{"id":2555,"date":"2026-06-16T01:21:44","date_gmt":"2026-06-16T01:21:44","guid":{"rendered":"https:\/\/www.zmsh-semitech.com\/?p=2555"},"modified":"2026-06-16T01:21:50","modified_gmt":"2026-06-16T01:21:50","slug":"what-are-wafer-ttv-bow-and-warp","status":"publish","type":"post","link":"https:\/\/www.zmsh-semitech.com\/vi\/what-are-wafer-ttv-bow-and-warp\/","title":{"rendered":"TTV, \u0111\u1ed9 cong (Bow) v\u00e0 \u0111\u1ed9 v\u1eb9o (Warp) c\u1ee7a t\u1ea5m wafer l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn th\u1ef1c h\u00e0nh v\u1ec1 \u0111\u1ed9 ph\u1eb3ng c\u1ee7a t\u1ea5m wafer"},"content":{"rendered":"<p>Trong <a href=\"https:\/\/www.zmsh-semitech.com\/vi\/products\/\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#cf2e2e\" class=\"has-inline-color\">s\u1ea3n xu\u1ea5t ch\u1ea5t b\u00e1n d\u1eabn<\/mark><\/a>, ch\u1ea5t l\u01b0\u1ee3ng t\u1ea5m wafer kh\u00f4ng ch\u1ec9 ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a v\u1eadt li\u1ec7u. Ngay c\u1ea3 m\u1ed9t t\u1ea5m wafer silicon, sapphire, th\u1ea1ch anh ho\u1eb7c cacbua silic \u0111\u01b0\u1ee3c nu\u00f4i c\u1ea5y ho\u00e0n h\u1ea3o c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t n\u1ebfu h\u00ecnh d\u1ea1ng c\u1ee7a n\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u0111\u00fang c\u00e1ch.<\/p>\n\n\n\n<p>Trong s\u1ed1 c\u00e1c th\u00f4ng s\u1ed1 h\u00ecnh h\u1ecdc quan tr\u1ecdng nh\u1ea5t c\u1ee7a t\u1ea5m wafer c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn TTV (\u0110\u1ed9 bi\u1ebfn thi\u00ean t\u1ed5ng th\u1ec3 v\u1ec1 \u0111\u1ed9 d\u00e0y), \u0111\u1ed9 cong (Bow) v\u00e0 \u0111\u1ed9 v\u1eb7n (Warp). C\u00e1c th\u00f4ng s\u1ed1 n\u00e0y gi\u00fap c\u00e1c k\u1ef9 s\u01b0 \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u v\u1ec1 \u0111\u1ed9 d\u00e0y v\u00e0 \u0111\u1ed9 ph\u1eb3ng c\u1ee7a t\u1ea5m wafer tr\u01b0\u1edbc khi t\u1ea5m wafer n\u00e0y \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o c\u00e1c c\u00f4ng \u0111o\u1ea1n quan tr\u1ecdng nh\u01b0 quang kh\u1eafc, h\u00e0n, m\u00e0i m\u1ecfng v\u00e0 \u0111\u00f3ng g\u00f3i.<\/p>\n\n\n\n<p>B\u00e0i vi\u1ebft n\u00e0y gi\u1ea3i th\u00edch \u00fd ngh\u0129a c\u1ee7a c\u00e1c th\u00f4ng s\u1ed1 n\u00e0y, t\u1ea1i sao ch\u00fang l\u1ea1i quan tr\u1ecdng v\u00e0 c\u00e1ch th\u1ee9c \u0111o l\u01b0\u1eddng ch\u00fang.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/06\/What-Are-Wafer-TTV-Bow-and-Warp-1024x683.png\" alt=\"\" class=\"wp-image-2556\" srcset=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/06\/What-Are-Wafer-TTV-Bow-and-Warp-1024x683.png 1024w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/06\/What-Are-Wafer-TTV-Bow-and-Warp-300x200.png 300w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/06\/What-Are-Wafer-TTV-Bow-and-Warp-768x512.png 768w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/06\/What-Are-Wafer-TTV-Bow-and-Warp-18x12.png 18w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/06\/What-Are-Wafer-TTV-Bow-and-Warp-600x400.png 600w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/06\/What-Are-Wafer-TTV-Bow-and-Warp.