{"id":2243,"date":"2026-04-15T05:38:35","date_gmt":"2026-04-15T05:38:35","guid":{"rendered":"https:\/\/www.zmsh-semitech.com\/?post_type=product&#038;p=2243"},"modified":"2026-04-15T05:38:37","modified_gmt":"2026-04-15T05:38:37","slug":"12-inch-sapphire-wafer-al%e2%82%82o%e2%82%83-for-led-semiconductor-epitaxial-growth","status":"publish","type":"product","link":"https:\/\/www.zmsh-semitech.com\/vi\/product\/12-inch-sapphire-wafer-al%e2%82%82o%e2%82%83-for-led-semiconductor-epitaxial-growth\/","title":{"rendered":"T\u1ea5m wafer sapphire 12 inch (Al\u2082O\u2083) d\u00f9ng cho \u0111\u00e8n LED, ch\u1ea5t b\u00e1n d\u1eabn v\u00e0 qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n l\u1edbp ph\u1ee7"},"content":{"rendered":"<p data-start=\"365\" data-end=\"715\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignright wp-image-2245 size-medium\" src=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-1-300x300.jpg\" alt=\"12-inch Sapphire Wafer (Al\u2082O\u2083) for LED, Semiconductor &amp; Epitaxial Growth\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-1-300x300.jpg 300w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-1-150x150.jpg 150w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-1-768x768.jpg 768w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-1-12x12.jpg 12w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-1-600x600.jpg 600w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-1-100x100.jpg 100w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-1.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>The 12-inch sapphire wafer is a high-performance single-crystal aluminum oxide (Al\u2082O\u2083) substrate engineered for advanced semiconductor, optoelectronic, and high-temperature applications. It is manufactured from ultra-high purity sapphire crystal with a purity level of \u226599.99%, ensuring excellent structural uniformity and low defect density.<\/p>\n<p data-start=\"759\" data-end=\"1120\">Sapphire is widely recognized for its exceptional mechanical hardness, chemical stability, and optical transparency, making it one of the most reliable substrate materials for extreme environments. The 12-inch format represents a high-end industrial-scale wafer size, designed for mass production of LED epitaxial layers and advanced electronic devices.<\/p>\n<p data-start=\"1122\" data-end=\"1313\">Unlike silicon, sapphire is an electrical insulator, which makes it particularly suitable for applications requiring high-frequency isolation, thermal stability, and optical transparency.<\/p>\n<hr data-start=\"1315\" data-end=\"1318\" \/>\n<h2 data-section-id=\"ojepy8\" data-start=\"1320\" data-end=\"1351\"><span role=\"text\">\u00a0<img decoding=\"async\" class=\"size-medium wp-image-2248 alignright\" src=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-3-1-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-3-1-300x300.jpg 300w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-3-1-150x150.jpg 150w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-3-1-12x12.jpg 12w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-3-1-600x600.jpg 600w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-3-1-100x100.jpg 100w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-3-1.jpg 680w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>Material Characteristics<\/span><\/h2>\n<p data-start=\"1353\" data-end=\"1450\">Sapphire (\u03b1-Al\u2082O\u2083) is a single-crystal material with a unique combination of physical properties:<\/p>\n<ul data-start=\"1452\" data-end=\"1753\">\n<li data-section-id=\"1spvf2o\" data-start=\"1452\" data-end=\"1488\">Extremely high hardness (Mohs 9)<\/li>\n<li data-section-id=\"4u0l41\" data-start=\"1489\" data-end=\"1564\">Excellent resistance to thermal shock and high-temperature environments<\/li>\n<li data-section-id=\"c2l800\" data-start=\"1565\" data-end=\"1625\">Outstanding chemical inertness against acids and alkalis<\/li>\n<li data-section-id=\"1khka8y\" data-start=\"1626\" data-end=\"1698\">Wide optical transmission range (UV to mid-infrared after polishing)<\/li>\n<li data-section-id=\"quzdk\" data-start=\"1699\" data-end=\"1753\">High dielectric strength and electrical insulation<\/li>\n<\/ul>\n<p data-start=\"1755\" data-end=\"1897\">These properties make sapphire wafers a preferred choice in LED manufacturing, RF devices, laser systems, and aerospace-grade electronics.<\/p>\n<h2 data-section-id=\"ievvp6\" data-start=\"1904\" data-end=\"1938\"><span role=\"text\"><img decoding=\"async\" class=\"size-medium wp-image-2247 alignright\" src=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-4-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-4-300x300.jpg 300w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-4-150x150.jpg 150w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-4-12x12.jpg 12w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-4-600x600.jpg 600w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-4-100x100.jpg 100w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-4.jpg 660w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>Polishing &amp; Surface Quality<\/span><\/h2>\n<p data-start=\"1940\" data-end=\"2108\">This product supports both DSP (Double-Side Polishing) and SSP (Single-Side Polishing) processes, ensuring flexibility for different manufacturing requirements.<\/p>\n<ul data-start=\"2110\" data-end=\"2358\">\n<li data-section-id=\"1fpepz1\" data-start=\"2110\" data-end=\"2162\">Front surface: Epi-ready polishing (Ra &lt; 0.3 nm)<\/li>\n<li data-section-id=\"bdp6ps\" data-start=\"2163\" data-end=\"2231\">Back surface: Lapped or semi-polished depending on specification<\/li>\n<li data-section-id=\"df2v4y\" data-start=\"2232\" data-end=\"2287\">Surface cleanliness: Class 100 cleanroom processing<\/li>\n<li data-section-id=\"19b95b4\" data-start=\"2288\" data-end=\"2358\">Contamination control: ultra-low particle and metal residue levels<\/li>\n<\/ul>\n<div class=\"no-scrollbar flex min-h-36 flex-nowrap gap-0.5 overflow-auto sm:gap-1 sm:overflow-hidden xl:min-h-44 mt-1 mb-5 [&amp;:not(:first-child)]:mt-4\">\n<div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)]\">\n<div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"><\/div>\n<\/div>\n<div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-e-xl\">\n<div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\">\n<div class=\"pointer-events-none absolute inset-x-2 bottom-2 z-0 flex max-w-[calc(100%-1rem)] flex-wrap items-end justify-end gap-1.5\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"2402\" data-end=\"2579\">These surface qualities are critical for epitaxial growth processes such as MOCVD, MBE, and PECVD, where atomic-level surface uniformity directly impacts device performance.<\/p>\n<hr data-start=\"2581\" data-end=\"2584\" \/>\n<h2 data-section-id=\"id1bjs\" data-start=\"2586\" data-end=\"2617\"><span role=\"text\">Technical Specifications<\/span><\/h2>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"2619\" data-end=\"3135\">\n<thead data-start=\"2619\" data-end=\"2648\">\n<tr data-start=\"2619\" data-end=\"2648\">\n<th class=\"\" data-start=\"2619\" data-end=\"2631\" data-col-size=\"sm\">Parameter<\/th>\n<th class=\"\" data-start=\"2631\" data-end=\"2648\" data-col-size=\"md\">Specification<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"2677\" data-end=\"3135\">\n<tr