{"id":2160,"date":"2026-04-11T11:20:53","date_gmt":"2026-04-11T04:20:53","guid":{"rendered":"https:\/\/makipos.com\/?p=2160"},"modified":"2026-04-11T11:20:53","modified_gmt":"2026-04-11T04:20:53","slug":"han-song-va-han-reflow","status":"publish","type":"post","link":"https:\/\/makipos.com\/vi\/han-song-va-han-reflow\/","title":{"rendered":"H\u00e0n S\u00f3ng v\u00e0 H\u00e0n Reflow: \u01afu Nh\u01b0\u1ee3c \u0110i\u1ec3m v\u00e0 Khi N\u00e0o N\u00ean S\u1eed D\u1ee5ng?"},"content":{"rendered":"<p><em><span style=\"font-weight: 400;\">Trong s\u1ea3n xu\u1ea5t \u0111i\u1ec7n t\u1eed, c\u00f4ng ngh\u1ec7 h\u00e0n \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a b\u1ea3ng m\u1ea1ch. Trong \u0111\u00f3, H\u00e0n S\u00f3ng (Wave Soldering) v\u00e0 H\u00e0n Reflow (Reflow Soldering) l\u00e0 hai ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong quy tr\u00ecnh l\u1eafp r\u00e1p PCBA. M\u1ed7i ph\u01b0\u01a1ng ph\u00e1p c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 \u1ee9ng d\u1ee5ng ri\u00eang, ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng lo\u1ea1i linh ki\u1ec7n v\u00e0 y\u00eau c\u1ea7u s\u1ea3n xu\u1ea5t. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd ph\u00e2n t\u00edch s\u1ef1 kh\u00e1c nhau v\u00e0 gi\u00fap b\u1ea1n l\u1ef1a ch\u1ecdn gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u.<\/span><\/em><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_79_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">M\u1ee5c l\u1ee5c<\/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:\/\/makipos.com\/vi\/han-song-va-han-reflow\/#1_Han_Song\" >1. H\u00e0n S\u00f3ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/makipos.com\/vi\/han-song-va-han-reflow\/#2_Han_Reflow\" >2. H\u00e0n Reflow<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/makipos.com\/vi\/han-song-va-han-reflow\/#3_So_sanh_Han_Song_va_Han_Reflow\" >3. So s\u00e1nh H\u00e0n S\u00f3ng v\u00e0 H\u00e0n Reflow<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/makipos.com\/vi\/han-song-va-han-reflow\/#4_Nen_chon_Han_Song_hay_Han_Reflow\" >4. N\u00ean ch\u1ecdn H\u00e0n S\u00f3ng hay H\u00e0n Reflow?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/makipos.com\/vi\/han-song-va-han-reflow\/#5_Nhung_nham_lan_thuong_gap\" >5. Nh\u1eefng nh\u1ea7m l\u1eabn th\u01b0\u1eddng g\u1eb7p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/makipos.com\/vi\/han-song-va-han-reflow\/#Ket_luan\" >K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"1_Han_Song\"><\/span>1. H\u00e0n S\u00f3ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_2162\" aria-describedby=\"caption-attachment-2162\" style=\"width: 1125px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2162\" src=\"https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/han-song.webp\" alt=\"H\u00e0n S\u00f3ng\" width=\"1125\" height=\"630\" srcset=\"https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/han-song.webp 1125w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/han-song-300x168.webp 300w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/han-song-1024x573.webp 1024w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/han-song-768x430.webp 768w\" sizes=\"auto, (max-width: 1125px) 100vw, 1125px\" \/><figcaption id=\"caption-attachment-2162\" class=\"wp-caption-text\">H\u00e0n S\u00f3ng<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">H\u00e0n S\u00f3ng (Wave Soldering) l\u00e0 ph\u01b0\u01a1ng ph\u00e1p h\u00e0n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 g\u1eafn linh ki\u1ec7n \u0111i\u1ec7n t\u1eed l\u00ean b\u1ea3ng m\u1ea1ch in (PCB) b\u1eb1ng c\u00e1ch cho bo m\u1ea1ch \u0111i qua m\u1ed9t l\u00e0n s\u00f3ng thi\u1ebfc n\u00f3ng ch\u1ea3y. C\u00f4ng ngh\u1ec7 n\u00e0y ch\u1ee7 y\u1ebfu \u00e1p d\u1ee5ng cho linh ki\u1ec7n xuy\u00ean l\u1ed7 (THT) v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong s\u1ea3n xu\u1ea5t PCBA nh\u1edd hi\u1ec7u su\u1ea5t cao v\u00e0 \u0111\u1ed9 tin c\u1eady \u1ed5n \u0111\u1ecbnh.