{"id":5025,"date":"2026-07-14T17:48:09","date_gmt":"2026-07-14T09:48:09","guid":{"rendered":"https:\/\/www.opticalcutting.com\/?p=5025"},"modified":"2026-07-14T17:48:12","modified_gmt":"2026-07-14T09:48:12","slug":"do-nham-be-mat-thau-kinh-germanium-ra-5nm","status":"publish","type":"post","link":"https:\/\/www.opticalcutting.com\/vi\/do-nham-be-mat-thau-kinh-germanium-ra-5nm\/","title":{"rendered":"\u0110\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t th\u1ea5u k\u00ednh Germanium: Ra 5nm c\u00f3 ngh\u0129a l\u00e0 g\u00ec v\u00e0 l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c n\u00f3"},"content":{"rendered":"<p class=\"wp-block-paragraph\">M\u1ed9t th\u1ea5u k\u00ednh germanium v\u1edbi \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t Ra 50nm s\u1ebd v\u01b0\u1ee3t qua ki\u1ec3m tra \u0111\u1ea7u v\u00e0o. N\u00f3 c\u0169ng s\u1ebd t\u00e1n x\u1ea1 kho\u1ea3ng 0,3\u20130,5% b\u1ee9c x\u1ea1 10 \u03bcm t\u1edbi t\u1ea1i m\u1ed7i b\u1ec1 m\u1eb7t \u2014 \u0111\u1ee7 \u0111\u1ec3 gi\u1ea3m \u0111\u1ed9 nh\u1ea1y c\u1ee7a h\u1ec7 th\u1ed1ng \u1ea3nh nhi\u1ec7t m\u1ed9t bi\u00ean \u0111\u1ed9 c\u00f3 th\u1ec3 \u0111o \u0111\u01b0\u1ee3c v\u00e0, trong c\u00e1c \u1ee9ng d\u1ee5ng laser c\u00f4ng su\u1ea5t cao, \u0111\u1ec3 t\u1ea1o ra c\u00e1c \u0111i\u1ec3m n\u00f3ng h\u1ea5p th\u1ee5 c\u1ee5c b\u1ed9 l\u00e0m suy gi\u1ea3m th\u1ea5u k\u00ednh theo th\u1eddi gian. M\u1ed9t th\u1ea5u k\u00ednh ho\u00e0n thi\u1ec7n \u0111\u1ebfn Ra 5nm t\u00e1n x\u1ea1 d\u01b0\u1edbi 0,01% \u1edf c\u00f9ng b\u01b0\u1edbc s\u00f3ng. S\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u1ec1 \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t c\u1ee7a th\u1ea5u k\u00ednh germanium t\u1ed3n t\u1ea1i, v\u00e0 t\u1ea1i sao vi\u1ec7c \u0111\u1ea1t \u0111\u01b0\u1ee3c Ra 5nm m\u1ed9t c\u00e1ch nh\u1ea5t qu\u00e1n trong s\u1ea3n xu\u1ea5t \u0111\u00f2i h\u1ecfi s\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 m\u1ecdi giai \u0111o\u1ea1n c\u1ee7a quy tr\u00ecnh s\u1ea3n xu\u1ea5t, kh\u00f4ng ch\u1ec9 b\u01b0\u1edbc \u0111\u00e1nh b\u00f3ng cu\u1ed1i c\u00f9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u01b0\u1edbng d\u1eabn n\u00e0y bao g\u1ed3m \u00fd ngh\u0129a c\u1ee7a Ra 5nm v\u1ec1 m\u1eb7t v\u1eadt l\u00fd, l\u00fd do t\u1ea1i sao n\u00f3 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi quang h\u1ecdc IR, c\u00e1ch \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t ph\u00e1t tri\u1ec3n t\u1eeb v\u1ebft c\u1eaft d\u00e2y c\u01b0a \u0111\u1ebfn th\u1ea5u k\u00ednh ho\u00e0n thi\u1ec7n, v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 quy tr\u00ecnh n\u00e0o th\u00fac \u0111\u1ea9y k\u1ebft qu\u1ea3 \u1edf m\u1ed7i giai \u0111o\u1ea1n.<\/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\/07\/polished-germanium-infrared-lenses-1024x683.jpg\" alt=\"Vimfun Glass Cutting Equipment\" class=\"wp-image-5026\" 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\/07\/polished-germanium-infrared-lenses-1024x683.jpg 1024w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/07\/polished-germanium-infrared-lenses-300x200.jpg 300w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/07\/polished-germanium-infrared-lenses-768x512.jpg 768w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/07\/polished-germanium-infrared-lenses-18x12.jpg 18w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/07\/polished-germanium-infrared-lenses-600x400.jpg 600w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/07\/polished-germanium-infrared-lenses.