{"id":4464,"date":"2025-03-28T11:52:56","date_gmt":"2025-03-28T11:52:56","guid":{"rendered":"https:\/\/www.keylinktech.com\/?p=4464"},"modified":"2025-07-11T03:12:27","modified_gmt":"2025-07-11T03:12:27","slug":"isotropic-vs-anisotropic","status":"publish","type":"post","link":"https:\/\/www.keylinktech.com\/vi\/plasma-surface-technology\/process\/plasma-etching\/isotropic-vs-anisotropic\/","title":{"rendered":"Kh\u1eafc \u0111\u1eb3ng h\u01b0\u1edbng so v\u1edbi kh\u1eafc d\u1ecb h\u01b0\u1edbng: Nh\u1eefng \u0111i\u1ec1u b\u1ea1n c\u1ea7n bi\u1ebft"},"content":{"rendered":"<p class=\"wp-block-paragraph\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa kh\u1eafc \u0111\u1eb3ng h\u01b0\u1edbng v\u00e0 kh\u1eafc d\u1ecb h\u01b0\u1edbng n\u1eb1m \u1edf c\u00e1ch lo\u1ea1i b\u1ecf v\u1eadt li\u1ec7u\u2014kh\u1eafc \u0111\u1eb3ng h\u01b0\u1edbng lo\u1ea1i b\u1ecf v\u1eadt li\u1ec7u \u0111\u1ed3ng \u0111\u1ec1u theo m\u1ecdi h\u01b0\u1edbng, trong khi kh\u1eafc d\u1ecb h\u01b0\u1edbng lo\u1ea1i b\u1ecf v\u1eadt li\u1ec7u theo c\u00e1ch c\u00f3 ki\u1ec3m so\u00e1t v\u00e0 c\u00f3 \u0111\u1ecbnh h\u01b0\u1edbng.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tuy nhi\u00ean, c\u1ea3 hai \u0111\u1ec1u \u0111\u00f3ng vai tr\u00f2 thi\u1ebft y\u1ebfu trong qu\u00e1 tr\u00ecnh kh\u1eafc vi m\u00f4, cho ph\u00e9p t\u1ea1o m\u1eabu ch\u00ednh x\u00e1c cho c\u00e1c thi\u1ebft b\u1ecb b\u00e1n d\u1eabn v\u00e0 MEMS.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u01b0\u1edbng d\u1eabn n\u00e0y gi\u1ea3i th\u00edch v\u00e0 tr\u1ea3 l\u1eddi m\u1ed9t c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p: <strong><em>Kh\u1eafc plasma l\u00e0 \u0111\u1eb3ng h\u01b0\u1edbng hay d\u1ecb h\u01b0\u1edbng?<\/em><\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"439\" src=\"https:\/\/www.keylinktech.com\/wp-content\/uploads\/2025\/03\/image-8-1024x439.jpeg\" alt=\"\" class=\"wp-image-4465\" srcset=\"https:\/\/www.keylinktech.com\/wp-content\/uploads\/2025\/03\/image-8-1024x439.jpeg 1024w, https:\/\/www.keylinktech.com\/wp-content\/uploads\/2025\/03\/image-8-300x129.jpeg 300w, https:\/\/www.keylinktech.com\/wp-content\/uploads\/2025\/03\/image-8-768x329.jpeg 768w, https:\/\/www.keylinktech.com\/wp-content\/uploads\/2025\/03\/image-8-1536x659.jpeg 1536w, https:\/\/www.keylinktech.com\/wp-content\/uploads\/2025\/03\/image-8-18x8.jpeg 18w, https:\/\/www.keylinktech.com\/wp-content\/uploads\/2025\/03\/image-8-600x257.jpeg 600w, https:\/\/www.keylinktech.com\/wp-content\/uploads\/2025\/03\/image-8.jpeg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u00dd ngh\u0129a c\u1ee7a Anisotropic trong kh\u1eafc<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Trong ch\u1ebf t\u1ea1o vi m\u00f4, t\u00ednh d\u1ecb h\u01b0\u1edbng c\u00f3 ngh\u0129a l\u00e0 v\u1eadt li\u1ec7u b\u1ecb lo\u1ea1i b\u1ecf \u1edf c\u00e1c t\u1ed1c \u0111\u1ed9 kh\u00e1c nhau t\u00f9y theo h\u01b0\u1edbng.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u1eafc d\u1ecb h\u01b0\u1edbng l\u00e0 ph\u01b0\u01a1ng ph\u00e1p c\u00f3 t\u00ednh \u0111\u1ecbnh h\u01b0\u1edbng, ngh\u0129a l\u00e0 t\u1ed1c \u0111\u1ed9 kh\u1eafc thay \u0111\u1ed5i d\u1ecdc theo c\u00e1c m\u1eb7t ph\u1eb3ng tinh th\u1ec3 ho\u1eb7c h\u01b0\u1edbng c\u1ee7a ch\u1ea5t n\u1ec1n kh\u00e1c nhau.