng ngay l\u1eadp t\u1ee9c<\/th>B\u01b0\u1edbc ti\u1ebfp theo th\u00f4ng minh<\/th><\/tr><\/thead>
M\u1ed9t g\u00f3c d\u1eabn \u0111\u01b0\u1ee3c n\u00e2ng l\u00ean tr\u00ean g\u00f3i c\u00e1nh chim h\u1ea3i \u00e2u<\/td>S\u1ef1 tr\u00f4i d\u1ea1t c\u1ee7a khu\u00f4n ch\u00ec ho\u1eb7c h\u01b0 h\u1ecfng do x\u1eed l\u00fd<\/td>Ng\u1eebng s\u1eed d\u1ee5ng khu v\u1ef1c n\u00e0y cho vi\u1ec7c \u0111\u1eb7t t\u1ef1 \u0111\u1ed9ng.<\/td>So s\u00e1nh m\u1eabu gi\u1eefa c\u00e1c v\u1ecb tr\u00ed cu\u1ed9n\/khay; b\u00e1o c\u00e1o l\u00ean nh\u00e0 cung c\u1ea5p.<\/td><\/tr>
To\u00e0n b\u1ed9 g\u00f3i s\u1ea3n ph\u1ea9m ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra gh\u1ebf ng\u1ed3i.<\/td>S\u1ef1 bi\u1ebfn d\u1ea1ng c\u1ee7a th\u00e2n ho\u1eb7c h\u00e0ng ch\u00ec kh\u00f4ng \u0111\u1ec1u<\/td>Gi\u1eef l\u00f4 h\u00e0ng v\u00e0 ki\u1ec3m tra b\u1eb1ng thi\u1ebft b\u1ecb quan s\u00e1t ho\u1eb7c thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng.<\/td>Th\u00eam quy tr\u00ecnh ki\u1ec3m tra \u0111\u1ea7u v\u00e0o nghi\u00eam ng\u1eb7t h\u01a1n cho nh\u00f3m s\u1ea3n ph\u1ea9m \u0111\u00f3.<\/td><\/tr>
L\u1eadt l\u1ea1i sau khi \u0111\u1eb7t tr\u00ean c\u00f9ng m\u1ed9t d\u00f2ng thi\u1ebft b\u1ecb<\/td>\u0110\u1ed3ng ph\u1eb3ng c\u1ed9ng v\u1edbi ki\u1ec3m so\u00e1t z bi\u00ean<\/td>Ki\u1ec3m tra h\u00ecnh d\u1ea1ng chi ti\u1ebft tr\u01b0\u1edbc, sau \u0111\u00f3 ki\u1ec3m tra \u0111\u1ed9 l\u1eb7p l\u1ea1i theo tr\u1ee5c Z.<\/td>Ki\u1ec3m tra hi\u1ec7u chu\u1ea9n \u0111\u1ea7u v\u00e0 c\u00f4ng th\u1ee9c c\u1ee5 th\u1ec3 cho t\u1eebng g\u00f3i s\u1ea3n ph\u1ea9m.<\/td><\/tr>
M\u00e1y in ho\u1ea1t \u0111\u1ed9ng gi\u00e1n \u0111o\u1ea1n sau khi t\u00e1i nung, trong khi qu\u00e1 tr\u00ecnh in \u1ea5n v\u1eabn \u1ed5n \u0111\u1ecbnh.<\/td>Ti\u1ebfp x\u00fac ban \u0111\u1ea7u kh\u00f4ng \u0111\u1ec1u gi\u1eefa ch\u00ec v\u00e0 b\u1ed9t nh\u00e3o<\/td>Ki\u1ec3m tra g\u00f3c nghi\u00eang v\u00e0 h\u00e0nh vi c\u1ee7a m\u1eb7t ph\u1eb3ng gh\u1ebf<\/td>Ki\u1ec3m tra ch\u00e9o v\u1edbi d\u1eef li\u1ec7u xu h\u01b0\u1edbng AOI\/SPI<\/td><\/tr>
V\u1ea5n \u0111\u1ec1 ch\u1ec9 xu\u1ea5t hi\u1ec7n tr\u00ean c\u00e1c cu\u1ed9n phim \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef l\u00e2u ng\u00e0y.<\/td>L\u01b0u tr\u1eef, \u0111\u1ed9 \u1ea9m ho\u1eb7c \u00e1p l\u1ef1c \u0111\u00f3ng g\u00f3i<\/td>T\u00e1ch bi\u1ec7t h\u00e0ng t\u1ed3n kho b\u1ecb \u1ea3nh h\u01b0\u1edfng<\/td>R\u00e0 so\u00e1t l\u1ea1i c\u00e1c quy \u0111\u1ecbnh v\u1ec1 qu\u1ea3n l\u00fd kho v\u00e0 ch\u00ednh s\u00e1ch th\u1eddi h\u1ea1n s\u1eed d\u1ee5ng.<\/td><\/tr>
T\u1ef7 l\u1ec7 l\u1ed7i t\u0103ng \u0111\u1ed9t bi\u1ebfn sau khi thay cu\u1ed9n.<\/td>T\u1ea3i li\u1ec7u c\u1ea5p li\u1ec7u ho\u1eb7c bao b\u00ec b\u1ecb h\u01b0 h\u1ecfng<\/td>Ki\u1ec3m tra c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u1ea7u ti\u00ean tr\u00ean cu\u1ed9n.<\/td>Ti\u00eau chu\u1ea9n h\u00f3a quy tr\u00ecnh x\u1eed l\u00fd cu\u1ed9n v\u00e0 x\u00e1c nh\u1eadn s\u1ea3n ph\u1ea9m m\u1eabu \u0111\u1ea7u ti\u00ean<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

