{"id":2063,"date":"2026-04-03T13:55:32","date_gmt":"2026-04-03T06:55:32","guid":{"rendered":"https:\/\/makipos.com\/?p=2063"},"modified":"2026-04-03T15:30:55","modified_gmt":"2026-04-03T08:30:55","slug":"solder-flux-la-gi","status":"publish","type":"post","link":"https:\/\/makipos.com\/vi\/solder-flux-la-gi\/","title":{"rendered":"Solder Flux l\u00e0 g\u00ec? Vai tr\u00f2, ph\u00e2n lo\u1ea1i v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3"},"content":{"rendered":"<p><em>Trong qu\u00e1 tr\u00ecnh h\u00e0n \u0111i\u1ec7n t\u1eed, ch\u1ea5t l\u01b0\u1ee3ng m\u1ed1i h\u00e0n kh\u00f4ng ch\u1ec9 ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec7t \u0111\u1ed9 hay v\u1eadt li\u1ec7u h\u00e0n m\u00e0 c\u00f2n li\u00ean quan ch\u1eb7t ch\u1ebd \u0111\u1ebfn ch\u1ea5t tr\u1ee3 h\u00e0n (solder flux). \u0110\u00e2y l\u00e0 th\u00e0nh ph\u1ea7n quan tr\u1ecdng gi\u00fap l\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t, c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u00e1m d\u00ednh v\u00e0 \u0111\u1ea3m b\u1ea3o m\u1ed1i h\u00e0n \u1ed5n \u0111\u1ecbnh.<\/em><\/p>\n<p><em>Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i ai c\u0169ng hi\u1ec3u r\u00f5 flux ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o v\u00e0 n\u00ean s\u1eed d\u1ee5ng lo\u1ea1i n\u00e0o trong t\u1eebng tr\u01b0\u1eddng h\u1ee3p. Trong b\u00e0i vi\u1ebft n\u00e0y, b\u1ea1n s\u1ebd t\u00ecm hi\u1ec3u solder flux l\u00e0 g\u00ec, vai tr\u00f2, c\u00e1c lo\u1ea1i ph\u1ed5 bi\u1ebfn v\u00e0 c\u00e1ch l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p trong s\u1ea3n xu\u1ea5t PCBA.<\/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\/solder-flux-la-gi\/#1_Solder_flux_la_gi\" >1. Solder flux l\u00e0 g\u00ec?<\/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\/solder-flux-la-gi\/#2_Vai_tro_cua_flux_trong_han\" >2. Vai tr\u00f2 c\u1ee7a flux trong h\u00e0n<\/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\/solder-flux-la-gi\/#3_Cac_loai_solder_flux_pho_bien\" >3. C\u00e1c lo\u1ea1i solder flux ph\u1ed5 bi\u1ebfn<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/makipos.com\/vi\/solder-flux-la-gi\/#31_Rosin_flux_flux_goc_nhua_thong\" >3.1. Rosin flux (flux g\u1ed1c nh\u1ef1a th\u00f4ng)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/makipos.com\/vi\/solder-flux-la-gi\/#32_No-clean_flux\" >3.2. No-clean flux<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/makipos.com\/vi\/solder-flux-la-gi\/#33_Water-soluble_flux_flux_hoa_tan_trong_nuoc\" >3.3. Water-soluble flux (flux h\u00f2a tan trong n\u01b0\u1edbc)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/makipos.com\/vi\/solder-flux-la-gi\/#4_So_sanh_cac_loai_flux\" >4. So s\u00e1nh c\u00e1c lo\u1ea1i flux<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/makipos.com\/vi\/solder-flux-la-gi\/#5_Khi_nao_can_su_dung_flux\" >5. Khi n\u00e0o c\u1ea7n s\u1eed d\u1ee5ng flux<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/makipos.com\/vi\/solder-flux-la-gi\/#6_Cac_loi_lien_quan_den_flux\" >6. C\u00e1c l\u1ed7i li\u00ean quan \u0111\u1ebfn flux<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/makipos.com\/vi\/solder-flux-la-gi\/#7_Cach_chon_flux_phu_hop\" >7. C\u00e1ch ch\u1ecdn flux ph\u00f9 h\u1ee3p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/makipos.com\/vi\/solder-flux-la-gi\/#Ket_luan\" >K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"1_Solder_flux_la_gi\"><\/span>1. Solder flux l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Solder flux (ch\u1ea5t tr\u1ee3 h\u00e0n) l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh h\u00e0n \u0111i\u1ec7n t\u1eed nh\u1eb1m l\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t kim lo\u1ea1i v\u00e0 