<\/span><\/p>\n<p><strong>&#8211; Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong><\/p>\n<p><span style=\"font-weight: 400;\">H\u00e0n S\u00f3ng ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd cho b\u1ea3ng m\u1ea1ch in (PCB) \u0111i qua m\u1ed9t l\u00e0n s\u00f3ng thi\u1ebfc n\u00f3ng ch\u1ea3y \u0111\u1ec3 t\u1ea1o li\u00ean k\u1ebft gi\u1eefa linh ki\u1ec7n v\u00e0 bo m\u1ea1ch. Tr\u01b0\u1edbc ti\u00ean, PCB \u0111\u01b0\u1ee3c ph\u1ee7 m\u1ed9t l\u1edbp flux nh\u1eb1m l\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t v\u00e0 t\u0103ng kh\u1ea3 n\u0103ng b\u00e1m d\u00ednh c\u1ee7a thi\u1ebfc. Sau \u0111\u00f3, bo m\u1ea1ch \u0111\u01b0\u1ee3c gia nhi\u1ec7t s\u01a1 b\u1ed9 \u0111\u1ec3 k\u00edch ho\u1ea1t flux v\u00e0 gi\u1ea3m s\u1ed1c nhi\u1ec7t. Khi di chuy\u1ec3n qua b\u1ec3 thi\u1ebfc, s\u00f3ng h\u00e0n s\u1ebd ti\u1ebfp x\u00fac v\u1edbi c\u00e1c ch\u00e2n linh ki\u1ec7n, t\u1ea1o n\u00ean c\u00e1c m\u1ed1i h\u00e0n ch\u1eafc ch\u1eafn v\u00e0 d\u1eabn \u0111i\u1ec7n t\u1ed1t. Cu\u1ed1i c\u00f9ng, PCB \u0111\u01b0\u1ee3c l\u00e0m ngu\u1ed9i \u0111\u1ec3 c\u1ed1 \u0111\u1ecbnh m\u1ed1i h\u00e0n v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n c\u1ee7a s\u1ea3n ph\u1ea9m.<\/span><\/p>\n<figure id=\"attachment_2163\" aria-describedby=\"caption-attachment-2163\" style=\"width: 1125px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2163\" src=\"https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/han-song-1.webp\" alt=\"Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u00e0n s\u00f3ng\" width=\"1125\" height=\"630\" srcset=\"https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/han-song-1.webp 1125w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/han-song-1-300x168.webp 300w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/han-song-1-1024x573.webp 1024w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/han-song-1-768x430.webp 768w\" sizes=\"auto, (max-width: 1125px) 100vw, 1125px\" \/><figcaption id=\"caption-attachment-2163\" class=\"wp-caption-text\">Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u00e0n s\u00f3ng<\/figcaption><\/figure>\n<p><strong>&#8211; \u01afu \u0111i\u1ec3m:<\/strong><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ph\u00f9 h\u1ee3p v\u1edbi linh ki\u1ec7n xuy\u00ean l\u1ed7 (THT).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">N\u0103ng su\u1ea5t cao, th\u00edch h\u1ee3p cho s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u1ea1o m\u1ed1i h\u00e0n ch\u1eafc ch\u1eafn v\u00e0 \u1ed5n \u0111\u1ecbnh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">D\u1ec5 t\u00edch h\u1ee3p v\u00e0o d\u00e2y chuy\u1ec1n t\u1ef1 \u0111\u1ed9ng h\u00f3a.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p.<\/span><\/li>\n<\/ul>\n<p><strong>&#8211; \u1ee8ng d\u1ee5ng n\u1ed5i tr\u1ed9i c\u1ee7a H\u00e0n S\u00f3ng:<\/strong><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u1ea1ch s\u1eed d\u1ee5ng linh ki\u1ec7n xuy\u00ean l\u1ed7 (THT).