{"id":2285,"date":"2026-05-20T07:58:38","date_gmt":"2026-05-20T07:58:38","guid":{"rendered":"https:\/\/www.xkh-ceramics.com\/?post_type=product&p=2285"},"modified":"2026-05-29T05:27:41","modified_gmt":"2026-05-29T05:27:41","slug":"high-purity-al%e2%82%82o%e2%82%83-alumina-ceramic-substrate-for-semiconductor-and-electronic-applications","status":"publish","type":"product","link":"https:\/\/www.xkh-ceramics.com\/pt\/product\/high-purity-al%e2%82%82o%e2%82%83-alumina-ceramic-substrate-for-semiconductor-and-electronic-applications\/","title":{"rendered":"Substrato cer\u00e2mico de alumina de alta pureza Al\u2082O\u2083 para aplica\u00e7\u00f5es electr\u00f3nicas e de semicondutores"},"content":{"rendered":"
\n
\n
\n
\n
\n
\n
\n
\n
\n

\"\"Al\u2082O\u2083 alumina ceramic substrate is one of the most widely used advanced ceramic materials in electronics, semiconductor processing, and industrial applications. With excellent electrical insulation, high mechanical strength, strong corrosion resistance, and stable thermal properties, alumina ceramic substrates provide an ideal solution for applications requiring reliability under demanding operating conditions.<\/p>\n

Manufactured from high-purity alumina ceramic materials ranging from 96% to 99.6%, these substrates are produced using precision ceramic forming and polishing processes to ensure superior flatness, dense structure, and excellent surface quality. Compared with many engineering materials, alumina ceramic offers a balanced combination of performance and cost efficiency, making it a preferred choice for thick-film circuits, LED heat dissipation, power modules, and semiconductor equipment components.<\/p>\n

Custom dimensions, surface finishing, and machining services are available according to customer requirements.<\/p>\n

\n

Product Specifications<\/h2>\n
\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nSpecification<\/th>\n<\/tr>\n<\/thead>\n
Product Name<\/td>\nAl\u2082O\u2083 Alumina Ceramic Substrate<\/td>\n<\/tr>\n
Material<\/td>\nHigh Purity Alumina Ceramic<\/td>\n<\/tr>\n
Purity<\/td>\n96%, 99%, 99.6% Optional<\/td>\n<\/tr>\n
Color<\/td>\nWhite \/ Ivory<\/td>\n<\/tr>\n
Thickness<\/td>\n0.385\u20132.5 mm or Customized<\/td>\n<\/tr>\n
Surface Type<\/td>\nSingle-side or Double-side Polished<\/td>\n<\/tr>\n
Standard Surface Roughness<\/td>\nRa 0.8\u20131.0 \u03bcm<\/td>\n<\/tr>\n
Fine Polishing<\/td>\nRa < 5 nm<\/td>\n<\/tr>\n
Diamond Mirror Polish<\/td>\nRa < 1 nm<\/td>\n<\/tr>\n
Water Absorption<\/td>\n0%<\/td>\n<\/tr>\n
Maximum Operating Temperature<\/td>\nUp to 1700\u00b0C<\/td>\n<\/tr>\n
Volume Resistivity<\/td>\n>10\u00b9\u2074 \u03a9\u00b7cm<\/td>\n<\/tr>\n
Packaging<\/td>\nCassette Box or Customized<\/td>\n<\/tr>\n
Custom Service<\/td>\nMachining, Metallization, Surface Processing<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
\n