h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh t\u1ea1o m\u1ed1i h\u00e0n. Flux gi\u00fap lo\u1ea1i b\u1ecf l\u1edbp oxit tr\u00ean b\u1ec1 m\u1eb7t pad v\u00e0 ch\u00e2n linh ki\u1ec7n, t\u1eeb \u0111\u00f3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng b\u00e1m d\u00ednh c\u1ee7a thi\u1ebfc h\u00e0n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Trong qu\u00e1 tr\u00ecnh gia nhi\u1ec7t, flux s\u1ebd ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t ch\u1ea5t trung gian, gi\u00fap thi\u1ebfc n\u00f3ng ch\u1ea3y lan \u0111\u1ec1u v\u00e0 t\u1ea1o li\u00ean k\u1ebft ch\u1eafc ch\u1eafn gi\u1eefa c\u00e1c b\u1ec1 m\u1eb7t kim lo\u1ea1i. Nh\u1edd \u0111\u00f3, m\u1ed1i h\u00e0n \u0111\u1ea1t \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n t\u1ed1t v\u00e0 \u1ed5n \u0111\u1ecbnh h\u01a1n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Trong s\u1ea3n xu\u1ea5t PCBA, flux \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf nhi\u1ec1u c\u00f4ng \u0111o\u1ea1n kh\u00e1c nhau nh\u01b0 in kem h\u00e0n (solder paste), h\u00e0n reflow ho\u1eb7c h\u00e0n s\u00f3ng. \u0110\u00e2y l\u00e0 th\u00e0nh ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng m\u1ed1i h\u00e0n v\u00e0 h\u1ea1n ch\u1ebf c\u00e1c l\u1ed7i trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p.<\/span><\/p>\n<figure id=\"attachment_2067\" aria-describedby=\"caption-attachment-2067\" style=\"width: 1125px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2067\" src=\"https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/solder-flux-la-gi-1.webp\" alt=\"Solder flux\" width=\"1125\" height=\"630\" srcset=\"https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/solder-flux-la-gi-1.webp 1125w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/solder-flux-la-gi-1-300x168.webp 300w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/solder-flux-la-gi-1-1024x573.webp 1024w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/solder-flux-la-gi-1-768x430.webp 768w\" sizes=\"auto, (max-width: 1125px) 100vw, 1125px\" \/><figcaption id=\"caption-attachment-2067\" class=\"wp-caption-text\">Solder flux<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"2_Vai_tro_cua_flux_trong_han\"><\/span>2. Vai tr\u00f2 c\u1ee7a flux trong h\u00e0n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Trong qu\u00e1 tr\u00ecnh h\u00e0n \u0111i\u1ec7n t\u1eed, flux \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o m\u1ed1i h\u00e0n \u0111\u1ea1t ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t v\u00e0 \u1ed5n \u0111\u1ecbnh. Kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 h\u1ed7 tr\u1ee3, flux c\u00f2n \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn kh\u1ea3 n\u0103ng h\u00ecnh th\u00e0nh v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a m\u1ed1i h\u00e0n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u1ee5 th\u1ec3, flux c\u00f3 c\u00e1c vai tr\u00f2 ch\u00ednh sau:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>L\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t kim lo\u1ea1i:<\/b><span style=\"font-weight: 400;\"> Lo\u1ea1i b\u1ecf l\u1edbp oxit tr\u00ean pad v\u00e0 ch\u00e2n linh ki\u1ec7n, gi\u00fap thi\u1ebfc d\u1ec5 b\u00e1m h\u01a1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ng\u0103n ch\u1eb7n qu\u00e1 tr\u00ecnh oxy h\u00f3a:<\/b><span style=\"font-weight: 400;\"> Trong qu\u00e1 tr\u00ecnh gia nhi\u1ec7t, flux t\u1ea1o l\u1edbp b\u1ea3o v\u1ec7 gi\u00fap h\u1ea1n ch\u1ebf h\u00ecnh th\u00e0nh oxit m\u1edbi.