data-start=\"2677\" data-end=\"2732\">\n<td data-start=\"2677\" data-end=\"2688\" data-col-size=\"sm\">Material<\/td>\n<td data-col-size=\"md\" data-start=\"2688\" data-end=\"2732\">Single-crystal sapphire (Al\u2082O\u2083 \u2265 99.99%)<\/td>\n<\/tr>\n<tr data-start=\"2733\" data-end=\"2771\">\n<td data-start=\"2733\" data-end=\"2744\" data-col-size=\"sm\">Diameter<\/td>\n<td data-col-size=\"md\" data-start=\"2744\" data-end=\"2771\">2\u201d \u2013 12\u201d (customizable)<\/td>\n<\/tr>\n<tr data-start=\"2772\" data-end=\"2804\">\n<td data-start=\"2772\" data-end=\"2788\" data-col-size=\"sm\">12\u201d Thickness<\/td>\n<td data-start=\"2788\" data-end=\"2804\" data-col-size=\"md\">3000 \u00b1 20 \u03bcm<\/td>\n<\/tr>\n<tr data-start=\"2805\" data-end=\"2864\">\n<td data-start=\"2805\" data-end=\"2819\" data-col-size=\"sm\">Orientation<\/td>\n<td data-col-size=\"md\" data-start=\"2819\" data-end=\"2864\">C-plane (0001), A-plane, M-plane, R-plane<\/td>\n<\/tr>\n<tr data-start=\"2865\" data-end=\"2890\">\n<td data-start=\"2865\" data-end=\"2877\" data-col-size=\"sm\">DSP \/ SSP<\/td>\n<td data-col-size=\"md\" data-start=\"2877\" data-end=\"2890\">Available<\/td>\n<\/tr>\n<tr data-start=\"2891\" data-end=\"2928\">\n<td data-start=\"2891\" data-end=\"2908\" data-col-size=\"sm\">OF Orientation<\/td>\n<td data-col-size=\"md\" data-start=\"2908\" data-end=\"2928\">a-plane 0 \u00b1 0.3\u00b0<\/td>\n<\/tr>\n<tr data-start=\"2929\" data-end=\"2956\">\n<td data-start=\"2929\" data-end=\"2935\" data-col-size=\"sm\">TTV<\/td>\n<td data-start=\"2935\" data-end=\"2956\" data-col-size=\"md\">\u2264 15 \u03bcm (12 inch)<\/td>\n<\/tr>\n<tr data-start=\"2957\" data-end=\"2987\">\n<td data-start=\"2957\" data-end=\"2963\" data-col-size=\"sm\">BOW<\/td>\n<td data-start=\"2963\" data-end=\"2987\" data-col-size=\"md\">-25 ~ 0 \u03bcm (12 inch)<\/td>\n<\/tr>\n<tr data-start=\"2988\" data-end=\"3006\">\n<td data-start=\"2988\" data-end=\"2995\" data-col-size=\"sm\">Warp<\/td>\n<td data-col-size=\"md\" data-start=\"2995\" data-end=\"3006\">\u2264 30 \u03bcm<\/td>\n<\/tr>\n<tr data-start=\"3007\" data-end=\"3050\">\n<td data-start=\"3007\" data-end=\"3023\" data-col-size=\"sm\">Front Surface<\/td>\n<td data-col-size=\"md\" data-start=\"3023\" data-end=\"3050\">Epi-ready (Ra &lt; 0.3 nm)<\/td>\n<\/tr>\n<tr data-start=\"3051\" data-end=\"3092\">\n<td data-start=\"3051\" data-end=\"3066\" data-col-size=\"sm\">Back Surface<\/td>\n<td data-col-size=\"md\" data-start=\"3066\" data-end=\"3092\">Lapped (Ra 0.6\u20131.2 \u03bcm)<\/td>\n<\/tr>\n<tr data-start=\"3093\" data-end=\"3135\">\n<td data-start=\"3093\" data-end=\"3105\" data-col-size=\"sm\">Packaging<\/td>\n<td data-start=\"3105\" data-end=\"3135\" data-col-size=\"md\">Cleanroom vacuum packaging<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr data-start=\"3137\" data-end=\"3140\" \/>\n<h2 data-section-id=\"1j5qwet\" data-start=\"3142\" data-end=\"3161\"><span role=\"text\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-2244 alignright\" src=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-2-300x300.jpg\" alt=\"\" width=\"236\" height=\"236\" srcset=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-2-300x300.jpg 300w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-2-150x150.jpg 150w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-2-768x768.jpg 768w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-2-12x12.jpg 12w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-2-600x600.jpg 600w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-2-100x100.jpg 