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao \u0111\u1ed9 ph\u1eb3ng c\u1ee7a t\u1ea5m wafer l\u1ea1i quan tr\u1ecdng<\/h2>\n\n\n\n<p>C\u00e1c thi\u1ebft b\u1ecb b\u00e1n d\u1eabn hi\u1ec7n \u0111\u1ea1i \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t v\u1edbi \u0111\u1ed9 dung sai c\u1ef1c k\u1ef3 ch\u1eb7t ch\u1ebd. Ch\u1ec9 m\u1ed9t s\u1ef1 ch\u00eanh l\u1ec7ch nh\u1ecf v\u1ec1 \u0111\u1ed9 d\u00e0y ho\u1eb7c \u0111\u1ed9 ph\u1eb3ng c\u1ee7a t\u1ea5m wafer c\u0169ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ti\u00eau \u0111i\u1ec3m trong quang kh\u1eafc<\/li>\n\n\n\n<li>Ch\u1ea5t l\u01b0\u1ee3ng h\u00e0n wafer<\/li>\n\n\n\n<li>\u0110\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a qu\u00e1 tr\u00ecnh l\u1eafng \u0111\u1ecdng m\u00e0ng m\u1ecfng<\/li>\n\n\n\n<li>Hi\u1ec7u su\u1ea5t c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p CMP (\u0110\u00e1nh b\u00f3ng h\u00f3a h\u1ecdc-c\u01a1 h\u1ecdc)<\/li>\n\n\n\n<li>N\u0103ng su\u1ea5t c\u1eaft h\u1ea1t l\u1ef1u v\u00e0 \u0111\u00f3ng g\u00f3i<\/li>\n<\/ul>\n\n\n\n<p>Khi \u0111\u01b0\u1eddng k\u00ednh t\u1ea5m wafer ng\u00e0y c\u00e0ng l\u1edbn v\u00e0 c\u1ea5u tr\u00fac thi\u1ebft b\u1ecb ng\u00e0y c\u00e0ng ph\u1ee9c t\u1ea1p, vi\u1ec7c ki\u1ec3m so\u00e1t h\u00ecnh h\u1ecdc c\u1ee7a t\u1ea5m wafer tr\u1edf n\u00ean ng\u00e0y c\u00e0ng quan tr\u1ecdng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">TTV (\u0110\u1ed9 bi\u1ebfn thi\u00ean \u0111\u1ed9 d\u00e0y t\u1ed5ng th\u1ec3) l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p>TTV (vi\u1ebft t\u1eaft c\u1ee7a Total Thickness Variation) l\u00e0 ch\u1ec9 s\u1ed1 \u0111o l\u01b0\u1eddng m\u1ee9c \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a \u0111\u1ed9 d\u00e0y t\u1ea5m wafer tr\u00ean to\u00e0n b\u1ed9 b\u1ec1 m\u1eb7t c\u1ee7a n\u00f3.<\/p>\n\n\n\n<p>\u0110\u00f3 l\u00e0 s\u1ef1 ch\u00eanh l\u1ec7ch gi\u1eefa \u0111\u1ed9 d\u00e0y t\u1ed1i \u0111a v\u00e0 \u0111\u1ed9 d\u00e0y t\u1ed1i thi\u1ec3u \u0111\u01b0\u1ee3c \u0111o tr\u00ean t\u1ea5m wafer.<\/p>\n\n\n\n<p><strong>C\u00f4ng th\u1ee9c:<\/strong><\/p>\n\n\n\n<p>TTV = \u0110\u1ed9 d\u00e0y t\u1ed1i \u0111a \u2212 \u0110\u1ed9 d\u00e0y t\u1ed1i thi\u1ec3u<\/p>\n\n\n\n<p>V\u00ed d\u1ee5, n\u1ebfu \u0111i\u1ec3m d\u00e0y nh\u1ea5t tr\u00ean m\u1ed9t t\u1ea5m wafer l\u00e0 726 \u03bcm v\u00e0 \u0111i\u1ec3m m\u1ecfng nh\u1ea5t l\u00e0 721 \u03bcm, th\u00ec TTV l\u00e0 5 \u03bcm.