{"id":4913,"date":"2026-06-05T16:12:43","date_gmt":"2026-06-05T08:12:43","guid":{"rendered":"https:\/\/www.opticalcutting.com\/?p=4913"},"modified":"2026-06-05T16:12:43","modified_gmt":"2026-06-05T08:12:43","slug":"may-cat-kinh-znse","status":"publish","type":"post","link":"https:\/\/www.opticalcutting.com\/vi\/may-cat-kinh-znse\/","title":{"rendered":"M\u00e1y c\u1eaft th\u1ea5u k\u00ednh ZnSe \u2014 C\u1eaft ch\u00ednh x\u00e1c cho quang h\u1ecdc K\u1ebdm Selenide"},"content":{"rendered":"<p>M\u00e1y c\u1eaft k\u00ednh ZnSe l\u00e0 thi\u1ebft b\u1ecb c\u1eaft ch\u00ednh x\u00e1c \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 c\u1eaft c\u00e1c ph\u00f4i k\u1ebdm selenide \u0111\u01b0\u1ee3c nu\u00f4i c\u1ea5y b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p CVD th\u00e0nh c\u00e1c \u0111\u1ebf k\u00ednh cho quang h\u1ecdc laser CO\u2082, h\u1ec7 th\u1ed1ng \u1ea3nh nhi\u1ec7t v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng FLIR. ZnSe l\u00e0 v\u1eadt li\u1ec7u chi\u1ebfm \u01b0u th\u1ebf cho c\u00e1c th\u1ea5u k\u00ednh h\u1ed9i t\u1ee5 v\u00e0 c\u1eeda s\u1ed5 laser CO\u2082 10,6 \u03bcm nh\u1edd d\u1ea3i truy\u1ec1n h\u1ed3ng ngo\u1ea1i r\u1ed9ng (0,5\u201322 \u03bcm) v\u00e0 \u0111\u1ed9 h\u1ea5p th\u1ee5 th\u1ea5p \u1edf c\u00e1c b\u01b0\u1edbc s\u00f3ng laser \u2014 nh\u01b0ng n\u00f3 c\u0169ng m\u1ec1m, gi\u00f2n v\u00e0 \u0111\u1ed9c h\u1ea1i n\u1ebfu gia c\u00f4ng kh\u00f4ng \u0111\u00fang c\u00e1ch. Vi\u1ec7c l\u1ef1a ch\u1ecdn m\u00e1y c\u1eaft k\u00ednh ZnSe ph\u00f9 h\u1ee3p s\u1ebd quy\u1ebft \u0111\u1ecbnh li\u1ec7u b\u1ea1n c\u00f3 nh\u1eadn \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1ebf k\u00ednh s\u1ea1ch, kh\u00f4ng n\u1ee9t hay ch\u1ec9 l\u00e0 ph\u1ebf li\u1ec7u \u0111\u1eaft ti\u1ec1n v\u1edbi b\u1ee5i selen nguy hi\u1ec3m.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/znse-lens-cutting-machine-1024x683.jpg\" alt=\"Vimfun Glass Cutting Equipment\" class=\"wp-image-4914\" title=\"Thi\u1ebft b\u1ecb c\u1eaft k\u00ednh Vimfun l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u00e1y ho\u00e0n h\u1ea3o \u0111\u1ec3 c\u1eaft ch\u00ednh x\u00e1c\" srcset=\"https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/znse-lens-cutting-machine-1024x683.jpg 1024w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/znse-lens-cutting-machine-300x200.jpg 300w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/znse-lens-cutting-machine-768x512.jpg 768w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/znse-lens-cutting-machine-18x12.jpg 18w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/znse-lens-cutting-machine-600x400.jpg 600w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/znse-lens-cutting-machine.jpg 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>Loop-type diamond wire saw for graphite,optical glass and so on.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">M\u00e1y c\u1eaft k\u00ednh ZnSe l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p>M\u00e1y c\u1eaft k\u00ednh ZnSe l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng c\u1eaft m\u00e0i m\u00f2n b\u1eb1ng kim c\u01b0\u01a1ng \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 c\u1eaft c\u00e1c ph\u00f4i k\u1ebdm selenide \u2014 th\u01b0\u1eddng l\u00e0 c\u00e1c th\u1ecfi \u0111\u01b0\u1ee3c nu\u00f4i c\u1ea5y b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p CVD ho\u1eb7c c\u00e1c h\u00ecnh tr\u1ee5 \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u00ecnh s\u1eb5n \u2014 th\u00e0nh c\u00e1c \u0111\u1ebf ph\u1eb3ng s\u1eb5n s\u00e0ng cho qu\u00e1 tr\u00ecnh <a href=\"\/vi\/lens-grinding-equipment\/\">M\u00e0i<\/a> V\u00e0 <a href=\"\/vi\/may-danh-bong-quang-hoc\/\">\u0111\u00e1nh b\u00f3ng<\/a>. Kh\u00f4ng gi\u1ed1ng nh\u01b0 thi\u1ebft b\u1ecb c\u1eaft quang h\u1ecdc \u0111a n\u0103ng, m\u00e1y c\u1eaft k\u00ednh ZnSe ph\u1ea3i t\u00ednh \u0111\u1ebfn s\u1ef1 k\u1ebft h\u1ee3p \u0111\u1ed9c \u0111\u00e1o c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a v\u1eadt li\u1ec7u:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u1ed9 m\u1ec1m:<\/strong> ZnSe c\u00f3 \u0111\u1ed9 c\u1ee9ng Knoop x\u1ea5p x\u1ec9 120 \u2014 m\u1ec1m h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi gecmani (~780) ho\u1eb7c silicon (~1.150). \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 b\u1ed9 ph\u1eadn c\u1eaft d\u1ec5 d\u00e0ng xuy\u00ean qua nh\u01b0ng c\u0169ng t\u1ea1o ra h\u01b0 h\u1ecfng d\u01b0\u1edbi b\u1ec1 m\u1eb7t s\u00e2u n\u1ebfu l\u1ef1c ho\u1eb7c t\u1ed1c \u0111\u1ed9 ti\u1ebfn dao qu\u00e1 m\u1ee9c.