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng lan ch\u1ea3y c\u1ee7a thi\u1ebfc:<\/b><span style=\"font-weight: 400;\"> Gi\u00fap thi\u1ebfc n\u00f3ng ch\u1ea3y lan \u0111\u1ec1u v\u00e0 b\u00e1m t\u1ed1t l\u00ean b\u1ec1 m\u1eb7t kim lo\u1ea1i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>T\u0103ng \u0111\u1ed9 b\u1ec1n m\u1ed1i h\u00e0n:<\/b><span style=\"font-weight: 400;\"> Gi\u00fap t\u1ea1o li\u00ean k\u1ebft ch\u1eafc ch\u1eafn, \u0111\u1ea3m b\u1ea3o d\u1eabn \u0111i\u1ec7n \u1ed5n \u0111\u1ecbnh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Gi\u1ea3m l\u1ed7i trong qu\u00e1 tr\u00ecnh h\u00e0n:<\/b><span style=\"font-weight: 400;\"> H\u1ea1n ch\u1ebf c\u00e1c l\u1ed7i nh\u01b0 h\u00e0n kh\u00f4ng b\u00e1m, m\u1ed1i h\u00e0n k\u00e9m ho\u1eb7c kh\u00f4ng \u0111\u1ec1u.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Nh\u1edd nh\u1eefng vai tr\u00f2 n\u00e0y, flux tr\u1edf th\u00e0nh y\u1ebfu t\u1ed1 kh\u00f4ng th\u1ec3 thi\u1ebfu trong h\u1ea7u h\u1ebft c\u00e1c quy tr\u00ecnh h\u00e0n \u0111i\u1ec7n t\u1eed, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong s\u1ea3n xu\u1ea5t PCBA.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"3_Cac_loai_solder_flux_pho_bien\"><\/span>3. C\u00e1c lo\u1ea1i solder flux ph\u1ed5 bi\u1ebfn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_2068\" aria-describedby=\"caption-attachment-2068\" style=\"width: 1125px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2068\" src=\"https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/cac-loai-solder-flux-pho-bien-1.webp\" alt=\"C\u00e1c lo\u1ea1i solder flux ph\u1ed5 bi\u1ebfn\" width=\"1125\" height=\"424\" srcset=\"https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/cac-loai-solder-flux-pho-bien-1.webp 1125w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/cac-loai-solder-flux-pho-bien-1-300x113.webp 300w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/cac-loai-solder-flux-pho-bien-1-1024x386.webp 1024w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/cac-loai-solder-flux-pho-bien-1-768x289.webp 768w\" sizes=\"auto, (max-width: 1125px) 100vw, 1125px\" \/><figcaption id=\"caption-attachment-2068\" class=\"wp-caption-text\">C\u00e1c lo\u1ea1i solder flux ph\u1ed5 bi\u1ebfn<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Trong th\u1ef1c t\u1ebf, solder flux \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i d\u1ef1a tr\u00ean th\u00e0nh ph\u1ea7n v\u00e0 m\u1ee9c \u0111\u1ed9 ho\u1ea1t t\u00ednh. M\u1ed7i lo\u1ea1i s\u1ebd ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt v\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t kh\u00e1c nhau.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c lo\u1ea1i flux ph\u1ed5 bi\u1ebfn trong h\u00e0n \u0111i\u1ec7n t\u1eed:<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"31_Rosin_flux_flux_goc_nhua_thong\"><\/span>3.1. Rosin flux (flux g\u1ed1c nh\u1ef1a th\u00f4ng)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 lo\u1ea1i flux truy\u1ec1n th\u1ed1ng, \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb nh\u1ef1a th\u00f4ng t\u1ef1 nhi\u00ean.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng l\u00e0m s\u1ea1ch t\u1ed1t, ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u01b0\u1eddng \u0111\u1ec3 l\u1ea1i c\u1eb7n sau khi h\u00e0n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ea7n v\u1ec7 sinh n\u1ebfu s\u1eed d\u1ee5ng trong c\u00e1c s\u1ea3n ph\u1ea9m y\u00eau c\u1ea7u cao.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n \u0111\u1ed9 tin c\u1eady cao v\u00e0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng ch\u1eb7t ch\u1ebd.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"32_No-clean_flux\"><\/span>3.2. No-clean flux<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Lo\u1ea1i flux n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 kh\u00f4ng c\u1ea7n v\u1ec7 sinh sau khi h\u00e0n.