{"id":3152,"date":"2026-04-07T02:24:30","date_gmt":"2026-04-07T02:24:30","guid":{"rendered":"https:\/\/www.sapphiretube.com\/?post_type=product&p=3152"},"modified":"2026-04-10T06:29:59","modified_gmt":"2026-04-10T06:29:59","slug":"3152","status":"publish","type":"product","link":"https:\/\/www.sapphiretube.com\/ko\/product\/3152\/","title":{"rendered":"Sapphire Wafer Blank High Purity Raw Sapphire Substrate For Processing"},"content":{"rendered":"

Product Overview<\/strong><\/h3>\n

Sapphire wafer blanks are raw circular substrates cut directly from high-purity single-crystal sapphire boules. They are sliced into standard wafer diameters such as 2\u201d, 3\u201d, 4\u201d, 6\u201d, and 8\u201d, but have not undergone lapping, grinding, or chemical mechanical polishing (CMP). The surface remains in its original wire-sawn condition, with visible slicing marks.<\/p>\n

These blanks serve as the starting material for a wide range of industries. They are essential for manufacturers and research laboratories that wish to carry out their own finishing steps, including lapping, thinning, orientation correction, and polishing. Sapphire is renowned for its exceptional hardness, thermal stability, and chemical resistance, making sapphire wafer blanks a critical material for LED production, semiconductors, optical components, and industrial applications.<\/p>\n

\u00a0 \u00a0 \"\" \"\"<\/p>\n

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Key Features\"\"<\/strong><\/h1>\n
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    Standard Sapphire Wafer Blank\u00a0diameters are available, suitable for direct processing without additional shaping.<\/p>\n<\/li>\n

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    Manufactured from alpha-phase Al\u2082O\u2083 with a purity level of 99.99 percent or higher, ensuring uniform crystal quality.<\/p>\n<\/li>\n

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    Raw, as-cut surface retains wire-sawn marks, allowing customers to apply their own finishing methods.<\/p>\n<\/li>\n

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    Exceptional hardness and scratch resistance, second only to diamond.<\/p>\n<\/li>\n

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    Outstanding thermal and chemical stability, suitable for demanding environments.<\/p>\n<\/li>\n

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    Multiple Sapphire Wafer Blank\u00a0orientations available, including C-plane, A-plane, R-plane, and M-plane.<\/p>\n<\/li>\n<\/ul>\n

     <\/p>\n

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    <\/h3>\n

    Applications<\/strong><\/h1>\n

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    LED and semiconductor manufacturing<\/strong><\/p>\n

    Sapphire wafer blanks are widely used as the base material for LED substrates, RFIC wafers,\u00a0and other semiconductor components. Manufacturers process the blanks through lapping and polishing to produce high-quality finished wafers for epitaxial growth.<\/p>\n

    Optical and laser components<\/strong><\/p>\n

    Once finished, Sapphire Wafer Blank\u00a0can be turned into optical windows, laser optics, infrared viewports, and precision lenses.<\/p>\n

    Research and development<\/strong><\/p>\n

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    Universities and laboratories use wafer blanks to test CMP slurries, study sapphire processing methods, and develop wafer finishing techniques.<\/p>\n

    Coating and deposition experiments<\/strong><\/p>\n

    Sapphire wafer blanks are an ideal base for thin-film coating trials such as ALD, PVD, and CVD, particularly when an ultra-smooth surface is not yet required.<\/p>\n

    Industrial and aerospace parts<\/strong><\/p>\n

    With additional machining and polishing, Sapphire Wafer Blank\u00a0can be transformed into heat-resistant spacers, sensor covers, and furnace fixtures.<\/p>\n

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    <\/h3>\n

    Advantages<\/strong><\/h1>\n
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    • \n

      Cost-effective starting material, less expensive than lapped or polished wafers.<\/p>\n<\/li>\n

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      Gives manufacturers full control over finishing, thickness, and surface quality.<\/p>\n<\/li>\n

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      Preserves the natural raw state of the sapphire for research and analysis.<\/p>\n<\/li>\n

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      Maintains the exceptional mechanical strength and durability of sapphire even in its unprocessed form.<\/p>\n<\/li>\n<\/ul>\n