<\/p>\n\n\n\n<p>Gi\u00e1 tr\u1ecb TTV c\u00e0ng th\u1ea5p th\u01b0\u1eddng cho th\u1ea5y \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u v\u1ec1 \u0111\u1ed9 d\u00e0y c\u00e0ng cao, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi qu\u00e1 tr\u00ecnh ch\u1ebf t\u1ea1o b\u00e1n d\u1eabn ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u1ea1i sao TTV l\u1ea1i quan tr\u1ecdng<\/h3>\n\n\n\n<p>Ch\u1ec9 s\u1ed1 TTV qu\u00e1 cao c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00e1c l\u1ed7i l\u1ea5y n\u00e9t trong qu\u00e1 tr\u00ecnh quang kh\u1eafc<\/li>\n\n\n\n<li>K\u1ebft qu\u1ea3 \u0111\u00e1nh b\u00f3ng kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u<\/li>\n\n\n\n<li>Hi\u1ec7u su\u1ea5t li\u00ean k\u1ebft wafer k\u00e9m<\/li>\n\n\n\n<li>S\u1ef1 bi\u1ebfn \u0111\u1ed9ng c\u1ee7a quy tr\u00ecnh gia t\u0103ng<\/li>\n<\/ul>\n\n\n\n<p>C\u00e1c t\u1ea5m b\u00e1n d\u1eabn cao c\u1ea5p th\u01b0\u1eddng y\u00eau c\u1ea7u gi\u00e1 tr\u1ecb TTV ch\u1ec9 v\u00e0i micron ho\u1eb7c \u00edt h\u01a1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Wafer Bow l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p>\u0110\u1ed9 cong (Bow) m\u00f4 t\u1ea3 \u0111\u1ed9 cong t\u1ed5ng th\u1ec3 c\u1ee7a m\u1ed9t t\u1ea5m wafer so v\u1edbi m\u1ed9t m\u1eb7t ph\u1eb3ng tham chi\u1ebfu.<\/p>\n\n\n\n<p>H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng \u0111\u1eb7t m\u1ed9t t\u1ea5m wafer l\u00ean m\u1ed9t b\u1ec1 m\u1eb7t ph\u1eb3ng. N\u1ebfu t\u00e2m c\u1ee7a t\u1ea5m wafer nh\u00f4 l\u00ean cao h\u01a1n ho\u1eb7c l\u00f5m xu\u1ed1ng th\u1ea5p h\u01a1n m\u1eb7t ph\u1eb3ng tham chi\u1ebfu, th\u00ec t\u1ea5m wafer \u0111\u00f3 s\u1ebd b\u1ecb cong.<\/p>\n\n\n\n<p>Hi\u1ec7n t\u01b0\u1ee3ng u\u1ed1n cong th\u01b0\u1eddng do c\u00e1c \u1ee9ng su\u1ea5t b\u00ean trong sinh ra trong qu\u00e1 tr\u00ecnh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u1ef1 ph\u00e1t tri\u1ec3n l\u1edbp ph\u1ee7<\/li>\n\n\n\n<li>Qu\u00e1 tr\u00ecnh l\u1eafng \u0111\u1ecdng m\u00e0ng m\u1ecfng<\/li>\n\n\n\n<li>X\u1eed l\u00fd nhi\u1ec7t<\/li>\n\n\n\n<li>Qu\u00e1 tr\u00ecnh m\u00e0i m\u1ecfng t\u1ea5m wafer<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ed9 cong d\u01b0\u01a1ng c\u00f3 ngh\u0129a l\u00e0 t\u00e2m c\u1ee7a t\u1ea5m wafer cao h\u01a1n m\u1eb7t ph\u1eb3ng tham chi\u1ebfu, trong khi \u0111\u1ed9 cong \u00e2m c\u00f3 ngh\u0129a l\u00e0 t\u00e2m c\u1ee7a t\u1ea5m wafer th\u1ea5p h\u01a1n m\u1eb7t ph\u1eb3ng tham chi\u1ebfu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u1ea1i sao vi\u1ec7c c\u00fai ch\u00e0o l\u1ea1i quan tr\u1ecdng<\/h3>\n\n\n\n<p>Cung c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>X\u1eed l\u00fd t\u1ea5m wafer<\/li>\n\n\n\n<li>\u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a vi\u1ec7c c\u0103n ch\u1ec9nh<\/li>\n\n\n\n<li>C\u00e1c quy tr\u00ecnh li\u00ean