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u1ec3 l\u1ea1i r\u1ea5t \u00edt c\u1eb7n v\u00e0 kh\u00f4ng d\u1eabn \u0111i\u1ec7n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 chi ph\u00ed l\u00e0m s\u1ea1ch.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng l\u00e0m s\u1ea1ch th\u1ea5p h\u01a1n so v\u1edbi c\u00e1c lo\u1ea1i flux ho\u1ea1t t\u00ednh m\u1ea1nh.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ph\u00f9 h\u1ee3p v\u1edbi s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t v\u00e0 quy tr\u00ecnh t\u1ef1 \u0111\u1ed9ng.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"33_Water-soluble_flux_flux_hoa_tan_trong_nuoc\"><\/span>3.3. Water-soluble flux (flux h\u00f2a tan trong n\u01b0\u1edbc)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 lo\u1ea1i flux c\u00f3 ho\u1ea1t t\u00ednh m\u1ea1nh v\u00e0 d\u1ec5 d\u00e0ng l\u00e0m s\u1ea1ch b\u1eb1ng n\u01b0\u1edbc.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng lo\u1ea1i b\u1ecf oxit r\u1ea5t t\u1ed1t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">D\u1ec5 v\u1ec7 sinh sau khi h\u00e0n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">N\u1ebfu kh\u00f4ng l\u00e0m s\u1ea1ch k\u1ef9 c\u00f3 th\u1ec3 g\u00e2y \u0103n m\u00f2n.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m y\u00eau c\u1ea7u \u0111\u1ed9 s\u1ea1ch cao v\u00e0 ti\u00eau chu\u1ea9n nghi\u00eam ng\u1eb7t.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"4_So_sanh_cac_loai_flux\"><\/span>4. So s\u00e1nh c\u00e1c lo\u1ea1i flux<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">M\u1ed7i lo\u1ea1i flux c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m ri\u00eang v\u1ec1 kh\u1ea3 n\u0103ng l\u00e0m s\u1ea1ch, m\u1ee9c \u0111\u1ed9 \u0111\u1ec3 l\u1ea1i c\u1eb7n v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf. Vi\u1ec7c so s\u00e1nh s\u1ebd gi\u00fap l\u1ef1a ch\u1ecdn lo\u1ea1i ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng y\u00eau c\u1ea7u s\u1ea3n xu\u1ea5t.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td style=\"text-align: center;\"><b>Ti\u00eau ch\u00ed<\/b><\/td>\n<td style=\"text-align: center;\"><b>Rosin flux<\/b><\/td>\n<td style=\"text-align: center;\"><b>No-clean flux<\/b><\/td>\n<td style=\"text-align: center;\"><b>Water-soluble flux<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng l\u00e0m s\u1ea1ch<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ed1t<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Trung b\u00ecnh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u1ea5t t\u1ed1t<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u0110\u1ed9 ho\u1ea1t t\u00ednh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Trung b\u00ecnh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Th\u1ea5p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cao<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">C\u1eb7n sau h\u00e0n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3, c\u1ea7n v\u1ec7 sinh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u1ea5t \u00edt, th\u01b0\u1eddng kh\u00f4ng c\u1ea7n v\u1ec7 sinh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3, c\u1ea7n l\u00e0m s\u1ea1ch k\u1ef9<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u v\u1ec7 sinh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u00f4ng ho\u1eb7c r\u1ea5t \u00edt<\/span><\/td>\n<td><span style=\"font-weight: 400;\">B\u1eaft bu\u1ed9c<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Nguy c\u01a1 \u0103n m\u00f2n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Th\u1ea5p (n\u1ebfu l\u00e0m s\u1ea1ch \u0111\u00fang)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u1ea5t th\u1ea5p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cao n\u1ebfu kh\u00f4ng l\u00e0m