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\">T\u1ea1i sao \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t th\u1ea5u k\u00ednh germanium l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi quang h\u1ecdc IR<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Quang h\u1ecdc \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y th\u01b0\u1eddng c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t trong ph\u1ea1m vi Ra 10\u201330nm v\u00ec b\u01b0\u1edbc s\u00f3ng c\u1ee7a \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y (0,4\u20130,7 \u03bcm) l\u1edbn so v\u1edbi h\u1ea7u h\u1ebft c\u00e1c b\u1ea5t th\u01b0\u1eddng b\u1ec1 m\u1eb7t. \u1ede d\u1ea3i 8\u201314 \u03bcm \u2014 d\u1ea3i h\u1ed3ng ngo\u1ea1i nhi\u1ec7t n\u01a1i germanium l\u00e0 v\u1eadt li\u1ec7u th\u1ea5u k\u00ednh ch\u00ednh \u2014 m\u1ed1i quan h\u1ec7 gi\u1eefa b\u01b0\u1edbc s\u00f3ng v\u00e0 k\u1ebft c\u1ea5u b\u1ec1 m\u1eb7t thay \u0111\u1ed5i. C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m b\u1ec1 m\u1eb7t t\u1eebng l\u00e0 nh\u1eefng phi\u1ec1n to\u00e1i d\u01b0\u1edbi b\u01b0\u1edbc s\u00f3ng \u1edf b\u01b0\u1edbc s\u00f3ng nh\u00ecn th\u1ea5y tr\u1edf th\u00e0nh c\u00e1c y\u1ebfu t\u1ed1 t\u00e1n x\u1ea1 \u0111\u00e1ng k\u1ec3 trong d\u1ea3i LWIR.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1eadt l\u00fd \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 b\u1edfi m\u00f4 h\u00ecnh t\u00e1n x\u1ea1 Rayleigh-Rice. T\u1ed5ng t\u00e1n x\u1ea1 t\u00edch h\u1ee3p (TIS) t\u1eeb m\u1ed9t b\u1ec1 m\u1eb7t ph\u1ee5 thu\u1ed9c v\u00e0o t\u1ef7 l\u1ec7 (4\u03c0\u00b7Ra\/\u03bb)\u00b2. T\u1ea1i \u03bb = 10 \u03bcm v\u00e0 Ra = 5nm, TIS x\u1ea5p x\u1ec9 0,01%. T\u1ea1i Ra = 50nm, TIS t\u0103ng l\u00ean kho\u1ea3ng 0,4% m\u1ed7i b\u1ec1 m\u1eb7t \u2014 nh\u1ecf v\u1ec1 m\u1eb7t tuy\u1ec7t \u0111\u1ed1i, nh\u01b0ng \u0111\u00e1ng k\u1ec3 \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng m\u00e0 bi\u00ean \u0111\u1ed9 t\u00edn hi\u1ec7u tr\u00ean nhi\u1ec5u l\u00e0 y\u1ebfu t\u1ed1 gi\u1edbi h\u1ea1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ngo\u00e0i t\u00e1n x\u1ea1, \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t th\u1ea5u k\u00ednh germanium \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hai th\u00f4ng s\u1ed1 hi\u1ec7u su\u1ea5t kh\u00e1c quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 t\u00edch h\u1ee3p h\u1ec7 th\u1ed1ng:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ng\u01b0\u1ee1ng h\u01b0 h\u1ecfng do laser.<\/strong> \u0110\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng laser CO\u2082 s\u1eed d\u1ee5ng quang h\u1ecdc th\u1ee5 \u0111\u1ed9ng b\u1eb1ng germanium, \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh ch\u00ednh c\u1ee7a ng\u01b0\u1ee1ng h\u01b0 h\u1ecfng. C\u00e1c \u0111\u1ec9nh b\u1ec1 m\u1eb7t t\u1eadp trung c\u01b0\u1eddng \u0111\u1ed9 tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb \u2014 m\u1ed9t b\u1ec1 m\u1eb7t c\u00f3 Ra 50nm c\u00f3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m \u0111\u1ec9nh-\u0111\u00e1y cao kho\u1ea3ng 300\u2013400nm, m\u1ed7i \u0111\u1eb7c \u0111i\u1ec3m ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t \u0111i\u1ec3m t\u0103ng c\u01b0\u1eddng tr\u01b0\u1eddng. Germanium \u0111\u01b0\u1ee3c \u0111\u00e1nh b\u00f3ng t\u1ed1t (Ra &lt; 5nm) \u0111\u1ea1t ng\u01b0\u1ee1ng h\u01b0 h\u1ecfng laser 1\u20132 J\/cm\u00b2 \u0111\u1ed1i v\u1edbi b\u1ee9c x\u1ea1 CO\u2082 xung; c\u00e1c b\u1ec1 m\u1eb7t th\u00f4 h\u01a1n c\u00f3 th\u1ec3 b\u1ecb h\u1ecfng \u1edf m\u1ee9c n\u0103ng l\u01b0\u1ee3ng th\u1ea5p h\u01a1n 30\u201350%.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0110\u1ed9 b\u00e1m d\u00ednh v\u00e0 \u0111\u1ed9 \u0111\u1ed3ng nh\u1ea5t c\u1ee7a l\u1edbp ph\u1ee7 AR.