B\u00e0n \u0111\u00f3 kh\u00f4ng sang tr\u1ecdng. T\u1ed1t. C\u00f4ng vi\u1ec7c s\u1ea3n xu\u1ea5t hi\u1ebfm khi nh\u01b0 v\u1eady.<\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 m\u00e1y \u0111ang m\u1edf r\u1ed9ng d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t d\u1ef1a tr\u00ean t\u1ebf b\u00e0o, \u0111\u00e2y ch\u00ednh l\u00e0 n\u01a1i Gi\u1ea3i ph\u00e1p d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t SMT tr\u1ecdn g\u00f3i<\/a> v\u00e0 b\u00ean ph\u1ea3i Danh m\u1ee5c m\u00e1y \u0111\u1eb7t v\u00e0 l\u1ea5y linh ki\u1ec7n<\/a> V\u1ea5n \u0111\u1ec1: B\u1ea1n mu\u1ed1n logic ki\u1ec3m tra, ki\u1ec3m so\u00e1t c\u00f4ng th\u1ee9c v\u00e0 h\u00e0nh vi c\u1ee7a m\u00e1y m\u00f3c h\u1ed7 tr\u1ee3 l\u1eabn nhau, ch\u1ee9 kh\u00f4ng ph\u1ea3i \u0111\u1ed1i l\u1eadp nhau.<\/p>\n\n\n\n

\"M\u00e1y<\/a><\/figure>\n\n\n\n

Nh\u1eefng ng\u01b0\u1eddi v\u1eadn h\u00e0nh ph\u00e1t hi\u1ec7n s\u1edbm v\u1ea5n \u0111\u1ec1 n\u00e0y s\u1ebd ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c nhi\u1ec1u ti\u1ec1n nh\u1ea5t.<\/h2>\n\n\n\n

Mu\u1ed1n m\u1ed9t \u00fd ki\u1ebfn m\u1ea1nh m\u1ebd? \u0110\u00e2y l\u00e0 n\u00f3. Ng\u01b0\u1eddi c\u00f3 gi\u00e1 tr\u1ecb nh\u1ea5t trong nhi\u1ec1u nh\u00e0 m\u00e1y SMT kh\u00f4ng ph\u1ea3i l\u00e0 ng\u01b0\u1eddi c\u00f3 th\u1ec3 gi\u1ea3i th\u00edch h\u00f3a h\u1ecdc h\u00e0n ch\u1ea3y tr\u00ean c\u00e1c slide PowerPoint \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y chuy\u00ean nghi\u1ec7p. \u0110\u00f3 l\u00e0 ng\u01b0\u1eddi v\u1eadn h\u00e0nh ho\u1eb7c k\u1ef9 s\u01b0 c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n ra m\u1ed9t v\u1ecb tr\u00ed ch\u00e2n linh ki\u1ec7n h\u01a1i sai tr\u01b0\u1edbc khi linh ki\u1ec7n \u0111\u00f3 g\u00e2y ra m\u1ed9t gi\u1edd th\u1eddi gian d\u00e2y chuy\u1ec1n v\u00e0 hai v\u00f2ng tranh lu\u1eadn.<\/p>\n\n\n\n