100w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/12-inch-Sapphire-Wafer-Al\u2082O\u2083-for-LED-Semiconductor-Epitaxial-Growth-2.jpg 800w\" sizes=\"(max-width: 236px) 100vw, 236px\" \/>Key Features<\/span><\/h2>\n<ul data-start=\"3163\" data-end=\"3544\">\n<li data-section-id=\"pjnxki\" data-start=\"3163\" data-end=\"3225\">Ultra-large 12-inch semiconductor-grade sapphire substrate<\/li>\n<li data-section-id=\"qr2j3g\" data-start=\"3226\" data-end=\"3272\">High purity single-crystal Al\u2082O\u2083 (\u226599.99%)<\/li>\n<li data-section-id=\"nf8tmh\" data-start=\"3273\" data-end=\"3315\">Supports DSP and SSP polishing options<\/li>\n<li data-section-id=\"yxl3dv\" data-start=\"3316\" data-end=\"3368\">Multiple crystallographic orientations available<\/li>\n<li data-section-id=\"14fh0df\" data-start=\"3369\" data-end=\"3426\">Excellent thermal stability and mechanical durability<\/li>\n<li data-section-id=\"1mw9xq6\" data-start=\"3427\" data-end=\"3475\">Ultra-low contamination cleanroom processing<\/li>\n<li data-section-id=\"498ln5\" data-start=\"3476\" data-end=\"3544\">Suitable for high-end epitaxial growth and research applications<\/li>\n<\/ul>\n<hr data-start=\"3546\" data-end=\"3549\" \/>\n<h2 data-section-id=\"k0zlak\" data-start=\"3551\" data-end=\"3570\"><span role=\"text\">Applications<\/span><\/h2>\n<div class=\"no-scrollbar flex min-h-36 flex-nowrap gap-0.5 overflow-auto sm:gap-1 sm:overflow-hidden xl:min-h-44 mt-1 mb-5 [&amp;:not(:first-child)]:mt-4\">\n<div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-s-xl\">\n<div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\"><\/div>\n<\/div>\n<\/div>\n<h3 data-section-id=\"1umceew\" data-start=\"3614\" data-end=\"3657\"><span role=\"text\">LED &amp; Optoelectronics Manufacturing<\/span><\/h3>\n<p data-start=\"3658\" data-end=\"3793\">C-plane sapphire wafers are widely used as substrates for GaN-based LED production, including blue, white, UV, and deep-UV devices.<\/p>\n<h3 data-section-id=\"1hfhdt5\" data-start=\"3795\" data-end=\"3833\"><span role=\"text\">Semiconductor Epitaxial Growth<\/span><\/h3>\n<p data-start=\"3834\" data-end=\"3880\">Supports advanced epitaxial processes such as:<\/p>\n<ul data-start=\"3881\" data-end=\"3997\">\n<li data-section-id=\"14ku9of\" data-start=\"3881\" data-end=\"3932\">MOCVD (Metal-Organic Chemical Vapor Deposition)<\/li>\n<li data-section-id=\"150f9ia\" data-start=\"3933\" data-end=\"3965\">MBE (Molecular Beam Epitaxy)<\/li>\n<li data-section-id=\"vh90cd\" data-start=\"3966\" data-end=\"3997\">PECVD (Plasma-Enhanced CVD)<\/li>\n<\/ul>\n<h3 data-section-id=\"17id26w\" data-start=\"3999\" data-end=\"4034\"><span role=\"text\">RF &amp; High-Frequency Devices<\/span><\/h3>\n<p data-start=\"4035\" data-end=\"4150\">Used in heterojunction bipolar transistors (HBTs), laser diodes (LDs), and high-frequency communication components.<\/p>\n<h3 data-section-id=\"aqrsz\" data-start=\"4152\" data-end=\"4183\"><span role=\"text\">UV &amp; Laser Applications<\/span><\/h3>\n<p data-start=\"4184\" data-end=\"4283\">Sapphire substrates are suitable for UV detectors, laser windows, and photonic integration systems.<\/p>\n<h3 data-section-id=\"1tinrfc\" data-start=\"4285\" data-end=\"4321\"><span role=\"text\">High-Temperature Electronics<\/span><\/h3>\n<p data-start=\"4322\" data-end=\"4413\">Used as heat-resistant insulating substrates in high-power and high-frequency environments.