{"id":458,"date":"2025-10-28T17:45:29","date_gmt":"2025-10-28T09:45:29","guid":{"rendered":"https:\/\/www.bestpcb.vn\/yeu-cau-ve-bang-mach\/"},"modified":"2025-12-30T15:34:04","modified_gmt":"2025-12-30T07:34:04","slug":"yeu-cau-ve-bang-mach","status":"publish","type":"page","link":"https:\/\/www.bestpcb.vn\/vi\/pcba\/yeu-cau-ve-bang-mach\/","title":{"rendered":"Y\u00eau c\u1ea7u v\u1ec1 b\u1ea3ng m\u1ea1ch"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.bestpcb.vn\/vi\/pcba\/yeu-cau-ve-bang-mach\/#Yeu_cau_ve_bang_mach\" >Y\u00eau c\u1ea7u v\u1ec1 b\u1ea3ng m\u1ea1ch<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.bestpcb.vn\/vi\/pcba\/yeu-cau-ve-bang-mach\/#Huong_dan_ghep_bang_mach_PCB_cho_lap_rap\" >H\u01b0\u1edbng d\u1eabn gh\u00e9p b\u1ea3ng m\u1ea1ch PCB cho l\u1eafp r\u00e1p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.bestpcb.vn\/vi\/pcba\/yeu-cau-ve-bang-mach\/#9_Yeu_to_quan_trong_cho_ghep_bang_mach_PCB\" >9 Y\u1ebfu t\u1ed1 quan tr\u1ecdng cho gh\u00e9p b\u1ea3ng m\u1ea1ch PCB<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.bestpcb.vn\/vi\/pcba\/yeu-cau-ve-bang-mach\/#Cau_hoi_Thuong_gap\" >C\u00e2u h\u1ecfi Th\u01b0\u1eddng g\u1eb7p<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>Gh\u00e9p b\u1ea3ng m\u1ea1ch PCB, hay b\u1ed1 tr\u00ed b\u1ea3ng m\u1ea1ch PCB gh\u00e9p, l\u00e0 qu\u00e1 tr\u00ecnh k\u1ebft h\u1ee3p nhi\u1ec1u b\u1ea3ng m\u1ea1ch PCB ri\u00eang l\u1ebb th\u00e0nh m\u1ed9t b\u1ea3ng l\u1edbn h\u01a1n. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p quy tr\u00ecnh l\u1eafp r\u00e1p t\u1ef1 \u0111\u1ed9ng, gi\u1ea3m th\u1eddi gian x\u1eed l\u00fd v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t. <\/p>\n\n<p>Gh\u00e9p b\u1ea3ng m\u1ea1ch \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ea3ng nh\u1ecf, ph\u1ee9c t\u1ea1p n\u01a1i vi\u1ec7c x\u1eed l\u00fd th\u1ee7 c\u00f4ng s\u1ebd kh\u00f4ng hi\u1ec7u qu\u1ea3 ho\u1eb7c d\u1ec5 x\u1ea3y ra l\u1ed7i.<\/p>\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"285\" src=\"http:\/\/bestpcb.vn\/wp-content\/uploads\/2025\/11\/02f3e58f987b40e39fe43070324a817e.png\" alt=\"\" class=\"wp-image-219\" style=\"width:750px;height:auto\" srcset=\"https:\/\/www.bestpcb.vn\/wp-content\/uploads\/2025\/11\/02f3e58f987b40e39fe43070324a817e.png 600w, https:\/\/www.bestpcb.vn\/wp-content\/uploads\/2025\/11\/02f3e58f987b40e39fe43070324a817e-300x143.