{"id":4940,"date":"2026-06-11T18:14:34","date_gmt":"2026-06-11T10:14:34","guid":{"rendered":"https:\/\/www.opticalcutting.com\/?p=4940"},"modified":"2026-06-11T18:14:34","modified_gmt":"2026-06-11T10:14:34","slug":"gia-cong-thau-kinh-germanium-do-tinh-khiet-cao","status":"publish","type":"post","link":"https:\/\/www.opticalcutting.com\/vi\/gia-cong-thau-kinh-germanium-do-tinh-khiet-cao\/","title":{"rendered":"Gia c\u00f4ng th\u1ea5u k\u00ednh Germanium \u0111\u1ed9 tinh khi\u1ebft cao: H\u01b0\u1edbng d\u1eabn s\u1ea3n xu\u1ea5t c\u1ea5p quang 5N\/6N"},"content":{"rendered":"<p>Gia c\u00f4ng th\u1ea5u k\u00ednh germanium c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c quy tr\u00ecnh c\u1eaft, m\u00e0i, \u0111\u00e1nh b\u00f3ng v\u00e0 ph\u1ee7 chuy\u00ean d\u1ee5ng c\u1ea7n thi\u1ebft \u0111\u1ec3 s\u1ea3n xu\u1ea5t th\u1ea5u k\u00ednh quang h\u1ecdc h\u1ed3ng ngo\u1ea1i t\u1eeb tinh th\u1ec3 germanium c\u00f3 \u0111\u1ed9 tinh khi\u1ebft t\u1eeb 99,9991% (5N) tr\u1edf l\u00ean. C\u00e1c k\u1ef9 thu\u1eadt gia c\u00f4ng germanium ti\u00eau chu\u1ea9n ph\u1ea3i \u0111\u01b0\u1ee3c s\u1eeda \u0111\u1ed5i cho v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao v\u00ec s\u1ef1 nhi\u1ec5m b\u1ea9n x\u1ea3y ra \u1edf b\u1ea5t k\u1ef3 giai \u0111o\u1ea1n s\u1ea3n xu\u1ea5t n\u00e0o \u2014 t\u1eeb ch\u1ea5t l\u00e0m m\u00e1t khi c\u1eaft, b\u00f9n \u0111\u00e1nh b\u00f3ng, ho\u1eb7c x\u1eed l\u00fd \u2014 c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c \u0111i\u1ec3m h\u1ea5p th\u1ee5 l\u00e0m suy gi\u1ea3m hi\u1ec7u su\u1ea5t truy\u1ec1n h\u1ed3ng ngo\u1ea1i, \u0111i\u1ec1u l\u00e0m cho germanium c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao tr\u1edf n\u00ean c\u00f3 gi\u00e1 tr\u1ecb ngay t\u1eeb \u0111\u1ea7u.<\/p>\n\n\n\n<p>H\u01b0\u1edbng d\u1eabn n\u00e0y bao g\u1ed3m nh\u1eefng g\u00ec ph\u00e2n bi\u1ec7t gia c\u00f4ng th\u1ea5u k\u00ednh germanium c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao v\u1edbi c\u00f4ng vi\u1ec7c germanium quang h\u1ecdc ti\u00eau chu\u1ea9n, c\u00e1c y\u00eau c\u1ea7u ki\u1ec3m so\u00e1t nhi\u1ec5m b\u1ea9n quan tr\u1ecdng \u1edf m\u1ed7i giai \u0111o\u1ea1n, v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt thi\u1ebft b\u1ecb v\u00e0 quy tr\u00ecnh c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 tinh khi\u1ebft v\u1eadt li\u1ec7u trong to\u00e0n b\u1ed9 chu\u1ed7i s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"679\" height=\"466\" src=\"https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/germanium-ir-optics-manufacturing-process.png\" alt=\"Vimfun Glass Cutting Equipment\" class=\"wp-image-4941\" 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\/germanium-ir-optics-manufacturing-process.png 679w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/germanium-ir-optics-manufacturing-process-300x206.png 300w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/germanium-ir-optics-manufacturing-process-18x12.png 18w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/germanium-ir-optics-manufacturing-process-600x412.png 600w\" sizes=\"(max-width: 679px) 100vw, 679px\" \/><figcaption>Loop-type diamond wire saw for graphite,optical glass and so on.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Germanium c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao \u0111\u1ed9 tinh khi\u1ebft l\u1ea1i quan tr\u1ecdng?<\/h2>\n\n\n\n<p>Germanium c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao (HPGe) cho c\u00e1c \u1ee9ng d\u1ee5ng quang h\u1ecdc l\u00e0 germanium \u0111\u01a1n tinh th\u1ec3 v\u1edbi n\u1ed3ng \u0111\u1ed9 t\u1ea1p ch\u1ea5t d\u01b0\u1edbi 10 ph\u1ea7n tri\u1ec7u (\u2265 99,9991% ho\u1eb7c \u0111\u1ed9 tinh khi\u1ebft 5N). C\u00e1c c\u1ea5p quang h\u1ecdc cao nh\u1ea5t \u0111\u1ea1t \u0111\u1ed9 tinh khi\u1ebft 6N (99,9999%) v\u1edbi n\u1ed3ng \u0111\u1ed9 h\u1ea1t t\u1ea3i r\u00f2ng d\u01b0\u1edbi 10\u00b9\u2070 nguy\u00ean t\u1eed\/cm\u00b3.