<\/li>\n\n\n\n<li><strong>Brittleness:<\/strong> M\u1eb7c d\u00f9 m\u1ec1m, ZnSe l\u1ea1i gi\u00f2n. N\u00f3 b\u1ecb n\u1ee9t d\u1ecdc theo c\u00e1c m\u1eb7t ph\u1eb3ng t\u00e1ch d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng ho\u1eb7c \u1ee9ng su\u1ea5t kh\u00f4ng \u0111\u1ec1u, t\u1ea1o ra c\u00e1c m\u1ea3nh v\u1ee5n v\u00e0 v\u1ebft n\u1ee9t lan v\u00e0o \u0111\u1ebf.<\/li>\n\n\n\n<li><strong>\u0110\u1ed9c t\u00ednh:<\/strong> K\u1ebdm selenide ch\u1ee9a selen, m\u1ed9t nguy\u00ean t\u1ed1 \u0111\u1ed9c h\u1ea1i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. Vi\u1ec7c c\u1eaft, m\u00e0i v\u00e0 \u0111\u00e1nh b\u00f3ng ZnSe t\u1ea1o ra b\u1ee5i m\u1ecbn, c\u00f3 h\u1ea1i khi h\u00edt ph\u1ea3i v\u00e0 ti\u1ebfp x\u00fac v\u1edbi da. M\u00e1y c\u1eaft ph\u1ea3i t\u00edch h\u1ee3p c\u00e1c bu\u1ed3ng c\u1eaft k\u00edn v\u00e0 quy tr\u00ecnh c\u1eaft \u01b0\u1edbt \u0111\u1ec3 ch\u1ee9a c\u00e1c h\u1ea1t ch\u1ee9a selen.<\/li>\n\n\n\n<li><strong>Truy\u1ec1n IR r\u1ed9ng:<\/strong> ZnSe truy\u1ec1n t\u1eeb v\u00f9ng nh\u00ecn th\u1ea5y (0,5 \u03bcm) \u0111\u1ebfn v\u00f9ng h\u1ed3ng ngo\u1ea1i xa (22 \u03bcm), khi\u1ebfn n\u00f3 kh\u00f4ng th\u1ec3 thay th\u1ebf cho quang h\u1ecdc laser CO\u2082 (10,6 \u03bcm) v\u00e0 \u1ea3nh nhi\u1ec7t \u0111a b\u0103ng t\u1ea7n. B\u1ea5t k\u1ef3 h\u01b0 h\u1ecfng d\u01b0\u1edbi b\u1ec1 m\u1eb7t n\u00e0o do c\u1eaft \u0111\u1ec1u l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng truy\u1ec1n v\u00e0 t\u0103ng t\u00e1n x\u1ea1 \u2014 c\u00e1c khuy\u1ebft t\u1eadt v\u00f4 h\u00ecnh b\u1eb1ng m\u1eaft th\u01b0\u1eddng c\u00f3 th\u1ec3 l\u00e0m cho th\u1ea5u k\u00ednh kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c v\u1ec1 m\u1eb7t quang h\u1ecdc.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">M\u00e1y c\u1eaft k\u00ednh ZnSe \u2014 C\u00e1c th\u00f4ng s\u1ed1 ch\u00ednh<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Tham s\u1ed1<\/th><th>C\u01b0a d\u00e2y kim c\u01b0\u01a1ng<\/th><th>M\u00e1y c\u01b0a ID (\u0110\u01b0\u1eddng k\u00ednh trong)<\/th><th>M\u00e1y c\u01b0a v\u00f2ng<\/th><\/tr><\/thead><tbody><tr><td>\u0110\u1ed9 r\u1ed9ng h\u1eb9p<\/td><td>0,20\u20130,35 mm<\/td><td>0,3\u20130,8 mm<\/td><td>0,8\u20131,5 mm<\/td><\/tr><tr><td>\u0110\u1ed9 ch\u00ednh x\u00e1c c\u1eaft (TTV)<\/td><td>8\u201315 \u03bcm (\u03a650 mm)<\/td><td>5\u201310 \u03bcm<\/td><td>10\u201320 \u03bcm<\/td><\/tr><tr><td>\u0110\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t (Ra)<\/td><td>0,6\u20131,2 \u03bcm<\/td><td>0,4\u20130,8 \u03bcm<\/td><td>1,5\u20133,0 \u03bcm<\/td><\/tr><tr><td>\u0110\u01b0\u1eddng k\u00ednh ph\u00f4i t\u1ed1i \u0111a<\/td><td>T\u00f9y thu\u1ed9c v\u00e0o m\u1eabu m\u00e3<\/td><td>Gi\u1edbi h\u1ea1n b\u1edfi ID l\u01b0\u1ee1i dao<\/td><td>L\u00ean \u0111\u1ebfn 200 mm<\/td><\/tr><tr><td>\u0110\u1ed9 s\u00e2u h\u01b0 h\u1ecfng d\u01b0\u1edbi b\u1ec1 m\u1eb7t<\/td><td>15\u201340 \u03bcm<\/td><td>10\u201330 \u03bcm<\/td><td>40\u201380 \u03bcm<\/td><\/tr><tr><td>Lo\u1ea1i ch\u1ea5t l\u00e0m m\u00e1t<\/td><td>D\u1ea1ng n\u01b0\u1edbc (k\u00edn)<\/td><td>D\u1ea1ng n\u01b0\u1edbc (k\u00edn)<\/td><td>D\u1ea1ng n\u01b0\u1edbc (k\u00edn)<\/td><\/tr><tr><td>Ch\u1ee9a b\u1ee5i selen<\/td><td>C\u1eaft \u01b0\u1edbt + bu\u1ed3ng k\u00edn<\/td><td>C\u1eaft \u01b0\u1edbt + bu\u1ed3ng k\u00edn<\/td><td>C\u1eaft \u01b0\u1edbt + bu\u1ed3ng k\u00edn<\/td><\/tr><tr><td>\u1ee8ng d\u1ee5ng t\u1ed1t nh\u1ea5t<\/td><td>C\u1eaft l\u00e1t s\u1ea3n xu\u1ea5t, c\u00f4ng vi\u1ec7c nh\u1ea1y c\u1ea3m v\u1edbi \u0111\u1ed9 d\u00e0y l\u00e1t c\u1eaft<\/td><td>L\u00e1t c\u1eaft \u0111\u01a1n c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao<\/td><td>Ph\u00f4i l\u1edbn, t\u1ea1o h\u00ecnh th\u00f4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>L\u01b0u \u00fd:<\/strong> T\u1ea5t c\u1ea3 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u1eaft ZnSe \u0111\u1ec1u y\u00eau c\u1ea7u m\u00f4i tr\u01b0\u1eddng c\u1eaft \u01b0\u1edbt k\u00edn \u0111\u1ec3 qu\u1ea3n l\u00fd b\u1ee5i v\u00e0 b\u00f9n ch\u1ee9a selen. Vi\u1ec7c c\u1eaft kh\u00f4 ZnSe l\u00e0 kh\u00f4ng th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c c\u1ea3 v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 an to\u00e0n.