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Yeu_cau_ve_bang_mach\"><\/span>Y\u00eau c\u1ea7u v\u1ec1 b\u1ea3ng m\u1ea1ch<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>Gh\u00e9p b\u1ea3ng m\u1ea1ch PCB l\u00e0 qu\u00e1 tr\u00ecnh k\u1ebft h\u1ee3p nhi\u1ec1u b\u1ea3ng m\u1ea1ch PCB th\u00e0nh m\u1ed9t b\u1ea3ng ho\u1eb7c m\u1ea3ng \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a s\u1ea3n xu\u1ea5t, l\u1eafp r\u00e1p v\u00e0 ki\u1ec3m tra. Thi\u1ebft k\u1ebf b\u1ea3ng m\u1ea1ch \u0111\u00fang c\u00e1ch \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 cao h\u01a1n, n\u0103ng su\u1ea5t t\u1ed1t h\u01a1n v\u00e0 gi\u1ea3m chi ph\u00ed. <\/p>\n\n<p>Y\u00eau c\u1ea7u v\u1ec1 b\u1ea3ng m\u1ea1ch ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh b\u1edfi quy tr\u00ecnh l\u1eafp r\u00e1p PCB, kh\u1ea3 n\u0103ng s\u1ea3n xu\u1ea5t v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng. C\u00e1c y\u1ebfu t\u1ed1 quan tr\u1ecdng bao g\u1ed3m: <\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>K\u00edch th\u01b0\u1edbc b\u1ea3ng: <\/strong>K\u00edch th\u01b0\u1edbc b\u1ea3ng ti\u00eau chu\u1ea9n th\u01b0\u1eddng d\u1ef1a tr\u00ean kh\u1ea3 n\u0103ng c\u1ee7a m\u00e1y pick-and-place, l\u00f2 reflow v\u00e0 d\u00e2y chuy\u1ec1n h\u00e0n s\u00f3ng. K\u00edch th\u01b0\u1edbc b\u1ea3ng \u0111i\u1ec3n h\u00ecnh dao \u0111\u1ed9ng t\u1eeb 300\u00d7400 mm \u0111\u1ebfn 460\u00d7610 mm, m\u1eb7c d\u00f9 k\u00edch th\u01b0\u1edbc t\u00f9y ch\u1ec9nh c\u00f3 th\u1ec3 c\u1ea7n thi\u1ebft cho thi\u1ebft b\u1ecb c\u1ee5 th\u1ec3. <\/li>\n\n\n\n<li><strong>\u0110\u1ed9 d\u00e0y v\u1eadt li\u1ec7u: <\/strong>B\u1ea3ng m\u1ea1ch th\u01b0\u1eddng gi\u1eef nguy\u00ean v\u1eadt li\u1ec7u c\u01a1 b\u1ea3n nh\u01b0 PCB ri\u00eang l\u1ebb nh\u01b0ng ph\u1ea3i duy tr\u00ec \u0111\u1ed9 ph\u1eb3ng \u0111\u1ec3 tr\u00e1nh l\u1ed7i h\u00e0n ho\u1eb7c l\u1eafp r\u00e1p.<\/li>\n\n\n\n<li><strong>Kho\u1ea3ng c\u00e1ch c\u1ea1nh: <\/strong>Duy tr\u00ec kho\u1ea3ng c\u00e1ch \u0111\u1ee7 t\u1ea1i c\u00e1c c\u1ea1nh b\u1ea3ng \u0111\u1ec3 cho ph\u00e9p c\u00f4ng c\u1ee5, x\u1eed l\u00fd v\u00e0 t\u00e1ch b\u1ea3ng m\u00e0 kh\u00f4ng l\u00e0m h\u1ecfng c\u00e1c b\u1ea3ng m\u1ea1ch.