<\/p>\n\n\n\n<p>Theo <a href=\"https:\/\/www.universitywafer.com\/optical-grade-germanium.html\" target=\"_blank\" rel=\"noreferrer noopener\">UniversityWafer<\/a>, germanium c\u1ea5p quang h\u1ecdc th\u01b0\u1eddng y\u00eau c\u1ea7u \u0111\u1ed9 tinh khi\u1ebft \u2265 5N v\u1edbi m\u1eadt \u0111\u1ed9 l\u1ec7ch th\u1ea5p v\u00e0 c\u1ea5u tr\u00fac \u0111\u01a1n tinh th\u1ec3 \u0111\u1ec3 gi\u1ea3m thi\u1ec3u t\u00e1n x\u1ea1 v\u00e0 h\u1ea5p th\u1ee5 quang h\u1ecdc trong c\u1eeda s\u1ed5 truy\u1ec1n h\u1ed3ng ngo\u1ea1i 2\u201314 \u03bcm.<\/p>\n\n\n\n<p>\u0110\u1ed9 tinh khi\u1ebft \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t quang h\u1ecdc v\u00ec c\u00e1c t\u1ea1p ch\u1ea5t v\u1ebft t\u1ea1o ra c\u00e1c d\u1ea3i h\u1ea5p th\u1ee5 c\u1ee5c b\u1ed9 trong c\u1eeda s\u1ed5 truy\u1ec1n c\u1ee7a germanium:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>C\u1ea5p \u0111\u1ed9 tinh khi\u1ebft<\/th><th>M\u1ee9c \u0111\u1ed9 t\u1ea1p ch\u1ea5t<\/th><th>\u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/th><th>T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn truy\u1ec1n IR<\/th><\/tr><\/thead><tbody><tr><td>4N (99,99%)<\/td><td>&lt; 100 ppm<\/td><td>C\u1eeda s\u1ed5 IR c\u00f4ng nghi\u1ec7p<\/td><td>Ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c cho d\u1ea3i 8\u201312 \u03bcm<\/td><\/tr><tr><td>5N (99,999%)<\/td><td>&lt; 10 ppm<\/td><td>\u1ed0ng k\u00ednh FLIR ch\u00ednh x\u00e1c<\/td><td>T\u1ed1i \u01b0u h\u00f3a cho d\u1ea3i 3\u201312 \u03bcm<\/td><\/tr><tr><td>6N (99,9999%)<\/td><td>&lt; 1 ppm<\/td><td>\u0110\u1ea7u d\u00f2 HPGe, quang h\u1ecdc cao c\u1ea5p<\/td><td>Truy\u1ec1n t\u1ed1i \u0111a, h\u1ea5p th\u1ee5 t\u1ed1i thi\u1ec3u<\/td><\/tr><tr><td>12N (c\u1ea5p \u0111\u1ed9 \u0111\u1ea7u d\u00f2)<\/td><td>&lt; 10\u00b9\u2070 nguy\u00ean t\u1eed\/cm\u00b3<\/td><td>Ph\u1ed5 gamma<\/td><td>\u1ee8ng d\u1ee5ng b\u00e1n d\u1eabn, kh\u00f4ng ph\u1ea3i quang h\u1ecdc<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u1ed1ng k\u00ednh ch\u1ee5p \u1ea3nh nhi\u1ec7t ho\u1ea1t \u0111\u1ed9ng trong d\u1ea3i LWIR 8\u201312 \u03bcm, gecmani 5N cung c\u1ea5p s\u1ef1 c\u00e2n b\u1eb1ng ti\u00eau chu\u1ea9n gi\u1eefa chi ph\u00ed v\u1eadt li\u1ec7u v\u00e0 hi\u1ec7u su\u1ea5t quang h\u1ecdc. C\u00e1c \u1ee9ng d\u1ee5ng cao c\u1ea5p \u2014 h\u1ec7 th\u1ed1ng nh\u1eafm m\u1ee5c ti\u00eau qu\u00e2n s\u1ef1, FLIR tr\u00ean kh\u00f4ng v\u00e0 ch\u1ee5p \u1ea3nh nhi\u1ec7t y t\u1ebf \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao \u2014 y\u00eau c\u1ea7u 6N \u0111\u1ec3 gi\u1ea3m thi\u1ec3u s\u1ef1 h\u1ea5p th\u1ee5 b\u00ean trong l\u00e0m gi\u1ea3m \u0111\u1ed9 nh\u1ea1y c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">X\u1eed l\u00fd \u1ed1ng k\u00ednh Gecmani \u0110\u1ed9 tinh khi\u1ebft cao: Y\u00eau c\u1ea7u theo t\u1eebng giai \u0111o\u1ea1n<\/h2>\n\n\n\n<p>Vi\u1ec7c x\u1eed l\u00fd \u1ed1ng k\u00ednh gecmani \u0111\u1ed9 tinh khi\u1ebft cao tu\u00e2n theo tr\u00ecnh t\u1ef1 c\u01a1 b\u1ea3n gi\u1ed1ng nh\u01b0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t <a href=\"https:\/\/www.opticalcutting.com\/vi\/san-xuat-quang-hoc-germanium\/\" target=\"_blank\" rel=\"noreferrer noopener\">quang h\u1ecdc IR gecmani ti\u00eau chu\u1ea9n<\/a> \u2014 c\u1eaft tr\u1ed1ng, m\u00e0i, \u0111\u00e1nh b\u00f3ng, ph\u1ee7 \u2014 nh\u01b0ng v\u1edbi c\u00e1c y\u00eau c\u1ea7u ki\u1ec3m so\u00e1t \u00f4 nhi\u1ec5m b\u1ed5 sung \u1edf m\u1ecdi giai \u0111o\u1ea1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Giai \u0111o\u1ea1n 1: C\u1eaft tr\u1ed1ng \u2014 C\u1eaft kh\u00f4ng nhi\u1ec5m b\u1ea9n<\/h3>\n\n\n\n<p>Vi\u1ec7c c\u1eaft b\u1eb1ng d\u00e2y kim c\u01b0\u01a1ng ti\u00eau chu\u1ea9n t\u1ea1o ra hai ngu\u1ed3n \u00f4 nhi\u1ec5m: l\u00f5i kim lo\u1ea1i c\u1ee7a d\u00e2y (th\u01b0\u1eddng l\u00e0 th\u00e9p ho\u1eb7c vonfram) v\u00e0 h\u00f3a ch\u1ea5t c\u1ee7a ch\u1ea5t l\u1ecfng c\u1eaft. \u0110\u1ed1i v\u1edbi quy tr\u00ecnh x\u1eed l\u00fd \u1ed1ng k\u00ednh gecmani c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao, c\u1ea3 hai \u0111\u1ec1u ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t.