k\u1ebft<\/li>\n\n\n\n<li>\u0110\u00e1nh gi\u00e1 \u1ee9ng su\u1ea5t m\u00e0ng m\u1ecfng<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c t\u1ea5m wafer \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o v\u00e0 c\u00e1c ch\u1ea5t n\u1ec1n ti\u00ean ti\u1ebfn, \u0111\u1ed9 cong th\u01b0\u1eddng \u0111\u01b0\u1ee3c theo d\u00f5i trong su\u1ed1t qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u201cWafer Warp\u201d l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p>Warp \u0111o \u0111\u1ed9 bi\u1ebfn d\u1ea1ng t\u1ed5ng th\u1ec3 c\u1ee7a m\u1ed9t t\u1ea5m wafer t\u1ef1 \u0111\u1ee9ng.<\/p>\n\n\n\n<p>Kh\u00e1c v\u1edbi \u0111\u1ed9 cong (bow) \u2013 v\u1ed1n ch\u1ee7 y\u1ebfu m\u00f4 t\u1ea3 \u0111\u1ed9 cong \u0111\u1ed3ng nh\u1ea5t \u2013 \u0111\u1ed9 u\u1ed1n (warp) bao g\u1ed3m c\u1ea3 s\u1ef1 u\u1ed1n cong t\u1ed5ng th\u1ec3 l\u1eabn c\u00e1c bi\u1ebfn d\u1ea1ng c\u1ee5c b\u1ed9 tr\u00ean b\u1ec1 m\u1eb7t.<\/p>\n\n\n\n<p>Do \u0111\u00f3, \u0111\u1ed9 cong d\u1ecdc th\u01b0\u1eddng ph\u1ea3n \u00e1nh ch\u00ednh x\u00e1c h\u01a1n h\u00ecnh d\u1ea1ng th\u1ef1c t\u1ebf c\u1ee7a t\u1ea5m wafer.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u1ea1i sao Warp l\u1ea1i quan tr\u1ecdng<\/h3>\n\n\n\n<p>C\u00e1c gi\u00e1 tr\u1ecb s\u1ee3i d\u1ecdc l\u1edbn c\u00f3 th\u1ec3 g\u00e2y ra:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn vi\u1ec7c v\u1eadn h\u00e0nh thi\u1ebft b\u1ecb<\/li>\n\n\n\n<li>C\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn k\u1eb9p ch\u00e2n kh\u00f4ng<\/li>\n\n\n\n<li>Hi\u1ec7u su\u1ea5t li\u00ean k\u1ebft gi\u1ea3m<\/li>\n\n\n\n<li>Nh\u1eefng lo ng\u1ea1i v\u1ec1 \u0111\u1ed9 tin c\u1eady c\u1ee7a bao b\u00ec<\/li>\n<\/ul>\n\n\n\n<p>Warp \u0111\u00e3 tr\u1edf n\u00ean \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong c\u00e1c c\u00f4ng ngh\u1ec7 \u0111\u00f3ng g\u00f3i ti\u00ean ti\u1ebfn, n\u01a1i k\u1ebft h\u1ee3p nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u c\u00f3 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t kh\u00e1c nhau.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Bow v\u00e0 Warp: S\u1ef1 kh\u00e1c bi\u1ec7t l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p>M\u1eb7c d\u00f9 c\u00e1c thu\u1eadt ng\u1eef n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f9ng nhau, nh\u01b0ng ch\u00fang m\u00f4 t\u1ea3 c\u00e1c kh\u00eda c\u1ea1nh kh\u00e1c nhau c\u1ee7a h\u00ecnh h\u1ecdc t\u1ea5m wafer.