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn c\u00e1c c\u1ea5u tr\u00fac g\u00f3c c\u1ea1nh, \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng, r\u1ea5t quan tr\u1ecdng trong vi \u0111i\u1ec7n t\u1eed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ng\u01b0\u1ee3c l\u1ea1i, qu\u00e1 tr\u00ecnh kh\u1eafc \u0111\u1eb3ng h\u01b0\u1edbng x\u1ea3y ra v\u1edbi t\u1ed1c \u0111\u1ed9 nh\u01b0 nhau theo m\u1ecdi h\u01b0\u1edbng, t\u1ea1o ra c\u00e1c m\u1eb7t c\u1eaft tr\u00f2n ho\u1eb7c c\u1eaft l\u00f5m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 l\u1ef1a ch\u1ecdn gi\u1eefa kh\u1eafc \u0111\u1eb3ng h\u01b0\u1edbng v\u00e0 d\u1ecb h\u01b0\u1edbng ph\u1ee5 thu\u1ed9c v\u00e0o h\u00ecnh d\u1ea1ng hoa v\u0103n mong mu\u1ed1n, t\u1ef7 l\u1ec7 khung h\u00ecnh v\u00e0 y\u00eau c\u1ea7u \u1ee9ng d\u1ee5ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kh\u1eafc \u0111\u1eb3ng h\u01b0\u1edbng l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u1eafc \u0111\u1eb3ng h\u01b0\u1edbng lo\u1ea1i b\u1ecf v\u1eadt li\u1ec7u v\u1edbi t\u1ed1c \u0111\u1ed9 b\u1eb1ng nhau theo m\u1ecdi h\u01b0\u1edbng, t\u1ea1o ra c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m cong ho\u1eb7c c\u1eaft l\u00f5m. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi kh\u00f4ng y\u00eau c\u1ea7u c\u00e1c th\u00e0nh b\u00ean th\u1eb3ng \u0111\u1ee9ng ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Qu\u00e1 tr\u00ecnh kh\u1eafc \u0111\u1eb3ng h\u01b0\u1edbng di\u1ec5n ra nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ch\u1ea5t kh\u1eafc h\u00f3a h\u1ecdc h\u00f2a tan v\u1eadt li\u1ec7u \u0111\u1ed3ng \u0111\u1ec1u, d\u1eabn \u0111\u1ebfn qu\u00e1 tr\u00ecnh kh\u1eafc ngang b\u00ean d\u01b0\u1edbi l\u1edbp che ph\u1ee7.<\/li>\n\n\n\n<li>Ph\u01b0\u01a1ng ph\u00e1p kh\u1eafc \u0111\u1eb3ng h\u01b0\u1edbng d\u1ef1a tr\u00ean plasma d\u1ef1a v\u00e0o c\u00e1c kh\u00ed ph\u1ea3n \u1ee9ng lo\u1ea1i b\u1ecf v\u1eadt li\u1ec7u \u0111\u1ec1u tr\u00ean b\u1ec1 m\u1eb7t.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng ph\u1ed5 bi\u1ebfn c\u1ee7a kh\u1eafc \u0111\u1eb3ng h\u01b0\u1edbng<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ph\u00e1t h\u00e0nh c\u00e1c thi\u1ebft b\u1ecb MEMS b\u1eb1ng c\u00e1ch c\u1eaft gi\u1ea3m c\u00e1c l\u1edbp hy sinh.<\/li>\n\n\n\n<li>L\u00e0m s\u1ea1ch v\u00e0 l\u00e0m ph\u1eb3ng b\u1ec1 m\u1eb7t tr\u01b0\u1edbc khi \u0111\u1ed5.<\/li>\n\n\n\n<li>T\u1ea1o c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m tr\u00f2n trong thi\u1ebft b\u1ecb vi l\u01b0u.<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 ph\u01b0\u01a1ng ph\u00e1p kh\u1eafc \u0111\u1eb3ng h\u01b0\u1edbng c\u00f3 hi\u1ec7u qu\u1ea3 trong nhi\u1ec1u \u1ee9ng d\u1ee5ng, nh\u01b0ng n\u00f3 l\u1ea1i kh\u00f4ng l\u00fd t\u01b0\u1edfng \u0111\u1ec3 ch\u1ebf t\u1ea1o c\u00e1c c\u1ea5u tr\u00fac c\u00f3 t\u1ef7 l\u1ec7 khung h\u00ecnh cao do thi\u1ebfu t\u00ednh \u0111\u1ecbnh h\u01b0\u1edbng.