B\u1edfi v\u00ec khi \u0111\u1ed9 \u0111\u1ed3ng ph\u1eb3ng k\u00e9m \u0111\u1ea1t \u0111\u1ebfn giai \u0111o\u1ea1n l\u1eafp \u0111\u1eb7t, c\u00e2y l\u1ed7i s\u1ebd lan r\u1ed9ng. B\u1ea1n l\u00e3ng ph\u00ed th\u1eddi gian ki\u1ec3m tra. B\u1ea1n k\u00edch ho\u1ea1t c\u00e1c cu\u1ed9c \u0111i\u1ec1u tra nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 sai l\u1ea7m. B\u1ea1n ph\u1ea3i s\u1eeda ch\u1eefa c\u00e1c b\u1ea3ng m\u1ea1ch kh\u00f4ng n\u00ean \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t. B\u1ea1n l\u00e0m suy gi\u1ea3m ni\u1ec1m tin v\u00e0o kh\u1ea3 n\u0103ng c\u1ee7a m\u00e1y m\u00f3c khi linh ki\u1ec7n \u0111\u00e3 kh\u00f4ng tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao t\u00f4i th\u00e0 h\u1ecdc. C\u00e1c tr\u01b0\u1eddng h\u1ee3p kh\u00e1ch h\u00e0ng trong s\u1ea3n xu\u1ea5t SMT<\/a> V\u00e0 c\u1ea7n si\u1ebft ch\u1eb7t quy tr\u00ecnh ki\u1ec3m tra thay v\u00ec c\u1ee9 l\u1eb7p \u0111i l\u1eb7p l\u1ea1i c\u00e2u n\u00f3i s\u00e1o r\u1ed7ng c\u1ee7a ng\u00e0nh r\u1eb1ng \u201c\u0111\u1ed9 ch\u00ednh x\u00e1c trong vi\u1ec7c \u0111\u1eb7t linh ki\u1ec7n gi\u1ea3i quy\u1ebft h\u1ea7u h\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 l\u1eafp r\u00e1p\u201d. \u0110i\u1ec1u \u0111\u00f3 kh\u00f4ng \u0111\u00fang. \u0110\u1ed9 ch\u00ednh x\u00e1c trong vi\u1ec7c \u0111\u1eb7t linh ki\u1ec7n ch\u1ec9 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111\u00f3. C\u00e1c khuy\u1ebft t\u1eadt v\u1ec1 h\u00ecnh h\u1ecdc l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 ho\u00e0n to\u00e0n kh\u00e1c.<\/p>\n\n\n\n

C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n

\u0110\u1ed9 \u0111\u1ed3ng ph\u1eb3ng c\u1ee7a ch\u00e2n h\u00e0n trong l\u1eafp r\u00e1p SMT l\u00e0 g\u00ec?<\/h3>\n\n\n\n

\u0110\u1ed9 \u0111\u1ed3ng ph\u1eb3ng c\u1ee7a c\u00e1c ch\u00e2n linh ki\u1ec7n trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p SMT l\u00e0 \u0111i\u1ec1u ki\u1ec7n m\u00e0 c\u00e1c ch\u00e2n linh ki\u1ec7n c\u00f3 m\u1ed1i quan h\u1ec7 v\u1ecb tr\u00ed chung v\u1edbi b\u1ea3ng m\u1ea1ch in (PCB), gi\u00fap ch\u00fang ti\u1ebfp x\u00fac \u0111\u1ec1u v\u1edbi keo h\u00e0n khi \u0111\u1eb7t linh ki\u1ec7n; khi m\u1ed9t ho\u1eb7c nhi\u1ec1u ch\u00e2n linh ki\u1ec7n n\u1eb1m cao, th\u1ea5p ho\u1eb7c \u1edf g\u00f3c sai, qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh m\u1ed1i h\u00e0n tr\u1edf n\u00ean kh\u00f4ng \u1ed5n \u0111\u1ecbnh v\u00e0 nguy c\u01a1 l\u1ed7i t\u0103ng cao.<\/p>\n\n\n\n

