{"id":6356,"date":"2023-12-29T15:50:14","date_gmt":"2023-12-29T08:50:14","guid":{"rendered":"https:\/\/dpm360.com\/?post_type=product&#038;p=6356"},"modified":"2023-12-29T15:51:46","modified_gmt":"2023-12-29T08:51:46","slug":"han-kem-cua-smt","status":"publish","type":"product","link":"https:\/\/dpm360.com\/san-pham\/han-kem-cua-smt\/","title":{"rendered":"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 kh\u1eafc ph\u1ee5c v\u1edbi h\u00e0n k\u00e9m c\u1ee7a SMT?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_27 ez-toc-wrap-left counter-hierarchy counter-decimal ez-toc-grey\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">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\" style=\"display: none;\"><label for=\"item\" aria-label=\"Table of Content\"><i class=\"ez-toc-glyphicon ez-toc-icon-toggle\"><\/i><\/label><input type=\"checkbox\" id=\"item\"><\/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:\/\/dpm360.com\/san-pham\/han-kem-cua-smt\/#Lam_the_nao_de_doi_pho_voi_han_kem_cua_SMT\" title=\"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u1ed1i ph\u00f3 v\u1edbi h\u00e0n k\u00e9m c\u1ee7a SMT?\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u1ed1i ph\u00f3 v\u1edbi h\u00e0n k\u00e9m c\u1ee7a SMT?<\/a><ul class=\"ez-toc-list-level-3\"><li class=\"ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/dpm360.com\/san-pham\/han-kem-cua-smt\/#Phan_tich_khuyet_tat_han_song\" title=\"Ph\u00e2n t\u00edch khuy\u1ebft t\u1eadt h\u00e0n s\u00f3ng:\">Ph\u00e2n t\u00edch khuy\u1ebft t\u1eadt h\u00e0n s\u00f3ng:<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Lam_the_nao_de_doi_pho_voi_han_kem_cua_SMT\"><\/span><span style=\"color: #008000; font-size: 12pt;\"><em><strong>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u1ed1i ph\u00f3 v\u1edbi h\u00e0n k\u00e9m c\u1ee7a SMT?<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><span style=\"font-size: 12pt;\">+ B\u1ec1 m\u1eb7t \u0111\u1ec9nh s\u00f3ng: B\u1ec1 m\u1eb7t c\u1ee7a s\u00f3ng \u0111\u01b0\u1ee3c bao ph\u1ee7 b\u1edfi m\u1ed9t l\u1edbp v\u1ea3y oxit, l\u1edbp n\u00e0y g\u1ea7n nh\u01b0 t\u0129nh d\u1ecdc theo to\u00e0n b\u1ed9 chi\u1ec1u d\u00e0i c\u1ee7a s\u00f3ng h\u00e0n.Trong qu\u00e1 tr\u00ecnh h\u00e0n s\u00f3ng, PCB ti\u1ebfp x\u00fac v\u1edbi b\u1ec1 m\u1eb7t tr\u01b0\u1edbc c\u1ee7a s\u00f3ng thi\u1ebfc v\u00e0 L\u1edbp oxit b\u1ecb v\u1ee1 v\u00e0 m\u1eb7t tr\u01b0\u1edbc c\u1ee7a PCB s\u00f3ng thi\u1ebfc \u0111\u01b0\u1ee3c \u0111\u1ea9y v\u1ec1 ph\u00eda tr\u01b0\u1edbc m\u00e0 kh\u00f4ng c\u00f3 n\u1ebfp nh\u0103n, \u0111i\u1ec1u n\u00e0y cho th\u1ea5y to\u00e0n b\u1ed9 l\u1edbp oxit v\u00e0 PCB di chuy\u1ec3n v\u1edbi c\u00f9ng t\u1ed1c \u0111\u1ed9 c\u1ee7a m\u00e1y h\u00e0n s\u00f3ng.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">+ H\u00ecnh th\u00e0nh m\u1ed1i h\u00e0n: Khi PCB \u0111i v\u00e0o \u0111\u1ea7u tr\u01b0\u1edbc c\u1ee7a \u0111\u1ec9nh s\u00f3ng (A), \u0111\u1ebf v\u00e0 c\u00e1c ch\u00e2n \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng, v\u00e0 tr\u01b0\u1edbc khi r\u1eddi kh\u1ecfi b\u1ec1 m\u1eb7t \u0111\u1ec9nh (B), to\u00e0n b\u1ed9 PCB \u0111\u01b0\u1ee3c ng\u00e2m trong v\u1eadt h\u00e0n, ngh\u0129a l\u00e0 \u0111\u01b0\u1ee3c b\u1eafc c\u1ea7u b\u1edfi ch\u1ea5t h\u00e0n, nh\u01b0ng tr\u01b0\u1edbc khi r\u1eddi kh\u1ecfi b\u1ec1 m\u1eb7t \u0111\u1ec9nh (B) \u1ede cu\u1ed1i \u0111\u1ec9nh s\u00f3ng, m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf ch\u1ea5t h\u00e0n b\u00e1m v\u00e0o mi\u1ebfng \u0111\u1ec7m do l\u1ef1c l\u00e0m \u01b0\u1edbt v\u00e0 do s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t, n\u00f3 co l\u1ea1i v\u1ec1 tr\u1ea1ng th\u00e1i nh\u1ecf nh\u1ea5t \u1edf gi\u1eefa tr\u00ean ch\u00ec. L\u00fac n\u00e0y, khe h\u1edf gi\u1eefa v\u1eadt h\u00e0n v\u00e0 mi\u1ebfng \u0111\u1ec7m l\u1ef1c l\u00e0m \u01b0\u1edbt l\u1edbn h\u01a1n l\u1ef1c k\u1ebft d\u00ednh c\u1ee7a ch\u1ea5t h\u00e0n gi\u1eefa hai mi\u1ebfng \u0111\u1ec7m. Do \u0111\u00f3, m\u1ed1i h\u00e0n tr\u00f2n v\u00e0 \u0111\u1ea7y \u0111\u1eb7n s\u1ebd \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh, ch\u1ea5t h\u00e0n th\u1eeba r\u1eddi kh\u1ecfi \u0111u\u00f4i \u0111\u1ec9nh s\u00f3ng s\u1ebd r\u01a1i tr\u1edf l\u1ea1i v\u00e0o n\u1ed3i thi\u1ebfc do tr\u1ecdng l\u1ef1c.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 12pt;\"><em><strong><img src=\"https:\/\/mangpe.vn\/wp-content\/uploads\/2021\/03\/12.gif\" \/>\u0110\u1ecdc v\u1ec1<\/strong><\/em>: <span style=\"color: #800080;\"><a style=\"color: #800080;\" href=\"https:\/\/dpm360.com\/san-pham\/bao-ve-tinh-dien\/\">B\u1ea3o v\u1ec7 t\u0129nh \u0111i\u1ec7n<\/a><\/span><\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Phan_tich_khuyet_tat_han_song\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>Ph\u00e2n t\u00edch khuy\u1ebft t\u1eadt h\u00e0n s\u00f3ng:<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">1. \u01af\u1edbt thi\u1ebfc k\u00e9m \u01af\u1edaT \u01af\u1edaT:<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">T\u00ecnh tr\u1ea1ng n\u00e0y l\u00e0 m\u1ed9t thi\u1ebfu s\u00f3t kh\u00f4ng th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c, ch\u1ec9 m\u1ed9t ph\u1ea7n m\u1ed1i h\u00e0n b\u1ecb \u1ed1 thi\u1ebfc, nguy\u00ean nh\u00e2n v\u00e0 ph\u01b0\u01a1ng ph\u00e1p c\u1ea3i ti\u1ebfn \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch nh\u01b0 sau:<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 12pt;\">1-1.C\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m b\u00ean ngo\u00e0i nh\u01b0 d\u1ea7u, m\u1ee1, s\u00e1p,\u2026 Nh\u1eefng ch\u1ea5t \u00f4 nhi\u1ec5m n\u00e0y th\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch b\u1eb1ng dung m\u00f4i, lo\u1ea1i d\u1ea7u n\u00e0y \u0111\u00f4i khi b\u1ecb \u1ed1 khi in ch\u1ea5t h\u00e0n.