{"id":2858,"date":"2026-05-20T02:43:13","date_gmt":"2026-05-20T02:43:13","guid":{"rendered":"https:\/\/www.fuyao-quartz.com\/?post_type=product&p=2858"},"modified":"2026-05-20T02:48:41","modified_gmt":"2026-05-20T02:48:41","slug":"alumina-ceramic-heat-sink-plate-310x310-mm-high-purity-al%e2%82%82o%e2%82%83-thermal-substrate","status":"publish","type":"product","link":"https:\/\/www.fuyao-quartz.com\/fr\/product\/alumina-ceramic-heat-sink-plate-310x310-mm-high-purity-al%e2%82%82o%e2%82%83-thermal-substrate\/","title":{"rendered":"Alumina Ceramic Heat Sink Plate 310\u00d7310 mm High Purity Al\u2082O\u2083 Thermal Substrate"},"content":{"rendered":"

\"\"The 310\u00d7310 mm Alumina Ceramic Heat Sink Plate is a high-performance thermal management substrate manufactured from high-purity Al\u2082O\u2083 (Aluminum Oxide) ceramic material. Designed for applications that require both efficient heat transfer and electrical insulation, this large-format ceramic plate delivers exceptional performance under demanding industrial environments.<\/p>\n

As power density continues to increase in semiconductor devices and electronic systems, conventional metal heat sinks often encounter limitations due to electrical conductivity, thermal expansion, and long-term stability issues. Alumina ceramic solves these challenges by combining stable thermal conductivity, excellent dielectric properties, corrosion resistance, and mechanical reliability in a single material platform.<\/p>\n

Unlike traditional metal cooling plates, alumina ceramic can function as both a heat dissipation component and an insulating structure, reducing assembly complexity and improving system reliability.<\/p>\n

With its large 310\u00d7310 mm format and precision processing capability, this ceramic plate is suitable for applications requiring wide thermal distribution areas and high structural stability.<\/p>\n

\n

\n

Why Choose Alumina Ceramic Heat Sink Plates?<\/h2>\n

\"\"Advanced ceramic materials have become increasingly important in modern electronics and semiconductor manufacturing. Alumina ceramic remains one of the most widely adopted engineering ceramics due to its balance between performance and cost.<\/p>\n

Key benefits include:<\/p>\n

\u2714 Efficient thermal conductivity for heat transfer applications<\/p>\n

\u2714 Excellent electrical insulation performance<\/p>\n

\u2714 Stable operation under elevated temperatures<\/p>\n

\u2714 High hardness and wear resistance<\/p>\n

\u2714 Superior corrosion resistance in harsh environments<\/p>\n

\u2714 Low thermal expansion coefficient for dimensional stability<\/p>\n

\u2714 Precision-ground surfaces for high-flatness requirements<\/p>\n

\u2714 Long service life with minimal performance degradation<\/p>\n

Compared with traditional metallic materials, alumina ceramic can significantly reduce electrical risks while maintaining reliable thermal performance.<\/p>\n

\n

Material Options Available<\/h2>\n

Different application environments require different purity grades. Multiple Al\u2082O\u2083 compositions are available.<\/p>\n

\n
\n\n\n\n\n\n\n\n
Material Grade<\/th>\nFeatures<\/th>\nApplications typiques<\/th>\n<\/tr>\n<\/thead>\n
95% Al\u2082O\u2083<\/td>\nEconomical industrial material<\/td>\nGeneral thermal management<\/td>\n<\/tr>\n
96% Al\u2082O\u2083<\/td>\nImproved mechanical properties<\/td>\nElectronic assemblies<\/td>\n<\/tr>\n
99% Al\u2082O\u2083<\/td>\nHigh purity and enhanced insulation<\/td>\nSemiconductor equipment<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

For semiconductor and precision systems, higher purity grades are generally preferred due to improved electrical and thermal stability.<\/p>\n

\n

Sp\u00e9cifications techniques<\/h2>\n
\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Objet<\/th>\nSp\u00e9cifications<\/th>\n<\/tr>\n<\/thead>\n
Mat\u00e9riau<\/td>\nAlumina Ceramic (Al\u2082O\u2083)<\/td>\n<\/tr>\n
Dimensions<\/td>\n310 \u00d7 310 mm<\/td>\n<\/tr>\n
\u00c9paisseur<\/td>\n0.5\u201310 mm Customizable<\/td>\n<\/tr>\n
Densit\u00e9<\/td>\n3.6\u20133.9 g\/cm\u00b3<\/td>\n<\/tr>\n
Conductivit\u00e9 thermique<\/td>\n20\u201330 W\/m\u00b7K<\/td>\n<\/tr>\n
Rigidit\u00e9 di\u00e9lectrique<\/td>\n\u226510\u201315 kV\/mm<\/td>\n<\/tr>\n
Volume Resistivity<\/td>\n\u226510\u00b9\u2074 \u03a9\u00b7cm<\/td>\n<\/tr>\n
R\u00e9sistance \u00e0 la flexion<\/td>\n\u2265300\u2013350 MPa<\/td>\n<\/tr>\n
Duret\u00e9<\/td>\n\u226580 HRA<\/td>\n<\/tr>\n
Rugosit\u00e9 de surface<\/td>\nRa \u22640.4\u20130.8 \u03bcm<\/td>\n<\/tr>\n
Plan\u00e9it\u00e9<\/td>\n\u22640.05\u20130.10 mm<\/td>\n<\/tr>\n
Color<\/td>\nWhite \/ Ivory<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