s\u1ea1ch<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">S\u1ea3n ph\u1ea9m y\u00eau c\u1ea7u \u0111\u1ed9 tin c\u1eady cao<\/span><\/td>\n<td><span style=\"font-weight: 400;\">S\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t, quy tr\u00ecnh nhanh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">S\u1ea3n ph\u1ea9m y\u00eau c\u1ea7u \u0111\u1ed9 s\u1ea1ch cao<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">V\u1ec1 c\u01a1 b\u1ea3n, no-clean flux ph\u00f9 h\u1ee3p v\u1edbi s\u1ea3n xu\u1ea5t nhanh v\u00e0 t\u1ed1i \u01b0u chi ph\u00ed, trong khi water-soluble flux \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi c\u1ea7n \u0111\u1ed9 s\u1ea1ch cao. Rosin flux n\u1eb1m \u1edf m\u1ee9c trung gian, c\u00e2n b\u1eb1ng gi\u1eefa kh\u1ea3 n\u0103ng l\u00e0m s\u1ea1ch v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a m\u1ed1i h\u00e0n.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"5_Khi_nao_can_su_dung_flux\"><\/span>5. Khi n\u00e0o c\u1ea7n s\u1eed d\u1ee5ng flux<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Trong th\u1ef1c t\u1ebf, flux \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ea7u h\u1ebft c\u00e1c quy tr\u00ecnh h\u00e0n \u0111i\u1ec7n t\u1eed. Tuy nhi\u00ean, m\u1ee9c \u0111\u1ed9 c\u1ea7n thi\u1ebft v\u00e0 lo\u1ea1i flux s\u1eed d\u1ee5ng s\u1ebd ph\u1ee5 thu\u1ed9c v\u00e0o t\u00ecnh tr\u1ea1ng b\u1ec1 m\u1eb7t, lo\u1ea1i linh ki\u1ec7n v\u00e0 y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a s\u1ea3n ph\u1ea9m.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p c\u1ea7n s\u1eed d\u1ee5ng flux:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Khi b\u1ec1 m\u1eb7t kim lo\u1ea1i b\u1ecb oxy h\u00f3a: <\/b><span style=\"font-weight: 400;\">L\u1edbp oxit tr\u00ean pad ho\u1eb7c ch\u00e2n linh ki\u1ec7n s\u1ebd c\u1ea3n tr\u1edf qu\u00e1 tr\u00ecnh b\u00e1m thi\u1ebfc. Flux gi\u00fap l\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng h\u00e0n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Khi h\u00e0n linh ki\u1ec7n c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf ho\u1eb7c ph\u1ee9c t\u1ea1p: <\/b><span style=\"font-weight: 400;\">V\u1edbi c\u00e1c linh ki\u1ec7n nh\u01b0 BGA, QFN ho\u1eb7c fine pitch, flux gi\u00fap thi\u1ebfc lan \u0111\u1ec1u v\u00e0 gi\u1ea3m nguy c\u01a1 l\u1ed7i m\u1ed1i h\u00e0n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Trong qu\u00e1 tr\u00ecnh rework ho\u1eb7c s\u1eeda ch\u1eefa: <\/b><span style=\"font-weight: 400;\">Khi h\u00e0n l\u1ea1i ho\u1eb7c thay th\u1ebf linh ki\u1ec7n, flux gi\u00fap t\u0103ng \u0111\u1ed9 b\u00e1m v\u00e0 h\u1ea1n ch\u1ebf l\u1ed7i do b\u1ec1 m\u1eb7t \u0111\u00e3 b\u1ecb \u1ea3nh h\u01b0\u1edfng tr\u01b0\u1edbc \u0111\u00f3.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Khi y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng m\u1ed1i h\u00e0n cao: <\/b><span style=\"font-weight: 400;\">C\u00e1c s\u1ea3n ph\u1ea9m y\u00eau c\u1ea7u \u0111\u1ed9 tin c\u1eady cao c\u1ea7n flux \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ed1i h\u00e0n ch\u1eafc ch\u1eafn v\u00e0 \u1ed5n \u0111\u1ecbnh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Khi s\u1eed d\u1ee5ng thi\u1ebfc h\u00e0n kh\u00f4ng ch\u1ee9a flux ho\u1eb7c flux y\u1ebfu: <\/b><span style=\"font-weight: 400;\">Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, c\u1ea7n b\u1ed5 sung flux \u0111\u1ec3 h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh h\u00e0n hi\u1ec7u qu\u1ea3 h\u01a1n.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Nh\u00ecn chung, flux g\u1ea7n nh\u01b0 l\u00e0 th\u00e0nh ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong h\u00e0n \u0111i\u1ec7n t\u1eed, \u0111\u1eb7c bi\u1ec7t khi c\u1ea7n \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng m\u1ed1i h\u00e0n v\u00e0 gi\u1ea3m thi\u1ec3u l\u1ed7i trong s\u1ea3n xu\u1ea5t PCBA.