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">1-2.D\u1ea6U SILICON th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u00e1o khu\u00f4n v\u00e0 b\u00f4i tr\u01a1n.N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y tr\u00ean t\u1ea5m \u0111\u1ebf v\u00e0 ch\u00e2n c\u00e1c b\u1ed9 ph\u1eadn.D\u1ea6U SILICON kh\u00f4ng d\u1ec5 l\u00e0m s\u1ea1ch n\u00ean b\u1ea1n ph\u1ea3i h\u1ebft s\u1ee9c c\u1ea9n th\u1eadn khi s\u1eed d\u1ee5ng, \u0111\u1eb7c bi\u1ec7t khi n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 L\u00e0 m\u1ed9t lo\u1ea1i d\u1ea7u ch\u1ed1ng oxy h\u00f3a, c\u00e1c v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng x\u1ea3y ra, v\u00ec n\u00f3 s\u1ebd bay h\u01a1i v\u00e0 d\u00ednh v\u00e0o ch\u1ea5t n\u1ec1n, g\u00e2y ra t\u00ecnh tr\u1ea1ng nh\u00fang thi\u1ebfc k\u00e9m.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">1-3. Qu\u00e1 tr\u00ecnh oxy h\u00f3a th\u01b0\u1eddng x\u1ea3y ra do \u0111i\u1ec1u ki\u1ec7n b\u1ea3o qu\u1ea3n k\u00e9m ho\u1eb7c c\u00e1c v\u1ea5n \u0111\u1ec1 trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t ch\u1ea5t n\u1ec1n, v\u00e0 khi kh\u00f4ng th\u1ec3 lo\u1ea1i b\u1ecf ch\u1ea5t tr\u1ee3 dung, c\u00f3 th\u1ec3 x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng nh\u00fang thi\u1ebfc k\u00e9m. Vi\u1ec7c truy\u1ec1n thi\u1ebfc l\u1ea7n th\u1ee9 hai c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">1-4.Ph\u01b0\u01a1ng ph\u00e1p \u00e1p d\u1ee5ng ch\u1ea5t tr\u1ee3 dung kh\u00f4ng ch\u00ednh x\u00e1c, nguy\u00ean nh\u00e2n l\u00e0 do \u00e1p su\u1ea5t kh\u00f4ng kh\u00ed t\u1ea1o b\u1ecdt kh\u00f4ng \u1ed5n \u0111\u1ecbnh ho\u1eb7c kh\u00f4ng \u0111\u1ee7, khi\u1ebfn chi\u1ec1u cao b\u1ecdt kh\u00f4ng \u1ed5n \u0111\u1ecbnh ho\u1eb7c kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 ph\u1ea7n n\u1ec1n kh\u00f4ng b\u1ecb d\u00ednh ch\u1ea5t tr\u1ee3 dung.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">1-5.Th\u1eddi gian ti\u1ebfp x\u00fac v\u1edbi thi\u1ebfc kh\u00f4ng \u0111\u1ee7 ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 thi\u1ebfc kh\u00f4ng \u0111\u1ee7 s\u1ebd d\u1eabn \u0111\u1ebfn vi\u1ec7c ng\u00e2m thi\u1ebfc k\u00e9m, v\u00ec thi\u1ebfc n\u00f3ng ch\u1ea3y c\u1ea7n c\u00f3 \u0111\u1ee7 nhi\u1ec7t \u0111\u1ed9 v\u00e0 th\u1eddi gian \u0111\u1ec3 L\u00c0M \u01af\u1edaT. Th\u00f4ng th\u01b0\u1eddng, nhi\u1ec7t \u0111\u1ed9 h\u00e0n ph\u1ea3i cao h\u01a1n nhi\u1ec7t \u0111\u1ed9 \u0111i\u1ec3m n\u00f3ng ch\u1ea3y t\u1eeb 50oC \u0111\u1ebfn 80oC v\u00e0 t\u1ed5ng th\u1eddi gian nh\u00fang thi\u1ebfc l\u00e0 kho\u1ea3ng 3 gi\u00e2y.\u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 nh\u1edbt c\u1ee7a kem h\u00e0n.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 12pt;\">2. Ng\u00e2m thi\u1ebfc k\u00e9m c\u1ee5c b\u1ed9: T\u00ecnh tr\u1ea1ng n\u00e0y t\u01b0\u01a1ng t\u1ef1 nh\u01b0 nh\u00fang thi\u1ebfc k\u00e9m, \u0111i\u1ec3m kh\u00e1c bi\u1ec7t l\u00e0 nh\u00fang thi\u1ebfc k\u00e9m c\u1ee5c b\u1ed9 s\u1ebd kh\u00f4ng l\u00e0m l\u1ed9 ra b\u1ec1 m\u1eb7t l\u00e1 \u0111\u1ed3ng, ch\u1ec9 m\u1ed9t l\u1edbp thi\u1ebfc m\u1ecfng kh\u00f4ng th\u1ec3 t\u1ea1o th\u00e0nh m\u1ed1i h\u00e0n ho\u00e0n ch\u1ec9nh.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">3. M\u1ed1i h\u00e0n ngu\u1ed9i ho\u1eb7c m\u1ed1i h\u00e0n kh\u00f4ng s\u00e1ng: C\u00e1c m\u1ed1i h\u00e0n c\u00f3 bi\u1ec3u hi\u1ec7n b\u1ecb \u0111\u1ee9t ho\u1eb7c kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, nguy\u00ean nh\u00e2n ph\u1ea7n l\u1edbn l\u00e0 do c\u00e1c b\u1ed9 ph\u1eadn b\u1ecb rung khi v\u1eadt h\u00e0n s\u1eafp ngu\u1ed9i t\u1ea1o th\u00e0nh m\u1ed1i h\u00e0n, ch\u00fa \u00fd xem c\u00f3 b\u1ea5t k\u1ef3 nguy\u00ean nh\u00e2n n\u00e0o kh\u00f4ng rung \u0111\u1ed9ng b\u1ea5t th\u01b0\u1eddng trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n l\u00f2 thi\u1ebfc.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">4. C\u00e1c m\u1ed1i h\u00e0n b\u1ecb n\u1ee9t: T\u00ecnh tr\u1ea1ng n\u00e0y th\u01b0\u1eddng x\u1ea3y ra do s\u1ef1 kh\u00f4ng ph\u00f9 h\u1ee3p c\u1ee7a h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf gi\u1eefa v\u1eadt h\u00e0n, ch\u1ea5t n\u1ec1n, l\u1ed7 xuy\u00ean v\u00e0 ch\u00e2n linh ki\u1ec7n, c\u1ea7n c\u1ea3i ti\u1ebfn v\u1eadt li\u1ec7u n\u1ec1n, v\u1eadt li\u1ec7u th\u00e0nh ph\u1ea7n v\u00e0 thi\u1ebft k\u1ebf.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">5. L\u01b0\u1ee3ng thi\u1ebfc trong m\u1ed1i h\u00e0n qu\u00e1 l\u1edbn: Th\u00f4ng th\u01b0\u1eddng khi \u0111\u00e1nh gi\u00e1 m\u1ed9t m\u1ed1i h\u00e0n, ch\u00fang ta hy v\u1ecdng c\u00f3 m\u1ed9t m\u1ed1i h\u00e0n to, tr\u00f2n v\u00e0 b\u00e9o nh\u01b0ng tr\u00ean th\u1ef1c t\u1ebf, m\u1ed9t m\u1ed1i h\u00e0n qu\u00e1 l\u1edbn c\u00f3 th\u1ec3 kh\u00f4ng gi\u00fap \u00edch g\u00ec cho vi\u1ec7c \u0111\u00e1nh gi\u00e1. \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n v\u00e0 \u0111\u1ed9 b\u1ec1n k\u00e9o.