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sapphire wafer

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July 19, 2024
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sapphire wafer
Tags:
#custom sapphire glass #sapphire substrate #sapphire optics
Brief: Discover the exceptional 2-inch sapphire wafer, made from high-purity monocrystalline Al2O3. With a diameter of 50.80mm and thickness of 430um, this A-plane (11-20) wafer offers unmatched hardness, thermal stability, and optical clarity. Ideal for LED manufacturing, semiconductors, and optical applications.
Related Product Features:
  • Made from single-crystal aluminium oxide (Al2O3) with 99.999% purity.
  • Exceptional hardness rating of 9 on the Mohs scale, ensuring scratch resistance.
  • High thermal stability with a melting point of 2040°C and low thermal expansion.
  • Excellent electrical insulating properties with resistivity above 10^14 Ω*cm.
  • Precisely polished to achieve surface roughness (Ra) of 0.8-1.2 um for superior optical performance.
  • Available in 2-inch diameter with A-plane (11-20) crystallographic orientation.
  • Double side polished with epi-polished surfaces for high-quality applications.
  • Customizable options include varying diameters, orientations, and surface finishes.
Faqs:
  • How are sapphire wafers manufactured?
    Sapphire wafers are produced using the Czochralski process, where a seed crystal is dipped into molten aluminium oxide and slowly pulled out while rotating to form a large boule, which is then sliced into thin wafers.
  • How should sapphire wafers be handled and stored?
    Handle with clean gloves to avoid contamination and store in a clean, dry environment. Use protective cases to prevent damage and moisture absorption.
  • What are the environmental and safety considerations for sapphire wafer production?
    Production involves high temperatures and energy consumption, requiring waste management and energy efficiency. Safety protocols are necessary due to high temperatures and material brittleness.
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