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"6_Cac_loi_lien_quan_den_flux\"><\/span>6. C\u00e1c l\u1ed7i li\u00ean quan \u0111\u1ebfn flux<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">M\u1eb7c d\u00f9 flux \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh h\u00e0n, nh\u01b0ng n\u1ebfu s\u1eed d\u1ee5ng kh\u00f4ng \u0111\u00fang c\u00e1ch ho\u1eb7c l\u1ef1a ch\u1ecdn kh\u00f4ng ph\u00f9 h\u1ee3p, n\u00f3 c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra nhi\u1ec1u l\u1ed7i \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng m\u1ed1i h\u00e0n v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a s\u1ea3n ph\u1ea9m.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 l\u1ed7i ph\u1ed5 bi\u1ebfn li\u00ean quan \u0111\u1ebfn flux:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Thi\u1ebfu flux: <\/b><span style=\"font-weight: 400;\">Khi l\u01b0\u1ee3ng flux kh\u00f4ng \u0111\u1ee7, l\u1edbp oxit kh\u00f4ng \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n, d\u1eabn \u0111\u1ebfn m\u1ed1i h\u00e0n k\u00e9m b\u00e1m, d\u1ec5 b\u1ecb h\u1edf ho\u1eb7c kh\u00f4ng d\u1eabn \u0111i\u1ec7n t\u1ed1t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>D\u01b0 flux: <\/b><span style=\"font-weight: 400;\">L\u01b0\u1ee3ng flux qu\u00e1 nhi\u1ec1u c\u00f3 th\u1ec3 \u0111\u1ec3 l\u1ea1i c\u1eb7n tr\u00ean b\u1ec1 m\u1eb7t PCB, g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn th\u1ea9m m\u1ef9 v\u00e0 trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn r\u00f2 \u0111i\u1ec7n ho\u1eb7c \u0103n m\u00f2n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Flux kh\u00f4ng ph\u00f9 h\u1ee3p: <\/b><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng lo\u1ea1i flux c\u00f3 ho\u1ea1t t\u00ednh kh\u00f4ng \u0111\u1ee7 ho\u1eb7c kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi quy tr\u00ecnh c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng m\u1ed1i h\u00e0n, \u0111\u1eb7c bi\u1ec7t v\u1edbi c\u00e1c linh ki\u1ec7n ph\u1ee9c t\u1ea1p.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Kh\u00f4ng l\u00e0m s\u1ea1ch flux (khi c\u1ea7n): <\/b><span style=\"font-weight: 400;\">V\u1edbi c\u00e1c lo\u1ea1i flux c\u1ea7n v\u1ec7 sinh (nh\u01b0 water-soluble), n\u1ebfu kh\u00f4ng l\u00e0m s\u1ea1ch k\u1ef9 c\u00f3 th\u1ec3 g\u00e2y \u0103n m\u00f2n ho\u1eb7c \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n l\u00e2u d\u00e0i c\u1ee7a m\u1ea1ch.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ph\u00e2n b\u1ed1 flux kh\u00f4ng \u0111\u1ec1u: <\/b><span style=\"font-weight: 400;\">Flux kh\u00f4ng \u0111\u01b0\u1ee3c ph\u1ee7 \u0111\u1ec1u tr\u00ean b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u1ed1i h\u00e0n kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t, d\u1ec5 ph\u00e1t sinh l\u1ed7i c\u1ee5c b\u1ed9.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Flux b\u1ecb suy gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng: <\/b><span style=\"font-weight: 400;\">Flux b\u1ecb bay h\u01a1i, qu\u00e1 h\u1ea1n ho\u1eb7c b\u1ea3o qu\u1ea3n kh\u00f4ng \u0111\u00fang c\u00e1ch s\u1ebd gi\u1ea3m hi\u1ec7u qu\u1ea3 l\u00e0m s\u1ea1ch, \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn qu\u00e1 tr\u00ecnh h\u00e0n.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">T\u00f3m l\u1ea1i, vi\u1ec7c ki\u1ec3m so\u00e1t \u0111\u00fang lo\u1ea1i flux, l\u01b0\u1ee3ng s\u1eed d\u1ee5ng v\u00e0 quy tr\u00ecnh x\u1eed l\u00fd sau h\u00e0n l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 h\u1ea1n ch\u1ebf l\u1ed7i v\u00e0 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng PCBA.