<\/li>\n\n\n\n<li><strong>D\u1ea5u \u0111\u1ecbnh v\u1ecb: <\/strong>Bao g\u1ed3m c\u00e1c d\u1ea5u \u0111\u1ecbnh v\u1ecb tr\u00ean m\u1ed7i PCB \u0111\u1ec3 c\u0103n ch\u1ec9nh ch\u00ednh x\u00e1c trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p t\u1ef1 \u0111\u1ed9ng. Khuy\u1ebfn ngh\u1ecb \u00edt nh\u1ea5t ba d\u1ea5u \u0111\u1ecbnh v\u1ecb cho m\u1ed7i PCB, l\u00fd t\u01b0\u1edfng l\u00e0 m\u1ed9t \u1edf m\u1ed7i g\u00f3c ho\u1eb7c tr\u1ee5c \u0111\u1ecbnh h\u01b0\u1edbng. <\/li>\n\n\n\n<li><strong>\u0110\u01b0\u1eddng d\u1eabn v\u00e0 tab t\u00e1ch: <\/strong>Quy\u1ebft \u0111\u1ecbnh gi\u1eefa V-scoring ho\u1eb7c tab-routing \u0111\u1ec3 t\u00e1ch b\u1ea3ng sau khi l\u1eafp r\u00e1p. C\u00e1c tab ph\u1ea3i \u0111\u1ee7 m\u1ea1nh \u0111\u1ec3 gi\u1eef b\u1ea3ng m\u1ea1ch trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd nh\u01b0ng d\u1ec5 d\u00e0ng t\u00e1ch sau s\u1ea3n xu\u1ea5t. <\/li>\n<\/ul>\n\n<p>\u0110\u00e1p \u1ee9ng \u0111\u00fang y\u00eau c\u1ea7u v\u1ec1 b\u1ea3ng m\u1ea1ch l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 ng\u0103n ng\u1eeba l\u1ed7i l\u1eafp r\u00e1p v\u00e0 t\u1ed1i \u01b0u h\u00f3a th\u00f4ng l\u01b0\u1ee3ng.<\/p>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Huong_dan_ghep_bang_mach_PCB_cho_lap_rap\"><\/span>H\u01b0\u1edbng d\u1eabn gh\u00e9p b\u1ea3ng m\u1ea1ch PCB cho l\u1eafp r\u00e1p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p><strong>1. \u0110\u1eb7t d\u1ea5u \u0111\u1ecbnh v\u1ecb<\/strong><\/p>\n\n<p>D\u1ea5u \u0111\u1ecbnh v\u1ecb gi\u00fap m\u00e1y m\u00f3c x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed linh ki\u1ec7n v\u00e0 c\u0103n ch\u1ec9nh b\u1ea3ng m\u1ea1ch ch\u00ednh x\u00e1c. C\u00e1c th\u1ef1c h\u00e0nh \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb: <\/p>\n\n<ul class=\"wp-block-list\">\n<li>Bao g\u1ed3m ba d\u1ea5u \u0111\u1ecbnh v\u1ecb cho m\u1ed7i PCB: hai d\u1ecdc theo m\u1ed9t \u0111\u01b0\u1eddng ch\u00e9o v\u00e0 m\u1ed9t l\u1ec7ch \u1edf ph\u00eda \u0111\u1ed1i di\u1ec7n.<\/li>\n\n\n\n<li>D\u1ea5u \u0111\u1ecbnh v\u1ecb n\u00ean c\u00f3 \u0111\u01b0\u1eddng k\u00ednh \u00edt nh\u1ea5t 1,5 mm v\u1edbi kho\u1ea3ng c\u00e1ch t\u1ed1i thi\u1ec3u 0,5 mm t\u1eeb b\u1ea5t k\u1ef3 \u0111\u1ed3ng ho\u1eb7c m\u1eb7t n\u1ea1 h\u00e0n n\u00e0o.<\/li>\n<\/ul>\n\n<p><strong>2. Tab t\u00e1ch v\u00e0 V-Scoring<\/strong><\/p>\n\n<p>C\u00f3 hai ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh \u0111\u1ec3 t\u00e1ch b\u1ea3ng:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>V-Scoring: L\u00fd t\u01b0\u1edfng cho c\u00e1c h\u00ecnh d\u1ea1ng \u0111\u01a1n gi\u1ea3n. C\u00e1c r\u00e3nh h\u00ecnh ch\u1eef V \u0111\u01b0\u1ee3c kh\u1eafc tr\u00ean c\u1ea3 hai m\u1eb7t c\u1ee7a PCB. Sau khi l\u1eafp r\u00e1p, c\u00e1c b\u1ea3ng c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng t\u00e1ch ra. \u0110\u1ea3m b\u1ea3o b\u00e1n k\u00ednh g\u00f3c \u2265 1 mm \u0111\u1ec3 tr\u00e1nh \u0111i\u1ec3m c\u0103ng th\u1eb3ng.   <\/li>\n\n\n\n<li>Tab-Routing: \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p. C\u00e1c tab nh\u1ecf gi\u1eef PCB t\u1ea1i ch\u1ed7 trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p. C\u00e1c tab sau \u0111\u00f3 \u0111\u01b0\u1ee3c c\u1eaft ho\u1eb7c t\u00e1ch ra. Thi\u1ebft k\u1ebf v\u1edbi 3\u20136 tab m\u1ed7i c\u1ea1nh, t\u00f9y thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc b\u1ea3ng v\u00e0 v\u1ecb tr\u00ed linh ki\u1ec7n.   <\/li>\n<\/ul>\n\n<p><strong>3. L\u1ed7 c\u00f4ng c\u1ee5 v\u00e0 Mouse Bites<\/strong><\/p>\n\n<p>L\u1ed7 c\u00f4ng c\u1ee5 cho ph\u00e9p b\u1ea3ng m\u1ea1ch \u0111\u01b0\u1ee3c \u0111\u1ecbnh v\u1ecb ch\u00ednh x\u00e1c trong thi\u1ebft b\u1ecb l\u1eafp r\u00e1p. C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t bao g\u1ed3m: <\/p>\n\n<ul class=\"wp-block-list\">\n<li>S\u1eed d\u1ee5ng l\u1ed7 c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 0,8\u20131,2 mm.<\/li>\n\n\n\n<li>\u0110\u1eb7t l\u1ed7 g\u1ea7n c\u00e1c g\u00f3c b\u1ea3ng v\u00e0 d\u1ecdc theo c\u00e1c c\u1ea1nh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u1ed5n \u0111\u1ecbnh c\u01a1 h\u1ecdc.<\/li>\n\n\n\n<li>Mouse bites l\u00e0 c\u00e1c l\u1ed7 nh\u1ecf d\u1ecdc theo c\u00e1c tab \u0111\u1ec3 cho ph\u00e9p t\u00e1ch d\u1ec5 d\u00e0ng. Duy tr\u00ec kho\u1ea3ng c\u00e1ch 1,0\u20131,5 mm gi\u1eefa c\u00e1c bites. <\/li>\n<\/ul>\n\n<p><strong>4. Khu v\u1ef1c kh\u00f4ng c\u00f3 \u0111\u1ed3ng<\/strong><\/p>\n\n<p>\u0110\u1ec3 tr\u00e1nh c\u00e1c v\u1ea5n \u0111\u1ec1 h\u00e0n, duy tr\u00ec khu v\u1ef1c kh\u00f4ng c\u00f3 \u0111\u1ed3ng t\u1ed1i thi\u1ec3u xung quanh c\u00e1c c\u1ea1nh b\u1ea3ng v\u00e0 xung quanh l\u1ed7 c\u00f4ng c\u1ee5. Th\u00f4ng th\u01b0\u1eddng, kho\u1ea3ng c\u00e1ch 1\u20131,5 mm l\u00e0 \u0111\u1ee7 \u0111\u1ec3 ng\u0103n ng\u1eafn m\u1ea1ch ho\u1eb7c c\u1ea7u h\u00e0n. <\/p>\n\n<p><strong>5. \u0110\u00e1nh d\u1ea5u b\u1ea3ng m\u1ea1ch<\/strong><\/p>\n\n<p>Bao g\u1ed3m c\u00e1c \u0111\u00e1nh d\u1ea5u c\u1ea5p b\u1ea3ng m\u1ea1ch \u0111\u1ec3 truy xu\u1ea5t ngu\u1ed3n g\u1ed1c v\u00e0 ki\u1ec3m tra:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>S\u1ed1 ph\u1ea7n v\u00e0 phi\u00ean b\u1ea3n PCB<\/li>\n\n\n\n<li>M\u00e3 ng\u00e0y ho\u1eb7c s\u1ed1 l\u00f4<\/li>\n\n\n\n<li>Nh\u1eadn d\u1ea1ng