Sau \u0111\u1ecbnh ngh\u0129a tr\u1ef1c ti\u1ebfp \u0111\u00f3, b\u00e0i h\u1ecdc th\u1ef1c ti\u1ec5n r\u1ea5t \u0111\u01a1n gi\u1ea3n: coplanarity kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t dung sai v\u1ebd. N\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ti\u1ebfp x\u00fac ban \u0111\u1ea7u c\u1ee7a keo h\u00e0n, h\u00e0nh vi t\u1ef1 c\u0103n ch\u1ec9nh trong qu\u00e1 tr\u00ecnh h\u00e0n l\u1ea1i, h\u00ecnh d\u1ea1ng cu\u1ed1i c\u00f9ng c\u1ee7a m\u1ed1i h\u00e0n, v\u00e0 li\u1ec7u g\u00f3i linh ki\u1ec7n c\u00f3 n\u1eb1m ngang hay nghi\u00eang d\u01b0\u1edbi t\u1ea3i nhi\u1ec7t. T\u00e0i li\u1ec7u \u1ee9ng d\u1ee5ng n\u0103m 2024 c\u1ee7a Melexis r\u00f5 r\u00e0ng li\u00ean k\u1ebft coplanarity v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng h\u00e0n v\u00e0 \u0111\u1ed9 nghi\u00eang d\u1ecdc cu\u1ed1i c\u00f9ng. (Melexis<\/a>)<\/p>\n\n\n\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 \u0111\u1ed3ng ph\u1eb3ng c\u1ee7a c\u00e1c ch\u00e2n d\u1eabn tr\u01b0\u1edbc khi \u0111\u1eb7t linh ki\u1ec7n?<\/h3>\n\n\n\n

S\u1eeda ch\u1eefa s\u1ef1 kh\u00f4ng \u0111\u1ed3ng ph\u1eb3ng c\u1ee7a ch\u00e2n linh ki\u1ec7n tr\u01b0\u1edbc khi \u0111\u1eb7t linh ki\u1ec7n c\u00f3 ngh\u0129a l\u00e0 ki\u1ec3m tra c\u00e1c linh ki\u1ec7n \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u1ef1 l\u1ec7ch m\u1eb7t ph\u1eb3ng l\u1eafp \u0111\u1eb7t, s\u1ef1 thay \u0111\u1ed5i g\u00f3c ch\u00e2n linh ki\u1ec7n ho\u1eb7c ch\u00e2n linh ki\u1ec7n b\u1ecb cong tr\u01b0\u1edbc khi ch\u00fang \u0111\u1ebfn chu tr\u00ecnh \u0111\u1eb7t linh ki\u1ec7n, sau \u0111\u00f3 s\u1eed d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p nh\u01b0 ki\u1ec3m so\u00e1t, n\u00e2ng c\u1ea5p nh\u00e0 cung c\u1ea5p, ki\u1ec3m tra l\u1ea1i ho\u1eb7c \u0111\u1ecbnh h\u00ecnh l\u1ea1i c\u00f3 ki\u1ec3m so\u00e1t thay v\u00ec hy v\u1ecdng \u0111\u1ea7u \u0111\u1eb7t linh ki\u1ec7n ho\u1eb7c l\u00f2 h\u00e0n ch\u1ea3y s\u1ebd b\u00f9 \u0111\u1eafp cho h\u00ecnh d\u1ea1ng linh ki\u1ec7n kh\u00f4ng \u0111\u00fang.<\/p>\n\n\n\n