Typical Material Properties<\/h2>\n
\n
\n\n\n\n\n\n\n\n\n\n\n\n
Properties<\/th>\nAl\u2082O\u2083 96%<\/th>\nAl\u2082O\u2083 99%<\/th>\nAl\u2082O\u2083 99.6%<\/th>\n<\/tr>\n<\/thead>\n
Density (g\/cm\u00b3)<\/td>\n3.7<\/td>\n3.9<\/td>\n3.9<\/td>\n<\/tr>\n
Vickers Hardness (GPa)<\/td>\n11.5<\/td>\n13<\/td>\n14<\/td>\n<\/tr>\n
Flexural Strength (MPa)<\/td>\n358<\/td>\n380<\/td>\n380<\/td>\n<\/tr>\n
Compressive Strength (MPa)<\/td>\n2300<\/td>\n3000<\/td>\n3000<\/td>\n<\/tr>\n
Thermal Conductivity (W\/m\u00b7K)<\/td>\n24\u201325<\/td>\n25\u201330<\/td>\n25\u201335<\/td>\n<\/tr>\n
Thermal Shock Resistance (\u0394T\u00b0C)<\/td>\n250<\/td>\n200<\/td>\n200<\/td>\n<\/tr>\n
Volume Resistivity (\u03a9\u00b7cm)<\/td>\n>10\u00b9\u2074<\/td>\n>10\u00b9\u2074<\/td>\n>10\u00b9\u2074<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
\n

Key Features<\/h2>\n

Excellent Electrical Insulation<\/h3>\n

Alumina ceramic exhibits high dielectric strength and electrical resistivity, providing stable insulation performance in electronic and semiconductor systems.<\/p>\n

High Mechanical Strength<\/h3>\n

With excellent hardness and compressive strength, alumina ceramic substrates maintain dimensional stability and long service life under demanding operating environments.<\/p>\n

Superior Corrosion Resistance<\/h3>\n

Al\u2082O\u2083 ceramic demonstrates strong resistance to acids, alkalis, and many chemical media, making it suitable for chemically aggressive industrial environments.<\/p>\n

High Temperature Stability<\/h3>\n

The material maintains excellent structural performance under elevated temperatures and can operate continuously in harsh thermal conditions.<\/p>\n

Low Porosity Structure<\/h3>\n

Dense microstructure minimizes contamination risk and supports high process consistency for precision applications.<\/p>\n

Excellent Wear Resistance<\/h3>\n

The high hardness of alumina ceramic significantly improves durability and extends operational lifetime.<\/p>\n

\n

\"\"Surface Finishing Options<\/h2>\n

Different surface processing methods are available according to application requirements:<\/p>\n

Standard Polish<\/strong>
Ra: 0.8\u20131.0 \u03bcm<\/p>\n

Fine Polish<\/strong>
Ra: <5 nm<\/p>\n

Diamond Mirror Polish<\/strong>
Ra: <1 nm<\/p>\n

Single-side polishing, double-side polishing, grinding, and special surface treatments can be customized.<\/p>\n

\n

\"\"Typical Applications<\/h2>\n

Al\u2082O\u2083 ceramic substrates are widely used in:<\/p>\n

    \n
  • Semiconductor processing equipment<\/li>\n
  • Thick-film hybrid integrated circuits (HIC)<\/li>\n
  • Thin-film electronic devices<\/li>\n
  • LED heat dissipation substrates<\/li>\n
  • IGBT power modules<\/li>\n
  • Electronic insulation components<\/li>\n
  • Capacitors and sensors<\/li>\n
  • Vacuum electronic devices<\/li>\n
  • High-temperature industrial equipment<\/li>\n
  • Petrochemical systems<\/li>\n
  • Communication engineering equipment<\/li>\n
  • Precision industrial components<\/li>\n<\/ul>\n
    \n

    Standard Available Sizes<\/h2>\n

    Various standard and customized dimensions are available.<\/p>\n

    Square Substrates<\/strong><\/p>\n

      \n
    • 2″ \u00d7 2″<\/li>\n
    • 3″ \u00d7 3″<\/li>\n
    • 4″ \u00d7 4″<\/li>\n
    • 4.5″ \u00d7 4.5″<\/li>\n<\/ul>\n

      Round Ceramic Wafers<\/strong><\/p>\n

        \n
      • Multiple standard wafer sizes available<\/li>\n
      • Thickness options from 0.385 mm to 2.5 mm<\/li>\n
      • Custom dimensions supported<\/li>\n<\/ul>\n
        \n