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Tham s\u1ed1<\/th><th>Cung<\/th><th>Warp<\/th><\/tr><tr><td>C\u00e1c bi\u1ec7n ph\u00e1p<\/td><td>\u0110\u1ed9 cong t\u1ed5ng th\u1ec3<\/td><td>Bi\u1ebfn d\u1ea1ng t\u1ed5ng c\u1ed9ng<\/td><\/tr><tr><td>Bao g\u1ed3m hi\u1ec7n t\u01b0\u1ee3ng m\u00e9o ti\u1ebfng c\u1ee5c b\u1ed9<\/td><td>Kh\u00f4ng<\/td><td>\u0110\u00fang<\/td><\/tr><tr><td>Gi\u00e1 tr\u1ecb \u0111i\u1ec3n h\u00ecnh<\/td><td>Nh\u1ecf h\u01a1n<\/td><td>L\u1edbn h\u01a1n<\/td><\/tr><tr><td>\u1ee8ng d\u1ee5ng ch\u00ednh<\/td><td>Ph\u00e2n t\u00edch \u1ee9ng su\u1ea5t<\/td><td>\u0110\u00f3ng g\u00f3i v\u00e0 k\u1ebft d\u00ednh<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>M\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 nh\u1edb s\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y l\u00e0:<\/p>\n\n\n\n<p><strong>\u201cBow\u201d d\u00f9ng \u0111\u1ec3 m\u00f4 t\u1ea3 \u0111\u1ed9 cong c\u1ee7a t\u1ea5m wafer, trong khi \u201cwarp\u201d d\u00f9ng \u0111\u1ec3 m\u00f4 t\u1ea3 h\u00ecnh d\u1ea1ng th\u1ef1c t\u1ebf c\u1ee7a n\u00f3.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">TTV, \u0111\u1ed9 cong v\u00e0 \u0111\u1ed9 l\u1ec7ch s\u1ee3i \u0111\u01b0\u1ee3c \u0111o nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n\n\n<p>K\u1ef9 thu\u1eadt \u0111o l\u01b0\u1eddng wafer hi\u1ec7n \u0111\u1ea1i ch\u1ee7 y\u1ebfu d\u1ef1a v\u00e0o c\u00e1c k\u1ef9 thu\u1eadt \u0111o quang h\u1ecdc kh\u00f4ng ti\u1ebfp x\u00fac.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">H\u1ec7 th\u1ed1ng qu\u00e9t laser<\/h3>\n\n\n\n<p>C\u00e1c h\u1ec7 th\u1ed1ng d\u1ef1a tr\u00ean c\u00f4ng ngh\u1ec7 laser qu\u00e9t c\u1ea3 hai b\u1ec1 m\u1eb7t c\u1ee7a t\u1ea5m wafer v\u00e0 t\u1ea1o ra c\u00e1c b\u1ea3n \u0111\u1ed3 chi ti\u1ebft v\u1ec1 \u0111\u1ed9 d\u00e0y v\u00e0 \u0111\u1ed9 ph\u1eb3ng.<\/p>\n\n\n\n<p>C\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y c\u00f3 th\u1ec3 \u0111o l\u01b0\u1eddng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u1ed9 d\u00e0y<\/li>\n\n\n\n<li>TTV<\/li>\n\n\n\n<li>Cung<\/li>\n\n\n\n<li>Warp<\/li>\n<\/ul>\n\n\n\n<p>Ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i cho c\u00e1c t\u1ea5m wafer silicon, sapphire, th\u1ea1ch anh v\u00e0 SiC.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">M\u00e1y \u0111o \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t quang h\u1ecdc<\/h3>\n\n\n\n<p>M\u00e1y \u0111o h\u00ecnh d\u1ea1ng b\u1ec1 m\u1eb7t quang h\u1ecdc t\u1ea1o ra c\u00e1c \u0111\u01b0\u1eddng cong b\u1ec1 m\u1eb7t ba chi\u1ec1u v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao.<\/p>\n\n\n\n<p>Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ph\u00e2n t\u00edch \u0111\u1ed9 cong<\/li>\n\n\n\n<li>\u0110o \u0111\u1ecba h\u00ecnh b\u1ec1 m\u1eb7t<\/li>\n\n\n\n<li>Ki\u1ec3m tra \u0111\u1ed9 ph\u1eb3ng<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">M\u00e1y giao thoa \u00e1nh s\u00e1ng tr\u1eafng<\/h3>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ef1c cao, k\u1ef9 thu\u1eadt giao thoa \u00e1nh s\u00e1ng tr\u1eafng c\u00f3 th\u1ec3 mang l\u1ea1i \u0111\u1ed9 ph\u00e2n gi\u1ea3i \u0111o l\u01b0\u1eddng \u1edf m\u1ee9c d\u01b0\u1edbi micromet v\u00e0 th\u1eadm ch\u00ed \u1edf m\u1ee9c nanomet.