<\/p>\n\n\n\n<p>A <a href=\"https:\/\/www.opticalcutting.com\/vi\/may-cat-kinh-germanium\/\" target=\"_blank\" rel=\"noreferrer noopener\">m\u00e1y c\u1eaft k\u00ednh germanium<\/a> \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh cho c\u00f4ng vi\u1ec7c c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao y\u00eau c\u1ea7u:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>L\u1ef1a ch\u1ecdn d\u00e2y kim c\u01b0\u01a1ng<\/strong>: D\u00e2y kim c\u01b0\u01a1ng \u0111\u01b0\u1ee3c li\u00ean k\u1ebft b\u1eb1ng niken \u0111\u01b0\u1ee3c \u01b0u ti\u00ean h\u01a1n d\u00e2y \u0111\u01b0\u1ee3c li\u00ean k\u1ebft b\u1eb1ng nh\u1ef1a \u0111\u1ec3 gi\u1ea3m thi\u1ec3u s\u1ef1 truy\u1ec1n \u00f4 nhi\u1ec5m h\u1eefu c\u01a1<\/li>\n\n\n\n<li><strong>Ch\u1ea5t l\u1ecfng c\u1eaft<\/strong>: Ch\u1ea5t l\u00e0m m\u00e1t g\u1ed1c n\u01b0\u1edbc si\u00eau tinh khi\u1ebft v\u1edbi \u0111i\u1ec7n tr\u1edf su\u1ea5t &gt; 1 M\u03a9\u00b7cm, \u0111\u01b0\u1ee3c l\u1ecdc \u0111\u1ebfn 0,5 \u03bcm<\/li>\n\n\n\n<li><strong>K\u1eb9p ph\u00f4i<\/strong>: K\u1eb9p PTFE ho\u1eb7c g\u1ed1m \u2014 kh\u00f4ng c\u00f3 b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac b\u1eb1ng \u0111\u1ed3ng, \u0111\u1ed3ng thau ho\u1eb7c nh\u00f4m tr\u1ea7n<\/li>\n\n\n\n<li><strong>L\u00e0m s\u1ea1ch sau khi c\u1eaft<\/strong>: L\u00e0m s\u1ea1ch b\u1eb1ng si\u00eau \u00e2m ngay l\u1eadp t\u1ee9c b\u1eb1ng isopropanol si\u00eau tinh khi\u1ebft, sau \u0111\u00f3 r\u1eeda b\u1eb1ng n\u01b0\u1edbc kh\u1eed ion<\/li>\n<\/ul>\n\n\n\n<p>C\u00e1c <a href=\"https:\/\/www.opticalcutting.com\/vi\/germanium-lens-blank-cutting\/\" target=\"_blank\" rel=\"noreferrer noopener\">germanium lens blank cutting<\/a> quy tr\u00ecnh cho v\u1eadt li\u1ec7u 5N+ n\u00ean nh\u1eafm m\u1ee5c ti\u00eau:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Tham s\u1ed1<\/th><th>Ge ti\u00eau chu\u1ea9n<\/th><th>Ge \u0111\u1ed9 tinh khi\u1ebft cao (5N+)<\/th><\/tr><\/thead><tbody><tr><td>\u0110\u1ed9 tinh khi\u1ebft c\u1ee7a ch\u1ea5t l\u1ecfng c\u1eaft<\/td><td>C\u1ea5p c\u00f4ng nghi\u1ec7p<\/td><td>Si\u00eau tinh khi\u1ebft (&gt; 1 M\u03a9\u00b7cm)<\/td><\/tr><tr><td>L\u00e0m s\u1ea1ch sau c\u1eaft<\/td><td>Tr\u00e1ng ti\u00eau chu\u1ea9n<\/td><td>Si\u00eau \u00e2m + n\u01b0\u1edbc DI ch\u1ea3y tr\u00e0n<\/td><\/tr><tr><td>X\u1eed l\u00fd<\/td><td>G\u0103ng tay nitrile<\/td><td>G\u0103ng tay ph\u00f2ng s\u1ea1ch + kh\u0103n kh\u00f4ng x\u01a1<\/td><\/tr><tr><td>Ki\u1ec3m tra nhi\u1ec5m b\u1ea9n b\u1ec1 m\u1eb7t<\/td><td>Ch\u1ec9 nh\u00ecn b\u1eb1ng m\u1eaft<\/td><td>Khuy\u1ebfn ngh\u1ecb qu\u00e9t b\u1ec1 m\u1eb7t FTIR<\/td><\/tr><tr><td>M\u1ee5c ti\u00eau TTV<\/td><td>&lt; 15 \u03bcm<\/td><td>&lt; 10 \u03bcm (\u00edt v\u1eadt li\u1ec7u m\u00e0i = \u00edt ti\u1ebfp x\u00fac quy tr\u00ecnh)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>TTV ch\u1eb7t h\u01a1n t\u1eeb m\u00e1y c\u01b0a l\u00e0m gi\u1ea3m l\u01b0\u1ee3ng v\u1eadt li\u1ec7u c\u1ea7n lo\u1ea1i b\u1ecf trong qu\u00e1 tr\u00ecnh m\u00e0i, ngh\u0129a l\u00e0 \u00edt th\u1eddi gian ti\u1ebfp x\u00fac v\u1edbi c\u00e1c ngu\u1ed3n g\u00e2y \u00f4 nhi\u1ec5m ti\u1ec1m \u1ea9n trong c\u00e1c quy tr\u00ecnh ti\u1ebfp theo.