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"7_Cach_chon_flux_phu_hop\"><\/span>7. C\u00e1ch ch\u1ecdn flux ph\u00f9 h\u1ee3p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_2077\" aria-describedby=\"caption-attachment-2077\" style=\"width: 1125px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2077\" src=\"https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/solder-flux-2-1.webp\" alt=\"C\u00e1ch ch\u1ecdn flux ph\u00f9 h\u1ee3p\" width=\"1125\" height=\"630\" srcset=\"https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/solder-flux-2-1.webp 1125w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/solder-flux-2-1-300x168.webp 300w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/solder-flux-2-1-1024x573.webp 1024w, https:\/\/makipos.com\/wp-content\/uploads\/2026\/04\/solder-flux-2-1-768x430.webp 768w\" sizes=\"auto, (max-width: 1125px) 100vw, 1125px\" \/><figcaption id=\"caption-attachment-2077\" class=\"wp-caption-text\">C\u00e1ch ch\u1ecdn flux ph\u00f9 h\u1ee3p<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Vi\u1ec7c l\u1ef1a ch\u1ecdn solder flux ph\u00f9 h\u1ee3p kh\u00f4ng ch\u1ec9 ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i v\u1eadt li\u1ec7u h\u00e0n m\u00e0 c\u00f2n li\u00ean quan \u0111\u1ebfn y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt, quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a s\u1ea3n ph\u1ea9m. Ch\u1ecdn \u0111\u00fang flux s\u1ebd gi\u00fap c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng m\u1ed1i h\u00e0n v\u00e0 h\u1ea1n ch\u1ebf l\u1ed7i ph\u00e1t sinh.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 c\u1ea7n xem x\u00e9t:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 s\u1ea1ch sau h\u00e0n: <\/b><span style=\"font-weight: 400;\">N\u1ebfu s\u1ea3n ph\u1ea9m y\u00eau c\u1ea7u \u0111\u1ed9 s\u1ea1ch cao ho\u1eb7c m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c kh\u1eaft khe, n\u00ean \u01b0u ti\u00ean water-soluble flux ho\u1eb7c c\u00e1c lo\u1ea1i flux c\u00f3 th\u1ec3 l\u00e0m s\u1ea1ch d\u1ec5 d\u00e0ng. V\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng th\u00f4ng th\u01b0\u1eddng, no-clean flux c\u00f3 th\u1ec3 l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p \u0111\u1ec3 ti\u1ebft ki\u1ec7m chi ph\u00ed.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u0110\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a linh ki\u1ec7n: <\/b><span style=\"font-weight: 400;\">V\u1edbi c\u00e1c linh ki\u1ec7n nh\u1ecf, ch\u00e2n d\u00e0y \u0111\u1eb7c ho\u1eb7c k\u1ebft n\u1ed1i \u1ea9n (BGA, QFN), n\u00ean ch\u1ecdn flux c\u00f3 ho\u1ea1t t\u00ednh t\u1ed1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng l\u00e0m s\u1ea1ch v\u00e0 gi\u00fap thi\u1ebfc lan \u0111\u1ec1u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Quy tr\u00ecnh s\u1ea3n xu\u1ea5t: <\/b><span style=\"font-weight: 400;\">M\u1ed7i quy tr\u00ecnh nh\u01b0 reflow, wave soldering ho\u1eb7c rework s\u1ebd ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c lo\u1ea1i flux kh\u00e1c nhau. C\u1ea7n ch\u1ecdn lo\u1ea1i flux t\u01b0\u01a1ng th\u00edch v\u1edbi quy tr\u00ecnh \u0111ang s\u1eed d\u1ee5ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 tin c\u1eady s\u1ea3n ph\u1ea9m: <\/b><span style=\"font-weight: 400;\">V\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m trong l\u0129nh v\u1ef1c nh\u01b0 y t\u1ebf, \u00f4 t\u00f4 ho\u1eb7c c\u00f4ng nghi\u1ec7p, n\u00ean \u01b0u ti\u00ean c\u00e1c lo\u1ea1i flux c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 d\u1ec5 ki\u1ec3m so\u00e1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Kh\u1ea3 n\u0103ng l\u00e0m s\u1ea1ch v\u00e0 ki\u1ec3m so\u00e1t c\u1eb7n: <\/b><span style=\"font-weight: 400;\">N\u1ebfu kh\u00f4ng c\u00f3 quy