<\/strong> Th\u1ea5u k\u00ednh germanium trong c\u00e1c h\u1ec7 th\u1ed1ng \u1ea3nh nhi\u1ec7t h\u1ea7u nh\u01b0 lu\u00f4n \u0111\u01b0\u1ee3c ph\u1ee7 AR cho d\u1ea3i 8\u201312 \u03bcm. L\u1edbp ph\u1ee7 \u2014 th\u01b0\u1eddng l\u00e0 m\u1ed9t ch\u1ed3ng nhi\u1ec1u l\u1edbp v\u1edbi ZnS\/Ge ho\u1eb7c DLC l\u00e0m l\u1edbp ngo\u00e0i \u2014 tu\u00e2n theo b\u1ec1 m\u1eb7t \u0111\u1ebf. Tr\u00ean b\u1ec1 m\u1eb7t c\u00f3 Ra 50nm, \u0111\u1ed9 d\u00e0y l\u1edbp ph\u1ee7 thay \u0111\u1ed5i theo \u0111\u1ecba h\u00ecnh b\u1ec1 m\u1eb7t, t\u1ea1o ra s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 d\u00e0i \u0111\u01b0\u1eddng \u0111i quang h\u1ecdc tr\u00ean kh\u1ea9u \u0111\u1ed9 r\u00f5. Tr\u00ean b\u1ec1 m\u1eb7t Ra 5nm, hi\u1ec7u \u1ee9ng n\u00e0y kh\u00f4ng \u0111\u00e1ng k\u1ec3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ra 5nm Th\u1ef1c s\u1ef1 c\u00f3 ngh\u0129a l\u00e0 g\u00ec<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ra l\u00e0 gi\u00e1 tr\u1ecb trung b\u00ecnh s\u1ed1 h\u1ecdc c\u1ee7a c\u00e1c \u0111\u1ed9 l\u1ec7ch h\u1ed3 s\u01a1 b\u1ec1 m\u1eb7t tuy\u1ec7t \u0111\u1ed1i so v\u1edbi \u0111\u01b0\u1eddng trung b\u00ecnh, \u0111\u01b0\u1ee3c \u0111o tr\u00ean m\u1ed9t \u0111\u1ed9 d\u00e0i l\u1ea5y m\u1eabu x\u00e1c \u0111\u1ecbnh. \u1ede Ra 5nm, \u0111\u1ed9 l\u1ec7ch trung b\u00ecnh so v\u1edbi \u0111\u01b0\u1eddng trung b\u00ecnh b\u1ec1 m\u1eb7t l\u00e0 n\u0103m nanomet \u2014 kho\u1ea3ng 1\/2000 \u0111\u01b0\u1eddng k\u00ednh s\u1ee3i t\u00f3c ng\u01b0\u1eddi, v\u00e0 kho\u1ea3ng 1\/80 b\u01b0\u1edbc s\u00f3ng c\u1ee7a \u00e1nh s\u00e1ng xanh 400nm m\u00e0 m\u1eaft b\u1ea1n c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ec1 m\u1eb7t th\u1ef1c t\u1ebf, Ra 5nm c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c tr\u00ean germanium v\u1edbi h\u00f3a ch\u1ea5t \u0111\u00e1nh b\u00f3ng \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp. N\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 k\u1ef3 l\u1ea1. \u0110i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 m\u1ed9t quy tr\u00ecnh \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t t\u1eeb ph\u00f4i \u0111\u1ebfn th\u1ea5u k\u00ednh ho\u00e0n thi\u1ec7n, v\u00ec b\u01b0\u1edbc \u0111\u00e1nh b\u00f3ng cu\u1ed1i c\u00f9ng ch\u1ec9 c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf m\u1ed9t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u nh\u1ea5t \u0111\u1ecbnh tr\u01b0\u1edbc khi n\u00f3 t\u1ea1o ra c\u00e1c v\u1ea5n \u0111\u1ec1 m\u1edbi. T\u1ed5n th\u01b0\u01a1ng d\u01b0\u1edbi b\u1ec1 m\u1eb7t c\u00f2n l\u1ea1i t\u1eeb qu\u00e1 tr\u00ecnh c\u1eaft v\u00e0 m\u00e0i quy\u1ebft \u0111\u1ecbnh l\u01b0\u1ee3ng \u0111\u00e1nh b\u00f3ng c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c Ra 5nm \u2014 v\u00e0 vi\u1ec7c \u0111\u00e1nh b\u00f3ng qu\u00e1 m\u1ee9c germanium t\u1ea1o ra k\u1ebft c\u1ea5u \u201cv\u1ecf cam\u201d v\u00e0 s\u1ef1 suy gi\u1ea3m nhi\u1ec7t c\u1ee7a h\u00f3a h\u1ecdc b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 l\u00e0m cho Ra 5nm kh\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c h\u01a1n, ch\u1ee9 kh\u00f4ng ph\u1ea3i d\u1ec5 d\u00e0ng h\u01a1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t th\u1ea5u k\u00ednh germanium ph\u00e1t tri\u1ec3n nh\u01b0 th\u1ebf n\u00e0o trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ea3n xu\u1ea5t th\u1ea5u k\u00ednh germanium tu\u00e2n theo m\u1ed9t tr\u00ecnh t\u1ef1 c\u1ed1 \u0111\u1ecbnh: c\u1eaft ph\u00f4i \u2192 m\u00e0i \u2192 \u0111\u00e1nh b\u00f3ng. M\u1ed7i giai \u0111o\u1ea1n c\u00f3 \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t \u0111\u1ea7u ra \u0111\u1eb7c tr\u01b0ng \u0111\u1eb7t \u0111i\u1ec1u ki\u1ec7n \u0111\u1ea7u v\u00e0o cho giai \u0111o\u1ea1n ti\u1ebfp theo. M\u1ee5c ti\u00eau cu\u1ed1i c\u00f9ng Ra 5nm ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c khi c\u00e1c giai \u0111o\u1ea1n tr\u01b0\u1edbc \u0111\u00f3 cung c\u1ea5p \u0111\u1ea7u ra \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh c\u1ee7a ch\u00fang.