<\/p>\n\n\n\n<p>C\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u0129nh v\u1ef1c MEMS, quang t\u1eed h\u1ecdc v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng nghi\u00ean c\u1ee9u.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111i\u1ec3n h\u00ecnh v\u1ec1 h\u00ecnh d\u1ea1ng t\u1ea5m wafer<\/h2>\n\n\n\n<p>C\u00e1c gi\u00e1 tr\u1ecb cho ph\u00e9p c\u1ee7a TTV, \u0111\u1ed9 cong v\u00e0 \u0111\u1ed9 v\u00f5ng thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o v\u1eadt li\u1ec7u t\u1ea5m wafer v\u00e0 \u1ee9ng d\u1ee5ng.<\/p>\n\n\n\n<p>M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Lo\u1ea1i t\u1ea5m wafer<\/td><td>TTV \u0111i\u1ec3n h\u00ecnh<\/td><\/tr><tr><td>T\u1ea5m silicon<\/td><td>1\u20135 \u03bcm<\/td><\/tr><tr><td>T\u1ea5m wafer sapphire<\/td><td>3\u201310 \u03bcm<\/td><\/tr><tr><td>T\u1ea5m th\u1ea1ch anh<\/td><td>5\u201320 \u03bcm<\/td><\/tr><tr><td>T\u1ea5m wafer SiC<\/td><td>2\u201310 \u03bcm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>C\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt th\u1ef1c t\u1ebf ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u01b0\u1eddng k\u00ednh, \u0111\u1ed9 d\u00e0y c\u1ee7a t\u1ea5m wafer v\u00e0 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng cu\u1ed1i c\u00f9ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">K\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p>TTV, \u0111\u1ed9 cong v\u00e0 \u0111\u1ed9 l\u1ec7ch d\u1ecdc l\u00e0 c\u00e1c th\u00f4ng s\u1ed1 c\u01a1 b\u1ea3n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 h\u00ecnh h\u1ecdc v\u00e0 \u0111\u1ed9 ph\u1eb3ng c\u1ee7a t\u1ea5m wafer.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>TTV<\/strong> \u0111o \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a \u0111\u1ed9 d\u00e0y.<\/li>\n\n\n\n<li><strong>Cung<\/strong> \u0111o \u0111\u1ed9 cong t\u1ed5ng th\u1ec3 c\u1ee7a t\u1ea5m wafer.<\/li>\n\n\n\n<li><strong>Warp<\/strong> \u0111o bi\u1ebfn d\u1ea1ng t\u1ed5ng th\u1ec3 c\u1ee7a t\u1ea5m wafer.<\/li>\n<\/ul>\n\n\n\n<p>Khi ng\u00e0nh s\u1ea3n xu\u1ea5t b\u00e1n d\u1eabn kh\u00f4ng ng\u1eebng ph\u00e1t tri\u1ec3n, vi\u1ec7c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd h\u01a1n c\u00e1c th\u00f4ng s\u1ed1 n\u00e0y l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c n\u0103ng su\u1ea5t cao h\u01a1n, hi\u1ec7u su\u1ea5t thi\u1ebft b\u1ecb t\u1ed1t h\u01a1n v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh quy tr\u00ecnh \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n.