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/www.keylinktech.com\/wp-content\/uploads\/2025\/03\/image-9-1024x682.jpeg\" alt=\"\" class=\"wp-image-4466\" srcset=\"https:\/\/www.keylinktech.com\/wp-content\/uploads\/2025\/03\/image-9-1024x682.jpeg 1024w, https:\/\/www.keylinktech.com\/wp-content\/uploads\/2025\/03\/image-9-300x200.jpeg 300w, https:\/\/www.keylinktech.com\/wp-content\/uploads\/2025\/03\/image-9-768x512.jpeg 768w, https:\/\/www.keylinktech.com\/wp-content\/uploads\/2025\/03\/image-9-1536x1023.jpeg 1536w, https:\/\/www.keylinktech.com\/wp-content\/uploads\/2025\/03\/image-9-18x12.jpeg 18w, https:\/\/www.keylinktech.com\/wp-content\/uploads\/2025\/03\/image-9-600x400.jpeg 600w, https:\/\/www.keylinktech.com\/wp-content\/uploads\/2025\/03\/image-9.jpeg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Kh\u1eafc d\u1ecb h\u01b0\u1edbng l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u1eafc d\u1ecb h\u01b0\u1edbng lo\u1ea1i b\u1ecf v\u1eadt li\u1ec7u theo m\u1ed9t h\u01b0\u1edbng c\u1ee5 th\u1ec3, th\u01b0\u1eddng l\u00e0 theo chi\u1ec1u d\u1ecdc, \u0111\u1ec3 t\u1ea1o ra c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng v\u1edbi m\u1ee9c kh\u1eafc ngang t\u1ed1i thi\u1ec3u.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed9 ch\u00ednh x\u00e1c n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c quy tr\u00ecnh kh\u1eafc vi ch\u1ebf t\u1ea1o trong ch\u1ea5t b\u00e1n d\u1eabn, MEMS v\u00e0 c\u00f4ng ngh\u1ec7 nano.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c lo\u1ea1i kh\u1eafc d\u1ecb h\u01b0\u1edbng<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Kh\u1eafc kh\u00f4 d\u1ecb h\u01b0\u1edbng<\/strong><\/td><td><strong>Kh\u1eafc \u01b0\u1edbt d\u1ecb h\u01b0\u1edbng<\/strong><\/td><\/tr><tr><td>S\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p kh\u1eafc plasma ho\u1eb7c kh\u1eafc ion ph\u1ea3n \u1ee9ng (RIE) \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 kh\u1eafc theo chi\u1ec1u d\u1ecdc \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd.<\/td><td>D\u1ef1a v\u00e0o c\u00e1c m\u1eb7t ph\u1eb3ng tinh th\u1ec3 c\u1ee7a v\u1eadt li\u1ec7u, ch\u1eb3ng h\u1ea1n nh\u01b0 trong qu\u00e1 tr\u00ecnh kh\u1eafc \u01b0\u1edbt silicon b\u1eb1ng kali hydroxit (KOH).<\/td><\/tr><tr><td>S\u1ef1 b\u1eafn ph\u00e1 ion ch\u1ec9 \u0111\u1ea1o qu\u00e1 tr\u00ecnh kh\u1eafc, h\u1ea1n ch\u1ebf vi\u1ec7c lo\u1ea1i b\u1ecf v\u1eadt li\u1ec7u theo chi\u1ec1u ngang.<\/td><td>T\u1ea1o ra c\u00e1c v\u00e1ch nghi\u00eang d\u1ef1a tr\u00ean c\u1ea5u tr\u00fac nguy\u00ean t\u1eed c\u1ee7a v\u1eadt li\u1ec7u.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng ph\u1ed5 bi\u1ebfn c\u1ee7a kh\u1eafc d\u1ecb h\u01b0\u1edbng<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u1ea3n xu\u1ea5t ch\u1ea5t b\u00e1n d\u1eabn \u0111\u1ec3 t\u1ea1o ra b\u00f3ng b\u00e1n d\u1eabn v\u00e0 d\u00e2y k\u1ebft n\u1ed1i.<\/li>\n\n\n\n<li>C\u00e1c thi\u1ebft b\u1ecb MEMS y\u00eau c\u1ea7u r\u00e3nh v\u00e0 khoang c\u00f3 t\u1ef7 l\u1ec7 khung h\u00ecnh cao.<\/li>\n\n\n\n<li>Linh ki\u1ec7n quang h\u1ecdc vi m\u00f4 c\u00f3 h\u00ecnh d\u1ea1ng ch\u00ednh x\u00e1c.<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t h\u01b0\u1edbng kh\u1eafc l\u00e0m cho c\u00e1c k\u1ef9 thu\u1eadt d\u1ecb h\u01b0\u1edbng tr\u1edf n\u00ean c\u1ea7n thi\u1ebft cho qu\u00e1 tr\u00ecnh ch\u1ebf t\u1ea1o vi m\u00f4 ti\u00ean ti\u1ebfn.