<\/p>\n\n\n\n<p>\u0110\u1ec3 so s\u00e1nh chi ti\u1ebft c\u00f4ng ngh\u1ec7 m\u00e1y c\u1eaft d\u00e2y so v\u1edbi m\u00e1y c\u1eaft ID tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c v\u1eadt li\u1ec7u IR, vui l\u00f2ng xem <a href=\"\/vi\/wire-saw-vs-id-saw\/\">m\u00e1y c\u1eaft d\u00e2y so v\u1edbi m\u00e1y c\u1eaft ID<\/a> h\u01b0\u1edbng d\u1eabn so s\u00e1nh.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2025\/06\/Cutting-Germanium-Lenses1-1024x576.webp\" alt=\"Cutting Germanium Lenses3\uff0cProcessing Germanium\" class=\"wp-image-4332\" title=\"Thi\u1ebft b\u1ecb c\u1eaft k\u00ednh Vimfun l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u00e1y ho\u00e0n h\u1ea3o \u0111\u1ec3 c\u1eaft ch\u00ednh x\u00e1c\" srcset=\"https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2025\/06\/Cutting-Germanium-Lenses1-1024x576.webp 1024w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2025\/06\/Cutting-Germanium-Lenses1-300x169.webp 300w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2025\/06\/Cutting-Germanium-Lenses1-768x432.webp 768w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2025\/06\/Cutting-Germanium-Lenses1-1536x864.webp 1536w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2025\/06\/Cutting-Germanium-Lenses1-2048x1152.webp 2048w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2025\/06\/Cutting-Germanium-Lenses1-18x10.webp 18w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2025\/06\/Cutting-Germanium-Lenses1-600x338.webp 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>Loop-type diamond wire saw for graphite,optical glass and so on.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1ch Thi\u1ebft L\u1eadp M\u00e1y C\u1eaft L\u0103ng K\u00ednh ZnSe \u0110\u1ec3 \u0110\u1ea1t K\u1ebft Qu\u1ea3 T\u1ed1i \u01afu<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">B\u01b0\u1edbc 1: Ch\u1ecdn H\u1ea1t M\u00e0i Kim C\u01b0\u01a1ng Ph\u00f9 H\u1ee3p Cho ZnSe<\/h3>\n\n\n\n<p>\u0110\u1ed9 c\u1ee9ng th\u1ea5p c\u1ee7a ZnSe (Knoop ~120) c\u00f3 ngh\u0129a l\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t kim c\u01b0\u01a1ng ph\u1ea3i \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn c\u1ea9n th\u1eadn. H\u1ea1t qu\u00e1 th\u00f4 c\u1eaft nhanh nh\u01b0ng t\u1ea1o ra h\u01b0 h\u1ecfng d\u01b0\u1edbi b\u1ec1 m\u1eb7t s\u00e2u, \u0111\u00f2i h\u1ecfi ph\u1ea3i m\u00e0i <a href=\"\/vi\/mai-hai-mat-tam-wafer\/\">k\u1ef9 l\u01b0\u1ee1ng<\/a> \u0111\u1ec3 lo\u1ea1i b\u1ecf \u2014 l\u00e0m m\u1ea5t \u0111i b\u1ea5t k\u1ef3 th\u1eddi gian ti\u1ebft ki\u1ec7m n\u00e0o. H\u1ea1t qu\u00e1 m\u1ecbn l\u00e0m gi\u1ea3m t\u1ed1c \u0111\u1ed9 c\u1eaft \u0111\u1ebfn m\u1ee9c kh\u00f4ng th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi vi\u1ec7c c\u1eaft d\u00e2y kim c\u01b0\u01a1ng ZnSe, s\u1eed d\u1ee5ng d\u00e2y c\u00f3 h\u1ea1t kim c\u01b0\u01a1ng trong kho\u1ea3ng 20\u201340 \u03bcm \u0111\u1ec3 c\u1eaft l\u00e1t s\u1ea3n xu\u1ea5t. \u0110\u1ed1i v\u1edbi l\u01b0\u1ee1i c\u1eaft ID, ch\u1ecdn n\u1ed3ng \u0111\u1ed9 kim c\u01b0\u01a1ng v\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t \u0111\u01b0\u1ee3c nh\u00e0 s\u1ea3n xu\u1ea5t l\u01b0\u1ee1i c\u1eaft khuy\u1ebfn ngh\u1ecb cho v\u1eadt li\u1ec7u tinh th\u1ec3 m\u1ec1m (t\u01b0\u01a1ng t\u1ef1 nh\u01b0 khuy\u1ebfn ngh\u1ecb cho CdTe ho\u1eb7c GaAs, kh\u00f4ng ph\u1ea3i germanium \u2014 germanium c\u1ee9ng h\u01a1n nhi\u1ec1u).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u01b0\u1edbc 2: \u0110\u1eb7t T\u1ed1c \u0111\u1ed9 c\u1ea5p li\u1ec7u d\u01b0\u1edbi ng\u01b0\u1ee1ng g\u00e3y<\/h3>\n\n\n\n<p>S\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa \u0111\u1ed9 m\u1ec1m v\u00e0 \u0111\u1ed9 gi\u00f2n c\u1ee7a ZnSe t\u1ea1o ra m\u1ed9t ph\u1ea1m vi t\u1ed1c \u0111\u1ed9 c\u1ea5p li\u1ec7u t\u1ed1i \u01b0u h\u1eb9p. Qu\u00e1 nhanh \u2192 g\u00e3y t\u00e1ch v\u00e0 s\u1ee9t m\u1ebb c\u1ea1nh. Qu\u00e1 ch\u1eadm \u2192 t\u00edch t\u1ee5 nhi\u1ec7t qu\u00e1 m\u1ee9c do ma s\u00e1t (ngay c\u1ea3 khi c\u00f3 ch\u1ea5t l\u00e0m m\u00e1t), c\u00f3 th\u1ec3 g\u00e2y n\u1ee9t do \u1ee9ng su\u1ea5t nhi\u1ec7t.