l\u1eafp r\u00e1p ho\u1eb7c kh\u00e1ch h\u00e0ng<\/li>\n\n\n\n<li>Ch\u1ec9 b\u00e1o \u0111\u1ecbnh h\u01b0\u1edbng<\/li>\n<\/ul>\n\n<p><strong>6. C\u00e2n nh\u1eafc v\u1ec1 nhi\u1ec7t<\/strong><\/p>\n\n<p>C\u00e1c khu v\u1ef1c \u0111\u1ed3ng l\u1edbn ho\u1eb7c ph\u00e2n b\u1ed1 \u0111\u1ed3ng kh\u00f4ng \u0111\u1ec1u c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn cong v\u00eanh trong qu\u00e1 tr\u00ecnh h\u00e0n reflow. \u0110\u1ec3 gi\u1ea3m thi\u1ec3u \u0111i\u1ec1u n\u00e0y: <\/p>\n\n<ul class=\"wp-block-list\">\n<li>S\u1eed d\u1ee5ng c\u00e1c m\u1eabu gi\u1ea3m nhi\u1ec7t cho c\u00e1c pad k\u1ebft n\u1ed1i v\u1edbi c\u00e1c v\u00f9ng \u0111\u1ed3ng l\u1edbn.<\/li>\n\n\n\n<li>C\u00e2n b\u1eb1ng m\u1eadt \u0111\u1ed9 \u0111\u1ed3ng tr\u00ean to\u00e0n b\u1ed9 b\u1ea3ng.<\/li>\n\n\n\n<li>Xem x\u00e9t s\u1eed d\u1ee5ng c\u00e1c thanh gia c\u1ed1 b\u1ea3ng ho\u1eb7c v\u1eadt li\u1ec7u c\u01a1 b\u1ea3n d\u00e0y h\u01a1n cho c\u00e1c b\u1ea3ng r\u1ea5t l\u1edbn.<\/li>\n<\/ul>\n\n<p><strong>7. Gi\u1eef c\u00e1c h\u1ea1n ch\u1ebf l\u1eafp r\u00e1p trong t\u00e2m tr\u00ed<\/strong><\/p>\n\n<p>Thi\u1ebft k\u1ebf b\u1ea3ng m\u1ea1ch ph\u1ea3i xem x\u00e9t thi\u1ebft b\u1ecb pick-and-place, chi\u1ec1u r\u1ed9ng l\u00f2 reflow v\u00e0 quy tr\u00ecnh x\u1eed l\u00fd. V\u00ed d\u1ee5: <\/p>\n\n<ul class=\"wp-block-list\">\n<li>Tr\u00e1nh \u0111\u1eb7t linh ki\u1ec7n qu\u00e1 g\u1ea7n c\u1ea1nh b\u1ea3ng (5 mm), v\u00ec \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y l\u1ec7ch.<\/li>\n\n\n\n<li>Gi\u1eef c\u00e1c linh ki\u1ec7n t\u01b0\u01a1ng t\u1ef1 g\u1ea7n nhau \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 m\u00e1y m\u00f3c.<\/li>\n\n\n\n<li>\u0110\u1ea3m b\u1ea3o kho\u1ea3ng c\u00e1ch \u0111\u1ee7 cho c\u00e1c \u0111\u1ea7u d\u00f2 th\u1eed nghi\u1ec7m v\u00e0 camera ki\u1ec3m tra.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"9_Yeu_to_quan_trong_cho_ghep_bang_mach_PCB\"><\/span>9 Y\u1ebfu t\u1ed1 quan tr\u1ecdng cho gh\u00e9p b\u1ea3ng m\u1ea1ch PCB<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 9 h\u01b0\u1edbng d\u1eabn thi\u1ebft y\u1ebfu cho gh\u00e9p b\u1ea3ng m\u1ea1ch PCB hi\u1ec7u qu\u1ea3:<\/p>\n\n<p><strong>1. Khung b\u1ea3ng m\u1ea1ch k\u00edn:<\/strong><\/p>\n\n<ol class=\"wp-block-list\">\n<li><\/li>\n<\/ol>\n\n<p>Khung ngo\u00e0i c\u1ee7a b\u1ea3ng m\u1ea1ch n\u00ean t\u1ea1o th\u00e0nh m\u1ed9t v\u00f2ng k\u00edn \u0111\u1ec3 gi\u1eef b\u1ea3ng c\u1ed1 \u0111\u1ecbnh tr\u00ean \u0111\u1ed3 g\u00e1 m\u00e0 kh\u00f4ng b\u1ecb cong v\u00eanh trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p.