tr\u00ecnh l\u00e0m s\u1ea1ch sau h\u00e0n, c\u1ea7n ch\u1ecdn no-clean flux \u0111\u1ec3 tr\u00e1nh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ea3n ph\u1ea9m. Ng\u01b0\u1ee3c l\u1ea1i, n\u1ebfu c\u00f3 th\u1ec3 v\u1ec7 sinh, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i flux ho\u1ea1t t\u00ednh m\u1ea1nh h\u01a1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Chi ph\u00ed v\u00e0 hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t: <\/b><span style=\"font-weight: 400;\">L\u1ef1a ch\u1ecdn flux c\u1ea7n c\u00e2n b\u1eb1ng gi\u1eefa chi ph\u00ed v\u00e0 hi\u1ec7u qu\u1ea3, tr\u00e1nh ch\u1ecdn lo\u1ea1i gi\u00e1 th\u1ea5p nh\u01b0ng g\u00e2y l\u1ed7i ho\u1eb7c ph\u00e1t sinh chi ph\u00ed s\u1eeda ch\u1eefa v\u1ec1 sau.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Trong th\u1ef1c t\u1ebf, kh\u00f4ng c\u00f3 m\u1ed9t lo\u1ea1i flux n\u00e0o ph\u00f9 h\u1ee3p cho m\u1ecdi tr\u01b0\u1eddng h\u1ee3p. Vi\u1ec7c l\u1ef1a ch\u1ecdn c\u1ea7n d\u1ef1a tr\u00ean s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt, quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 chi ph\u00ed \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 t\u1ed1i \u01b0u.<\/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;\">Solder flux l\u00e0 th\u00e0nh ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong qu\u00e1 tr\u00ecnh h\u00e0n \u0111i\u1ec7n t\u1eed, \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a m\u1ed1i h\u00e0n. Vi\u1ec7c hi\u1ec3u r\u00f5 vai tr\u00f2, ph\u00e2n lo\u1ea1i c\u0169ng nh\u01b0 c\u00e1ch s\u1eed d\u1ee5ng flux gi\u00fap h\u1ea1n ch\u1ebf l\u1ed7i v\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t PCBA.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Trong th\u1ef1c t\u1ebf, kh\u00f4ng c\u00f3 m\u1ed9t lo\u1ea1i flux n\u00e0o ph\u00f9 h\u1ee3p cho m\u1ecdi tr\u01b0\u1eddng h\u1ee3p. Do \u0111\u00f3, vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang lo\u1ea1i flux d\u1ef1a tr\u00ean y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt, quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng s\u1ebd g\u00f3p ph\u1ea7n \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i c\u1ee7a s\u1ea3n ph\u1ea9m.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong qu\u00e1 tr\u00ecnh h\u00e0n \u0111i\u1ec7n t\u1eed, ch\u1ea5t l\u01b0\u1ee3ng m\u1ed1i h\u00e0n kh\u00f4ng ch\u1ec9 ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec7t \u0111\u1ed9 hay v\u1eadt li\u1ec7u h\u00e0n m\u00e0 c\u00f2n li\u00ean quan ch\u1eb7t ch\u1ebd \u0111\u1ebfn ch\u1ea5t tr\u1ee3 h\u00e0n (solder flux). \u0110\u00e2y l\u00e0 th\u00e0nh ph\u1ea7n quan tr\u1ecdng gi\u00fap l\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t, c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u00e1m d\u00ednh v\u00e0 \u0111\u1ea3m b\u1ea3o m\u1ed1i h\u00e0n \u1ed5n [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2066,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2063","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\/2063","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=2063"}],"version-history":[{"count":3,"href":"https:\/\/makipos.com\/wp-json\/wp\/v2\/posts\/2063\/revisions"}],"predecessor-version":[{"id":2084,"href":"https:\/\/makipos.com\/wp-json\/wp\/v2\/posts\/2063\/revisions\/2084"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/makipos.com\/wp-json\/wp\/v2\/media\/2066"}],"wp:attachment":[{"href":"https:\/\/makipos.com\/wp-json\/wp\/v2\/media?parent=2063"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/makipos.com\/wp-json\/wp\/v2\/categories?post=2063"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/makipos.com\/wp-json\/wp\/v2\/tags?post=2063"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}