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kh\u1eafc d\u1ecb h\u01b0\u1edbng so v\u1edbi kh\u1eafc \u0111\u1eb3ng h\u01b0\u1edbng: S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>T\u00ednh n\u0103ng<\/strong><\/td><td><strong>Kh\u1eafc \u0111\u1eb3ng h\u01b0\u1edbng<\/strong><\/td><td><strong>Kh\u1eafc d\u1ecb h\u01b0\u1edbng<\/strong><\/td><\/tr><tr><td>H\u01b0\u1edbng kh\u1eafc<\/td><td>\u0110\u1ed3ng nh\u1ea5t theo m\u1ecdi h\u01b0\u1edbng<\/td><td>Kh\u1eafc c\u00f3 ki\u1ec3m so\u00e1t, \u0111\u1ecbnh h\u01b0\u1edbng<\/td><\/tr><tr><td>H\u1ed3 s\u01a1 th\u00e0nh b\u00ean<\/td><td>Tr\u00f2n ho\u1eb7c c\u1eaft ng\u1eafn<\/td><td>C\u00e1c c\u1ea1nh s\u1eafc n\u00e9t, \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng<\/td><\/tr><tr><td>Qu\u00e1 tr\u00ecnh kh\u1eafc<\/td><td>D\u1ef1a tr\u00ean h\u00f3a ch\u1ea5t, gi\u1edbi h\u1ea1n khu\u1ebfch t\u00e1n<\/td><td>Kh\u1eafc plasma ho\u1eb7c kh\u1eafc tinh th\u1ec3<\/td><\/tr><tr><td>\u1ee8ng d\u1ee5ng<\/td><td>L\u00e0m s\u1ea1ch, c\u1eaft, l\u00e0m m\u1ecbn<\/td><td>Ch\u1ebf t\u1ea1o vi m\u00f4 c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa kh\u1eafc \u0111\u1eb3ng h\u01b0\u1edbng v\u00e0 d\u1ecb h\u01b0\u1edbng ph\u1ee5 thu\u1ed9c v\u00e0o h\u00ecnh d\u1ea1ng, \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a \u0111\u1eb7c \u0111i\u1ec3m c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kh\u1eafc plasma l\u00e0 \u0111\u1eb3ng h\u01b0\u1edbng hay d\u1ecb h\u01b0\u1edbng?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.keylinktech.com\/vi\/plasma-surface-technology\/process\/plasma-etching\/how-does-plasma-etching-work\/\">Kh\u1eafc plasma<\/a> c\u00f3 th\u1ec3 l\u00e0 \u0111\u1eb3ng h\u01b0\u1edbng ho\u1eb7c d\u1ecb h\u01b0\u1edbng, t\u00f9y thu\u1ed9c v\u00e0o k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Kh\u1eafc Plasma \u0111\u1eb3ng h\u01b0\u1edbng<\/strong>: S\u1eed d\u1ee5ng c\u00e1c kh\u00ed c\u00f3 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc (v\u00ed d\u1ee5, SF\u2086 \u0111\u1ed1i v\u1edbi silicon) \u0111\u1ec3 lo\u1ea1i b\u1ecf v\u1eadt li\u1ec7u \u0111\u1ed3ng \u0111\u1ec1u.<br><\/li>\n\n\n\n<li><strong>Kh\u1eafc Plasma d\u1ecb h\u01b0\u1edbng<\/strong>:S\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p kh\u1eafc ion ph\u1ea3n \u1ee9ng (RIE), h\u01b0\u1edbng s\u1ef1 b\u1eafn ph\u00e1 ion \u0111\u1ec3 kh\u1eafc theo chi\u1ec1u d\u1ecdc v\u1edbi s\u1ef1 lo\u1ea1i b\u1ecf theo chi\u1ec1u ngang t\u1ed1i thi\u1ec3u.<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ea7u h\u1ebft c\u00e1c quy tr\u00ecnh b\u00e1n d\u1eabn \u0111\u1ec1u y\u00eau c\u1ea7u kh\u1eafc d\u1ecb h\u01b0\u1edbng \u0111\u1ec3 t\u1ea1o ra c\u00e1c c\u1ea5u tr\u00fac ch\u00ednh x\u00e1c, c\u00f3 t\u1ef7 l\u1ec7 khung h\u00ecnh cao. Tuy nhi\u00ean, kh\u1eafc plasma \u0111\u1eb3ng h\u01b0\u1edbng h\u1eefu \u00edch cho c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 lo\u1ea1i b\u1ecf c\u00e1c l\u1edbp hy sinh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">K\u1ebft lu\u1eadn: Kh\u1eafc \u0111\u1eb3ng h\u01b0\u1edbng so v\u1edbi kh\u1eafc d\u1ecb h\u01b0\u1edbng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa ph\u01b0\u01a1ng ph\u00e1p kh\u1eafc \u0111\u1eb3ng h\u01b0\u1edbng v\u00e0 d\u1ecb h\u01b0\u1edbng l\u00e0 h\u01b0\u1edbng lo\u1ea1i b\u1ecf v\u1eadt li\u1ec7u.