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u1ea1ch ngu\u1ed3n v\u00e0 m\u1ea1ch c\u00f4ng su\u1ea5t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Bo m\u1ea1ch c\u00f3 \u0111\u1ea7u n\u1ed1i, ch\u00e2n c\u1eafm v\u00e0 linh ki\u1ec7n k\u00edch th\u01b0\u1edbc l\u1edbn.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">PCB c\u00f4ng ngh\u1ec7 h\u1ed7n h\u1ee3p (SMT\u2013THT) \u0111\u1ec3 h\u00e0n c\u00e1c linh ki\u1ec7n xuy\u00ean l\u1ed7 sau qu\u00e1 tr\u00ecnh reflow.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"2_Han_Reflow\"><\/span>2. H\u00e0n Reflow<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_2164\" aria-describedby=\"caption-attachment-2164\" style=\"width: 1125px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2164\" src=\"https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/han-song-2.webp\" alt=\"H\u00e0n Reflow\u00a0\" width=\"1125\" height=\"630\" srcset=\"https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/han-song-2.webp 1125w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/han-song-2-300x168.webp 300w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/han-song-2-1024x573.webp 1024w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/han-song-2-768x430.webp 768w\" sizes=\"auto, (max-width: 1125px) 100vw, 1125px\" \/><figcaption id=\"caption-attachment-2164\" class=\"wp-caption-text\">H\u00e0n Reflow<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">H\u00e0n Reflow (Reflow Soldering) l\u00e0 ph\u01b0\u01a1ng ph\u00e1p h\u00e0n s\u1eed d\u1ee5ng kem h\u00e0n (solder paste) v\u00e0 l\u00f2 gia nhi\u1ec7t \u0111\u1ec3 g\u1eafn linh ki\u1ec7n \u0111i\u1ec7n t\u1eed l\u00ean b\u1ec1 m\u1eb7t b\u1ea3ng m\u1ea1ch in (PCB). \u0110\u00e2y l\u00e0 c\u00f4ng ngh\u1ec7 ch\u1ee7 \u0111\u1ea1o trong quy tr\u00ecnh l\u1eafp r\u00e1p SMT, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong s\u1ea3n xu\u1ea5t \u0111i\u1ec7n t\u1eed hi\u1ec7n \u0111\u1ea1i nh\u1edd \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 t\u00ednh t\u1ef1 \u0111\u1ed9ng h\u00f3a cao.<\/span><\/p>\n<p><strong>&#8211; Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong><\/p>\n<p><span style=\"font-weight: 400;\">H\u00e0n Reflow ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch nung ch\u1ea3y kem h\u00e0n \u0111\u1ec3 t\u1ea1o li\u00ean k\u1ebft gi\u1eefa linh ki\u1ec7n v\u00e0 PCB. Tr\u01b0\u1edbc ti\u00ean, kem h\u00e0n \u0111\u01b0\u1ee3c in l\u00ean c\u00e1c pad tr\u00ean b\u1ec1 m\u1eb7t bo m\u1ea1ch. Sau \u0111\u00f3, linh ki\u1ec7n SMT \u0111\u01b0\u1ee3c \u0111\u1eb7t ch\u00ednh x\u00e1c b\u1eb1ng m\u00e1y g\u1eafp t\u1ef1 \u0111\u1ed9ng. PCB ti\u1ebfp t\u1ee5c \u0111i qua l\u00f2 reflow v\u1edbi c\u00e1c v\u00f9ng nhi\u1ec7t \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd, bao g\u1ed3m gia nhi\u1ec7t s\u01a1 b\u1ed9, ng\u00e2m nhi\u1ec7t, n\u00f3ng ch\u1ea3y v\u00e0 l\u00e0m ngu\u1ed9i. Khi \u0111\u1ea1t \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 th\u00edch h\u1ee3p, kem h\u00e0n tan ch\u1ea3y, h\u00ecnh th\u00e0nh c\u00e1c m\u1ed1i h\u00e0n ch\u1eafc ch\u1eafn v\u00e0 \u1ed5n \u0111\u1ecbnh.