<\/p>\n\n\n\n<p>B\u1eaft \u0111\u1ea7u \u1edf m\u1ee9c 30\u201350% t\u1ed1c \u0111\u1ed9 c\u1ea5p li\u1ec7u b\u1ea1n s\u1ebd s\u1eed d\u1ee5ng cho gecmani tr\u00ean c\u00f9ng m\u1ed9t m\u00e1y. Th\u1ef1c hi\u1ec7n c\u00e1c l\u1ea7n c\u1eaft th\u1eed nghi\u1ec7m v\u00e0 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng c\u1ea1nh d\u01b0\u1edbi k\u00ednh hi\u1ec3n vi tr\u01b0\u1edbc khi t\u0103ng t\u1ed1c \u0111\u1ed9. M\u1ee5c ti\u00eau l\u00e0 m\u1ed9t c\u1ea1nh c\u1eaft s\u1ea1ch s\u1ebd, kh\u00f4ng c\u00f3 v\u1ebft s\u1ee9t m\u1ebb n\u00e0o c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y \u1edf \u0111\u1ed9 ph\u00f3ng \u0111\u1ea1i 10\u00d7.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u01b0\u1edbc 3: C\u1ea5u h\u00ecnh Ch\u1ea5t l\u00e0m m\u00e1t \u0111\u1ec3 Ch\u1ee9a Selen<\/h3>\n\n\n\n<p>Ch\u1ea5t l\u00e0m m\u00e1t ph\u1ee5c v\u1ee5 hai m\u1ee5c \u0111\u00edch tr\u00ean m\u00e1y c\u1eaft th\u1ea5u k\u00ednh ZnSe: qu\u1ea3n l\u00fd nhi\u1ec7t v\u00e0 ng\u0103n ch\u1eb7n b\u1ee5i nguy hi\u1ec3m. S\u1eed d\u1ee5ng ch\u1ea5t l\u00e0m m\u00e1t g\u1ed1c n\u01b0\u1edbc \u0111\u01b0\u1ee3c cung c\u1ea5p v\u1edbi l\u01b0u l\u01b0\u1ee3ng \u0111\u1ee7 \u0111\u1ec3 gi\u1eef cho to\u00e0n b\u1ed9 v\u00f9ng c\u1eaft ng\u1eadp trong ch\u1ea5t l\u1ecfng. H\u1ec7 th\u1ed1ng ch\u1ea5t l\u00e0m m\u00e1t ph\u1ea3i bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>L\u1ecdc<\/strong> \u0111\u1ec3 thu gi\u1eef c\u00e1c h\u1ea1t ch\u1ee9a selen tr\u01b0\u1edbc khi t\u00e1i tu\u1ea7n ho\u00e0n<\/li>\n\n\n\n<li><strong>Thu gom k\u00edn<\/strong> cho ch\u1ea5t l\u00e0m m\u00e1t \u0111\u00e3 qua s\u1eed d\u1ee5ng v\u00e0 b\u00f9n c\u1eaft \u2014 \u0111\u00e2y l\u00e0 ch\u1ea5t th\u1ea3i nguy h\u1ea1i y\u00eau c\u1ea7u x\u1eed l\u00fd \u0111\u00fang c\u00e1ch theo quy \u0111\u1ecbnh m\u00f4i tr\u01b0\u1eddng \u0111\u1ecba ph\u01b0\u01a1ng<\/li>\n\n\n\n<li><strong>Ng\u0103n b\u1eafn t\u00f3e<\/strong> xung quanh bu\u1ed3ng c\u1eaft \u0111\u1ec3 ng\u0103n s\u01b0\u01a1ng m\u00f9 nhi\u1ec5m selen tho\u00e1t ra ngo\u00e0i<\/li>\n<\/ul>\n\n\n\n<p>C\u01a1 quan Qu\u1ea3n l\u00fd An to\u00e0n v\u00e0 S\u1ee9c kh\u1ecfe Ngh\u1ec1 nghi\u1ec7p Hoa K\u1ef3 (<a href=\"https:\/\/www.osha.gov\/selenium\" target=\"_blank\" rel=\"noreferrer noopener\">OSHA<\/a>) \u0111\u1eb7t gi\u1edbi h\u1ea1n ph\u01a1i nhi\u1ec5m cho ph\u00e9p (PEL) l\u00e0 0,2 mg\/m\u00b3 \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ee3p ch\u1ea5t selen. Vi\u1ec7c c\u1eaft \u01b0\u1edbt \u0111\u00fang c\u00e1ch v\u1edbi c\u00e1c bu\u1ed3ng k\u00edn gi\u1eef m\u1ee9c \u0111\u1ed9 trong kh\u00f4ng kh\u00ed th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi ng\u01b0\u1ee1ng n\u00e0y.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u01b0\u1edbc 4: C\u1ed1 \u0111\u1ecbnh Ph\u00f4i b\u1eb1ng C\u1ed1 \u0111\u1ecbnh \u0110\u1ed3ng \u0111\u1ec1u, \u00cdt \u1ee9ng su\u1ea5t<\/h3>\n\n\n\n<p>Ph\u00f4i ZnSe ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t v\u1edbi s\u1ef1 h\u1ed7 tr\u1ee3 \u0111\u1ed3ng \u0111\u1ec1u \u0111\u1ec3 ng\u0103n ng\u1eeba \u1ee9ng su\u1ea5t u\u1ed1n trong qu\u00e1 tr\u00ecnh c\u1eaft. S\u1eed d\u1ee5ng s\u00e1p ho\u1eb7c keo d\u00e1n tr\u00ean b\u1ec1 m\u1eb7t tham chi\u1ebfu ph\u1eb3ng thay v\u00ec k\u1eb9p c\u01a1 h\u1ecdc, t\u1ea1o ra t\u1ea3i tr\u1ecdng \u0111i\u1ec3m tr\u00ean v\u1eadt li\u1ec7u m\u1ec1m. \u0110\u1ed1i v\u1edbi ph\u00f4i h\u00ecnh tr\u1ee5, c\u00e1c b\u1ed9 g\u00e1 ch\u1eef V c\u00f3 b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac m\u1ec1m (l\u00f3t PTFE ho\u1eb7c cao su) ph\u00e2n ph\u1ed1i l\u1ef1c k\u1eb9p \u0111\u1ec1u.<\/p>\n\n\n\n<p>K\u1eb9p kh\u00f4ng \u0111\u1ec1u l\u00e0 nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y n\u1ee9t ph\u00f4i ZnSe trong qu\u00e1 tr\u00ecnh c\u1eaft \u2014 v\u1eadt li\u1ec7u b\u1ecb n\u1ee9t tr\u01b0\u1edbc khi ng\u01b0\u1eddi v\u1eadn h\u00e0nh nh\u1eadn ra vi\u1ec7c l\u1eafp \u0111\u1eb7t b\u1ecb l\u1ec7ch.