<\/p>\n\n<p><strong>2. H\u00ecnh d\u1ea1ng b\u1ea3ng m\u1ea1ch:<\/strong><\/p>\n\n<p>B\u1ea3ng m\u1ea1ch n\u00ean c\u00e0ng vu\u00f4ng c\u00e0ng t\u1ed1t. C\u00e1c b\u1ed1 tr\u00ed \u0111i\u1ec3n h\u00ecnh l\u00e0 l\u01b0\u1edbi 2\u00d72, 3\u00d73 ho\u1eb7c t\u01b0\u01a1ng t\u1ef1. Tr\u00e1nh t\u1ea1o h\u00ecnh d\u1ea1ng b\u1ea3ng kh\u00f4ng \u0111\u1ec1u, c\u00f3 th\u1ec3 g\u00e2y ra v\u1ea5n \u0111\u1ec1 x\u1eed l\u00fd.  <\/p>\n\n<p><strong>3. K\u00edch th\u01b0\u1edbc b\u1ea3ng m\u1ea1ch:<\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li>Chi\u1ec1u r\u1ed9ng \u2264 260 mm cho d\u00e2y chuy\u1ec1n SIEMENS ho\u1eb7c \u2264 300 mm cho d\u00e2y chuy\u1ec1n FUJI.<\/li>\n\n\n\n<li>\u0110\u1ed1i v\u1edbi ph\u00e2n ph\u1ed1i t\u1ef1 \u0111\u1ed9ng, chi\u1ec1u r\u1ed9ng \u00d7 chi\u1ec1u d\u00e0i b\u1ea3ng m\u1ea1ch \u2264 125 mm \u00d7 180 mm.<\/li>\n<\/ul>\n\n<p><strong>4. L\u1ed7 \u0111\u1ecbnh v\u1ecb cho c\u00e1c b\u1ea3ng con:<\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li>M\u1ed7i b\u1ea3ng con n\u00ean c\u00f3 \u00edt nh\u1ea5t ba l\u1ed7 \u0111\u1ecbnh v\u1ecb.<\/li>\n\n\n\n<li>\u0110\u01b0\u1eddng k\u00ednh l\u1ed7: 3\u20136 mm.<\/li>\n\n\n\n<li>Kh\u00f4ng c\u00f3 \u0111\u01b0\u1eddng d\u1eabn ho\u1eb7c \u0111\u1eb7t linh ki\u1ec7n trong v\u00f2ng 1 mm t\u1eeb l\u1ed7 \u0111\u1ecbnh v\u1ecb c\u1ea1nh.<\/li>\n<\/ul>\n\n<p><strong>5. Kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c b\u1ea3ng:<\/strong><\/p>\n\n<p>Duy tr\u00ec kho\u1ea3ng c\u00e1ch t\u1eeb t\u00e2m \u0111\u1ebfn t\u00e2m gi\u1eefa c\u00e1c b\u1ea3ng con \u1edf m\u1ee9c 75 mm\u2013145 mm \u0111\u1ec3 cho ph\u00e9p t\u00e1ch b\u1ea3ng v\u00e0 x\u1eed l\u00fd.<\/p>\n\n<p><strong>6. Khu v\u1ef1c d\u1ea5u \u0111\u1ecbnh v\u1ecb tham chi\u1ebfu:<\/strong><\/p>\n\n<p>Khi thi\u1ebft l\u1eadp c\u00e1c \u0111i\u1ec3m tham chi\u1ebfu \u0111\u1ec3 c\u0103n ch\u1ec9nh, \u0111\u1ec3 l\u1ea1i khu v\u1ef1c kh\u00f4ng c\u00f3 h\u00e0n 1,5 mm xung quanh c\u00e1c d\u1ea5u \u0111\u1ecbnh v\u1ecb \u0111\u1ec3 ng\u0103n ng\u1eafn m\u1ea1ch h\u00e0n ho\u1eb7c can thi\u1ec7p linh ki\u1ec7n.<\/p>\n\n<p><strong>7. \u0110\u1eb7t linh ki\u1ec7n g\u1ea7n c\u1ea1nh b\u1ea3ng:<\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li>Tr\u00e1nh \u0111\u1eb7t c\u00e1c linh ki\u1ec7n l\u1edbn ho\u1eb7c nh\u00f4 ra g\u1ea7n c\u1ea1nh b\u1ea3ng ho\u1eb7c khung.