<\/p>\n<hr data-start=\"4415\" data-end=\"4418\" \/>\n<h2 data-section-id=\"lalgo8\" data-start=\"4420\" data-end=\"4448\"><span role=\"text\">Customization Options<\/span><\/h2>\n<p data-start=\"4450\" data-end=\"4538\">We provide flexible customization services for research and industrial production needs:<\/p>\n<ul data-start=\"4540\" data-end=\"4831\">\n<li data-section-id=\"itarb5\" data-start=\"4540\" data-end=\"4581\">Diameter: 1\u201d, 2\u201d, 3\u201d, 4\u201d, 6\u201d, 8\u201d, 12\u201d<\/li>\n<li data-section-id=\"zg9g0k\" data-start=\"4582\" data-end=\"4644\">Crystal orientation: C-plane \/ A-plane \/ M-plane \/ R-plane<\/li>\n<li data-section-id=\"1isa4cd\" data-start=\"4645\" data-end=\"4679\">Off-angle adjustment available<\/li>\n<li data-section-id=\"1c2k10x\" data-start=\"4680\" data-end=\"4719\">DSP \/ SSP surface treatment options<\/li>\n<li data-section-id=\"1npalia\" data-start=\"4720\" data-end=\"4754\">Thickness and TTV optimization<\/li>\n<li data-section-id=\"afvzgc\" data-start=\"4755\" data-end=\"4786\">Edge shaping and chamfering<\/li>\n<li data-section-id=\"1336vh1\" data-start=\"4787\" data-end=\"4831\">Custom packaging (single wafer \/ cassette)<\/li>\n<\/ul>\n<p data-start=\"4833\" data-end=\"4943\">Each wafer is traceable with a unique serial number to ensure quality control and production traceability.<\/p>\n<hr data-start=\"4945\" data-end=\"4948\" \/>\n<h2 data-section-id=\"elc90z\" data-start=\"4950\" data-end=\"4960\"><span role=\"text\">FAQ<\/span><\/h2>\n<p data-start=\"4962\" data-end=\"5195\">Q1: What is the main advantage of sapphire wafers over silicon wafers?<br data-start=\"5036\" data-end=\"5039\" \/>Sapphire is transparent and electrically insulating, making it ideal for LED and optical applications, while silicon is mainly used for electronic circuits.<\/p>\n<p data-start=\"5197\" data-end=\"5391\">Q2: Why is 12-inch sapphire wafer important?<br data-start=\"5245\" data-end=\"5248\" \/>It supports large-scale industrial LED and semiconductor production, improving efficiency and reducing per-unit cost in mass manufacturing.<\/p>\n<p data-start=\"5393\" data-end=\"5568\">Q3: What does DSP and SSP mean?<br data-start=\"5428\" data-end=\"5431\" \/>DSP refers to Double-Side Polishing, while SSP refers to Single-Side Polishing. These affect surface quality and application suitability.<\/p>\n<p data-start=\"5570\" data-end=\"5744\">Q4: Can sapphire wafers be used directly for devices?<br data-start=\"5627\" data-end=\"5630\" \/>They are used as substrates and require epitaxial growth or additional processing before final device fabrication.<\/p>\n<p data-start=\"5746\" data-end=\"5894\">Q5: Why is sapphire used in LEDs?<br data-start=\"5783\" data-end=\"5786\" \/>Because it provides a stable lattice structure for GaN growth and excellent thermal and optical performance.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1ea5m wafer sapphire 12 inch l\u00e0 ch\u1ea5t n\u1ec1n oxit nh\u00f4m (Al\u2082O\u2083) \u0111\u01a1n tinh th\u1ec3 hi\u1ec7u su\u1ea5t cao, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u00e0nh cho c\u00e1c \u1ee9ng d\u1ee5ng ti\u00ean ti\u1ebfn trong l\u0129nh v\u1ef1c b\u00e1n d\u1eabn, quang \u0111i\u1ec7n t\u1eed v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao. S\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb tinh th\u1ec3 sapphire c\u00f3 \u0111\u1ed9 tinh khi\u1ebft c\u1ef1c cao (\u226599,991%), \u0111\u1ea3m b\u1ea3o t\u00ednh \u0111\u1ed3ng nh\u1ea5t c\u1ea5u tr\u00fac tuy\u1ec7t v\u1eddi v\u00e0 m\u1eadt \u0111\u1ed9 khuy\u1ebft t\u1eadt th\u1ea5p.<\/p>","protected":false},"featured_media":2246,"comment_status":"open","ping_status":"closed","template":"","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":"default","adv-header-id-meta":"","stick-header-meta":"default","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 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