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u01b0\u1edbc 5: Ki\u1ec3m tra b\u1ec1 m\u1eb7t c\u1eaft tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh m\u00e0i<\/h3>\n\n\n\n<p>Sau khi c\u1eaft, ki\u1ec3m tra m\u1ecdi \u0111\u1ebf l\u00f3t xem c\u00f3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Edge chipping<\/strong> \u2014 c\u00e1c m\u1ea3nh v\u1ee1 l\u1edbn h\u01a1n 0,3 mm th\u01b0\u1eddng kh\u00f4ng th\u1ec3 lo\u1ea1i b\u1ecf b\u1eb1ng c\u00e1ch m\u00e0i ti\u1ebfp theo m\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m kh\u1ea9u \u0111\u1ed9 r\u00f5 r\u00e0ng d\u01b0\u1edbi m\u1ee9c quy \u0111\u1ecbnh<\/li>\n\n\n\n<li><strong>Surface cracks<\/strong> \u2014 s\u1eed d\u1ee5ng \u00e1nh s\u00e1ng ph\u00e2n c\u1ef1c ch\u00e9o \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c v\u1ebft n\u1ee9t d\u01b0\u1edbi b\u1ec1 m\u1eb7t kh\u00f4ng nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c trong \u00e1nh s\u00e1ng b\u00ecnh th\u01b0\u1eddng<\/li>\n\n\n\n<li><strong>TTV<\/strong> \u2014 \u0111o \u0111\u1ed9 bi\u1ebfn thi\u00ean t\u1ed5ng \u0111\u1ed9 d\u00e0y \u0111\u1ec3 x\u00e1c nh\u1eadn n\u00f3 n\u1eb1m trong <a href=\"\/vi\/mai-hai-mat-tam-wafer\/\">dung sai m\u00e0i<\/a> cho quy tr\u00ecnh ti\u1ebfp theo c\u1ee7a b\u1ea1n<\/li>\n<\/ul>\n\n\n\n<p>Ph\u00e1t hi\u1ec7n l\u1ed7i \u1edf giai \u0111o\u1ea1n c\u1eaft gi\u00fap tr\u00e1nh l\u00e3ng ph\u00ed th\u1eddi gian m\u00e0i v\u00e0 \u0111\u00e1nh b\u00f3ng cho c\u00e1c \u0111\u1ebf l\u00f3t \u0111\u00e3 b\u1ecb h\u1ecfng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 m\u00e1y c\u1eaft ZnSe<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">M\u1ebb c\u1ea1nh tr\u00ean m\u1ecdi v\u1ebft c\u1eaft \u2014 ph\u1ea3i l\u00e0m g\u00ec?<\/h3>\n\n\n\n<p>Gi\u1ea3m t\u1ed1c \u0111\u1ed9 c\u1ea5p li\u1ec7u xu\u1ed1ng 20\u201330% v\u00e0 ki\u1ec3m tra t\u00ecnh tr\u1ea1ng h\u1ea1t kim c\u01b0\u01a1ng. Tr\u00ean d\u00e2y kim c\u01b0\u01a1ng, m\u1ebb c\u1ea1nh th\u01b0\u1eddng c\u00f3 ngh\u0129a l\u00e0 d\u00e2y b\u1ecb m\u00f2n (l\u00f5i kim lo\u1ea1i l\u1ed9 ra ti\u1ebfp x\u00fac v\u1edbi ph\u00f4i) ho\u1eb7c h\u1ea1t qu\u00e1 th\u00f4 \u0111\u1ed1i v\u1edbi ZnSe. C\u0169ng x\u00e1c minh r\u1eb1ng ch\u1ea5t l\u00e0m m\u00e1t \u0111ang ti\u1ebfp c\u1eadn c\u1ea3 hai m\u1eb7t v\u00e0o v\u00e0 ra c\u1ee7a v\u1ebft c\u1eaft \u2014 m\u1ebb th\u01b0\u1eddng t\u1ec7 h\u01a1n \u1edf m\u1eb7t ra n\u01a1i d\u00e2y ho\u1eb7c l\u01b0\u1ee1i c\u1eaft xuy\u00ean qua v\u1eadt li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3. Th\u00eam m\u1ed9t t\u1ea5m l\u00f3t h\u1ed7 tr\u1ee3 (kh\u1ed1i than ch\u00ec m\u1ec1m ho\u1eb7c s\u00e1p) ph\u00eda sau ph\u00f4i ZnSe h\u1ed7 tr\u1ee3 c\u1ea1nh ra v\u00e0 gi\u1ea3m \u0111\u00e1ng k\u1ec3 m\u1ebb v\u1ee1.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t t\u1ec7 h\u01a1n d\u1ef1 ki\u1ebfn sau khi c\u1eaft?<\/h3>\n\n\n\n<p>N\u1ebfu Ra v\u01b0\u1ee3t qu\u00e1 1,5 \u03bcm tr\u00ean c\u00e1c v\u1ebft c\u1eaft b\u1eb1ng d\u00e2y kim c\u01b0\u01a1ng, h\u00e3y ki\u1ec3m tra \u0111\u1ed9 c\u0103ng v\u00e0 t\u1ed1c \u0111\u1ed9 c\u1ee7a d\u00e2y. \u0110\u1ed9 c\u0103ng th\u1ea5p g\u00e2y ra \u0111\u1ed9 l\u1ec7ch c\u1ee7a d\u00e2y, t\u1ea1o ra b\u1ec1 m\u1eb7t c\u1eaft g\u1ee3n s\u00f3ng. C\u0169ng x\u00e1c minh r\u1eb1ng ch\u1ea5t l\u00e0m m\u00e1t kh\u00f4ng mang c\u00e1c m\u1ea3nh v\u1ee5n c\u1eaft b\u1ecb l\u1eafng \u0111\u1ecdng tr\u1edf l\u1ea1i v\u00f9ng c\u1eaft \u2014 ch\u1ea5t l\u00e0m m\u00e1t b\u1ecb nhi\u1ec5m b\u1ea9n ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t ch\u1ea5t m\u00e0i m\u00f2n l\u1ecfng v\u00e0 l\u00e0m tr\u1ea7y x\u01b0\u1edbc b\u1ec1 m\u1eb7t v\u1eeba c\u1eaft. L\u1ecdc ho\u1eb7c thay th\u1ebf ch\u1ea5t l\u00e0m m\u00e1t v\u00e0 ch\u1ea1y l\u1ea1i v\u1ebft c\u1eaft th\u1eed nghi\u1ec7m.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c ho\u1ea1t \u0111\u1ed9ng m\u00e0 ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t sau khi c\u1eaft r\u1ea5t quan tr\u1ecdng, h\u00e3y xem x\u00e9t li\u1ec7u c\u01b0a ID c\u00f3 ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi y\u00eau c\u1ea7u dung sai c\u1ee7a b\u1ea1n kh\u00f4ng \u2014 c\u01b0a ID th\u01b0\u1eddng \u0111\u1ea1t Ra t\u1ed1t h\u01a1n tr\u00ean ZnSe so v\u1edbi c\u01b0a d\u00e2y, m\u1eb7c d\u00f9 chi ph\u00ed kerf cao h\u01a1n. Xem <a href=\"\/vi\/kerf-loss-reduction\/\">gi\u1ea3m thi\u1ec3u m\u1ea5t kerf germanium<\/a> h\u01b0\u1edbng d\u1eabn v\u1ec1 c\u00e1c nguy\u00ean t\u1eafc t\u1ed1i \u01b0u h\u00f3a khe c\u1eaft \u00e1p d\u1ee5ng cho c\u1ea3 ZnSe.