<\/li>\n\n\n\n<li>Duy tr\u00ec kho\u1ea3ng c\u00e1ch \u22650,5 mm gi\u1eefa c\u00e1c linh ki\u1ec7n v\u00e0 c\u1ea1nh PCB \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00f4ng c\u1ee5 c\u1eaft ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang c\u00e1ch.<\/li>\n<\/ul>\n\n<p><strong>8. L\u1ed7 c\u00f4ng c\u1ee5 g\u00f3c:<\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li>Khoan b\u1ed1n l\u1ed7 g\u00f3c tr\u00ean khung b\u1ea3ng, \u0111\u01b0\u1eddng k\u00ednh 4 mm \u00b1 0,01 mm.<\/li>\n\n\n\n<li>L\u1ed7 ph\u1ea3i \u0111\u1ee7 m\u1ea1nh \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c x\u1eed l\u00fd nh\u01b0ng ch\u00ednh x\u00e1c v\u1ec1 v\u1ecb tr\u00ed v\u00e0 m\u1ecbn trong th\u00e0nh l\u1ed7 \u0111\u1ec3 ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p.<\/li>\n<\/ul>\n\n<p><strong>9. D\u1ea5u \u0111\u1ecbnh v\u1ecb v\u00e0 k\u00fd hi\u1ec7u \u0111\u1ecbnh v\u1ecb b\u1ea3ng con:<\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li>C\u00e1c linh ki\u1ec7n QFP v\u1edbi kho\u1ea3ng c\u00e1ch  0,65 mm n\u00ean c\u00f3 d\u1ea5u \u0111\u1ecbnh v\u1ecb \u1edf c\u00e1c g\u00f3c ch\u00e9o.<\/li>\n\n\n\n<li>C\u00e1c k\u00fd hi\u1ec7u tham chi\u1ebfu b\u1ea3ng con n\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng theo c\u1eb7p \u1edf c\u00e1c v\u1ecb tr\u00ed ch\u00e9o \u0111\u1ed1i di\u1ec7n.<\/li>\n\n\n\n<li>C\u00e1c linh ki\u1ec7n l\u1edbn nh\u01b0 giao di\u1ec7n I\/O, micro, k\u1ebft n\u1ed1i pin, c\u00f4ng t\u1eafc, jack tai nghe ho\u1eb7c \u0111\u1ed9ng c\u01a1 n\u00ean bao g\u1ed3m c\u00e1c pin ho\u1eb7c l\u1ed7 \u0111\u1ecbnh v\u1ecb chuy\u00ean d\u1ee5ng.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cau_hoi_Thuong_gap\"><\/span>C\u00e2u h\u1ecfi Th\u01b0\u1eddng g\u1eb7p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p><strong>1. M\u1ee5c \u0111\u00edch c\u1ee7a gh\u00e9p b\u1ea3ng m\u1ea1ch PCB l\u00e0 g\u00ec?<\/strong><\/p>\n\n<p>N\u00f3 cho ph\u00e9p nhi\u1ec1u b\u1ea3ng m\u1ea1ch \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t v\u00e0 l\u1eafp r\u00e1p c\u00f9ng nhau, c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 v\u00e0 gi\u1ea3m l\u1ed7i x\u1eed l\u00fd.<\/p>\n\n<p><strong>2. C\u1ea7n bao nhi\u00eau l\u1ed7 \u0111\u1ecbnh v\u1ecb cho m\u1ed7i b\u1ea3ng con?<\/strong><\/p>\n\n<p>\u00cdt nh\u1ea5t ba l\u1ed7 \u0111\u1ecbnh v\u1ecb cho m\u1ed7i b\u1ea3ng con, v\u1edbi \u0111\u01b0\u1eddng k\u00ednh 3\u20136 mm.