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u1eafc \u0111\u1eb3ng h\u01b0\u1edbng lo\u1ea1i b\u1ecf v\u1eadt li\u1ec7u \u0111\u1ed3ng \u0111\u1ec1u theo m\u1ecdi h\u01b0\u1edbng, t\u1ea1o ra c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m tr\u00f2n ho\u1eb7c c\u1eaft l\u00f5m, trong khi kh\u1eafc d\u1ecb h\u01b0\u1edbng c\u00f3 t\u00ednh \u0111\u1ecbnh h\u01b0\u1edbng cao, t\u1ea1o ra c\u00e1c c\u1ea5u tr\u00fac \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng, c\u1ea7n thi\u1ebft cho ch\u1ebf t\u1ea1o ch\u1ea5t b\u00e1n d\u1eabn v\u00e0 MEMS.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.keylinktech.com\/vi\/plasma-surface-treatment-systems\/comparison\/plasma-etching-vs-chemical-etching\/\">Kh\u1eafc plasma<\/a> c\u00f3 th\u1ec3 l\u00e0 \u0111\u1eb3ng h\u01b0\u1edbng ho\u1eb7c d\u1ecb h\u01b0\u1edbng, t\u00f9y thu\u1ed9c v\u00e0o ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c k\u1ef9 thu\u1eadt nh\u01b0 kh\u1eafc \u01b0\u1edbt d\u1ecb h\u01b0\u1edbng gi\u00fap c\u1ea3i ti\u1ebfn h\u01a1n n\u1eefa kh\u1ea3 n\u0103ng ch\u1ebf t\u1ea1o vi m\u00f4, mang l\u1ea1i kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c qu\u00e1 tr\u00ecnh lo\u1ea1i b\u1ecf v\u1eadt li\u1ec7u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eb1ng c\u00e1ch l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p kh\u1eafc ph\u00f9 h\u1ee3p, c\u00e1c k\u1ef9 s\u01b0 c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 v\u01b0\u1ee3t tr\u1ed9i trong l\u0129nh v\u1ef1c vi \u0111i\u1ec7n t\u1eed, MEMS v\u00e0 c\u00f4ng ngh\u1ec7 nano.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>The difference between isotropic and anisotropic etching lies in how material is removed\u2014isotropic etching removes material uniformly in all directions, while anisotropic etching removes material in a controlled, directional manner.&nbsp; However, both play essential roles in etching microfabrication, enabling precise patterning for semiconductor and MEMS devices.&nbsp; This guide explains and answers a common question: Is [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":4467,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[92],"tags":[],"class_list":["post-4464","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-plasma-etching"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Isotropic vs Anisotropic Etching: Complete Guide<\/title>\n<meta name=\"description\" content=\"Isotropic vs anisotropic etching: What&#039;s the difference? KeyLink reveals how each method shapes microfabrication. Click to find out more!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.keylinktech.com\/vi\/plasma-surface-technology\/process\/plasma-etching\/isotropic-vs-anisotropic\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Isotropic vs Anisotropic Etching: Complete Guide\" \/>\n<meta property=\"og:description\" content=\"Isotropic vs anisotropic etching: What&#039;s the difference? KeyLink reveals how each method shapes microfabrication. 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