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"730\" src=\"https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/05\/germanium-lens-before-after-polishing-1024x730.jpg\" alt=\"Vimfun Glass Cutting Equipment\" class=\"wp-image-4874\" 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\/05\/germanium-lens-before-after-polishing-1024x730.jpg 1024w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/05\/germanium-lens-before-after-polishing-300x214.jpg 300w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/05\/germanium-lens-before-after-polishing-768x547.jpg 768w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/05\/germanium-lens-before-after-polishing-18x12.jpg 18w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/05\/germanium-lens-before-after-polishing-600x428.jpg 600w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/05\/germanium-lens-before-after-polishing.jpg 1490w\" 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<h3 class=\"wp-block-heading\">Giai \u0111o\u1ea1n 2: M\u00e0i v\u00e0 \u0110\u00e1nh b\u00f3ng \u2014 Ki\u1ec3m so\u00e1t \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a v\u1eadt li\u1ec7u m\u00e0i<\/h3>\n\n\n\n<p>C\u00e1c c\u00f4ng \u0111o\u1ea1n m\u00e0i v\u00e0 \u0111\u00e1nh b\u00f3ng l\u00e0 nh\u1eefng giai \u0111o\u1ea1n c\u00f3 nguy c\u01a1 nhi\u1ec5m b\u1ea9n cao nh\u1ea5t trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd th\u1ea5u k\u00ednh germanium si\u00eau tinh khi\u1ebft v\u00ec c\u00e1c h\u1ea1t m\u00e0i \u0111\u01b0\u1ee3c \u00e9p v\u00e0o b\u1ec1 m\u1eb7t germanium d\u01b0\u1edbi t\u1ea3i tr\u1ecdng. C\u00e1c ch\u1ea5t nhi\u1ec5m b\u1ea9n kim lo\u1ea1i trong v\u1eadt li\u1ec7u m\u00e0i ho\u1eb7c dung d\u1ecbch m\u00e0i c\u00f3 th\u1ec3 \u0103n s\u00e2u v\u00e0o l\u1edbp d\u01b0\u1edbi b\u1ec1 m\u1eb7t v\u00e0 tr\u1edf th\u00e0nh c\u00e1c \u0111i\u1ec3m h\u1ea5p th\u1ee5 v\u0129nh vi\u1ec5n.<\/p>\n\n\n\n<p>Y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi vi\u1ec7c m\u00e0i germanium si\u00eau tinh khi\u1ebft:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>V\u1eadt li\u1ec7u m\u00e0i<\/strong>: Nh\u00f4m oxit si\u00eau tinh khi\u1ebft (Al\u2082O\u2083) ho\u1eb7c kim c\u01b0\u01a1ng \u2014 tr\u00e1nh silicon carbide (SiC) v\u00ec n\u00f3 g\u00e2y nhi\u1ec5m b\u1ea9n silicon<\/li>\n\n\n\n<li><strong>Chu\u1ea9n b\u1ecb dung d\u1ecbch m\u00e0i<\/strong>: L\u1ecdc qua m\u00e0ng 1 \u03bcm tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng; ch\u1ec9 tr\u1ed9n v\u1edbi n\u01b0\u1edbc kh\u1eed ion<\/li>\n\n\n\n<li><strong>V\u1eadt li\u1ec7u \u0111\u0129a m\u00e0i<\/strong>: Gang c\u1ea5p quang h\u1ecdc ho\u1eb7c g\u1ed1m \u2014 tr\u00e1nh c\u00e1c \u0111\u0129a c\u00f3 ch\u1ee9a \u0111\u1ed3ng ho\u1eb7c thi\u1ebfc<\/li>\n\n\n\n<li><strong>N\u01b0\u1edbc x\u1eed l\u00fd<\/strong>: N\u01b0\u1edbc kh\u1eed ion, \u0111i\u1ec7n tr\u1edf su\u1ea5t &gt; 10 M\u03a9\u00b7cm<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi <a href=\"https:\/\/www.opticalcutting.com\/vi\/germanium-lens-grinding-equipment\/\" target=\"_blank\" rel=\"noreferrer noopener\">thi\u1ebft b\u1ecb m\u00e0i th\u1ea5u k\u00ednh germanium<\/a> x\u1eed l\u00fd v\u1eadt li\u1ec7u si\u00eau tinh khi\u1ebft, c\u00e1c \u0111\u0129a \u0111\u00e1nh b\u00f3ng chuy\u00ean d\u1ee5ng n\u00ean \u0111\u01b0\u1ee3c b\u1ea3o tr\u00ec ri\u00eang cho c\u00f4ng vi\u1ec7c v\u1edbi germanium. Nhi\u1ec5m b\u1ea9n ch\u00e9o t\u1eeb c\u00e1c \u0111\u0129a \u0111\u00e3 t\u1eebng s\u1eed d\u1ee5ng cho k\u1ebdm selenide, silicon ho\u1eb7c th\u1ee7y tinh s\u1ebd \u0111\u01b0a v\u1eadt li\u1ec7u l\u1ea1 v\u00e0o l\u1edbp d\u01b0\u1edbi b\u1ec1 m\u1eb7t c\u1ee7a germanium.