<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 12pt;\">5-1.G\u00f3c truy\u1ec1n l\u00f2 h\u00e0n kh\u00f4ng ch\u00ednh x\u00e1c s\u1ebd khi\u1ebfn m\u1ed1i h\u00e0n qu\u00e1 l\u1edbn. G\u00f3c nghi\u00eang t\u1eeb 1 \u0111\u1ebfn 7 \u0111\u1ed9 t\u00f9y theo thi\u1ebft k\u1ebf \u0111\u1ebf.G\u00f3c chung kho\u1ea3ng 3,5 \u0111\u1ed9.G\u00f3c c\u00e0ng l\u1edbn th\u00ec c\u00e0ng m\u1ecfng thi\u1ebfc s\u1ebd c\u00f3 g\u00f3c c\u00e0ng m\u1ecfng, thi\u1ebfc c\u00e0ng nh\u1ecf th\u00ec c\u00e0ng d\u00e0y.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">5-2. T\u0103ng nhi\u1ec7t \u0111\u1ed9 c\u1ee7a b\u1ec3 thi\u1ebfc, k\u00e9o d\u00e0i th\u1eddi gian h\u00e0n v\u00e0 \u0111\u1ec3 thi\u1ebfc d\u01b0 ch\u1ea3y tr\u1edf l\u1ea1i b\u1ec3 thi\u1ebfc.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">5-3. Vi\u1ec7c t\u0103ng nhi\u1ec7t \u0111\u1ed9 nung n\u00f3ng tr\u01b0\u1edbc c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m l\u01b0\u1ee3ng nhi\u1ec7t c\u1ea7n thi\u1ebft cho qu\u00e1 tr\u00ecnh nh\u00fang thi\u1ebfc v\u00e0o ch\u1ea5t n\u1ec1n v\u00e0 t\u0103ng hi\u1ec7u qu\u1ea3 h\u00e0n.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">5-4.Thay \u0111\u1ed5i tr\u1ecdng l\u01b0\u1ee3ng ri\u00eang c\u1ee7a t\u1eeb th\u00f4ng v\u00e0 gi\u1ea3m nh\u1eb9 tr\u1ecdng l\u01b0\u1ee3ng ri\u00eang c\u1ee7a t\u1eeb th\u00f4ng.N\u00f3i chung, tr\u1ecdng l\u01b0\u1ee3ng ri\u00eang c\u00e0ng cao th\u00ec thi\u1ebfc c\u00e0ng d\u00e0y v\u00e0 c\u00e0ng d\u1ec5 b\u1ecb \u0111o\u1ea3n m\u1ea1ch.Tr\u1ecdng l\u01b0\u1ee3ng ri\u00eang c\u00e0ng th\u1ea5p , thi\u1ebfc s\u1ebd c\u00e0ng m\u1ecfng nh\u01b0ng c\u00e0ng d\u1ec5 g\u00e2y ra c\u1ea7u thi\u1ebfc v\u00e0 \u0111\u1ea7u thi\u1ebfc.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 12pt;\">6. \u0110\u1ea7u thi\u1ebfc (icicle):<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">S\u1ef1 c\u1ed1 n\u00e0y th\u01b0\u1eddng x\u1ea3y ra trong qu\u00e1 tr\u00ecnh h\u00e0n DIP ho\u1eb7c WIVE v\u00e0 thi\u1ebfc gi\u1ed1ng nh\u01b0 b\u0103ng \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y \u1edf ph\u00eda tr\u00ean c\u00e1c ch\u00e2n linh ki\u1ec7n ho\u1eb7c tr\u00ean c\u00e1c m\u1ed1i h\u00e0n.<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 12pt;\">6-1.Kh\u1ea3 n\u0103ng h\u00e0n c\u1ee7a ch\u1ea5t n\u1ec1n k\u00e9m.V\u1ea5n \u0111\u1ec1 n\u00e0y th\u01b0\u1eddng \u0111i k\u00e8m v\u1edbi vi\u1ec7c nh\u00fang thi\u1ebfc k\u00e9m.V\u1ea5n \u0111\u1ec1 n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c th\u1ea3o lu\u1eadn d\u1ef1a tr\u00ean kh\u1ea3 n\u0103ng h\u00e0n c\u1ee7a ch\u1ea5t n\u1ec1n.N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n b\u1eb1ng c\u00e1ch t\u0103ng t\u1ef7 l\u1ec7 t\u1eeb th\u00f4ng.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">6-2. N\u1ebfu di\u1ec7n t\u00edch k\u00eanh v\u00e0ng (PAD) tr\u00ean \u0111\u1ebf qu\u00e1 l\u1edbn, b\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng v\u1ea1ch s\u01a1n m\u00e0u xanh l\u00e1 c\u00e2y (\u0111i\u1ec7n tr\u1edf h\u00e0n) \u0111\u1ec3 t\u00e1ch c\u00e1c k\u00eanh v\u00e0ng \u0111\u1ec3 c\u1ea3i thi\u1ec7n. V\u1ec1 nguy\u00ean t\u1eafc, s\u1eed d\u1ee5ng m\u00e0u xanh l\u00e1 c\u00e2y (\u0111i\u1ec7n tr\u1edf h\u00e0n) ) c\u00e1c \u0111\u01b0\u1eddng s\u01a1n \u0111\u1ec3 t\u00e1ch c\u00e1c k\u00eanh v\u00e0ng l\u1edbn th\u00e0nh c\u00e1c kh\u1ed1i 5 mm x 10 mm.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">6-3. Nhi\u1ec7t \u0111\u1ed9 c\u1ee7a b\u1ec3 thi\u1ebfc kh\u00f4ng \u0111\u1ee7 v\u00e0 th\u1eddi gian nh\u00fang thi\u1ebfc qu\u00e1 ng\u1eafn. B\u1ea1n c\u00f3 th\u1ec3 t\u0103ng nhi\u1ec7t \u0111\u1ed9 c\u1ee7a b\u1ec3 thi\u1ebfc \u0111\u1ec3 k\u00e9o d\u00e0i th\u1eddi gian h\u00e0n v\u00e0 \u0111\u1ec3 thi\u1ebfc d\u01b0 ch\u1ea3y ng\u01b0\u1ee3c v\u00e0o b\u1ec3 thi\u1ebfc \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u00ednh ch\u1ea5t c\u1ee7a thi\u1ebfc. t\u00ecnh hu\u1ed1ng.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">6-4. G\u00f3c c\u1ee7a lu\u1ed3ng kh\u00f4ng kh\u00ed l\u00e0m m\u00e1t sau \u0111\u1ec9nh s\u00f3ng b\u1ecb sai v\u00e0 kh\u00f4ng th\u1ec3 th\u1ed5i theo h\u01b0\u1edbng c\u1ee7a b\u1ec3 thi\u1ebfc, \u0111i\u1ec1u n\u00e0y s\u1ebd khi\u1ebfn \u0111i\u1ec3m thi\u1ebfc di chuy\u1ec3n nhanh v\u00e0 ch\u1ea5t h\u00e0n d\u01b0 th\u1eeba kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c k\u00e9o tr\u1edf l\u1ea1i b\u1ec3 thi\u1ebfc b\u1eb1ng tr\u1ecdng l\u1ef1c v\u00e0 l\u1ef1c k\u1ebft d\u00ednh.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">6-5. Khi h\u00e0n tay t\u1ea1o ra c\u00e1c \u0111\u1ea7u thi\u1ebfc, th\u01b0\u1eddng l\u00e0 do nhi\u1ec7t \u0111\u1ed9 c\u1ee7a m\u1ecf h\u00e0n qu\u00e1 th\u1ea5p, d\u1eabn \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 h\u00e0n kh\u00f4ng \u0111\u1ee7 v\u00e0 kh\u00f4ng th\u1ec3 co l\u1ea1i ngay l\u1eadp t\u1ee9c do l\u1ef1c d\u00ednh t\u1ea1o th\u00e0nh c\u00e1c m\u1ed1i h\u00e0n. Thay v\u00e0o \u0111\u00f3, h\u00e3y s\u1eed d\u1ee5ng m\u1ed9t m\u1ecf h\u00e0n c\u00f3 c\u00f4ng su\u1ea5t cao h\u01a1n v\u00e0 k\u00e9o d\u00e0i th\u1eddi gian l\u00e0m n\u00f3ng tr\u01b0\u1edbc c\u1ee7a m\u1ecf h\u00e0n tr\u00ean v\u1eadt c\u1ea7n h\u00e0n.