<\/span><\/p>\n<figure id=\"attachment_2165\" aria-describedby=\"caption-attachment-2165\" style=\"width: 1125px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2165\" src=\"https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/han-reflow.webp\" alt=\"Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u00e0n reflow\" width=\"1125\" height=\"630\" srcset=\"https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/han-reflow.webp 1125w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/han-reflow-300x168.webp 300w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/han-reflow-1024x573.webp 1024w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/han-reflow-768x430.webp 768w\" sizes=\"auto, (max-width: 1125px) 100vw, 1125px\" \/><figcaption id=\"caption-attachment-2165\" class=\"wp-caption-text\">Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u00e0n reflow<\/figcaption><\/figure>\n<p><strong>&#8211; \u01afu \u0111i\u1ec3m:<\/strong><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ph\u00f9 h\u1ee3p v\u1edbi linh ki\u1ec7n d\u00e1n b\u1ec1 m\u1eb7t (SMT).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u1ed9 ch\u00ednh x\u00e1c cao, \u0111\u1ea3m b\u1ea3o m\u1ed1i h\u00e0n \u0111\u1ed3ng \u0111\u1ec1u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u00fd t\u01b0\u1edfng cho PCB m\u1eadt \u0111\u1ed9 linh ki\u1ec7n cao v\u00e0 k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">D\u1ec5 d\u00e0ng t\u1ef1 \u0111\u1ed9ng h\u00f3a trong s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u01b0\u01a1ng th\u00edch v\u1edbi c\u1ea3 h\u00e0n ch\u00ec v\u00e0 h\u00e0n kh\u00f4ng ch\u00ec.<\/span><\/li>\n<\/ul>\n<p><strong>&#8211; \u1ee8ng d\u1ee5ng n\u1ed5i tr\u1ed9i:<\/strong><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u1ea1ch s\u1eed d\u1ee5ng linh ki\u1ec7n d\u00e1n b\u1ec1 m\u1eb7t (SMT).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">PCB m\u1eadt \u0111\u1ed9 cao v\u00e0 k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn (HDI).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Bo m\u1ea1ch nhi\u1ec1u l\u1edbp (Multilayer PCB).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u1ea1ch \u0111i\u1ec7n t\u1eed y\u00eau c\u1ea7u \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u00e0 t\u00ednh \u1ed5n \u0111\u1ecbnh.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"3_So_sanh_Han_Song_va_Han_Reflow\"><\/span>3. So s\u00e1nh H\u00e0n S\u00f3ng v\u00e0 H\u00e0n Reflow<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">H\u00e0n S\u00f3ng v\u00e0 H\u00e0n Reflow l\u00e0 hai c\u00f4ng ngh\u1ec7 h\u00e0n quan tr\u1ecdng trong s\u1ea3n xu\u1ea5t PCBA, m\u1ed7i ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nh\u1eefng y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt kh\u00e1c nhau. Vi\u1ec7c so s\u00e1nh hai c\u00f4ng ngh\u1ec7 n\u00e0y gi\u00fap doanh nghi\u1ec7p l\u1ef1a ch\u1ecdn gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p v\u1edbi thi\u1ebft k\u1ebf PCB v\u00e0 m\u1ee5c ti\u00eau s\u1ea3n xu\u1ea5t.<\/span><\/p>\n<table style=\"width: 89.7763%; height: 664px;\">\n<tbody>\n<tr style=\"height: 56px;\">\n<td style=\"text-align: center; height: 56px;\"><strong>Ti\u00eau ch\u00ed<\/strong><\/td>\n<td style=\"text-align: center; height: 56px;\"><strong>H\u00e0n S\u00f3ng (Wave Soldering)<\/strong><\/td>\n<td style=\"text-align: center; height: 56px;\"><strong>H\u00e0n Reflow (Reflow Soldering)<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 56px;\">\n<td style=\"text-align: center; height: 56px;\"><strong>Nguy\u00ean l\u00fd<\/strong><\/td>\n<td style=\"height: 56px;\">PCB \u0111i qua s\u00f3ng thi\u1ebfc n\u00f3ng ch\u1ea3y<\/td>\n<td style=\"height: 56px;\">Kem h\u00e0n \u0111\u01b0\u1ee3c nung ch\u1ea3y trong l\u00f2 reflow<\/td>\n<\/tr>\n<tr style=\"height: 56px;\">\n<td style=\"text-align: center; height: 56px;\"><strong>Lo\u1ea1i