<\/p>\n\n\n\n<p>Tr\u00ecnh t\u1ef1 m\u00e0i cho th\u1ea5u k\u00ednh germanium si\u00eau tinh khi\u1ebft:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Step<\/th><th>V\u1eadt li\u1ec7u m\u00e0i<\/th><th>K\u00edch th\u01b0\u1edbc h\u1ea1t<\/th><th>Lo\u1ea1i b\u1ecf v\u1eadt li\u1ec7u<\/th><th>B\u1ec1 m\u1eb7t sau<\/th><\/tr><\/thead><tbody><tr><td>M\u00e0i th\u00f4<\/td><td>Al\u2082O\u2083 tinh khi\u1ebft cao<\/td><td>15 \u03bcm<\/td><td>50\u2013100 \u03bcm\/m\u1eb7t<\/td><td>Ra 0.8\u20131.2 \u03bcm<\/td><\/tr><tr><td>M\u00e0i tinh<\/td><td>Al\u2082O\u2083 tinh khi\u1ebft cao<\/td><td>5 \u03bcm<\/td><td>20\u201330 \u03bcm\/m\u1eb7t<\/td><td>Ra 0.2\u20130.4 \u03bcm<\/td><\/tr><tr><td>\u0110\u00e1nh b\u00f3ng s\u01a1 b\u1ed9<\/td><td>Dung d\u1ecbch kim c\u01b0\u01a1ng<\/td><td>1 \u03bcm<\/td><td>5\u201310 \u03bcm\/m\u1eb7t<\/td><td>Ra 0.05\u20130.10 \u03bcm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Gi\u1eefa m\u1ed7i b\u01b0\u1edbc, c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch b\u1eb1ng s\u00f3ng si\u00eau \u00e2m \u0111\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 mang theo c\u1ee7a h\u1ea1t m\u00e0i t\u1eeb giai \u0111o\u1ea1n h\u1ea1t th\u00f4 tr\u01b0\u1edbc \u0111\u00f3 l\u00e0m k\u1eb9t c\u00e1c h\u1ea1t l\u1edbn h\u01a1n trong qu\u00e1 tr\u00ecnh m\u00e0i tinh h\u01a1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Giai \u0111o\u1ea1n 3: \u0110\u00e1nh b\u00f3ng \u2014 Giai \u0111o\u1ea1n Ch\u1ea5t l\u01b0\u1ee3ng Quan tr\u1ecdng<\/h3>\n\n\n\n<p>\u0110\u00e1nh b\u00f3ng quy\u1ebft \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t cu\u1ed1i c\u00f9ng c\u1ee7a c\u00e1c th\u1ea5u k\u00ednh germanium c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao. C\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt m\u1ee5c ti\u00eau cho c\u00e1c \u1ee9ng d\u1ee5ng cao c\u1ea5p ch\u1eb7t ch\u1ebd h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi quang h\u1ecdc IR ti\u00eau chu\u1ea9n:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/th><th>Quang h\u1ecdc Ge Ti\u00eau chu\u1ea9n<\/th><th>Ge \u0110\u1ed9 tinh khi\u1ebft cao (Cao c\u1ea5p)<\/th><\/tr><\/thead><tbody><tr><td>\u0110\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t Ra<\/td><td>\u2264 2 nm (0,002 \u03bcm)<\/td><td>\u2264 1 nm (0,001 \u03bcm)<\/td><\/tr><tr><td>V\u1ebft x\u01b0\u1edbc-V\u1ebft b\u1ea9n<\/td><td>40-20<\/td><td>20-10 ho\u1eb7c 10-5<\/td><\/tr><tr><td>H\u00ecnh d\u1ea1ng b\u1ec1 m\u1eb7t<\/td><td>&lt; 0,5 fringe<\/td><td>&lt; 0,25 fringe (\u03bb\/8 @ 633nm)<\/td><\/tr><tr><td>Subsurface Damage<\/td><td>&lt; 2 \u03bcm<\/td><td>&lt; 0,5 \u03bcm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt n\u00e0y \u0111\u00f2i h\u1ecfi <a href=\"https:\/\/www.opticalcutting.com\/vi\/germanium-optics-polishing-machine\/\" target=\"_blank\" rel=\"noreferrer noopener\">m\u00e1y \u0111\u00e1nh b\u00f3ng quang h\u1ecdc germanium<\/a> v\u1edbi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Mi\u1ebfng \u0111\u00e1nh b\u00f3ng<\/strong>: Polyurethane t\u1ed5ng h\u1ee3p (lo\u1ea1i Suba) \u0111\u1ec3 \u0111\u00e1nh b\u00f3ng th\u00f4, nh\u1ef1a \u0111\u01b0\u1eddng \u0111\u1ec3 hi\u1ec7u ch\u1ec9nh h\u00ecnh d\u1ea1ng cu\u1ed1i c\u00f9ng<\/li>\n\n\n\n<li><strong>B\u1ed9t \u0111\u00e1nh b\u00f3ng<\/strong>: Silica keo (k\u00edch th\u01b0\u1edbc h\u1ea1t 20\u201350 nm) trong huy\u1ec1n ph\u00f9 si\u00eau tinh khi\u1ebft<\/li>\n\n\n\n<li><strong>Ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9<\/strong>: Nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec7m \u0111\u01b0\u1ee3c theo d\u00f5i v\u00e0 duy tr\u00ec d\u01b0\u1edbi 30\u00b0C \u2014 \u0111\u1ed9 nh\u1ea1y c\u1ea3m v\u1edbi s\u1ef1 t\u0103ng nhi\u1ec7t \u0111\u1ed9t ng\u1ed9t c\u1ee7a germani c\u00f3 ngh\u0129a l\u00e0 nhi\u1ec7t d\u01b0 th\u1eeba trong qu\u00e1 tr\u00ecnh \u0111\u00e1nh b\u00f3ng c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i h\u00f3a h\u1ecdc b\u1ec1 m\u1eb7t<\/li>\n\n\n\n<li><strong>M\u00f4i tr\u01b0\u1eddng<\/strong>: Ph\u00f2ng s\u1ea1ch C\u1ea5p 1000 (ISO 6) ho\u1eb7c t\u1ed1t h\u01a1n cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1nh b\u00f3ng cu\u1ed1i c\u00f9ng<\/li>\n<\/ul>\n\n\n\n<p>Ch\u1ebf \u0111\u1ed9 l\u1ed7i ph\u1ed5 bi\u1ebfn nh\u1ea5t trong x\u1eed l\u00fd th\u1ea5u k\u00ednh germani \u0111\u1ed9 tinh khi\u1ebft cao l\u00e0 k\u1ebft c\u1ea5u b\u1ec1 m\u1eb7t \u201cv\u1ecf cam\u201d do t\u1ed1c \u0111\u1ed9 \u0111\u00e1nh b\u00f3ng ph\u1ee5 thu\u1ed9c v\u00e0o tinh th\u1ec3 h\u1ecdc. C\u1ea5u tr\u00fac tinh th\u1ec3 l\u1eadp ph\u01b0\u01a1ng kim c\u01b0\u01a1ng c\u1ee7a germani c\u00f3 ngh\u0129a l\u00e0 c\u00e1c h\u01b0\u1edbng tinh th\u1ec3 kh\u00e1c nhau \u0111\u00e1nh b\u00f3ng v\u1edbi t\u1ed1c \u0111\u1ed9 kh\u00e1c nhau, t\u1ea1o ra c\u00e1c g\u1ee3n s\u00f3ng b\u1ec1 m\u1eb7t \u0111\u1ecbnh k\u1ef3 c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y trong th\u1eed nghi\u1ec7m giao thoa ngay c\u1ea3 khi c\u00e1c ph\u00e9p \u0111o Ra c\u00f3 v\u1ebb ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c. \u0110i\u1ec1u ki\u1ec7n \u0111\u1ec7m ph\u00f9 h\u1ee3p v\u00e0 \u0111\u00e1nh b\u00f3ng t\u1ed1c \u0111\u1ed9 th\u1ea5p \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t s\u1ebd gi\u1ea3m thi\u1ec3u hi\u1ec7u \u1ee9ng n\u00e0y.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Giai \u0111o\u1ea1n 4: Ph\u1ee7 cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u1ed9 tinh khi\u1ebft cao<\/h3>\n\n\n\n<p>L\u1edbp ph\u1ee7 ch\u1ed1ng ph\u1ea3n x\u1ea1 cho th\u1ea5u k\u00ednh germani \u0111\u1ed9 tinh khi\u1ebft cao ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi kh\u1ea3 n\u0103ng truy\u1ec1n d\u1eabn t\u0103ng c\u01b0\u1eddng c\u1ee7a v\u1eadt li\u1ec7u. S\u1eed d\u1ee5ng l\u1edbp ph\u1ee7 ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho germani c\u1ea5p c\u00f4ng nghi\u1ec7p tr\u00ean th\u1ea5u k\u00ednh 5N s\u1ebd l\u00e3ng ph\u00ed ti\u1ec1m n\u0103ng c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n\n\n\n<p>C\u1ea5u h\u00ecnh l\u1edbp ph\u1ee7 \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t cho germani \u0111\u1ed9 tinh khi\u1ebft cao:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u1ee8ng d\u1ee5ng<\/th><th>Coating<\/th><th>D\u1ea3i<\/th><th>Truy\u1ec1n qua<\/th><\/tr><\/thead><tbody><tr><td>FLIR \/ H\u00ecnh \u1ea3nh nhi\u1ec7t<\/td><td>AR \u0111a l\u1edbp<\/td><td>8\u201312 \u03bcm<\/td><td>&gt; 97%<\/td><\/tr><tr><td>IR b\u0103ng th\u00f4ng r\u1ed9ng<\/td><td>AR \u0111a l\u1edbp<\/td><td>3\u201312 \u03bcm<\/td><td>&gt; 95%<\/td><\/tr><tr><td>M\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t<\/td><td>DLC + AR<\/td><td>7\u201314 \u03bcm<\/td><td>&gt; 93%<\/td><\/tr><tr><td>Dual-Band<\/td><td>L\u1edbp ph\u1ee7 \u0111a l\u1edbp chuy\u00ean d\u1ee5ng<\/td><td>3\u20135 + 8\u201312 \u03bcm<\/td><td>&gt; 92% m\u1ed7i b\u0103ng t\u1ea7n<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Vi\u1ec7c chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t tr\u01b0\u1edbc khi ph\u1ee7 l\u00e0 r\u1ea5t quan tr\u1ecdng: b\u1ea5t k\u1ef3 d\u01b0 l\u01b0\u1ee3ng h\u1eefu c\u01a1 n\u00e0o tr\u00ean b\u1ec1 m\u1eb7t germanium s\u1ebd b\u1ecb ni\u00eam phong d\u01b0\u1edbi l\u1edbp ph\u1ee7 v\u00e0 t\u1ea1o ra c\u00e1c \u0111i\u1ec3m h\u1ea5p th\u1ee5 v\u0129nh vi\u1ec5n. \u1ed0ng k\u00ednh germanium c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao n\u00ean \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch b\u1eb1ng plasma ngay tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o bu\u1ed3ng ph\u1ee7.