\u00a0<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 12pt;\">7. C\u00f2n s\u00f3t l\u1ea1i thi\u1ebfc tr\u00ean l\u1edbp s\u01a1n m\u00e0u xanh l\u00e1 c\u00e2y c\u1ee7a m\u1eb7t n\u1ea1 h\u00e0n:<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 12pt;\">7-1. Trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t ch\u1ea5t n\u1ec1n c\u00f3 m\u1ed9t s\u1ed1 ch\u1ea5t kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1edbi ch\u1ea5t tr\u1ee3 dung c\u00f2n s\u00f3t l\u1ea1i, sau khi nung n\u00f3ng s\u1ebd h\u00f3a l\u1ecfng v\u00e0 t\u1ea1o th\u00e0nh ch\u1ea5t h\u00e0n d\u00ednh d\u00ednh t\u1ea1o th\u00e0nh d\u00e2y thi\u1ebfc.Axeton (*dung m\u00f4i h\u00f3a h\u1ecdc \u0111\u00e3 b\u1ecb C\u00f4ng \u01b0\u1edbc Montreal c\u1ea5m) c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. , alkylene clo h\u00f3a v\u00e0 c\u00e1c dung m\u00f4i kh\u00e1c \u0111\u1ec3 l\u00e0m s\u1ea1ch. N\u1ebfu v\u1ea5n \u0111\u1ec1 v\u1eabn kh\u00f4ng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n sau khi l\u00e0m s\u1ea1ch, c\u00f3 th\u1ec3 vi\u1ec7c CH\u1eeeA CH\u1eeeA v\u1eadt li\u1ec7u l\u1edbp n\u1ec1n kh\u00f4ng ch\u00ednh x\u00e1c. S\u1ef1 c\u1ed1 n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c b\u00e1o c\u00e1o l\u1ea1i cho nh\u00e0 cung c\u1ea5p ch\u1ea5t n\u1ec1n k\u1ecbp th\u1eddi th\u00e1i \u0111\u1ed9.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">7-2. H\u1ec6 TH\u1ed0NG ch\u1ea5t n\u1ec1n kh\u00f4ng ch\u00ednh x\u00e1c s\u1ebd g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y.B\u1ea1n c\u00f3 th\u1ec3 n\u01b0\u1edbng n\u00f3 \u1edf 120oC trong hai gi\u1edd tr\u01b0\u1edbc khi l\u1eafp v\u00e0o.S\u1ef1 c\u1ed1 n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c b\u00e1o c\u00e1o k\u1ecbp th\u1eddi cho nh\u00e0 cung c\u1ea5p ch\u1ea5t n\u1ec1n.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">7-3. X\u1ec9 thi\u1ebfc \u0111\u01b0\u1ee3c PUMP \u0111\u1ea9y v\u00e0o b\u1ec3 thi\u1ebfc r\u1ed3i phun ra ngo\u00e0i khi\u1ebfn b\u1ec1 m\u1eb7t n\u1ec1n b\u1ecb d\u00ednh x\u1ec9 thi\u1ebfc. V\u1ea5n \u0111\u1ec1 n\u00e0y t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u01a1n gi\u1ea3n v\u00e0 vi\u1ec7c b\u1ea3o tr\u00ec t\u1ed1t l\u00f2 thi\u1ebfc v\u00e0 \u0111\u1ed9 cao ch\u00ednh x\u00e1c c\u1ee7a b\u1ec1 m\u1eb7t thi\u1ebfc c\u1ee7a b\u1ec3 thi\u1ebfc (th\u01b0\u1eddng l\u00e0 khi x\u1ec9 thi\u1ebfc c\u00f3 chi\u1ec1u cao c\u1ee7a b\u1ec1 m\u1eb7t thi\u1ebfc t\u1eeb m\u00e9p b\u1ec3 thi\u1ebfc l\u00e0 10mm khi b\u1ec3 kh\u00f4ng phun v\u00e0 \u0111\u1ee9ng y\u00ean)<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 12pt;\">8. C\u1eb7n tr\u1eafng: C\u1eb7n tr\u1eafng xu\u1ea5t hi\u1ec7n tr\u00ean b\u1ec1 m\u1eb7t sau khi h\u00e0n ho\u1eb7c l\u00e0m s\u1ea1ch b\u1eb1ng dung m\u00f4i, th\u01b0\u1eddng l\u00e0 c\u1eb7n nh\u1ef1a th\u00f4ng, lo\u1ea1i ch\u1ea5t n\u00e0y s\u1ebd kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n b\u1ec1 m\u1eb7t nh\u01b0ng kh\u00e1ch h\u00e0ng kh\u00f4ng ch\u1ea5p nh\u1eadn.<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 12pt;\">8-1. Ch\u1ea5t tr\u1ee3 dung th\u01b0\u1eddng l\u00e0 nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y ra v\u1ea5n \u0111\u1ec1 n\u00e0y. \u0110\u00f4i khi c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng lo\u1ea1i ch\u1ea5t tr\u1ee3 h\u00e0n kh\u00e1c. Ch\u1ea5t tr\u1ee3 h\u00e0n g\u1ed1c nh\u1ef1a th\u00f4ng th\u01b0\u1eddng g\u00e2y ra s\u1ef1 thay \u0111\u1ed5i ng\u00e0y trong qu\u00e1 tr\u00ecnh v\u1ec7 sinh. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, c\u00e1ch t\u1ed1t nh\u1ea5t l\u00e0 t\u00ecm nh\u00e0 cung c\u1ea5p ch\u1ea5t tr\u1ee3 h\u00e0n \u0110\u1ec3 h\u1ed7 tr\u1ee3, s\u1ea3n ph\u1ea9m h\u1ecd cung c\u1ea5p chuy\u00ean nghi\u1ec7p h\u01a1n.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">8-2 C\u00e1c t\u1ea1p ch\u1ea5t c\u00f2n s\u00f3t l\u1ea1i trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t ch\u1ea5t n\u1ec1n c\u0169ng s\u1ebd t\u1ea1o ra c\u00e1c \u0111\u1ed1m tr\u1eafng trong qu\u00e1 tr\u00ecnh b\u1ea3o qu\u1ea3n l\u00e2u d\u00e0i, ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch b\u1eb1ng ch\u1ea5t tr\u1ee3 dung ho\u1eb7c dung m\u00f4i.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">8-3.X\u1eec L\u00dd kh\u00f4ng \u0111\u00fang c\u0169ng s\u1ebd g\u00e2y ra s\u1ef1 thay \u0111\u1ed5i ng\u00e0y, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t ri\u00eang l\u1ebb trong m\u1ed9t l\u00f4 nh\u1ea5t \u0111\u1ecbnh, k\u1ecbp th\u1eddi b\u00e1o c\u00e1o l\u1ea1i cho nh\u00e0 cung c\u1ea5p ch\u1ea5t n\u1ec1n v\u00e0 l\u00e0m s\u1ea1ch b\u1eb1ng ch\u1ea5t tr\u1ee3 dung ho\u1eb7c dung m\u00f4i.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">8-4. Ch\u1ea5t tr\u1ee3 dung \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nh\u00e0 m\u00e1y kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1edbi l\u1edbp b\u1ea3o v\u1ec7 oxy h\u00f3a c\u1ee7a ch\u1ea5t n\u1ec1n. \u0110i\u1ec1u n\u00e0y x\u1ea3y ra khi s\u1eed d\u1ee5ng nh\u00e0 cung c\u1ea5p ch\u1ea5t n\u1ec1n m\u1edbi ho\u1eb7c khi nh\u00e3n hi\u1ec7u ch\u1ea5t tr\u1ee3 dung \u0111\u01b0\u1ee3c thay \u0111\u1ed5i. N\u00ean y\u00eau c\u1ea7u nh\u00e0 cung c\u1ea5p h\u1ed7 tr\u1ee3.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">8-5. Do dung m\u00f4i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t ch\u1ea5t n\u1ec1n l\u00e0m cho v\u1eadt li\u1ec7u n\u1ec1n b\u1ecb thay \u0111\u1ed5i, \u0111\u1eb7c bi\u1ec7t l\u00e0 dung d\u1ecbch trong qu\u00e1 tr\u00ecnh m\u1ea1 niken th\u01b0\u1eddng g\u00e2y ra s\u1ef1 c\u1ed1 n\u00e0y n\u00ean th\u1eddi gian b\u1ea3o qu\u1ea3n c\u00e0ng ng\u1eafn c\u00e0ng t\u1ed1t.