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Giai \u0111o\u1ea1n 1: C\u1eaft d\u00e2y c\u01b0a \u2014 B\u1eaft \u0111\u1ea7u \u1edf Ra 0,6\u20131,2 \u03bcm<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ec1 m\u1eb7t sau khi c\u1eaft t\u1eeb d\u00e2y c\u01b0a kim c\u01b0\u01a1ng tr\u00ean germanium c\u00f3 \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t trong ph\u1ea1m vi Ra 0,6\u20131,2 \u03bcm. \u0110\u00e2y l\u00e0 \u0111i\u1ec1u ki\u1ec7n ban \u0111\u1ea7u m\u00e0 t\u1ea5t c\u1ea3 c\u00e1c quy tr\u00ecnh ti\u1ebfp theo ph\u1ea3i l\u00e0m vi\u1ec7c t\u1eeb \u0111\u00f3. <a href=\"https:\/\/www.opticalcutting.com\/vi\/thiet-bi-san-xuat-quang-hoc-hong-ngoai\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u01b0a d\u00e2y kim c\u01b0\u01a1ng<\/a> c\u1eaft b\u1eb1ng h\u00e0nh \u0111\u1ed9ng m\u00e0i m\u00f2n d\u1ecdc theo d\u00e2y c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 0,35\u20130,5 mm, \u0111\u1ec3 l\u1ea1i k\u1ebft c\u1ea5u b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi k\u00edch th\u01b0\u1edbc h\u1ea1t m\u00e0i c\u1ee7a d\u00e2y, t\u1ed1c \u0111\u1ed9 d\u00e2y, t\u1ed1c \u0111\u1ed9 ti\u1ebfn dao v\u00e0 c\u1ea5p n\u01b0\u1edbc l\u00e0m m\u00e1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u1ea1m vi Ra 0,6\u20131,2 \u03bcm n\u00e0y l\u00e0 b\u1ed1i c\u1ea3nh quan tr\u1ecdng cho th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt cu\u1ed1i c\u00f9ng Ra 5nm: n\u00f3 \u0111\u1ea1i di\u1ec7n cho s\u1ef1 gi\u1ea3m \u0111\u1ed9 nh\u00e1m 120\u2013240 l\u1ea7n c\u1ea7n \u0111\u1ea1t \u0111\u01b0\u1ee3c qua c\u00e1c giai \u0111o\u1ea1n m\u00e0i v\u00e0 \u0111\u00e1nh b\u00f3ng. C\u00e1c th\u00f4ng s\u1ed1 c\u1eaft \u0111\u1ea9y \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t v\u1ec1 ph\u00eda cu\u1ed1i cao h\u01a1n c\u1ee7a ph\u1ea1m vi n\u00e0y \u2014 t\u1ed1c \u0111\u1ed9 ti\u1ebfn dao m\u1ea1nh, d\u00e2y m\u00f2n, n\u01b0\u1edbc l\u00e0m m\u00e1t kh\u00f4ng \u0111\u1ee7 \u2014 \u0111\u1ea9y g\u00e1nh n\u1eb7ng m\u00e0i cao h\u01a1n v\u00e0 k\u00e9o d\u00e0i t\u1ed5ng th\u1eddi gian quy tr\u00ecnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ec1 m\u1eb7t c\u1eaft d\u00e2y c\u01b0a c\u0169ng mang theo h\u01b0 h\u1ecfng d\u01b0\u1edbi b\u1ec1 m\u1eb7t: m\u1ed9t l\u1edbp s\u00e2u 10\u201330 \u03bcm n\u01a1i m\u1ea1ng tinh th\u1ec3 b\u1ecb ph\u00e1 v\u1ee1 b\u1edfi l\u1ef1c c\u1eaft. L\u1edbp h\u01b0 h\u1ecfng n\u00e0y ph\u1ea3i \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n trong qu\u00e1 tr\u00ecnh m\u00e0i tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u \u0111\u00e1nh b\u00f3ng. N\u1ebfu kh\u00f4ng, vi\u1ec7c \u0111\u00e1nh b\u00f3ng l\u00e0m m\u1ecfng b\u1ec1 m\u1eb7t nh\u01b0ng \u0111\u1ec3 l\u1ea1i c\u1ea5u tr\u00fac tinh th\u1ec3 b\u1ecb h\u01b0 h\u1ecfng b\u00ean d\u01b0\u1edbi, th\u1ec3 hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng t\u00e1n x\u1ea1 b\u1ea5t th\u01b0\u1eddng v\u00e0 gi\u1ea3m truy\u1ec1n qua trong c\u00e1c th\u1ea5u k\u00ednh ho\u00e0n thi\u1ec7n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Giai \u0111o\u1ea1n 2: M\u00e0i \u2014 Ra 0,6 \u03bcm \u0111\u1ebfn Ra 20\u201350 nm<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e0i ph\u1ee5c v\u1ee5 hai ch\u1ee9c n\u0103ng: n\u00f3 lo\u1ea1i b\u1ecf l\u1edbp h\u01b0 h\u1ecfng d\u01b0\u1edbi b\u1ec1 m\u1eb7t do c\u1eaft, v\u00e0 n\u00f3 t\u1ea1o ra h\u00ecnh h\u1ecdc b\u1ec1 m\u1eb7t quang h\u1ecdc \u2014 b\u00e1n k\u00ednh cong cho th\u1ea5u k\u00ednh, \u0111\u1ed9 ph\u1eb3ng cho c\u1eeda s\u1ed5. \u0110\u1ed1i v\u1edbi germanium, m\u00e0i th\u01b0\u1eddng s\u1eed d\u1ee5ng m\u1ed9t chu\u1ed7i c\u00e1c d\u1ee5ng c\u1ee5 vi\u00ean kim c\u01b0\u01a1ng \u0111\u01b0\u1ee3c g\u1eafn v\u1edbi h\u1ea1t m\u00e0i ng\u00e0y c\u00e0ng m\u1ecbn:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Giai \u0111o\u1ea1n m\u00e0i<\/th><th>K\u00edch th\u01b0\u1edbc h\u1ea1t m\u00e0i<\/th><th>\u0110\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t \u0111\u1ea7u ra<\/th><th>V\u1eadt li\u1ec7u \u0111\u00e3 lo\u1ea1i b\u1ecf<\/th><\/tr><\/thead><tbody><tr><td>M\u00e0i th\u00f4<\/td><td>40\u201360 \u03bcm<\/td><td>Ra 1\u20133 \u03bcm<\/td><td>200\u2013500 \u03bcm m\u1ed7i m\u1eb7t<\/td><\/tr><tr><td>M\u00e0i trung b\u00ecnh<\/td><td>15\u201325 \u03bcm<\/td><td>Ra 0,3\u20130,8 \u03bcm<\/td><td>50\u2013150 \u03bcm m\u1ed7i m\u1eb7t<\/td><\/tr><tr><td>M\u00e0i tinh<\/td><td>6\u20139 \u03bcm<\/td><td>Ra 80\u2013150 nm<\/td><td>20\u201350 \u03bcm m\u1ed7i m\u1eb7t<\/td><\/tr><tr><td>\u0110\u00e1 m\u00e0i ti\u1ec1n \u0111\u00e1nh b\u00f3ng<\/td><td>1\u20133 \u03bcm<\/td><td>Ra 20\u201350 nm<\/td><td>5\u201315 \u03bcm m\u1ed7i m\u1eb7t<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc chuy\u1ec3n t\u1eeb m\u00e0i tinh sang \u0111\u00e1nh b\u00f3ng s\u01a1 b\u1ed9 l\u00e0 n\u01a1i x\u00e1c nh\u1eadn lo\u1ea1i b\u1ecf h\u01b0 h\u1ecfng d\u01b0\u1edbi b\u1ec1 m\u1eb7t. N\u1ebfu Ra sau khi m\u00e0i tinh cho th\u1ea5y c\u00e1c \u0111i\u1ec3m cao c\u1ee5c b\u1ed9 ho\u1eb7c m\u1ed9t m\u1eabu kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t, \u0111i\u1ec1u \u0111\u00f3 cho th\u1ea5y h\u01b0 h\u1ecfng d\u01b0\u1edbi b\u1ec1 m\u1eb7t do c\u1eaft v\u1eabn c\u00f2n v\u00e0 c\u1ea7n lo\u1ea1i b\u1ecf th\u00eam v\u1eadt li\u1ec7u tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u \u0111\u00e1nh b\u00f3ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Our <a href=\"https:\/\/www.opticalcutting.com\/vi\/may-mai-quang-hoc-hong-ngoai-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">m\u00e1y m\u00e0i quang h\u1ecdc h\u1ed3ng ngo\u1ea1i<\/a> x\u1eed l\u00fd c\u00e1c b\u1ed9 ph\u1eadn germanium v\u1edbi t\u1ed1c \u0111\u1ed9 lo\u1ea1i b\u1ecf \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t b\u1eb1ng CNC, \u0111\u01b0\u1ee3c hi\u1ec7u ch\u1ec9nh \u0111\u1eb7c bi\u1ec7t cho s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 gi\u00f2n c\u1ee7a germanium \u2014 m\u00e1y kh\u00f4ng ch\u1ec9 \u0111\u01a1n gi\u1ea3n \u00e1p d\u1ee5ng c\u00e1c tham s\u1ed1 th\u1ee7y tinh cho m\u1ed9t v\u1eadt li\u1ec7u c\u1ee9ng h\u01a1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Giai \u0111o\u1ea1n 3: \u0110\u00e1nh b\u00f3ng \u2014 Ra 50 nm \u0111\u1ebfn Ra &lt; 5 nm<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Germanium \u0111\u00e1nh b\u00f3ng hi\u1ec7u qu\u1ea3 so v\u1edbi c\u00e1c v\u1eadt li\u1ec7u IR c\u1ee9ng h\u01a1n nh\u01b0 sapphire ho\u1eb7c silicon carbide. Th\u00e1ch th\u1ee9c kh\u00f4ng ph\u1ea3i l\u00e0 lo\u1ea1i b\u1ecf v\u1eadt li\u1ec7u \u2014 m\u00e0 l\u00e0 lo\u1ea1i b\u1ecf n\u00f3 \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean to\u00e0n b\u1ed9 kh\u1ea9u \u0111\u1ed9 m\u00e0 kh\u00f4ng g\u00e2y ra c\u00e1c khuy\u1ebft t\u1eadt m\u1edbi. Ba ch\u1ebf \u0111\u1ed9 l\u1ed7i ng\u0103n c\u1ea3n vi\u1ec7c \u0111\u1ea1t \u0111\u01b0\u1ee3c Ra 5nm:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>V\u1ecf cam.