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">X\u1eed l\u00fd \u1ed1ng k\u00ednh Germanium \u0111\u1ed9 tinh khi\u1ebft cao: C\u00e1c v\u1ea5n \u0111\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng ph\u1ed5 bi\u1ebfn<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">V\u1ea5n \u0111\u1ec1 1: \u0110\u1ed9 truy\u1ec1n d\u01b0\u1edbi m\u1ee9c quy \u0111\u1ecbnh<\/h3>\n\n\n\n<p><strong>Ki\u1ec3m tra \u0111\u1ea7u ti\u00ean<\/strong>: X\u00e1c minh ch\u1ee9ng nh\u1eadn \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a tinh th\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c c\u00f3 kh\u1edbp v\u1edbi c\u1ea5p \u0111\u1ed9 quy \u0111\u1ecbnh hay kh\u00f4ng. Nhi\u1ec1u ph\u00f4i germanium \u0111\u01b0\u1ee3c b\u00e1n d\u01b0\u1edbi d\u1ea1ng \u201cc\u1ea5p quang h\u1ecdc\u201d m\u00e0 kh\u00f4ng ch\u1ec9 \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 tinh khi\u1ebft b\u1eb1ng s\u1ed1 \u2014 y\u00eau c\u1ea7u ph\u00e2n t\u00edch t\u1ea1p ch\u1ea5t th\u1ef1c t\u1ebf (b\u00e1o c\u00e1o th\u1eed nghi\u1ec7m GDMS ho\u1eb7c ICP-MS).<\/p>\n\n\n\n<p><strong>Nguy\u00ean nh\u00e2n quy tr\u00ecnh<\/strong>: \u00d4 nhi\u1ec5m d\u01b0\u1edbi b\u1ec1 m\u1eb7t t\u1eeb b\u00f9n m\u00e0i ho\u1eb7c \u0111\u00e1nh b\u00f3ng. Ch\u1ea1y qu\u00e9t truy\u1ec1n FTIR v\u00e0 so s\u00e1nh v\u1edbi m\u1eabu \u0111\u1ed1i ch\u1ee9ng ch\u01b0a qua x\u1eed l\u00fd t\u1eeb c\u00f9ng m\u1ed9t kh\u1ed1i tinh th\u1ec3. B\u1ea5t k\u1ef3 d\u1ea3i h\u1ea5p th\u1ee5 m\u1edbi n\u00e0o \u0111\u1ec1u cho th\u1ea5y s\u1ef1 \u00f4 nhi\u1ec5m do quy tr\u00ecnh g\u00e2y ra.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">V\u1ea5n \u0111\u1ec1 2: V\u1ec7t m\u1edd ho\u1eb7c t\u00e1n x\u1ea1 tr\u00ean b\u1ec1 m\u1eb7t \u0111\u00e1nh b\u00f3ng<\/h3>\n\n\n\n<p><strong>Nguy\u00ean nh\u00e2n c\u00f3 kh\u1ea3 n\u0103ng nh\u1ea5t<\/strong>: V\u1ec7 sinh kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7 gi\u1eefa c\u00e1c b\u01b0\u1edbc m\u00e0i. C\u00e1c h\u1ea1t m\u00e0i th\u00f4 c\u00f2n s\u00f3t l\u1ea1i mang v\u00e0o qu\u00e1 tr\u00ecnh \u0111\u00e1nh b\u00f3ng m\u1ecbn t\u1ea1o ra c\u00e1c v\u1ebft x\u01b0\u1edbc si\u00eau nh\u1ecf l\u00e0m t\u00e1n x\u1ea1 b\u1ee9c x\u1ea1 h\u1ed3ng ngo\u1ea1i. Th\u1ef1c hi\u1ec7n quy tr\u00ecnh l\u00e0m s\u1ea1ch b\u1eb1ng s\u00f3ng si\u00eau \u00e2m gi\u1eefa m\u1ed7i l\u1ea7n chuy\u1ec3n \u0111\u1ed5i v\u1eadt li\u1ec7u m\u00e0i.<\/p>\n\n\n\n<p><strong>Nguy\u00ean nh\u00e2n v\u1eadt li\u1ec7u<\/strong>: Khuy\u1ebft t\u1eadt tinh th\u1ec3 (l\u1ec7ch, song tinh ho\u1eb7c ranh gi\u1edbi h\u1ea1t) trong v\u1eadt li\u1ec7u ban \u0111\u1ea7u. Nh\u1eefng \u0111i\u1ec1u n\u00e0y kh\u00f4ng th\u1ec3 lo\u1ea1i b\u1ecf b\u1eb1ng quy tr\u00ecnh x\u1eed l\u00fd \u2014 lo\u1ea1i b\u1ecf ph\u00f4i v\u00e0 y\u00eau c\u1ea7u nh\u00e0 s\u1ea3n xu\u1ea5t tinh th\u1ec3 thay th\u1ebf.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">V\u1ea5n \u0111\u1ec1 3: L\u1ed7i b\u00e1m d\u00ednh l\u1edbp ph\u1ee7<\/h3>\n\n\n\n<p><strong>Nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5<\/strong>: \u00d4 nhi\u1ec5m b\u1ec1 m\u1eb7t ho\u1eb7c h\u01b0 h\u1ecfng d\u01b0\u1edbi b\u1ec1 m\u1eb7t. Theo <a href=\"https:\/\/www.goodfellow.com\/usa\/material\/metals\/germanium\" target=\"_blank\" rel=\"noreferrer noopener\">Goodfellow Materials<\/a>, gecmani \u1ed5n \u0111\u1ecbnh trong kh\u00f4ng kh\u00ed v\u00e0 n\u01b0\u1edbc nh\u01b0ng c\u00f3 th\u1ec3 h\u00ecnh th\u00e0nh oxit b\u1ec1 m\u1eb7t c\u1ea3n tr\u1edf s\u1ef1 b\u00e1m d\u00ednh c\u1ee7a l\u1edbp ph\u1ee7. L\u00e0m s\u1ea1ch plasma trong v\u00f2ng 30 ph\u00fat sau khi l\u1eafng \u0111\u1ecdng l\u1edbp ph\u1ee7 s\u1ebd lo\u1ea1i b\u1ecf v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb cho quy tr\u00ecnh x\u1eed l\u00fd th\u1ea5u k\u00ednh gecmani \u0111\u1ed9 tinh khi\u1ebft cao<\/h2>\n\n\n\n<p>C\u00e1c y\u00eau c\u1ea7u v\u1ec1 thi\u1ebft b\u1ecb cho quy tr\u00ecnh x\u1eed l\u00fd th\u1ea5u k\u00ednh gecmani \u0111\u1ed9 tinh khi\u1ebft cao v\u1ec1 c\u01a1 b\u1ea3n kh\u00f4ng kh\u00e1c bi\u1ec7t so v\u1edbi c\u00f4ng vi\u1ec7c gecmani ti\u00eau chu\u1ea9n \u2014 c\u00f9ng lo\u1ea1i m\u00e1y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. S\u1ef1 kh\u00e1c bi\u1ec7t n\u1eb1m \u1edf <strong>k\u1ef7 lu\u1eadt quy tr\u00ecnh<\/strong>: d\u1ee5ng c\u1ee5 chuy\u00ean d\u1ee5ng, v\u1eadt t\u01b0 ti\u00eau hao \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t v\u00e0 quy tr\u00ecnh l\u00e0m s\u1ea1ch gi\u1eefa m\u1ed7i b\u01b0\u1edbc.