<\/p>\n\n\n\n<p>D\u00f9 b\u1ea1n \u0111ang t\u00ecm ngu\u1ed3n cung \u1ee9ng <a href=\"https:\/\/www.zmsh-semitech.com\/vi\/danh-muc-san-pham\/wafer\/\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#cf2e2e\" class=\"has-inline-color\">t\u1ea5m silicon, t\u1ea5m sapphire, t\u1ea5m th\u1ea1ch anh ho\u1eb7c ch\u1ea5t n\u1ec1n cacbua silic<\/mark><\/a>, vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c th\u00f4ng s\u1ed1 TTV, \u0111\u1ed9 cong v\u00e0 \u0111\u1ed9 cong d\u1ecdc c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n l\u1ef1a ch\u1ecdn c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ph\u00f9 h\u1ee3p cho t\u1ea5m wafer trong \u1ee9ng d\u1ee5ng c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>In semiconductor manufacturing, wafer quality is about much more than material purity. Even a perfectly grown silicon, sapphire, quartz, or silicon carbide wafer can cause production issues if its geometry is not properly controlled. Among the most important wafer geometry parameters are TTV (Total Thickness Variation), Bow, and Warp. These measurements help engineers evaluate wafer [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2556,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"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":"var(--ast-global-color-4)","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":[25],"tags":[44,1514,639,36,1509,637,1090,1518,372,1515,1516,1517,873,131],"class_list":["post-2555","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technology-applications","tag-advanced-packaging","tag-quartz-wafer","tag-sapphire-wafer","tag-semiconductor-manufacturing","tag-semiconductor-wafer","tag-sic-wafer","tag-silicon-wafer","tag-wafer-bow","tag-wafer-flatness","tag-wafer-geometry","tag-wafer-measurement","tag-wafer-metrology","tag-wafer-ttv","tag-wafer-warp"],"_links":{"self":[{"href":"https:\/\/www.zmsh-semitech.com\/vi\/wp-json\/wp\/v2\/posts\/2555","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zmsh-semitech.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zmsh-semitech.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zmsh-semitech.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zmsh-semitech.com\/vi\/wp-json\/wp\/v2\/comments?post=2555"}],"version-history":[{"count":1,"href":"https:\/\/www.zmsh-semitech.com\/vi\/wp-json\/wp\/v2\/posts\/2555\/revisions"}],"predecessor-version":[{"id":2557,"href":"https:\/\/www.zmsh-semitech.com\/vi\/wp-json\/wp\/v2\/posts\/2555\/revisions\/2557"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.zmsh-semitech.com\/vi\/wp-json\/wp\/v2\/media\/2556"}],"wp:attachment":[{"href":"https:\/\/www.zmsh-semitech.com\/vi\/wp-json\/wp\/v2\/media?parent=2555"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zmsh-semitech.com\/vi\/wp-json\/wp\/v2\/categories?post=2555"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zmsh-semitech.com\/vi\/wp-json\/wp\/v2\/tags?post=2555"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}