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">8-6. Ch\u1ea5t tr\u1ee3 dung b\u1ecb l\u00e3o h\u00f3a sau khi s\u1eed d\u1ee5ng trong m\u1ed9t th\u1eddi gian d\u00e0i, h\u1ea5p th\u1ee5 \u0111\u1ed9 \u1ea9m khi ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed v\u00e0 b\u1ecb h\u01b0 h\u1ecfng. N\u00ean c\u1eadp nh\u1eadt ch\u1ea5t tr\u1ee3 dung (th\u00f4ng th\u01b0\u1eddng n\u00ean c\u1eadp nh\u1eadt ch\u1ea5t tr\u1ee3 dung t\u1ea1o b\u1ecdt m\u1ed7i tu\u1ea7n, ch\u1ea5t tr\u1ee3 dung ng\u00e2m n\u00ean \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt m\u1ed7i tu\u1ea7n hai tu\u1ea7n v\u00e0 lo\u1ea1i b\u00ecnh x\u1ecbt ph\u1ea3i \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt h\u00e0ng th\u00e1ng.\u00a0<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">8-7. Khi s\u1eed d\u1ee5ng ch\u1ea5t tr\u1ee3 h\u00e0n g\u1ed1c nh\u1ef1a th\u00f4ng, vi\u1ec7c v\u1ec7 sinh l\u00f2 h\u00e0n sau qu\u00e1 nhi\u1ec1u th\u1eddi gian s\u1ebd g\u00e2y ra t\u00ecnh tr\u1ea1ng d\u1ecbch chuy\u1ec3n ng\u00e0y, h\u00e3y r\u00fat ng\u1eafn th\u1eddi gian h\u00e0n v\u00e0 l\u00e0m s\u1ea1ch c\u00e0ng nhi\u1ec1u c\u00e0ng t\u1ed1t \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u00ecnh h\u00ecnh.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">8-8. \u0110\u1ed9 \u1ea9m c\u1ee7a dung m\u00f4i d\u00f9ng \u0111\u1ec3 l\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t qu\u00e1 cao, l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng l\u00e0m s\u1ea1ch v\u00e0 g\u00e2y ra t\u00ecnh tr\u1ea1ng l\u1ec7ch ng\u00e0y, n\u00ean c\u1eadp nh\u1eadt dung m\u00f4i.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 12pt;\">9. C\u1eb7n s\u1eabm m\u00e0u v\u00e0 v\u1ebft \u0103n m\u00f2n: Th\u00f4ng th\u01b0\u1eddng c\u1eb7n \u0111en xu\u1ea5t hi\u1ec7n \u1edf ph\u00eda d\u01b0\u1edbi ho\u1eb7c ph\u00eda tr\u00ean m\u1ed1i h\u00e0n, v\u1ea5n \u0111\u1ec1 n\u00e0y th\u01b0\u1eddng x\u1ea3y ra do s\u1eed d\u1ee5ng ch\u1ea5t tr\u1ee3 dung ho\u1eb7c l\u00e0m s\u1ea1ch kh\u00f4ng \u0111\u00fang c\u00e1ch.<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 12pt;\">9-1. N\u1ebfu ch\u1ea5t tr\u1ee3 dung lo\u1ea1i nh\u1ef1a th\u00f4ng kh\u00f4ng \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch ngay sau khi h\u00e0n, \u0111\u1ec3 l\u1ea1i c\u1eb7n m\u00e0u n\u00e2u s\u1eabm, vui l\u00f2ng l\u00e0m s\u1ea1ch tr\u01b0\u1edbc c\u00e0ng nhi\u1ec1u c\u00e0ng t\u1ed1t.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">9-2. Ch\u1ea5t tr\u1ee3 dung c\u00f3 t\u00ednh axit s\u1ebd \u0111\u1ecdng l\u1ea1i tr\u00ean c\u00e1c m\u1ed1i h\u00e0n g\u00e2y ra m\u00e0u \u0103n m\u00f2n \u0111en v\u00e0 kh\u00f4ng th\u1ec3 l\u00e0m s\u1ea1ch \u0111\u01b0\u1ee3c. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y th\u01b0\u1eddng x\u1ea3y ra khi h\u00e0n b\u1eb1ng tay. H\u00e3y s\u1eed d\u1ee5ng ch\u1ea5t tr\u1ee3 dung y\u1ebfu h\u01a1n v\u00e0 l\u00e0m s\u1ea1ch n\u00f3 c\u00e0ng s\u1edbm c\u00e0ng t\u1ed1t.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">9-3. Ch\u1ea5t tr\u1ee3 dung h\u1eefu c\u01a1 ch\u00e1y \u1edf nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n v\u00e0 t\u1ea1o ra c\u00e1c \u0111\u1ed1m \u0111en. Ki\u1ec3m tra nhi\u1ec7t \u0111\u1ed9 c\u1ee7a b\u1ec3 thi\u1ebfc v\u00e0 s\u1eed d\u1ee5ng ch\u1ea5t tr\u1ee3 dung c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 12pt;\">10. C\u1eb7n xanh: M\u00e0u xanh th\u01b0\u1eddng l\u00e0 do \u0103n m\u00f2n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed, nh\u01b0ng \u0111i\u1ec1u n\u00e0y kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng \u0111\u00fang, v\u00ec r\u1ea5t kh\u00f3 ph\u00e2n bi\u1ec7t \u0111\u00f3 l\u00e0 g\u1ec9 xanh hay c\u00e1c s\u1ea3n ph\u1ea9m h\u00f3a h\u1ecdc kh\u00e1c, nh\u01b0ng n\u00f3i chung, vi\u1ec7c ph\u00e1t hi\u1ec7n ra m\u00e0u xanh l\u00e1 c\u00e2y c\u00e1c ch\u1ea5t ph\u1ea3i l\u00e0 t\u00edn hi\u1ec7u c\u1ea3nh b\u00e1o v\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra ngay l\u1eadp t\u1ee9c. N\u1ebfu nguy\u00ean nh\u00e2n r\u00f5 r\u00e0ng, \u0111\u1eb7c bi\u1ec7t n\u1ebfu ch\u1ea5t m\u00e0u xanh l\u00e1 c\u00e2y ng\u00e0y c\u00e0ng l\u1edbn th\u00ec c\u1ea7n h\u1ebft s\u1ee9c ch\u00fa \u00fd, th\u01b0\u1eddng c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n b\u1eb1ng c\u00e1ch l\u00e0m s\u1ea1ch.<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 12pt;\">10-1.V\u1ea5n \u0111\u1ec1 \u0103n m\u00f2n: Th\u01b0\u1eddng x\u1ea3y ra tr\u00ean b\u1ec1 m\u1eb7t \u0111\u1ed3ng tr\u1ea7n ho\u1eb7c h\u1ee3p kim c\u00f3 ch\u1ee9a \u0111\u1ed3ng.S\u1eed d\u1ee5ng ch\u1ea5t tr\u1ee3 dung kh\u00f4ng ch\u1ee9a nh\u1ef1a th\u00f4ng.Ch\u1ea5t \u0103n m\u00f2n n\u00e0y ch\u1ee9a c\u00e1c ion \u0111\u1ed3ng n\u00ean c\u00f3 m\u00e0u xanh l\u00e1 c\u00e2y.Khi t\u00ecm th\u1ea5y ch\u1ea5t \u0103n m\u00f2n m\u00e0u xanh l\u00e1 c\u00e2y n\u00e0y, c\u00f3 th\u1ec3 ch\u1ee9ng minh r\u1eb1ng n\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch \u0111\u00fang c\u00e1ch sau khi s\u1eed d\u1ee5ng ch\u1ea5t tr\u1ee3 dung kh\u00f4ng ch\u1ee9a nh\u1ef1a th\u00f4ng.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">10-2.COPPER ABIETATES l\u00e0 h\u1ee3p ch\u1ea5t c\u1ee7a oxit \u0111\u1ed3ng v\u00e0 ACID ABIETIC (th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a nh\u1ef1a th\u00f4ng), ch\u1ea5t n\u00e0y c\u00f3 m\u00e0u xanh nh\u01b0ng kh\u00f4ng b\u1ecb \u0103n m\u00f2n v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t cao, kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng nh\u01b0ng kh\u00e1ch h\u00e0ng s\u1ebd kh\u00f4ng \u0111\u1ed3ng \u00fd l\u00e0 n\u00ean s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">10-3. D\u01b0 l\u01b0\u1ee3ng PRESULFATE ho\u1eb7c c\u00e1c ch\u1ea5t c\u1eb7n t\u01b0\u01a1ng t\u1ef1 t\u1eeb qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t ch\u1ea5t n\u1ec1n s\u1ebd t\u1ea1o ra c\u1eb7n xanh sau khi h\u00e0n. Nh\u00e0 s\u1ea3n xu\u1ea5t ch\u1ea5t n\u1ec1n ph\u1ea3i ti\u1ebfn h\u00e0nh ki\u1ec3m tra \u0111\u1ed9 s\u1ea1ch sau khi s\u1ea3n xu\u1ea5t v\u00e0 l\u00e0m s\u1ea1ch ch\u1ea5t n\u1ec1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ed9 s\u1ea1ch c\u1ee7a ch\u1ea5t n\u1ec1n.