<\/strong> M\u1ed9t k\u1ebft c\u1ea5u c\u1ee7a c\u00e1c v\u1ebft s\u01b0ng n\u00f4ng, g\u1ea7n nhau ph\u00e1t tri\u1ec3n khi t\u1ed1c \u0111\u1ed9 lo\u1ea1i b\u1ecf \u0111\u00e1nh b\u00f3ng v\u01b0\u1ee3t qu\u00e1 t\u1ed1c \u0111\u1ed9 th\u01b0 gi\u00e3n b\u1ec1 m\u1eb7t. V\u1ecf cam c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y d\u01b0\u1edbi \u00e1nh s\u00e1ng xi\u00ean v\u00e0 c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n b\u1eb1ng giao thoa k\u1ebf. N\u00f3 th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n khi \u00e1p su\u1ea5t \u0111\u00e1nh b\u00f3ng qu\u00e1 cao so v\u1edbi h\u1ee3p ch\u1ea5t \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, ho\u1eb7c khi nhi\u1ec7t \u0111\u1ed9 \u0111\u00e1 \u0111\u00e1nh b\u00f3ng t\u0103ng tr\u00ean ~35\u00b0C trong qu\u00e1 tr\u00ecnh \u0111\u00e1nh b\u00f3ng k\u00e9o d\u00e0i. M\u1ed9t khi v\u1ecf cam ph\u00e1t tri\u1ec3n, n\u00f3 \u0111\u00f2i h\u1ecfi ph\u1ea3i quay l\u1ea1i m\u00e0i tinh \u0111\u1ec3 lo\u1ea1i b\u1ecf n\u00f3 \u2014 \u0111\u00e1nh b\u00f3ng kh\u00f4ng th\u1ec3 l\u00e0m m\u1ecbn v\u1ecf cam.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nhi\u1ec5m b\u1ea9n nh\u1ef1a th\u00f4ng.<\/strong> \u0110\u00e1 \u0111\u00e1nh b\u00f3ng nh\u1ef1a th\u00f4ng cho gecmani c\u00f3 th\u1ec3 nh\u00fang c\u00e1c h\u1ea1t m\u00e0i t\u1eeb c\u00e1c giai \u0111o\u1ea1n m\u00e0i tr\u01b0\u1edbc \u0111\u00f3 n\u1ebfu quy tr\u00ecnh l\u00e0m s\u1ea1ch gi\u1eefa c\u00e1c giai \u0111o\u1ea1n kh\u00f4ng \u0111\u1ee7. C\u00e1c h\u1ea1t b\u1ecb nh\u00fang t\u1ea1o ra c\u00e1c v\u1ebft x\u01b0\u1edbc s\u00e2u ng\u1eabu nhi\u00ean tr\u00ean b\u1ec1 m\u1eb7t cu\u1ed1i c\u00f9ng kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt Ra 5nm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>H\u01b0 h\u1ecfng d\u01b0\u1edbi b\u1ec1 m\u1eb7t c\u00f2n s\u00f3t l\u1ea1i.<\/strong> N\u1ebfu qu\u00e1 tr\u00ecnh \u0111\u00e1nh b\u00f3ng b\u1eaft \u0111\u1ea7u v\u1edbi h\u01b0 h\u1ecfng d\u01b0\u1edbi b\u1ec1 m\u1eb7t v\u1eabn c\u00f2n t\u1ed3n t\u1ea1i t\u1eeb qu\u00e1 tr\u00ecnh m\u00e0i, qu\u00e1 tr\u00ecnh \u0111\u00e1nh b\u00f3ng s\u1ebd lo\u1ea1i b\u1ecf l\u1edbp b\u1ec1 m\u1eb7t v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0m l\u1ed9 ra m\u1eb7t tr\u1eadn h\u01b0 h\u1ecfng \u2014 xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng c\u00e1c v\u1ebft r\u1ed7 si\u00eau nh\u1ecf v\u00e0 \u0111\u1ecba h\u00ecnh b\u1ec1 m\u1eb7t b\u1ea5t th\u01b0\u1eddng trong ki\u1ec3m tra giao thoa k\u1ebf. Gi\u1ea3i ph\u00e1p lu\u00f4n l\u00e0 quay l\u1ea1i giai \u0111o\u1ea1n m\u00e0i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00f3a h\u1ecdc \u0111\u00e1nh b\u00f3ng cho gecmani th\u01b0\u1eddng s\u1eed d\u1ee5ng huy\u1ec1n ph\u00f9 silica keo 50\u2013100nm ho\u1eb7c oxit ceri 0,1\u20130,3 \u03bcm tr\u00ean \u0111\u00e1 polyurethane ho\u1eb7c nh\u1ef1a th\u00f4ng. \u0110o Ra cu\u1ed1i c\u00f9ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ea1i nhi\u1ec1u v\u1ecb tr\u00ed tr\u00ean kh\u1ea9u \u0111\u1ed9 \u2014 t\u00e2m, b\u00e1n k\u00ednh gi\u1eefa v\u00e0 g\u1ea7n r\u00eca \u2014 v\u00ec dn\/dT c\u1ee7a gecmani l\u00e0m cho t\u1ed1c \u0111\u1ed9 lo\u1ea1i b\u1ecf thay \u0111\u1ed5i theo nhi\u1ec7t \u0111\u1ed9 c\u1ee5c b\u1ed9, c\u00f3 th\u1ec3 t\u1ea1o ra \u0111\u1ed9 d\u1ed1c Ra t\u1eeb t\u00e2m \u0111\u1ebfn r\u00eca tr\u00ean c\u00e1c kh\u1ea9u \u0111\u1ed9 l\u1edbn.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"960\" height=\"763\" src=\"https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/07\/germanium-lens-precision-polishing-process.jpg\" alt=\"Vimfun Glass Cutting Equipment\" class=\"wp-image-5027\" 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\/07\/germanium-lens-precision-polishing-process.jpg 960w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/07\/germanium-lens-precision-polishing-process-300x238.jpg 300w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/07\/germanium-lens-precision-polishing-process-768x610.jpg 768w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/07\/germanium-lens-precision-polishing-process-15x12.jpg 15w, https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/07\/germanium-lens-precision-polishing-process-600x477.jpg 600w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/><figcaption>Loop-type diamond wire saw for graphite,optical glass and so on.