linh ki\u1ec7n<\/strong><\/td>\n<td style=\"height: 56px;\">Ch\u1ee7 y\u1ebfu linh ki\u1ec7n xuy\u00ean l\u1ed7 (THT)<\/td>\n<td style=\"height: 56px;\">Ch\u1ee7 y\u1ebfu linh ki\u1ec7n d\u00e1n b\u1ec1 m\u1eb7t (SMT)<\/td>\n<\/tr>\n<tr style=\"height: 56px;\">\n<td style=\"text-align: center; height: 56px;\"><strong>V\u1eadt li\u1ec7u h\u00e0n<\/strong><\/td>\n<td style=\"height: 56px;\">Thi\u1ebfc n\u00f3ng ch\u1ea3y v\u00e0 flux<\/td>\n<td style=\"height: 56px;\">Kem h\u00e0n (solder paste)<\/td>\n<\/tr>\n<tr style=\"height: 80px;\">\n<td style=\"text-align: center; height: 80px;\"><strong>Quy tr\u00ecnh<\/strong><\/td>\n<td style=\"height: 80px;\">Ph\u1ee7 flux \u2192 Gia nhi\u1ec7t \u2192 H\u00e0n s\u00f3ng \u2192 L\u00e0m ngu\u1ed9i<\/td>\n<td style=\"height: 80px;\">In kem h\u00e0n \u2192 G\u1eafn linh ki\u1ec7n \u2192 Reflow \u2192 L\u00e0m ngu\u1ed9i<\/td>\n<\/tr>\n<tr style=\"height: 56px;\">\n<td style=\"text-align: center; height: 56px;\"><strong>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/strong><\/td>\n<td style=\"height: 56px;\">Trung b\u00ecnh<\/td>\n<td style=\"height: 56px;\">Cao<\/td>\n<\/tr>\n<tr style=\"height: 80px;\">\n<td style=\"text-align: center; height: 80px;\"><strong>Kh\u1ea3 n\u0103ng t\u1ef1 \u0111\u1ed9ng h\u00f3a<\/strong><\/td>\n<td style=\"height: 80px;\">Cao<\/td>\n<td style=\"height: 80px;\">R\u1ea5t cao<\/td>\n<\/tr>\n<tr style=\"height: 56px;\">\n<td style=\"text-align: center; height: 56px;\"><strong>Lo\u1ea1i PCB ph\u00f9 h\u1ee3p<\/strong><\/td>\n<td style=\"height: 56px;\">PCB THT, m\u1ea1ch c\u00f4ng su\u1ea5t, PCB h\u1ed7n h\u1ee3p<\/td>\n<td style=\"height: 56px;\">PCB SMT, HDI v\u00e0 bo m\u1ea1ch m\u1eadt \u0111\u1ed9 cao<\/td>\n<\/tr>\n<tr style=\"height: 56px;\">\n<td style=\"text-align: center; height: 56px;\"><strong>Ch\u1ea5t l\u01b0\u1ee3ng m\u1ed1i h\u00e0n<\/strong><\/td>\n<td style=\"height: 56px;\">Ch\u1eafc ch\u1eafn, b\u1ec1n c\u01a1 h\u1ecdc<\/td>\n<td style=\"height: 56px;\">\u0110\u1ed3ng \u0111\u1ec1u, ch\u00ednh x\u00e1c v\u00e0 \u1ed5n \u0111\u1ecbnh<\/td>\n<\/tr>\n<tr style=\"height: 56px;\">\n<td style=\"text-align: center; height: 56px;\"><strong>Quy m\u00f4 s\u1ea3n xu\u1ea5t<\/strong><\/td>\n<td style=\"height: 56px;\">Ph\u00f9 h\u1ee3p s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t THT<\/td>\n<td style=\"height: 56px;\">T\u1ed1i \u01b0u cho s\u1ea3n xu\u1ea5t SMT hi\u1ec7n \u0111\u1ea1i<\/td>\n<\/tr>\n<tr style=\"height: 56px;\">\n<td style=\"text-align: center; height: 56px;\"><strong>Vai tr\u00f2 trong PCBA<\/strong><\/td>\n<td style=\"height: 56px;\">H\u00e0n linh ki\u1ec7n xuy\u00ean l\u1ed7<\/td>\n<td style=\"height: 56px;\">H\u00e0n linh ki\u1ec7n d\u00e1n b\u1ec1 m\u1eb7t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Qua b\u1ea3ng so s\u00e1nh tr\u00ean, c\u00f3 th\u1ec3 th\u1ea5y H\u00e0n S\u00f3ng ph\u00f9 h\u1ee3p v\u1edbi linh ki\u1ec7n xuy\u00ean l\u1ed7 v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u \u0111\u1ed9 b\u1ec1n cao, trong khi H\u00e0n Reflow l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u cho c\u00f4ng ngh\u1ec7 SMT v\u00e0 c\u00e1c thi\u1ebft k\u1ebf \u0111i\u1ec7n t\u1eed hi\u1ec7n \u0111\u1ea1i.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"4_Nen_chon_Han_Song_hay_Han_Reflow\"><\/span>4. N\u00ean ch\u1ecdn H\u00e0n S\u00f3ng hay H\u00e0n Reflow?