        FAQ<\/h2>\n

        1. What is the difference between Al\u2082O\u2083 ceramic substrates and AlN ceramic substrates?<\/h3>\n

        Al\u2082O\u2083 and AlN are both commonly used ceramic substrate materials, but they differ in performance characteristics. Alumina offers excellent insulation, corrosion resistance, mechanical strength, and cost efficiency. Aluminum nitride provides significantly higher thermal conductivity and is often selected for high-power heat management applications. Alumina remains one of the most cost-effective choices for general electronic and semiconductor applications.<\/p>\n

        2. Can alumina ceramic substrates be customized?<\/h3>\n

        Yes. We support customized production according to customer drawings and technical requirements. Available options include:<\/p>\n

          \n
        • Customized thickness<\/li>\n
        • Precision holes and slots<\/li>\n
        • Special geometries<\/li>\n
        • Single or double-side polishing<\/li>\n
        • Laser machining<\/li>\n
        • Metallization services<\/li>\n
        • Semiconductor-grade surface processing<\/li>\n<\/ul>\n

          OEM and small-batch production are supported.<\/p>\n

          3. Why are alumina ceramic substrates widely used in semiconductor industries?<\/h3>\n

          Alumina ceramic substrates combine high electrical insulation, excellent chemical stability, strong mechanical properties, and reliable thermal performance. Their dense structure and smooth surface also help reduce contamination risks and improve process stability. These advantages make them widely used in semiconductor equipment, power electronics, LED packaging, and industrial electronic systems.<\/p>\n

          \n

          Why Choose Us<\/h2>\n
            \n
          • High purity raw materials<\/li>\n
          • Strict quality control process<\/li>\n
          • Precision machining capability<\/li>\n
          • Stable dimensional tolerance<\/li>\n
          • Fast production lead time<\/li>\n
          • OEM and custom design support<\/li>\n
          • Technical assistance from engineering team<\/li>\n<\/ul>\n

            We accept customized drawings and provide tailored ceramic solutions according to your project requirements.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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

            Al\u2082O\u2083 alumina ceramic substrate is one of the most widely used advanced ceramic materials in electronics, semiconductor processing, and industrial applications. With excellent electrical insulation, high mechanical strength, strong corrosion resistance, and stable thermal properties, alumina ceramic substrates provide an ideal solution for applications requiring reliability under demanding operating conditions.<\/p>","protected":false},"featured_media":2287,"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":[646],"product_tag":[498,499,501,500,508,450,378,503,344,113,422,506,509,507,222,502,504,505,379],"class_list":["post-2285","product","type-product","status-publish","has-post-thumbnail","product_cat-alumina-al2o3","product_tag-al2o3-ceramic-substrate","product_tag-alumina-ceramic-substrate","product_tag-aluminum-oxide-ceramic","product_tag-ceramic-substrate-wafer","product_tag-ceramic-wafer","product_tag-corrosion-resistant-ceramic","product_tag-electrical-insulation-ceramic","product_tag-electronic-ceramic-substrate","product_tag-high-purity-alumina","product_tag-high-temperature-ceramic","product_tag-industrial-ceramics","product_tag-led-ceramic-substrate","product_tag-polished-ceramic-substrate","product_tag-power-module-substrate","product_tag-precision-ceramic-substrate","product_tag-semiconductor-ceramic-substrate","product_tag-thick-film-substrate","product_tag-thin-film-substrate","product_tag-wear-resistant-ceramic","desktop-align-left","tablet-align-left","mobile-align-left","ast-product-gallery-layout-horizontal-slider","ast-product-tabs-layout-horizontal","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/www.xkh-ceramics.com\/pt\/wp-json\/wp\/v2\/product\/2285","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xkh-ceramics.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.xkh-ceramics.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/pt\/wp-json\/wp\/v2\/comments?post=2285"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/pt\/wp-json\/wp\/v2\/media\/2287"}],"wp:attachment":[{"href":"https:\/\/www.xkh-ceramics.com\/pt\/wp-json\/wp\/v2\/media?parent=2285"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/pt\/wp-json\/wp\/v2\/product_brand?post=2285"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/pt\/wp-json\/wp\/v2\/product_cat?post=2285"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.xkh-ceramics.com\/pt\/wp-json\/wp\/v2\/product_tag?post=2285"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}