Trong s\u1ea3n xu\u1ea5t th\u1ef1c t\u1ebf, t\u00f4i s\u1ebd b\u1eaft \u0111\u1ea7u v\u1edbi vi\u1ec7c ph\u00e2n lo\u1ea1i l\u00f4 h\u00e0ng, ki\u1ec3m tra \u0111\u1ea7u v\u00e0o theo t\u1eebng nh\u00f3m s\u1ea3n ph\u1ea9m v\u00e0 x\u00e1c minh s\u1ea3n ph\u1ea9m \u0111\u1ea7u ti\u00ean sau khi thay cu\u1ed9n. N\u1ebfu l\u1ed7i l\u00e0 h\u1ec7 th\u1ed1ng, \u0111\u00f3 l\u00e0 v\u1ea5n \u0111\u1ec1 c\u1ee7a nh\u00e0 cung c\u1ea5p ho\u1eb7c bao b\u00ec. N\u1ebfu l\u1ed7i l\u00e0 ng\u1eabu nhi\u00ean, h\u00e3y xem x\u00e9t c\u00e1ch x\u1eed l\u00fd, l\u01b0u tr\u1eef v\u00e0 t\u1ea3i li\u1ec7u v\u00e0o m\u00e1y c\u1ea5p li\u1ec7u. \u0110i\u1ec1u t\u00f4i s\u1ebd kh\u00f4ng l\u00e0m l\u00e0 \u0111\u1ea9y l\u00f4 h\u00e0ng ti\u1ebfp t\u1ee5c ch\u1ec9 v\u00ec n\u00f3 \u201cnh\u00ecn chung tr\u00f4ng \u1ed5n\u201d.\u201d<\/p>\n\n\n\n

T\u1ea1i sao \u0111\u1ed9 \u0111\u1ed3ng ph\u1eb3ng c\u1ee7a c\u00e1nh chim h\u1ea3i \u00e2u l\u1ea1i nh\u1ea1y c\u1ea3m \u0111\u1ebfn v\u1eady?<\/h3>\n\n\n\n

\u0110\u1ed9 \u0111\u1ed3ng ph\u1eb3ng c\u1ee7a ch\u00e2n h\u00e0n c\u00e1nh chim h\u1ea3i \u00e2u l\u00e0 y\u1ebfu t\u1ed1 nh\u1ea1y c\u1ea3m v\u00ec m\u1ed1i h\u00e0n ph\u1ee5 thu\u1ed9c v\u00e0o g\u00f3c ch\u00e2n h\u00e0n, ti\u1ebfp x\u00fac m\u0169i ch\u00e2n v\u00e0 \u0111\u1ed9 \u0111\u1ed3ng nh\u1ea5t c\u1ee7a m\u1eb7t ph\u1eb3ng l\u1eafp \u0111\u1eb7t t\u1ea1i th\u1eddi \u0111i\u1ec3m linh ki\u1ec7n ti\u1ebfp x\u00fac v\u1edbi b\u1ed9t h\u00e0n \u01b0\u1edbt. Do \u0111\u00f3, ngay c\u1ea3 nh\u1eefng bi\u1ebfn \u0111\u1ed9ng nh\u1ecf c\u0169ng c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i \u0111\u1ed9 nghi\u00eang, c\u00e2n b\u1eb1ng \u01b0\u1edbt v\u00e0 nguy c\u01a1 h\u00e0n h\u1edf nhi\u1ec1u h\u01a1n so v\u1edbi d\u1ef1 ki\u1ebfn c\u1ee7a nhi\u1ec1u \u0111\u1ed9i ng\u0169.<\/p>\n\n\n\n