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110o \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t th\u1ea5u k\u00ednh Gecmani<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ede Ra 5nm, hai k\u1ef9 thu\u1eadt \u0111o l\u01b0\u1eddng ph\u00f9 h\u1ee3p:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Giao thoa k\u1ebf \u00e1nh s\u00e1ng tr\u1eafng (WLI).<\/strong> \u0110o \u0111\u1ecba h\u00ecnh b\u1ec1 m\u1eb7t tr\u00ean tr\u01b0\u1eddng 0,3\u20135 mm v\u1edbi \u0111\u1ed9 ph\u00e2n gi\u1ea3i d\u1ecdc \u1edf thang \u0111o nm. Cung c\u1ea5p b\u1ea3n \u0111\u1ed3 \u0111\u1ecba h\u00ecnh \u0111\u1ea7y \u0111\u1ee7, Ra, Rq ti\u1ebft l\u1ed9 v\u1ecf cam, v\u1ebft r\u1ed7 v\u00e0 v\u1ebft x\u01b0\u1edbc s\u1ebd kh\u00f4ng xu\u1ea5t hi\u1ec7n trong ph\u00e9p \u0111o Ra m\u1ed9t s\u1ed1. \u01afu ti\u00ean \u0111\u1ec3 gi\u00e1m s\u00e1t s\u1ea3n xu\u1ea5t v\u00ec n\u00f3 kh\u00f4ng ti\u1ebfp x\u00fac v\u00e0 nhanh ch\u00f3ng (\u0111o 5\u201330 gi\u00e2y).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>K\u00ednh hi\u1ec3n vi l\u1ef1c nguy\u00ean t\u1eed (AFM).<\/strong> Cung c\u1ea5p \u0111\u1ed9 ph\u00e2n gi\u1ea3i d\u1ecdc d\u01b0\u1edbi nm tr\u00ean tr\u01b0\u1eddng 1\u201350 \u03bcm. \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o tham chi\u1ebfu v\u00e0 \u0111\u1ec3 l\u00e0m r\u00f5 c\u00e1c k\u1ebft qu\u1ea3 WLI kh\u00f4ng r\u00f5 r\u00e0ng. Qu\u00e1 ch\u1eadm cho s\u1ea3n xu\u1ea5t (5\u201330 ph\u00fat m\u1ed7i \u0111i\u1ec3m \u0111o) nh\u01b0ng x\u00e1c \u0111\u1ecbnh \u0111\u1ec3 x\u00e1c minh tu\u00e2n th\u1ee7 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt tr\u00ean c\u00e1c b\u1ed9 ph\u1eadn quan tr\u1ecdng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110o bi\u00ean d\u1ea1ng ti\u1ebfp x\u00fac (stylus) kh\u00f4ng ph\u00f9 h\u1ee3p \u1edf Ra 5nm tr\u00ean gecmani \u2014 b\u00e1n k\u00ednh \u0111\u1ea7u stylus (th\u01b0\u1eddng l\u00e0 2 \u03bcm) qu\u00e1 l\u1edbn so v\u1edbi c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m b\u1ec1 m\u1eb7t \u0111ang \u0111\u01b0\u1ee3c \u0111o, v\u00e0 ti\u1ebfp x\u00fac stylus tr\u00ean gecmani m\u1ec1m c\u00f3 th\u1ec3 t\u1ef1 t\u1ea1o ra c\u00e1c v\u1ebft x\u01b0\u1edbc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Theo <a href=\"https:\/\/www.iso.org\/standard\/79655.html\" target=\"_blank\" rel=\"noreferrer noopener\">ISO 10110<\/a>, \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t tr\u00ean b\u1ea3n v\u1ebd quang h\u1ecdc n\u00ean ch\u1ec9 \u0111\u1ecbnh b\u0103ng th\u00f4ng \u0111o l\u01b0\u1eddng (gi\u1edbi h\u1ea1n t\u1ea7n s\u1ed1 kh\u00f4ng gian th\u1ea5p v\u00e0 cao) c\u00f9ng v\u1edbi gi\u00e1 tr\u1ecb Ra. M\u1ed9t b\u1ed9 ph\u1eadn quang h\u1ecdc gecmani \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh l\u00e0 \u201cRa \u2264 5nm\u201d m\u00e0 kh\u00f4ng c\u00f3 gi\u1edbi h\u1ea1n b\u0103ng th\u00f4ng l\u00e0 ch\u01b0a \u0111\u1ee7 th\u00f4ng s\u1ed1 \u2014 m\u1ed9t b\u1ec1 m\u1eb7t v\u01b0\u1ee3t qua tr\u00ean m\u1eabu tr\u01b0\u1eddng 0,5 mm c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ea1t tr\u00ean tr\u01b0\u1eddng 5 mm, ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i.<\/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_62007\"  width=\"640\" height=\"360\"  data-origwidth=\"640\" data-origheight=\"360\" src=\"https:\/\/www.youtube.com\/embed\/RKs-0PLUuNY?