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa H\u00e0n S\u00f3ng v\u00e0 H\u00e0n Reflow ph\u1ee5 thu\u1ed9c v\u00e0o thi\u1ebft k\u1ebf PCB, lo\u1ea1i linh ki\u1ec7n v\u00e0 y\u00eau c\u1ea7u s\u1ea3n xu\u1ea5t. M\u1ed7i ph\u01b0\u01a1ng ph\u00e1p ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng \u1ee9ng d\u1ee5ng kh\u00e1c nhau trong quy tr\u00ecnh l\u1eafp r\u00e1p PCBA.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>H\u00e0n Reflow:<\/strong> L\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u cho linh ki\u1ec7n d\u00e1n b\u1ec1 m\u1eb7t (SMT), \u0111\u1eb7c bi\u1ec7t trong c\u00e1c s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed hi\u1ec7n \u0111\u1ea1i y\u00eau c\u1ea7u \u0111\u1ed9 ch\u00ednh x\u00e1c cao, m\u1eadt \u0111\u1ed9 linh ki\u1ec7n l\u1edbn v\u00e0 m\u1ee9c \u0111\u1ed9 t\u1ef1 \u0111\u1ed9ng h\u00f3a cao.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>H\u00e0n S\u00f3ng:<\/strong> Ph\u00f9 h\u1ee3p v\u1edbi linh ki\u1ec7n xuy\u00ean l\u1ed7 (THT), th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p, b\u1ed9 ngu\u1ed3n v\u00e0 nh\u1eefng \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc v\u00e0 \u0111\u1ed9 tin c\u1eady cao.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>K\u1ebft h\u1ee3p c\u1ea3 hai ph\u01b0\u01a1ng ph\u00e1p:<\/strong> \u0110\u1ed1i v\u1edbi c\u00e1c bo m\u1ea1ch s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 h\u1ed7n h\u1ee3p, H\u00e0n Reflow \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u01b0\u1edbc \u0111\u1ec3 g\u1eafn linh ki\u1ec7n SMT, sau \u0111\u00f3 H\u00e0n S\u00f3ng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ec3 ho\u00e0n thi\u1ec7n c\u00e1c linh ki\u1ec7n THT.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang ph\u01b0\u01a1ng ph\u00e1p kh\u00f4ng ch\u1ec9 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng m\u1ed1i h\u00e0n m\u00e0 c\u00f2n t\u1ed1i \u01b0u chi ph\u00ed v\u00e0 hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t trong quy tr\u00ecnh PCBA.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"5_Nhung_nham_lan_thuong_gap\"><\/span>5. Nh\u1eefng nh\u1ea7m l\u1eabn th\u01b0\u1eddng g\u1eb7p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Trong th\u1ef1c t\u1ebf, H\u00e0n S\u00f3ng v\u00e0 H\u00e0n Reflow th\u01b0\u1eddng b\u1ecb nh\u1ea7m l\u1eabn do c\u00f9ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong quy tr\u00ecnh l\u1eafp r\u00e1p PCBA. Nh\u1eefng hi\u1ec3u l\u1ea7m n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn l\u1ef1a ch\u1ecdn c\u00f4ng ngh\u1ec7 kh\u00f4ng ph\u00f9 h\u1ee3p v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u00e0n S\u00f3ng c\u00f3 th\u1ec3 thay th\u1ebf ho\u00e0n to\u00e0n H\u00e0n Reflow: Kh\u00f4ng ch\u00ednh x\u00e1c. H\u00e0n S\u00f3ng ch\u1ee7 y\u1ebfu d\u00e0nh cho linh ki\u1ec7n xuy\u00ean l\u1ed7 (THT), trong khi H\u00e0n Reflow \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho linh ki\u1ec7n d\u00e1n b\u1ec1 m\u1eb7t (SMT).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u00e0n Reflow ch\u1ec9 d\u00f9ng cho s\u1ea3n ph\u1ea9m cao c\u1ea5p: Th\u1ef1c t\u1ebf, \u0111\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ti\u00eau chu\u1ea9n trong s\u1ea3n xu\u1ea5t \u0111i\u1ec7n t\u1eed hi\u1ec7n \u0111\u1ea1i, t\u1eeb thi\u1ebft b\u1ecb ti\u00eau d\u00f9ng \u0111\u1ebfn c\u00f4ng nghi\u1ec7p.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hai ph\u01b0\u01a1ng ph\u00e1p kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng c\u00f9ng nhau: Nhi\u1ec1u bo m\u1ea1ch s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 h\u1ed7n h\u1ee3p (SMT v\u00e0 THT) k\u1ebft h\u1ee3p c\u1ea3 hai ph\u01b0\u01a1ng ph\u00e1p trong quy tr\u00ecnh PCBA.