<\/p>\n\n<p><strong>3. C\u00f3 th\u1ec3 \u0111\u1eb7t linh ki\u1ec7n g\u1ea7n c\u1ea1nh b\u1ea3ng m\u1ea1ch kh\u00f4ng?<\/strong><\/p>\n\n<p>C\u00e1c linh ki\u1ec7n n\u00ean c\u00e1ch \u00edt nh\u1ea5t 0,5 mm t\u1eeb c\u1ea1nh b\u1ea3ng m\u1ea1ch \u0111\u1ec3 ng\u0103n ng\u1eeba can thi\u1ec7p v\u1edbi vi\u1ec7c c\u1eaft ho\u1eb7c t\u00e1ch b\u1ea3ng.<\/p>\n\n<p><strong>4. H\u00ecnh d\u1ea1ng b\u1ea3ng m\u1ea1ch \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb l\u00e0 g\u00ec?<\/strong><\/p>\n\n<p>B\u1ea3ng m\u1ea1ch n\u00ean g\u1ea7n vu\u00f4ng, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp trong l\u01b0\u1edbi 2\u00d72 ho\u1eb7c 3\u00d73, tr\u00e1nh c\u00e1c h\u00ecnh d\u1ea1ng kh\u00f4ng \u0111\u1ec1u.<\/p>\n\n<p><strong>5. T\u1ea1i sao c\u1ea7n \u0111\u1ec3 khu v\u1ef1c kh\u00f4ng c\u00f3 h\u00e0n xung quanh c\u00e1c d\u1ea5u \u0111\u1ecbnh v\u1ecb?<\/strong><\/p>\n\n<p>Khu v\u1ef1c kh\u00f4ng c\u00f3 h\u00e0n 1,5 mm ng\u0103n ng\u1eafn m\u1ea1ch h\u00e0n v\u00e0 \u0111\u1ea3m b\u1ea3o c\u0103n ch\u1ec9nh ch\u00ednh x\u00e1c cho m\u00e1y pick-and-place t\u1ef1 \u0111\u1ed9ng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Gh\u00e9p b\u1ea3ng m\u1ea1ch PCB, hay b\u1ed1 tr\u00ed b\u1ea3ng m\u1ea1ch PCB gh\u00e9p, l\u00e0 qu\u00e1 tr\u00ecnh k\u1ebft h\u1ee3p nhi\u1ec1u b\u1ea3ng m\u1ea1ch PCB [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":459,"parent":457,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-458","page","type-page","status-publish","has-post-thumbnail","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bestpcb.vn\/vi\/wp-json\/wp\/v2\/pages\/458","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bestpcb.vn\/vi\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.bestpcb.vn\/vi\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.bestpcb.vn\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bestpcb.vn\/vi\/wp-json\/wp\/v2\/comments?post=458"}],"version-history":[{"count":1,"href":"https:\/\/www.bestpcb.vn\/vi\/wp-json\/wp\/v2\/pages\/458\/revisions"}],"predecessor-version":[{"id":461,"href":"https:\/\/www.bestpcb.vn\/vi\/wp-json\/wp\/v2\/pages\/458\/revisions\/461"}],"up":[{"embeddable":true,"href":"https:\/\/www.bestpcb.vn\/vi\/wp-json\/wp\/v2\/pages\/457"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bestpcb.vn\/vi\/wp-json\/wp\/v2\/media\/459"}],"wp:attachment":[{"href":"https:\/\/www.bestpcb.vn\/vi\/wp-json\/wp\/v2\/media?parent=458"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}