Customized dimensions and engineering tolerances are available.<\/p>\n

\n

Typical Application Areas<\/h2>\n

Semiconductor Equipment<\/h3>\n

Semiconductor systems require highly stable materials capable of operating under vacuum, high temperature, and electrically sensitive environments.<\/p>\n

Les applications comprennent<\/p>\n

    \n
  • Wafer support fixtures<\/li>\n
  • Process chamber platforms<\/li>\n
  • Semiconductor carriers<\/li>\n
  • Precision support structures<\/li>\n<\/ul>\n
    \n

    Power Electronics<\/h3>\n

    Power devices continuously generate concentrated thermal loads.<\/p>\n

    Suitable applications include:<\/p>\n

      \n
    • IGBT modules<\/li>\n
    • MOSFET cooling systems<\/li>\n
    • Power conversion systems<\/li>\n
    • High-voltage equipment<\/li>\n<\/ul>\n
      \n

      LED Heat Dissipation Systems<\/h3>\n

      Large-area ceramic heat sinks improve thermal spreading and increase service life in:<\/p>\n

        \n
      • High-power LED lighting<\/li>\n
      • Industrial illumination modules<\/li>\n
      • Electronic display systems<\/li>\n<\/ul>\n
        \n

        RF and Microwave Equipment<\/h3>\n

        Alumina ceramic provides both dielectric stability and thermal management for:<\/p>\n

          \n
        • RF power devices<\/li>\n
        • Microwave systems<\/li>\n
        • Communication equipment<\/li>\n<\/ul>\n
          \n

          Precision Customization Services<\/h2>\n

          Custom ceramic fabrication is available according to drawings and technical requirements.<\/p>\n

          \"\"Processing capabilities include:<\/p>\n

            \n
          • Custom dimensions<\/li>\n
          • Thickness adjustment<\/li>\n
          • Usinage CNC<\/li>\n
          • Laser cutting<\/li>\n
          • Precision drilling<\/li>\n
          • Slot processing<\/li>\n
          • Surface polishing<\/li>\n
          • Lapping<\/li>\n
          • M\u00e9tallisation<\/li>\n<\/ul>\n

            Optional metallization:<\/p>\n

              \n
            • Silver (Ag)<\/li>\n
            • Gold (Au)<\/li>\n
            • Nickel (Ni)<\/li>\n<\/ul>\n

              Semiconductor-grade flatness processing is also available.<\/p>\n

              OEM and custom production supported.<\/p>\n

              \n

              Strict Quality Control<\/h2>\n

              Every ceramic heat sink plate undergoes comprehensive quality inspection:<\/p>\n

              \u2714 Dimensional verification<\/p>\n

              \u2714 Surface inspection<\/p>\n

              \u2714 Flatness testing<\/p>\n

              \u2714 Crack detection<\/p>\n

              \u2714 Edge quality evaluation<\/p>\n

              Products are packaged using shock-resistant materials and export-grade packaging to ensure safe international transportation.<\/p>\n

              \n

              Questions fr\u00e9quemment pos\u00e9es<\/h2>\n

              Is alumina ceramic better than aluminum heat sinks?<\/h3>\n

              Although aluminum has higher thermal conductivity, alumina ceramic offers significantly better insulation performance and environmental resistance, making it ideal for high-voltage and semiconductor applications.<\/p>\n

              Can custom holes, slots, or shapes be manufactured?<\/h3>\n

              Yes. Customized CNC machining, drilling, laser cutting, and special geometries are available according to customer drawings.<\/p>\n

              Can the ceramic plate operate under repeated heating cycles?<\/h3>\n

              High-purity alumina ceramics maintain excellent dimensional stability and mechanical properties under repeated thermal cycling.<\/p>","protected":false},"excerpt":{"rendered":"

              The 310\u00d7310 mm Alumina Ceramic Heat Sink Plate is a high-performance thermal management substrate manufactured from high-purity Al\u2082O\u2083 (Aluminum Oxide) ceramic material. Designed for applications that require both efficient heat transfer and electrical insulation, this large-format ceramic plate delivers exceptional performance under demanding industrial environments.<\/p>","protected":false},"featured_media":2859,"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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