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u00e0n S\u00f3ng c\u00f3 chi ph\u00ed th\u1ea5p h\u01a1n trong m\u1ecdi tr\u01b0\u1eddng h\u1ee3p: Chi ph\u00ed ph\u1ee5 thu\u1ed9c v\u00e0o thi\u1ebft k\u1ebf PCB, lo\u1ea1i linh ki\u1ec7n v\u00e0 quy m\u00f4 s\u1ea3n xu\u1ea5t, kh\u00f4ng ch\u1ec9 ri\u00eang c\u00f4ng ngh\u1ec7 h\u00e0n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ch\u1ec9 c\u1ea7n h\u00e0n l\u00e0 \u0111\u1ee7, kh\u00f4ng c\u1ea7n ki\u1ec3m tra: D\u00f9 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0o, c\u00e1c b\u01b0\u1edbc ki\u1ec3m tra nh\u01b0 AOI, ICT ho\u1eb7c X-ray v\u1eabn c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Hi\u1ec3u r\u00f5 nh\u1eefng nh\u1ea7m l\u1eabn n\u00e0y gi\u00fap doanh nghi\u1ec7p l\u1ef1a ch\u1ecdn \u0111\u00fang c\u00f4ng ngh\u1ec7 h\u00e0n, t\u1ed1i \u01b0u quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 n\u00e2ng cao \u0111\u1ed9 tin c\u1eady c\u1ee7a s\u1ea3n ph\u1ea9m.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span>K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">H\u00e0n S\u00f3ng v\u00e0 H\u00e0n Reflow l\u00e0 hai c\u00f4ng ngh\u1ec7 quan tr\u1ecdng trong s\u1ea3n xu\u1ea5t PCBA, m\u1ed7i ph\u01b0\u01a1ng ph\u00e1p ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng lo\u1ea1i linh ki\u1ec7n v\u00e0 y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt. H\u00e0n S\u00f3ng t\u1ed1i \u01b0u cho linh ki\u1ec7n xuy\u00ean l\u1ed7, trong khi H\u00e0n Reflow l\u00e0 l\u1ef1a ch\u1ecdn ti\u00eau chu\u1ea9n cho c\u00f4ng ngh\u1ec7 SMT hi\u1ec7n \u0111\u1ea1i. Vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang c\u00f4ng ngh\u1ec7 gi\u00fap n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m v\u00e0 t\u1ed1i \u01b0u hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong s\u1ea3n xu\u1ea5t \u0111i\u1ec7n t\u1eed, c\u00f4ng ngh\u1ec7 h\u00e0n \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a b\u1ea3ng m\u1ea1ch. Trong \u0111\u00f3, H\u00e0n S\u00f3ng (Wave Soldering) v\u00e0 H\u00e0n Reflow (Reflow Soldering) l\u00e0 hai ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong quy tr\u00ecnh l\u1eafp r\u00e1p PCBA. M\u1ed7i [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2161,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2160","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc-nganh"],"acf":[],"_links":{"self":[{"href":"https:\/\/makipos.com\/wp-json\/wp\/v2\/posts\/2160","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/makipos.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/makipos.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/makipos.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/makipos.com\/wp-json\/wp\/v2\/comments?post=2160"}],"version-history":[{"count":1,"href":"https:\/\/makipos.com\/wp-json\/wp\/v2\/posts\/2160\/revisions"}],"predecessor-version":[{"id":2166,"href":"https:\/\/makipos.com\/wp-json\/wp\/v2\/posts\/2160\/revisions\/2166"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/makipos.com\/wp-json\/wp\/v2\/media\/2161"}],"wp:attachment":[{"href":"https:\/\/makipos.com\/wp-json\/wp\/v2\/media?parent=2160"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/makipos.com\/wp-json\/wp\/v2\/categories?post=2160"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/makipos.com\/wp-json\/wp\/v2\/tags?post=2160"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}