\u0110\u00f3 ch\u00ednh l\u00e0 l\u00fd do t\u1ea1i sao t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt Melexis n\u0103m 2024 nh\u1ea5n m\u1ea1nh c\u00e1c quy t\u1eafc thi\u1ebft k\u1ebf SMT c\u00e1nh chim nh\u01b0 g\u00f3c u\u1ed1n ch\u00e2n linh ki\u1ec7n \u00edt nh\u1ea5t 90\u00b0 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ti\u1ebfp x\u00fac \u0111\u00fang c\u00e1ch v\u00e0 tham chi\u1ebfu ti\u00eau chu\u1ea9n JESD22-B108 \u0111\u1ec3 \u0111o \u0111\u1ed9 \u0111\u1ed3ng ph\u1eb3ng. V\u1ecf linh ki\u1ec7n kh\u00f4ng ch\u1ea5p nh\u1eadn thi\u1ebft k\u1ebf h\u00ecnh h\u1ecdc c\u1ea9u th\u1ea3. N\u00f3 s\u1ebd \"ph\u1ea3n \u00e1nh\" \u0111i\u1ec1u \u0111\u00f3 sau n\u00e0y. (Melexis<\/a>)<\/p>\n\n\n\n

Li\u1ec7u vi\u1ec7c c\u1ea3i thi\u1ec7n \u0111o l\u01b0\u1eddng c\u00f3 th\u1ef1c s\u1ef1 n\u00e2ng cao hi\u1ec7u su\u1ea5t s\u1ea3n xu\u1ea5t SMT kh\u00f4ng?<\/h3>\n\n\n\n

C\u00f4ng ngh\u1ec7 \u0111o l\u01b0\u1eddng ti\u00ean ti\u1ebfn gi\u00fap n\u00e2ng cao hi\u1ec7u su\u1ea5t s\u1ea3n xu\u1ea5t SMT b\u1eb1ng c\u00e1ch chuy\u1ec3n \u0111\u1ed5i c\u00e1c bi\u1ebfn \u0111\u1ed9ng h\u00ecnh h\u1ecdc kh\u00f4ng th\u1ec3 quan s\u00e1t th\u00e0nh c\u00e1c th\u00f4ng s\u1ed1 qu\u00e1 tr\u00ecnh c\u00f3 th\u1ec3 \u0111o l\u01b0\u1eddng, cho ph\u00e9p k\u1ef9 s\u01b0 ph\u00e2n bi\u1ec7t gi\u1eefa l\u1ed7i linh ki\u1ec7n v\u00e0 l\u1ed7i m\u00e1y m\u00f3c, t\u1eeb \u0111\u00f3 ng\u0103n ch\u1eb7n l\u00e3ng ph\u00ed, s\u1eeda ch\u1eefa l\u1ea1i v\u00e0 ch\u1ea9n \u0111o\u00e1n sai tr\u01b0\u1edbc khi c\u00e1c chi ph\u00ed n\u00e0y lan r\u1ed9ng sang c\u00e1c giai \u0111o\u1ea1n in, \u0111\u1eb7t linh ki\u1ec7n, ki\u1ec3m tra v\u00e0 h\u00e0n l\u1ea1i.<\/p>\n\n\n\n

B\u00e1o c\u00e1o v\u1ec1 \u0111o l\u01b0\u1eddng \u0111\u00f3ng g\u00f3i n\u0103m 2024 c\u1ee7a NIST li\u00ean k\u1ebft tr\u1ef1c ti\u1ebfp vi\u1ec7c \u0111o l\u01b0\u1eddng v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng, n\u0103ng su\u1ea5t v\u00e0 hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t, v\u00e0 t\u00f4i cho r\u1eb1ng \u0111\u00f3 l\u00e0 khung kh\u1ed5 \u0111\u00fang \u0111\u1eafn. \u0110o l\u01b0\u1eddng kh\u00f4ng ph\u1ea3i l\u00e0 th\u1ee7 t\u1ee5c gi\u1ea5y t\u1edd. \u0110\u00f3 l\u00e0 bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 bi\u00ean l\u1ee3i nhu\u1eadn. (Vi\u1ec7n Ti\u00eau chu\u1ea9n v\u00e0 C\u00f4ng ngh\u1ec7 Qu\u1ed1c gia (NIST)<\/a>)<\/p>\n\n\n\n