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\">To\u00e0n b\u1ed9 b\u1ed1i c\u1ea3nh s\u1ea3n xu\u1ea5t<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t th\u1ea5u k\u00ednh gecmani Ra 5nm m\u1ed9t c\u00e1ch nh\u1ea5t qu\u00e1n trong s\u1ea3n xu\u1ea5t ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ecdi giai \u0111o\u1ea1n tr\u01b0\u1edbc \u0111\u00f3 cung c\u1ea5p \u0111\u1ea7u ra c\u1ee7a n\u00f3 trong ph\u1ea1m vi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt. M\u1ed9t v\u1ebft c\u1eaft b\u1eb1ng c\u01b0a d\u00e2y t\u1ea1o ra Ra 1,5 \u03bcm thay v\u00ec 0,8 \u03bcm s\u1ebd th\u00eam m\u1ed9t giai \u0111o\u1ea1n m\u00e0i b\u1ed5 sung. M\u1ed9t chu\u1ed7i m\u00e0i \u0111\u1ec3 l\u1ea1i h\u01b0 h\u1ecfng d\u01b0\u1edbi b\u1ec1 m\u1eb7t \u0111\u00f2i h\u1ecfi c\u00e1c l\u1ea7n m\u00e0i tinh b\u1ed5 sung tr\u01b0\u1edbc khi c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u \u0111\u00e1nh b\u00f3ng. M\u1ed7i sai l\u1ec7ch so v\u1edbi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt s\u1ebd l\u00e0m t\u0103ng t\u1ed5ng th\u1eddi gian v\u00e0 chi ph\u00ed quy tr\u00ecnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Con \u0111\u01b0\u1eddng \u0111\u00e1ng tin c\u1eady nh\u1ea5t \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 Ra 5nm nh\u1ea5t qu\u00e1n l\u00e0 b\u1eaft \u0111\u1ea7u v\u1edbi b\u1ec1 m\u1eb7t c\u1eaft \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t t\u1ed1t t\u1eeb m\u1ed9t m\u00e1y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho v\u1eadt li\u1ec7u quang h\u1ecdc IR, s\u1eed d\u1ee5ng chu\u1ed7i m\u00e0i \u0111\u01b0\u1ee3c ghi l\u1ea1i v\u1edbi \u0111\u1ed9 s\u00e2u lo\u1ea1i b\u1ecf \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c minh v\u00e0 duy tr\u00ec c\u00e1c th\u00f4ng s\u1ed1 \u0111\u00e1nh b\u00f3ng \u2014 n\u1ed3ng \u0111\u1ed9 h\u1ee3p ch\u1ea5t, nhi\u1ec7t \u0111\u1ed9 \u0111\u00e1 \u0111\u00e1nh b\u00f3ng v\u00e0 \u00e1p su\u1ea5t \u2014 trong c\u00e1c c\u1eeda s\u1ed5 \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi chu\u1ed7i thi\u1ebft b\u1ecb ho\u00e0n ch\u1ec9nh bao g\u1ed3m t\u1eeb c\u1eaft \u0111\u1ebfn \u0111\u00e1nh b\u00f3ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t quang h\u1ecdc IR gecmani, xem <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> t\u1ed5ng quan.<\/p>","protected":false},"excerpt":{"rendered":"<p>A germanium lens with Ra 50nm surface roughness will pass an incoming inspection. It will also scatter roughly 0.3\u20130.5% of incident 10 \u03bcm radiation at each surface \u2014 enough to reduce thermal imaging system sensitivity by a measurable margin and, in high-power laser applications, to create localized absorption hotspots that degrade the lens over time. [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":5026,"comment_status":"closed","ping_status":"closed","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":[862],"tags":[868,869,929,927,928],"class_list":["post-5025","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-process-technology","tag-germanium-optics","tag-infrared-lens-manufacturing","tag-ir-polishing","tag-ra-5nm","tag-surface-roughness"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.opticalcutting.com\/vi\/wp-json\/wp\/v2\/posts\/5025","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=5025"}],"version-history":[{"count":1,"href":"https:\/\/www.opticalcutting.com\/vi\/wp-json\/wp\/v2\/posts\/5025\/revisions"}],"predecessor-version":[{"id":5028,"href":"https:\/\/www.opticalcutting.com\/vi\/wp-json\/wp\/v2\/posts\/5025\/revisions\/5028"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.opticalcutting.com\/vi\/wp-json\/wp\/v2\/media\/5026"}],"wp:attachment":[{"href":"https:\/\/www.opticalcutting.com\/vi\/wp-json\/wp\/v2\/media?parent=5025"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.opticalcutting.com\/vi\/wp-json\/wp\/v2\/categories?post=5025"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.opticalcutting.com\/vi\/wp-json\/wp\/v2\/tags?post=5025"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}