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 12pt;\">11. \u0102n m\u00f2n tr\u1eafng: M\u1ee5c th\u1ee9 t\u00e1m n\u00f3i v\u1ec1 c\u1eb7n tr\u1eafng t\u1ee9c l\u00e0 c\u1eb7n tr\u1eafng tr\u00ean n\u1ec1n, c\u00f2n m\u1ee5c n\u00e0y n\u00f3i v\u1ec1 c\u1eb7n tr\u1eafng tr\u00ean c\u00e1c b\u1ed9 ph\u1eadn v\u00e0 kim lo\u1ea1i, \u0111\u1eb7c bi\u1ec7t l\u00e0 tr\u00ean c\u00e1c kim lo\u1ea1i ch\u1ee9a nhi\u1ec1u ch\u00ec, lo\u1ea1i c\u1eb7n n\u00e0y d\u1ec5 x\u1ea3y ra t\u1ea1o ra, ch\u1ee7 y\u1ebfu l\u00e0 do c\u00e1c ion clorua d\u1ec5 d\u00e0ng k\u1ebft h\u1ee3p v\u1edbi ch\u00ec t\u1ea1o th\u00e0nh ch\u00ec clorua, sau \u0111\u00f3 k\u1ebft h\u1ee3p v\u1edbi carbon dioxide \u0111\u1ec3 t\u1ea1o th\u00e0nh ch\u00ec cacbonat (\u0103n m\u00f2n m\u00e0u tr\u1eafng).Khi s\u1eed d\u1ee5ng d\u00f2ng nh\u1ef1a th\u00f4ng, v\u00ec nh\u1ef1a th\u00f4ng kh\u00f4ng h\u00f2a tan trong n\u01b0\u1edbc n\u00ean ho\u1ea1t t\u00ednh ch\u1ee9a clo s\u1ebd b\u1ecb \u1ea3nh h\u01b0\u1edfng gi\u1ea3m.Vi\u1ec7c b\u1ecdc b\u1eb1ng dung m\u00f4i s\u1ebd kh\u00f4ng g\u00e2y \u0103n m\u00f2n, nh\u01b0ng n\u1ebfu s\u1eed d\u1ee5ng dung m\u00f4i kh\u00f4ng \u0111\u00fang c\u00e1ch th\u00ec ch\u1ec9 c\u00f3 th\u1ec3 l\u00e0m s\u1ea1ch nh\u1ef1a th\u00f4ng m\u00e0 kh\u00f4ng lo\u1ea1i b\u1ecf \u0111\u01b0\u1ee3c ion clorua, \u0111i\u1ec1u n\u00e0y s\u1ebd \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh \u0103n m\u00f2n.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">12. L\u1ed7 kim v\u00e0 l\u1ed7 ch\u00e2n l\u00f4ng: S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa l\u1ed7 kim v\u00e0 l\u1ed7 ch\u00e2n l\u00f4ng. L\u1ed7 kim l\u00e0 nh\u1eefng l\u1ed7 nh\u1ecf \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y tr\u00ean c\u00e1c m\u1ed1i h\u00e0n, trong khi l\u1ed7 ch\u00e2n l\u00f4ng l\u00e0 nh\u1eefng l\u1ed7 l\u1edbn h\u01a1n tr\u00ean c\u00e1c m\u1ed1i h\u00e0n c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y b\u00ean trong. L\u1ed7 kim th\u01b0\u1eddng tr\u1ed1ng b\u00ean trong, trong khi l\u1ed7 ch\u00e2n l\u00f4ng th\u00ec l\u1edbn. l\u1ed7 do kh\u00f4ng kh\u00ed b\u00ean trong tho\u00e1t ra ho\u00e0n to\u00e0n, nguy\u00ean nh\u00e2n h\u00ecnh th\u00e0nh l\u00e0 do ch\u1ea5t h\u00e0n \u0111\u00e3 \u0111\u00f4ng \u0111\u1eb7c tr\u01b0\u1edbc khi kh\u00ed b\u1ecb lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n, g\u00e2y ra s\u1ef1 c\u1ed1 n\u00e0y.<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 12pt;\">12-1. C\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m h\u1eefu c\u01a1: C\u1ea3 n\u1ec1n v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn ch\u00e2n c\u00f3 th\u1ec3 t\u1ea1o ra kh\u00ed v\u00e0 g\u00e2y ra c\u00e1c l\u1ed7 kim ho\u1eb7c l\u1ed7 ch\u00e2n l\u00f4ng. Ngu\u1ed3n \u00f4 nhi\u1ec5m c\u00f3 th\u1ec3 \u0111\u1ebfn t\u1eeb m\u00e1y \u0111\u1ecbnh v\u1ecb t\u1ef1 \u0111\u1ed9ng ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n b\u1ea3o qu\u1ea3n k\u00e9m. V\u1ea5n \u0111\u1ec1 n\u00e0y t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u01a1n gi\u1ea3n v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch b\u1eb1ng dung m\u00f4i, nh\u01b0ng n\u1ebfu ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n l\u00e0 SILICONOIL th\u00ec n\u00f3 kh\u00f4ng d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch b\u1eb1ng dung m\u00f4i, v\u00ec v\u1eady c\u1ea7n xem x\u00e9t c\u00e1c ch\u1ea5t thay th\u1ebf kh\u00e1c trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">12-2. \u0110\u1ed9 \u1ea9m tr\u00ean b\u1ec1 m\u1eb7t: N\u1ebfu s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u n\u1ec1n r\u1ebb h\u01a1n ho\u1eb7c s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p khoan th\u00f4, h\u01a1i \u1ea9m d\u1ec5 b\u1ecb h\u00fat v\u00e0o l\u1ed7 xuy\u00ean qua v\u00e0 b\u1ed1c h\u01a1i do nhi\u1ec7t \u0111\u1ed9 cao trong qu\u00e1 tr\u00ecnh h\u00e0n.Gi\u1ea3i ph\u00e1p l\u00e0 \u0111\u01b0a n\u00f3 l\u00ean tr\u00ean N\u01b0\u1edbng trong l\u00f2 \u1edf 120\u00b0C trong hai gi\u1edd.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">12-3. Ch\u1ea5t t\u0103ng tr\u1eafng trong dung d\u1ecbch m\u1ea1 \u0111i\u1ec7n: Khi s\u1eed d\u1ee5ng m\u1ed9t l\u01b0\u1ee3ng l\u1edbn ch\u1ea5t t\u0103ng tr\u1eafng \u0111\u1ec3 m\u1ea1 \u0111i\u1ec7n, ch\u1ea5t t\u0103ng tr\u1eafng th\u01b0\u1eddng l\u1eafng \u0111\u1ecdng c\u00f9ng l\u00fac v\u1edbi v\u00e0ng v\u00e0 bay h\u01a1i khi ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec7t \u0111\u1ed9 cao, \u0111\u1eb7c bi\u1ec7t khi m\u1ea1 v\u00e0ng n\u00ean s\u1eed d\u1ee5ng dung d\u1ecbch m\u1ea1 ch\u1ee9a \u00edt ch\u1ea5t t\u0103ng tr\u1eafng h\u01a1n.T\u1ea5t nhi\u00ean l\u01b0\u1ee3ng n\u00e0y ph\u1ea3i \u0111\u01b0\u1ee3c cung c\u1ea5p l\u1ea1i cho nh\u00e0 cung c\u1ea5p.