N\u1ebfu d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t c\u1ee7a b\u1ea1n g\u1eb7p ph\u1ea3i t\u00ecnh tr\u1ea1ng nghi\u00eang kh\u00f4ng r\u00f5 nguy\u00ean nh\u00e2n, m\u1ed1i h\u00e0n y\u1ebfu ho\u1eb7c c\u00e1c l\u1ed7 h\u1edf \u201cb\u00ed \u1ea9n\u201d sau qu\u00e1 tr\u00ecnh h\u00e0n l\u1ea1i, \u0111\u1eebng ch\u1ec9 t\u1eadp trung v\u00e0o m\u00e1y m\u00f3c. H\u00e3y b\u1eaft \u0111\u1ea7u t\u1eeb linh ki\u1ec7n. Ki\u1ec3m tra l\u1ea1i c\u00e1c th\u00f4ng s\u1ed1 \u0111i\u1ec1u khi\u1ec3n h\u00ecnh h\u1ecdc, ki\u1ec3m tra m\u1eb7t ph\u1eb3ng l\u1eafp \u0111\u1eb7t v\u00e0 si\u1ebft ch\u1eb7t c\u1eeda x\u1ea3 tr\u01b0\u1edbc khi \u0111\u1eb7t linh ki\u1ec7n. \u0110\u00f3 ch\u00ednh l\u00e0 n\u01a1i g\u00e2y ra s\u1ef1 r\u00f2 r\u1ec9.<\/p>","protected":false},"excerpt":{"rendered":"

S\u1ef1 kh\u00f4ng \u0111\u1ed3ng ph\u1eb3ng c\u1ee7a c\u00e1c linh ki\u1ec7n kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t khuy\u1ebft t\u1eadt th\u1ea9m m\u1ef9. \u0110\u00e2y l\u00e0 m\u1ed9t r\u1ee7i ro v\u1ec1 v\u1ecb tr\u00ed \u0111\u1eb7t linh ki\u1ec7n v\u00e0 kh\u1ea3 n\u0103ng h\u00e0n, sau n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 m\u1ea1ch h\u1edf, linh ki\u1ec7n nghi\u00eang, m\u1ed1i h\u00e0n y\u1ebfu v\u00e0 vi\u1ec7c s\u1eeda ch\u1eefa kh\u00f4ng c\u1ea7n thi\u1ebft. B\u00e0i vi\u1ebft n\u00e0y gi\u1ea3i th\u00edch nguy\u00ean nh\u00e2n khi\u1ebfn \u0111\u1ed9 ph\u1eb3ng b\u1ecb sai l\u1ec7ch tr\u01b0\u1edbc khi \u0111\u1eb7t linh ki\u1ec7n, c\u00e1c \u0111i\u1ec1u ch\u1ec9nh c\u1ea7n th\u1ef1c hi\u1ec7n tr\u00ean d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t, v\u00e0 l\u00fd do t\u1ea1i sao c\u00e1c nh\u00e0 m\u00e1y th\u00f4ng minh ki\u1ec3m tra h\u00ecnh h\u1ecdc tr\u01b0\u1edbc khi v\u00f2i phun di chuy\u1ec3n.<\/p>","protected":false},"author":1,"featured_media":5822,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_gspb_post_css":"","footnotes":""},"categories":[837],"tags":[1157,1158,1160,1155,1159,1156],"class_list":["post-5819","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-process-quality","tag-component-flatness-before-placement","tag-gull-wing-lead-coplanarity","tag-jedec-coplanarity-standard","tag-lead-coplanarity","tag-pick-and-place-coplanarity-inspection","tag-smt-coplanarity-issues"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/pickandplacemachine.com\/vi\/wp-json\/wp\/v2\/posts\/5819","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=5819"}],"version-history":[{"count":2,"href":"https:\/\/pickandplacemachine.com\/vi\/wp-json\/wp\/v2\/posts\/5819\/revisions"}],"predecessor-version":[{"id":6356,"href":"https:\/\/pickandplacemachine.com\/vi\/wp-json\/wp\/v2\/posts\/5819\/revisions\/6356"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pickandplacemachine.com\/vi\/wp-json\/wp\/v2\/media\/5822"}],"wp:attachment":[{"href":"https:\/\/pickandplacemachine.com\/vi\/wp-json\/wp\/v2\/media?parent=5819"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pickandplacemachine.com\/vi\/wp-json\/wp\/v2\/categories?post=5819"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pickandplacemachine.com\/vi\/wp-json\/wp\/v2\/tags?post=5819"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}