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ph\u00f4i b\u1ecb n\u1ee9t trong qu\u00e1 tr\u00ecnh c\u1eaft \u2014 Kh\u00f4ng ph\u1ea3i \u1edf \u0111\u01b0\u1eddng c\u1eaft?<\/h3>\n\n\n\n<p>C\u00e1c v\u1ebft n\u1ee9t xu\u1ea5t hi\u1ec7n c\u00e1ch xa v\u00f9ng c\u1eaft cho th\u1ea5y c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 c\u1ed1 \u0111\u1ecbnh ho\u1eb7c khuy\u1ebft t\u1eadt v\u1eadt li\u1ec7u c\u00f3 s\u1eb5n. Ki\u1ec3m tra t\u00ednh \u0111\u1ed3ng nh\u1ea5t c\u1ee7a m\u1ed1i d\u00e1n \u2014 b\u1ecdt kh\u00ed d\u01b0\u1edbi ph\u00f4i t\u1ea1o ra c\u00e1c kho\u1ea3ng tr\u1ed1ng kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1ecb u\u1ed1n cong v\u00e0 n\u1ee9t khi l\u1ef1c c\u1eaft \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng. \u0110\u1ed1i v\u1edbi ZnSe CVD, c\u0169ng ki\u1ec3m tra ph\u00f4i xem c\u00f3 khuy\u1ebft t\u1eadt ph\u00e1t tri\u1ec3n (l\u1ed7 r\u1ed7ng, bao th\u1ec3) \u0111\u00f3ng vai tr\u00f2 l\u00e0 \u0111i\u1ec3m t\u1eadp trung \u1ee9ng su\u1ea5t hay kh\u00f4ng. Y\u00eau c\u1ea7u ch\u1ee9ng ch\u1ec9 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a nh\u00e0 cung c\u1ea5p hi\u1ec3n th\u1ecb m\u1eadt \u0111\u1ed9 l\u1ed7 r\u1ed7ng v\u00e0 s\u1ed1 l\u01b0\u1ee3ng bao th\u1ec3 cho m\u1ed7i kh\u1ed1i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">M\u1ed1i lo ng\u1ea1i v\u1ec1 ph\u01a1i nhi\u1ec5m Selen \u2014 L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 x\u00e1c minh s\u1ef1 ng\u0103n ch\u1eb7n?<\/h3>\n\n\n\n<p>Ti\u1ebfn h\u00e0nh gi\u00e1m s\u00e1t ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed g\u1ea7n m\u00e1y c\u1eaft trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng. S\u1eed d\u1ee5ng c\u00e1c th\u1ebb l\u1ea5y m\u1eabu kh\u00f4ng kh\u00ed c\u00e1 nh\u00e2n (Ph\u01b0\u01a1ng ph\u00e1p NIOSH 7300 cho selen) \u0111\u1ec3 \u0111o m\u1ee9c \u0111\u1ed9 ph\u01a1i nhi\u1ec5m c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh. N\u1ebfu c\u00e1c ch\u1ec9 s\u1ed1 \u0111\u1ecdc g\u1ea7n b\u1eb1ng 50% c\u1ee7a OSHA PEL (0,1 mg\/m\u00b3), h\u00e3y c\u1ea3i thi\u1ec7n h\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3 ho\u1eb7c l\u01b0u l\u01b0\u1ee3ng ch\u1ea5t l\u00e0m m\u00e1t tr\u01b0\u1edbc khi m\u1ee9c \u0111\u1ed9 \u0111\u1ea1t \u0111\u1ebfn ng\u01b0\u1ee1ng h\u00e0nh \u0111\u1ed9ng. Ghi l\u1ea1i t\u1ea5t c\u1ea3 k\u1ebft qu\u1ea3 gi\u00e1m s\u00e1t \u2014 \u0111i\u1ec1u n\u00e0y b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe ng\u01b0\u1eddi lao \u0111\u1ed9ng v\u00e0 tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh c\u1ee7a c\u01a1 s\u1edf c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u1eaft \u1ed1ng k\u00ednh ZnSe so v\u1edbi Germanium: Ch\u00fang so s\u00e1nh nh\u01b0 th\u1ebf n\u00e0o<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Factor<\/th><th>C\u1eaft ZnSe<\/th><th>C\u1eaft Germanium<\/th><\/tr><\/thead><tbody><tr><td>\u0110\u1ed9 c\u1ee9ng Knoop<\/td><td>~120 (m\u1ec1m)<\/td><td>~780 (c\u1ee9ng)<\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n ch\u1ed1ng n\u1ee9t<\/td><td>Th\u1ea5p<\/td><td>Th\u1ea5p (~0,6 MPa\u00b7m^0,5)<\/td><\/tr><tr><td>T\u1ed1c \u0111\u1ed9 ti\u1ebfn dao t\u1ed1i \u01b0u<\/td><td>Th\u1ea5p (30\u201350% t\u1ed1c \u0111\u1ed9 Ge)<\/td><td>C\u01a1 s\u1edf<\/td><\/tr><tr><td>\u0110\u1ed9 nh\u1ea1y m\u1ea5t khe c\u1eaft<\/td><td>Trung b\u00ecnh ($800\u20131.200\/kg)<\/td><td>R\u1ea5t cao ($7.000\u20139.000\/kg)<\/td><\/tr><tr><td>R\u1ee7i ro h\u01b0 h\u1ecfng d\u01b0\u1edbi b\u1ec1 m\u1eb7t<\/td><td>Cao (m\u1ec1m \u2192 h\u01b0 h\u1ecfng s\u00e2u \u1edf l\u1ef1c th\u1ea5p)<\/td><td>Trung b\u00ecnh (c\u1ee9ng \u2192 h\u01b0 h\u1ecfng n\u00f4ng h\u01a1n)<\/td><\/tr><tr><td>Thermal sensitivity<\/td><td>Trung b\u00ecnh (\u1ed5n \u0111\u1ecbnh \u0111\u1ebfn ~300\u00b0C)<\/td><td>Cao (d\u1ecbch chuy\u1ec3n v\u00f9ng c\u1ea5m tr\u00ean 100\u00b0C)<\/td><\/tr><tr><td>\u0110\u1ed9c t\u00ednh<\/td><td>\u26a0\ufe0f Selen \u2014 b\u1ee5i nguy hi\u1ec3m<\/td><td>Kh\u00f4ng \u0111\u1ed9c (PPE ti\u00eau chu\u1ea9n)<\/td><\/tr><tr><td>\u1ee8ng d\u1ee5ng ch\u00ednh<\/td><td>\u1ed0ng k\u00ednh\/c\u1eeda s\u1ed5 laser CO\u2082 (10,6 \u03bcm)<\/td><td>\u1ed0ng k\u00ednh \u1ea3nh nhi\u1ec7t (8\u201314 \u03bcm)<\/td><\/tr><tr><td>X\u1eed l\u00fd sau c\u1eaft<\/td><td>M\u00e0i \u2192 \u0111\u00e1nh b\u00f3ng \u2192 ph\u1ee7 AR<\/td><td>M\u00e0i \u2192 \u0111\u00e1nh b\u00f3ng \u2192 ph\u1ee7 AR<\/td><\/tr><tr><td>Ch\u1ee9a ch\u1ea5t l\u00e0m m\u00e1t<\/td><td>X\u1eed l\u00fd ch\u1ea5t th\u1ea3i nguy h\u1ea1i + k\u00edn<\/td><td>L\u1ecdc ti\u00eau chu\u1ea9n<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\u0110i\u1ec3m ch\u00ednh:<\/strong> ZnSe d\u1ec5 c\u1eaft h\u01a1n (v\u1eadt li\u1ec7u m\u1ec1m h\u01a1n, c\u1ea7n l\u1ef1c c\u1eaft th\u1ea5p h\u01a1n) nh\u01b0ng kh\u00f3 c\u1eaft h\u01a1n <em>t\u1ed1t<\/em> \u2014 \u0111\u1ed9 m\u1ec1m c\u00f3 ngh\u0129a l\u00e0 h\u01b0 h\u1ecfng x\u00e2m nh\u1eadp s\u00e2u h\u01a1n, v\u00e0 \u0111\u1ed9c t\u00ednh c\u1ee7a selen l\u00e0m t\u0103ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 m\u00f4i tr\u01b0\u1eddng v\u00e0 an to\u00e0n m\u00e0 gecmani kh\u00f4ng c\u00f3. A <a href=\"\/vi\/lens-cutting-machine\/\">m\u00e1y c\u1eaft k\u00ednh germanium<\/a> th\u01b0\u1eddng c\u00f3 th\u1ec3 x\u1eed l\u00fd ZnSe b\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh th\u00f4ng s\u1ed1, nh\u01b0ng h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t v\u00e0 thu gom b\u1ee5i ph\u1ea3i \u0111\u01b0\u1ee3c n\u00e2ng c\u1ea5p.<\/p>\n\n\n\n<p>\u0110\u1ec3 c\u00f3 c\u00e1i nh\u00ecn t\u1ed5ng quan to\u00e0n di\u1ec7n v\u1ec1 thi\u1ebft b\u1ecb c\u1eaft tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c v\u1eadt li\u1ec7u quang h\u1ecdc h\u1ed3ng ngo\u1ea1i, vui l\u00f2ng xem <a href=\"\/vi\/infrared-optics-manufacturing-equipment\/\">thi\u1ebft b\u1ecb s\u1ea3n xu\u1ea5t quang h\u1ecdc h\u1ed3ng ngo\u1ea1i<\/a> trang trung t\u00e2m c\u1ee7a ch\u00fang t\u00f4i.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe  id=\"_ytid_62161\"  width=\"640\" height=\"360\"  data-origwidth=\"640\" data-origheight=\"360\" src=\"https:\/\/www.youtube.com\/embed\/VibpEXsWhVY?enablejsapi=1&#038;autoplay=0&#038;cc_load_policy=0&#038;cc_lang_pref=&#038;iv_load_policy=1&#038;loop=0&#038;rel=1&#038;fs=1&#038;playsinline=0&#038;autohide=2&#038;theme=dark&#038;color=red&#038;controls=1&#038;disablekb=0&#038;\" class=\"__youtube_prefs__  epyt-is-override  no-lazyload\" title=\"Tr\u00ecnh ph\u00e1t YouTube\"  allow=\"fullscreen; accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen data-no-lazy=\"1\" data-skipgform_ajax_framebjll=\"\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00f4ng ngh\u1ec7 c\u1eaft d\u00e2y kim c\u01b0\u01a1ng mang l\u1ea1i l\u1ee3i \u00edch g\u00ec cho s\u1ea3n xu\u1ea5t \u1ed1ng k\u00ednh ZnSe<\/h2>\n\n\n\n<p>C\u1eaft d\u00e2y kim c\u01b0\u01a1ng \u0111\u00e3 tr\u1edf th\u00e0nh ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t \u0111\u1ebf \u1ed1ng k\u00ednh ZnSe trong c\u00e1c ho\u1ea1t \u0111\u1ed9ng m\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u v\u00e0 th\u00f4ng l\u01b0\u1ee3ng l\u00e0 quan tr\u1ecdng. \u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao:<\/p>\n\n\n\n<p><strong>R\u00e3nh c\u1eaft h\u1eb9p l\u00e0m gi\u1ea3m l\u00e3ng ph\u00ed v\u1eadt li\u1ec7u.<\/strong> D\u00e2y kim c\u01b0\u01a1ng c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 0,20\u20130,35 mm lo\u1ea1i b\u1ecf \u00edt v\u1eadt li\u1ec7u h\u01a1n 50\u201375% tr\u00ean m\u1ed7i l\u1ea7n c\u1eaft so v\u1edbi c\u01b0a v\u00f2ng (r\u00e3nh c\u1eaft 0,8\u20131,5 mm). \u0110\u1ed1i v\u1edbi ph\u00f4i ZnSe, \u0111i\u1ec1u n\u00e0y t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi vi\u1ec7c c\u00f3 th\u00eam \u0111\u1ebf t\u1eeb m\u1ed7i kh\u1ed1i \u2014 ti\u1ebft ki\u1ec7m \u0111\u00e1ng k\u1ec3 khi x\u1eed l\u00fd <a href=\"\/vi\/materials\/znse\/cvd-blank-cutting\/\">CVD ZnSe<\/a> v\u1edbi gi\u00e1 $800\u20131.200\/kg.<\/p>\n\n\n\n<p><strong>L\u1ef1c c\u1eaft th\u1ea5p gi\u1ea3m thi\u1ec3u h\u01b0 h\u1ecfng d\u01b0\u1edbi b\u1ec1 m\u1eb7t.<\/strong> Di\u1ec7n t\u00edch ti\u1ebfp x\u00fac d\u00e2y m\u1ecfng t\u1ea1o ra l\u1ef1c \u0111\u1ec9nh th\u1ea5p h\u01a1n so v\u1edbi ph\u01b0\u01a1ng ph\u00e1p l\u01b0\u1ee1i dao, t\u1ea1o ra h\u01b0 h\u1ecfng d\u01b0\u1edbi b\u1ec1 m\u1eb7t n\u00f4ng h\u01a1n tr\u00ean ZnSe m\u1ec1m. H\u01b0 h\u1ecfng n\u00f4ng h\u01a1n c\u00f3 ngh\u0129a l\u00e0 \u00edt v\u1eadt li\u1ec7u ph\u1ea3i lo\u1ea1i b\u1ecf trong qu\u00e1 tr\u00ecnh m\u00e0i v\u00e0 <a href=\"\/vi\/mai-hai-mat-tam-wafer\/\">m\u00e0i hai m\u1eb7t<\/a>, gi\u00fap c\u1ea3i thi\u1ec7n h\u01a1n n\u1eefa vi\u1ec7c s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u v\u00e0 gi\u1ea3m th\u1eddi gian x\u1eed l\u00fd.