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 12pt;\">13. D\u1ea6U B\u1eca B\u1ece: Qu\u00e1 tr\u00ecnh oxy h\u00f3a ng\u0103n kh\u00f4ng cho d\u1ea7u ch\u1ea3y v\u00e0o b\u1ec3 thi\u1ebfc v\u00e0 phun ra ngo\u00e0i qua tia l\u00e0m \u00f4 nhi\u1ec5m b\u1ec1 m\u1eb7t.V\u1ea5n \u0111\u1ec1 n\u00e0y l\u00e0 do m\u1ee9c ch\u1ea5t l\u1ecfng h\u00e0n trong b\u1ec3 thi\u1ebfc qu\u00e1 th\u1ea5p, c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n b\u1eb1ng c\u00e1ch b\u1ed5 sung th\u00eam h\u00e0n trong b\u1ec3 thi\u1ebfc.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">14. M\u1ed1i h\u00e0n b\u1ecb s\u1eabm m\u00e0u: Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y \u0111\u01b0\u1ee3c chia l\u00e0m hai lo\u1ea1i: Sau khi h\u00e0n m\u1ed9t th\u1eddi gian (kho\u1ea3ng n\u1eeda n\u0103m \u0111\u1ebfn m\u1ed9t n\u0103m) m\u00e0u c\u1ee7a m\u1ed1i h\u00e0n chuy\u1ec3n sang m\u00e0u t\u1ed1i. b\u1ecb s\u1eabm m\u00e0u sau khi \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t.<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 12pt;\">14-1 T\u1ea1p ch\u1ea5t trong v\u1eadt h\u00e0n: Th\u00e0nh ph\u1ea7n kim lo\u1ea1i trong v\u1eadt h\u00e0n ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean ba th\u00e1ng m\u1ed9t l\u1ea7n.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">14-2. Ch\u1ea5t tr\u1ee3 dung c\u0169ng s\u1ebd t\u1ea1o ra m\u1ed9t m\u1ee9c \u0111\u1ed9 x\u00e1m nh\u1ea5t \u0111\u1ecbnh tr\u00ean b\u1ec1 m\u1eb7t n\u00f3ng. V\u00ed d\u1ee5, ch\u1ea5t tr\u1ee3 dung RA v\u00e0 axit h\u1eefu c\u01a1 c\u00f2n s\u00f3t l\u1ea1i tr\u00ean c\u00e1c m\u1ed1i h\u00e0n qu\u00e1 l\u00e2u s\u1ebd g\u00e2y ra s\u1ef1 \u0103n m\u00f2n nh\u1eb9 v\u00e0 tr\u1edf th\u00e0nh m\u00e0u x\u00e1m ngay sau khi h\u00e0n. C\u1ea7n ph\u1ea3i v\u1ec7 sinh s\u1ea1ch s\u1ebd \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n. M\u1ed9t s\u1ed1 ch\u1ea5t tr\u1ee3 dung axit v\u00f4 c\u01a1 c\u00f3 th\u1ec3 l\u00e0m s\u1ea1ch ZINC OXYCHLORIDE b\u1eb1ng axit clohydric 1% v\u00e0 sau \u0111\u00f3 r\u1eeda s\u1ea1ch b\u1eb1ng n\u01b0\u1edbc.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">14-3.Trong s\u1ed1 c\u00e1c h\u1ee3p kim h\u00e0n, nh\u1eefng h\u1ee3p kim c\u00f3 h\u00e0m l\u01b0\u1ee3ng thi\u1ebfc th\u1ea5p (ch\u1eb3ng h\u1ea1n nh\u01b0 ch\u1ea5t h\u00e0n 40\/60) c\u00f3 m\u1ed1i h\u00e0n s\u1eabm m\u00e0u h\u01a1n.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 12pt;\">15. B\u1ec1 m\u1eb7t m\u1ed1i h\u00e0n g\u1ed3 gh\u1ec1: b\u1ec1 m\u1eb7t m\u1ed1i h\u00e0n c\u00f3 b\u1ec1 m\u1eb7t nh\u00f4 ra nh\u01b0 c\u00e1t, nh\u01b0ng h\u00ecnh d\u1ea1ng t\u1ed5ng th\u1ec3 c\u1ee7a m\u1ed1i h\u00e0n kh\u00f4ng thay \u0111\u1ed5i.<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 12pt;\">15-1.S\u1ef1 k\u1ebft tinh c\u1ee7a t\u1ea1p ch\u1ea5t kim lo\u1ea1i: Th\u00e0nh ph\u1ea7n kim lo\u1ea1i trong v\u1eadt h\u00e0n ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean ba th\u00e1ng m\u1ed9t l\u1ea7n.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">15-2.X\u1ec9 thi\u1ebfc: X\u1ec9 thi\u1ebfc \u0111\u01b0\u1ee3c b\u01a1m v\u00e0o b\u1ec3 thi\u1ebfc b\u1eb1ng B\u01a0M v\u00e0 ch\u1ea3y ra ngo\u00e0i qua tia n\u01b0\u1edbc.V\u00ec trong thi\u1ebfc c\u00f3 ch\u1ee9a x\u1ec9 thi\u1ebfc n\u00ean tr\u00ean b\u1ec1 m\u1eb7t c\u00e1c m\u1ed1i h\u00e0n c\u00f3 c\u00e1t nh\u00f4 ra, \u0111\u00f3 l\u00e0 do v\u1eadt h\u00e0n m\u1ee9c ch\u1ea5t l\u1ecfng trong b\u1ec3 thi\u1ebfc qu\u00e1 th\u1ea5p. C\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n b\u1eb1ng c\u00e1ch b\u1ed5 sung th\u00eam ch\u1ea5t h\u00e0n v\u00e0 l\u00e0m s\u1ea1ch b\u1ec3 thi\u1ebfc v\u00e0 B\u01a0M.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">15-3.C\u00e1c ch\u1ea5t l\u1ea1: nh\u01b0 g\u1edd, v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t,&#8230; \u1ea9n trong ch\u00e2n c\u00e1c b\u1ed9 ph\u1eadn c\u0169ng s\u1ebd t\u1ea1o ra b\u1ec1 m\u1eb7t g\u1ed3 gh\u1ec1.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 12pt;\">16. M\u1ed1i h\u00e0n m\u00e0u v\u00e0ng: Nguy\u00ean nh\u00e2n l\u00e0 do nhi\u1ec7t \u0111\u1ed9 m\u1ecf h\u00e0n qu\u00e1 cao, h\u00e3y ki\u1ec3m tra ngay nhi\u1ec7t \u0111\u1ed9 thi\u1ebfc v\u00e0 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n nhi\u1ec7t \u0111\u1ed9 xem c\u00f3 tr\u1ee5c tr\u1eb7c g\u00ec kh\u00f4ng.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">17. \u0110o\u1ea3n m\u1ea1ch: M\u1ed1i h\u00e0n qu\u00e1 kh\u1ed5 khi\u1ebfn hai m\u1ed1i h\u00e0n d\u00ednh v\u00e0o nhau.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\"><span style=\"color: #008000;\"><em><strong>C\u00f4ng ty TNHH Qu\u1ed1c T\u1ebf BiNa Vi\u1ec7t Nam<\/strong><\/em><\/span> l\u00e0 c\u00f4ng ty chuy\u00ean s\u1ea3n xu\u1ea5t v\u1eadt t\u01b0 h\u1ed7 tr\u1ee3 \u0111\u00f3ng g\u00f3i <span style=\"color: #33cccc;\"><a style=\"color: #33cccc;\" href=\"https:\/\/dpm360.com\/san-pham\/tem-bo-mach-dien-tu\/\">tem bo m\u1ea1ch \u0111i\u1ec7n t\u1eed<\/a> <\/span>v\u00e0 ph\u00e2n ph\u1ed1i v\u1eadt t\u01b0 ph\u00f2ng s\u1ea1ch nh\u01b0 <span style=\"color: #ff00ff;\"><a style=\"color: #ff00ff;\" href=\"https:\/\/dpm360.com\/san-pham\/bang-dinh-noi-lieu-smt\/\">b\u0103ng d\u00ednh n\u1ed1i li\u1ec7u SMT<\/a><\/span>, ph\u1ee5 tr\u1ee3 cho c\u00e1c doanh nghi\u1ec7p gia c\u00f4ng h\u00e0n b\u1ea3ng m\u1ea1ch, h\u00e0n PCB, h\u00e0n SMT, l\u1eafp r\u00e1p \u0111i\u1ec7n t\u1eed, thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i gia c\u00f4ng v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m kh\u00e1c. N\u1ebfu b\u1ea1n c\u00f3 s\u1ea3n ph\u1ea9m c\u1ea7n thi\u1ebft, vui l\u00f2ng li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u1ee5c