       <\/p>\n

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      <\/h3>\n

      Technical Specifications<\/strong><\/h1>\n
      \n
      \n\n\n\n\n\n\n\n\n\n\n\n\n
      Parameter<\/th>\nDetails<\/th>\n<\/tr>\n<\/thead>\n
      Material<\/td>\nSingle-crystal sapphire (Al\u2082O\u2083)<\/td>\n<\/tr>\n
      Purity<\/td>\n\u2265 99.99%<\/td>\n<\/tr>\n
      Shape<\/td>\nCircular wafer blank<\/td>\n<\/tr>\n
      Diameter<\/td>\n2\u201d, 3\u201d, 4\u201d, 6\u201d, 8\u201d (custom sizes available)<\/td>\n<\/tr>\n
      Thickness<\/td>\n0.5\u20133.0 mm standard, custom thickness on request<\/td>\n<\/tr>\n
      Orientation<\/td>\nC-plane (0001), A-plane, R-plane, M-plane<\/td>\n<\/tr>\n
      Surface finish<\/td>\nAs-cut, wire-sawn, no lapping or polishing<\/td>\n<\/tr>\n
      Edge finish<\/td>\nRough edge by default, optional chamfering available<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
      \n

       <\/p>\n<\/div>\n

      FAQ<\/strong><\/h1>\n

      Q1: How is a sapphire wafer blank different from an unpolished wafer?<\/strong>
      A sapphire wafer blank is the raw slice cut to wafer size without lapping or grinding. An unpolished wafer has been lapped flat but not polished.<\/p>\n

      Q2: Why do manufacturers buy\u00a0<\/strong>Sapphire Wafer Blank<\/strong>\u00a0instead of finished wafers?<\/strong>
      Wafer blanks are more economical and allow full control over the finishing process, ensuring that the final wafer meets internal standards.<\/p>\n

      Q3: Can sapphire wafer blanks be customized?<\/strong>
      Yes, custom diameters, thicknesses, and crystal orientations are available, with optional edge preparation.<\/p>\n

      Q4: Can they be used directly for LED or optical applications?<\/strong>
      No, they must be lapped and polished before they can serve as LED substrates or optical-grade materials.<\/p>\n

      Q5: What industries use sapphire wafer blanks?<\/strong>
      LED and semiconductor manufacturers, optical component producers, aerospace contractors, research institutions, and coating laboratories are the main users.<\/p>\n

      <\/div>\n
      <\/div>\n
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      About Us<\/strong><\/h1>\n

      ZMSH specializes in high-tech development, production, and sales of special optical glass and new crystal materials. Our products serve optical electronics, consumer electronics, and the military. We offer Sapphire optical components, mobile phone lens covers, Ceramics, LT, Silicon Carbide SIC, Quartz, and semiconductor crystal wafers. With skilled expertise and cutting-edge equipment, we excel in non-standard product processing, aiming to be a leading optoelectronic materials high-tech enterprise.<\/p>\n

      \"\"<\/p>\n<\/div>\n<\/div>\n

      <\/div>","protected":false},"excerpt":{"rendered":"

      Sapphire wafer blanks are raw circular substrates cut directly from high-purity single-crystal sapphire boules. They are sliced into standard wafer diameters such as 2\u201d, 3\u201d, 4\u201d, 6\u201d, and 8\u201d, but have not undergone lapping, grinding, or chemical mechanical polishing (CMP). The surface remains in its original wire-sawn condition, with visible slicing marks.<\/p>","protected":false},"featured_media":3157,"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":"","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":""}}},"product_brand":[],"product_cat":[58],"product_tag":[],"class_list":{"0":"post-3152","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-sapphire-wafer","7":"desktop-align-left","8":"tablet-align-left","9":"mobile-align-left","10":"ast-product-gallery-layout-horizontal-slider","11":"ast-product-tabs-layout-horizontal","13":"first","14":"instock","15":"shipping-taxable","16":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.sapphiretube.com\/ko\/wp-json\/wp\/v2\/product\/3152","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sapphiretube.com\/ko\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.sapphiretube.com\/ko\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sapphiretube.com\/ko\/wp-json\/wp\/v2\/comments?post=3152"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sapphiretube.com\/ko\/wp-json\/wp\/v2\/media\/3157"}],"wp:attachment":[{"href":"https:\/\/www.sapphiretube.com\/ko\/wp-json\/wp\/v2\/media?parent=3152"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.sapphiretube.com\/ko\/wp-json\/wp\/v2\/product_brand?post=3152"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.sapphiretube.com\/ko\/wp-json\/wp\/v2\/product_cat?post=3152"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.sapphiretube.com\/ko\/wp-json\/wp\/v2\/product_tag?post=3152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}