<\/p>\n\n\n\n<p><strong>M\u00f4i tr\u01b0\u1eddng c\u1eaft \u01b0\u1edbt k\u00edn ki\u1ec3m so\u00e1t b\u1ee5i selen.<\/strong> M\u00e1y c\u01b0a d\u00e2y kim c\u01b0\u01a1ng ho\u1ea1t \u0111\u1ed9ng trong c\u00e1c bu\u1ed3ng c\u1eaft k\u00edn v\u1edbi d\u00f2ng ch\u1ea3y ch\u1ea5t l\u00e0m m\u00e1t li\u00ean t\u1ee5c \u2014 c\u1ea5u h\u00ecnh t\u01b0\u01a1ng t\u1ef1 c\u1ea7n thi\u1ebft \u0111\u1ec3 ch\u1ee9a selen. \u0110i\u1ec1u n\u00e0y l\u00e0m cho c\u1eaft d\u00e2y kim c\u01b0\u01a1ng t\u01b0\u01a1ng th\u00edch t\u1ef1 nhi\u00ean v\u1edbi c\u00e1c y\u00eau c\u1ea7u an to\u00e0n c\u1ee7a ZnSe m\u00e0 kh\u00f4ng c\u1ea7n th\u00eam k\u1ef9 thu\u1eadt \u0111\u00e1ng k\u1ec3.<\/p>\n\n\n\n<p><strong>Ch\u1ea5t l\u01b0\u1ee3ng c\u1eaft nh\u1ea5t qu\u00e1n tr\u00ean c\u00e1c l\u00f4 s\u1ea3n xu\u1ea5t.<\/strong> \u0110\u1ed9 c\u0103ng v\u00e0 t\u1ed1c \u0111\u1ed9 d\u00e2y \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t t\u1ea1o ra TTV v\u00e0 \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i t\u1eeb l\u1ea7n c\u1eaft \u0111\u1ea7u ti\u00ean \u0111\u1ebfn l\u1ea7n cu\u1ed1i c\u00f9ng. S\u1ef1 nh\u1ea5t qu\u00e1n n\u00e0y l\u00e0m gi\u1ea3m g\u00e1nh n\u1eb7ng ki\u1ec3m tra v\u00e0 \u0111\u1ea3m b\u1ea3o c\u00e1c <a href=\"\/vi\/lens-grinding-equipment\/\">M\u00e0i<\/a> V\u00e0 <a href=\"\/vi\/may-danh-bong-quang-hoc\/\">\u0111\u00e1nh b\u00f3ng<\/a> quy tr\u00ecnh ti\u1ebfp theo nh\u1eadn \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1ebf trong th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt.<\/p>\n\n\n\n<p>H\u1ec7 th\u1ed1ng c\u1eaft d\u00e2y kim c\u01b0\u01a1ng c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh cho to\u00e0n b\u1ed9 c\u00e1c v\u1eadt li\u1ec7u quang h\u1ecdc h\u1ed3ng ngo\u1ea1i \u2014 germanium, ZnSe, ZnS v\u00e0 k\u00ednh chalcogenide. Li\u00ean h\u1ec7 v\u1edbi nh\u00f3m k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang t\u00f4i v\u1edbi k\u00edch th\u01b0\u1edbc ph\u00f4i ZnSe, \u0111\u1ed9 d\u00e0y \u0111\u1ebf m\u1ee5c ti\u00eau v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t c\u1ee7a b\u1ea1n \u0111\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t thi\u1ebft b\u1ecb c\u1ee5 th\u1ec3 v\u1edbi d\u1eef li\u1ec7u c\u1eaft th\u1eed nghi\u1ec7m.<\/p>","protected":false},"excerpt":{"rendered":"<p>A ZnSe lens cutting machine is precision cutting equipment designed to slice CVD-grown zinc selenide blanks into lens substrates for CO\u2082 laser optics, thermal imaging systems, and FLIR applications. ZnSe is the dominant material for 10.6 \u03bcm CO\u2082 laser focusing lenses and windows because of its broad infrared transmission range (0.5\u201322 \u03bcm) and low absorption [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":4914,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[392],"tags":[855,288,856,854,853],"class_list":["post-4913","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-articles","tag-co2-laser-optics","tag-diamond-wire-saw","tag-lens-cutting","tag-zinc-selenide","tag-znse"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.opticalcutting.com\/vi\/wp-json\/wp\/v2\/posts\/4913","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.opticalcutting.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.opticalcutting.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.opticalcutting.com\/vi\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.opticalcutting.com\/vi\/wp-json\/wp\/v2\/comments?post=4913"}],"version-history":[{"count":0,"href":"https:\/\/www.opticalcutting.com\/vi\/wp-json\/wp\/v2\/posts\/4913\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.opticalcutting.com\/vi\/wp-json\/wp\/v2\/media\/4914"}],"wp:attachment":[{"href":"https:\/\/www.opticalcutting.com\/vi\/wp-json\/wp\/v2\/media?parent=4913"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.opticalcutting.com\/vi\/wp-json\/wp\/v2\/categories?post=4913"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.opticalcutting.com\/vi\/wp-json\/wp\/v2\/tags?post=4913"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}