l\u1ee5c L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u1ed1i ph\u00f3 v\u1edbi h\u00e0n k\u00e9m c\u1ee7a SMT?Ph\u00e2n t\u00edch khuy\u1ebft t\u1eadt h\u00e0n s\u00f3ng: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u1ed1i ph\u00f3 v\u1edbi h\u00e0n k\u00e9m c\u1ee7a SMT? + B\u1ec1 m\u1eb7t \u0111\u1ec9nh s\u00f3ng: B\u1ec1 m\u1eb7t c\u1ee7a s\u00f3ng \u0111\u01b0\u1ee3c bao ph\u1ee7 b\u1edfi m\u1ed9t l\u1edbp v\u1ea3y oxit, l\u1edbp n\u00e0y g\u1ea7n nh\u01b0 t\u0129nh d\u1ecdc theo to\u00e0n b\u1ed9 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/dpm360.com\/san-pham\/han-kem-cua-smt\/\" class=\"more-link\">\u0110\u1ecdc ti\u1ebfp<span class=\"screen-reader-text\"> &#8220;L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 kh\u1eafc ph\u1ee5c v\u1edbi h\u00e0n k\u00e9m c\u1ee7a SMT?&#8221;<\/span><\/a><\/p>\n","protected":false},"featured_media":6357,"comment_status":"open","ping_status":"closed","template":"","meta":[],"yoast_head":"\n<title>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 kh\u1eafc ph\u1ee5c v\u1edbi h\u00e0n k\u00e9m c\u1ee7a SMT? - C\u00f4ng Ty TNHH Qu\u1ed1c T\u1ebf BiNa Vi\u1ec7t Nam<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dpm360.com\/san-pham\/han-kem-cua-smt\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 kh\u1eafc ph\u1ee5c v\u1edbi h\u00e0n k\u00e9m c\u1ee7a SMT? - C\u00f4ng Ty TNHH Qu\u1ed1c T\u1ebf BiNa Vi\u1ec7t Nam\" \/>\n<meta property=\"og:description\" content=\"M\u1ee5c l\u1ee5c L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u1ed1i ph\u00f3 v\u1edbi h\u00e0n k\u00e9m c\u1ee7a SMT?Ph\u00e2n t\u00edch khuy\u1ebft t\u1eadt h\u00e0n s\u00f3ng: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u1ed1i ph\u00f3 v\u1edbi h\u00e0n k\u00e9m c\u1ee7a SMT? + B\u1ec1 m\u1eb7t \u0111\u1ec9nh s\u00f3ng: B\u1ec1 m\u1eb7t c\u1ee7a s\u00f3ng \u0111\u01b0\u1ee3c bao ph\u1ee7 b\u1edfi m\u1ed9t l\u1edbp v\u1ea3y oxit, l\u1edbp n\u00e0y g\u1ea7n nh\u01b0 t\u0129nh d\u1ecdc theo to\u00e0n b\u1ed9 &hellip; \u0110\u1ecdc ti\u1ebfp &quot;L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 kh\u1eafc ph\u1ee5c v\u1edbi h\u00e0n k\u00e9m c\u1ee7a SMT?&quot;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/dpm360.com\/san-pham\/han-kem-cua-smt\/\" \/>\n<meta property=\"og:site_name\" content=\"C\u00f4ng Ty TNHH Qu\u1ed1c T\u1ebf BiNa Vi\u1ec7t Nam\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/dpm360.com\/\" \/>\n<meta property=\"article:modified_time\" content=\"2023-12-29T08:51:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/dpm360.com\/wp-content\/uploads\/2023\/12\/han-kem-SMT.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"500\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\">\n\t<meta name=\"twitter:data1\" content=\"admin\">\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\">\n\t<meta name=\"twitter:data2\" content=\"21 ph\u00fat\">\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Organization\",\"@id\":\"https:\/\/dpm360.com\/#organization\",\"name\":\"C\\u00f4ng ty TNHH Qu\\u1ed1c T\\u1ebf BiNa Vi\\u1ec7t Nam\",\"url\":\"https:\/\/dpm360.com\/\",\"sameAs\":[\"https:\/\/www.facebook.com\/dpm360.com\/\"],\"logo\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/dpm360.com\/#logo\",\"inLanguage\":\"vi\",\"url\":\"https:\/\/dpm360.com\/wp-content\/uploads\/2020\/11\/z2172677196694_533a63b41510da1f478e088d802f6828.jpg\",\"width\":1000,\"height\":500,\"caption\":\"C\\u00f4ng ty TNHH Qu\\u1ed1c T\\u1ebf BiNa Vi\\u1ec7t Nam\"},\"image\":{\"@id\":\"https:\/\/dpm360.com\/#logo\"}},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/dpm360.com\/#website\",\"url\":\"https:\/\/dpm360.com\/\",\"name\":\"dpm360.com\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/dpm360.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":\"https:\/\/dpm360.com\/?s={search_term_string}\",\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"vi\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/dpm360.com\/san-pham\/han-kem-cua-smt\/#primaryimage\",\"inLanguage\":\"vi\",\"url\":\"https:\/\/dpm360.com\/wp-content\/uploads\/2023\/12\/han-kem-SMT.jpg\",\"width\":500,\"height\":500,\"caption\":\"Kh\\u1eafc ph\\u1ee5c h\\u00e0n k\\u00e9m SMT\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/dpm360.com\/san-pham\/han-kem-cua-smt\/#webpage\",\"url\":\"https:\/\/dpm360.com\/san-pham\/han-kem-cua-smt\/\",\"name\":\"L\\u00e0m th\\u1ebf n\\u00e0o \\u0111\\u1ec3 kh\\u1eafc ph\\u1ee5c v\\u1edbi h\\u00e0n k\\u00e9m c\\u1ee7a SMT? - C\\u00f4ng Ty TNHH Qu\\u1ed1c T\\u1ebf BiNa Vi\\u1ec7t Nam\",\"isPartOf\":{\"@id\":\"https:\/\/dpm360.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/dpm360.com\/san-pham\/han-kem-cua-smt\/#primaryimage\"},\"datePublished\":\"2023-12-29T08:50:14+00:00\",\"dateModified\":\"2023-12-29T08:51:46+00:00\",\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/dpm360.com\/san-pham\/han-kem-cua-smt\/\"]}]}]}<\/script>\n","_links":{"self":[{"href":"https:\/\/dpm360.com\/wp-json\/wp\/v2\/product\/6356"}],"collection":[{"href":"https:\/\/dpm360.com\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/dpm360.com\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/dpm360.com\/wp-json\/wp\/v2\/comments?post=6356"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dpm360.com\/wp-json\/wp\/v2\/media\/6357"}],"wp:attachment":[{"href":"https:\/\/dpm360.com\/wp-json\/wp\/v2\/media?parent=6356"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}