<\/p>\n\n\n\n<p>C\u00e1c c\u00e2n nh\u1eafc ch\u00ednh v\u1ec1 thi\u1ebft b\u1ecb:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>M\u00e1y c\u1eaft<\/strong>: Ph\u1ea3i h\u1ed7 tr\u1ee3 dung d\u1ecbch l\u00e0m m\u00e1t si\u00eau tinh khi\u1ebft \u2014 l\u1ecdc v\u00f2ng k\u00edn v\u1edbi gi\u00e1m s\u00e1t h\u00f3a h\u1ecdc<\/li>\n\n\n\n<li><strong>M\u00e0i\/\u0110\u00e1nh b\u00f3ng<\/strong>: T\u1ea5m chuy\u00ean d\u1ee5ng ch\u1ec9 d\u00e0nh cho germanium \u2014 kh\u00f4ng s\u1eed d\u1ee5ng ch\u00e9o v\u1eadt li\u1ec7u<\/li>\n\n\n\n<li><strong>Polishing<\/strong>: T\u1ea5m ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 v\u1edbi v\u1ecf t\u01b0\u01a1ng th\u00edch ph\u00f2ng s\u1ea1ch<\/li>\n\n\n\n<li><strong>\u0110o l\u01b0\u1eddng<\/strong>: M\u00e1y quang ph\u1ed5 FTIR \u0111\u1ec3 x\u00e1c minh truy\u1ec1n qua \u1edf b\u01b0\u1edbc s\u00f3ng ho\u1ea1t \u0111\u1ed9ng<\/li>\n<\/ol>\n\n\n\n<p>Chu\u1ed7i thi\u1ebft b\u1ecb ho\u00e0n ch\u1ec9nh t\u1eeb <a href=\"https:\/\/www.opticalcutting.com\/vi\/thiet-bi-san-xuat-quang-hoc-hong-ngoai\/\" target=\"_blank\" rel=\"noreferrer noopener\">thi\u1ebft b\u1ecb s\u1ea3n xu\u1ea5t quang h\u1ecdc h\u1ed3ng ngo\u1ea1i<\/a> n\u1ec1n t\u1ea3ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh cho c\u00f4ng vi\u1ec7c \u0111\u1ed9 tinh khi\u1ebft cao v\u1edbi c\u00e1c n\u00e2ng c\u1ea5p v\u1eadt t\u01b0 ti\u00eau hao ph\u00f9 h\u1ee3p v\u00e0 quy tr\u00ecnh ki\u1ec3m so\u00e1t \u00f4 nhi\u1ec5m.<\/p>\n\n\n\n<p><strong>Gia c\u00f4ng germanium \u0111\u1ed9 tinh khi\u1ebft cao v\u00e0 c\u1ea7n thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a b\u1ea1n?<\/strong> <a href=\"https:\/\/www.opticalcutting.com\/vi\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">Li\u00ean h\u1ec7 v\u1edbi \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang t\u00f4i \u2192<\/a> \u0111\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t thi\u1ebft b\u1ecb v\u1edbi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u1eadt t\u01b0 ti\u00eau hao ph\u00f9 h\u1ee3p v\u1edbi germanium c\u1ea5p quang 5N\/6N.<\/p>","protected":false},"excerpt":{"rendered":"<p>High purity germanium lens processing refers to the specialized cutting, grinding, polishing, and coating procedures required to manufacture infrared optical lenses from germanium crystal with purity levels of 99.999% (5N) or higher. Standard germanium processing techniques must be modified for high purity material because contamination introduced during any manufacturing stage \u2014 from cutting coolant, polishing [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":4941,"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":[866,867],"class_list":["post-4940","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-articles","tag-high-purity-germanium","tag-optical-grade-lens"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.opticalcutting.com\/vi\/wp-json\/wp\/v2\/posts\/4940","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=4940"}],"version-history":[{"count":0,"href":"https:\/\/www.opticalcutting.com\/vi\/wp-json\/wp\/v2\/posts\/4940\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.opticalcutting.com\/vi\/wp-json\/wp\/v2\/media\/4941"}],"wp:attachment":[{"href":"https:\/\/www.opticalcutting.com\/vi\/wp-json\/wp\/v2\/media?parent=4940"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.opticalcutting.com\/vi\/wp-json\/wp\/v2\/categories?post=4940"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.opticalcutting.com\/vi\/wp-json\/wp\/v2\/tags?post=4940"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}