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4-inch C-Plane SSP Sapphire Substrate Al₂O₃ for LED & Optical Applications

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November 20, 2025
Conexão de Categoria: Bolacha da safira
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#vidro feito sob encomenda da safira #carcaça da safira #sistema ótico da safira
Resumo: Watch this overview to discover why many professionals pay attention to this approach. This video showcases the 4-inch C-Plane SSP Sapphire Substrate Al₂O₃, highlighting its high-purity monocrystalline structure, exceptional mechanical strength, and thermal stability. Learn how it's ideal for epitaxial growth in LED, laser diode, and optical applications.
Características do produto relacionadas:
  • High-purity single-crystal sapphire (Al₂O₃) with C-plane orientation (0001) and tight ±0.3° tolerance.
  • Single side polished (SSP) surface with front Ra < 0.2 nm for superior smoothness.
  • Excellent flatness and low bow (<15 µm) ensuring high precision in applications.
  • High thermal and chemical stability, suitable for harsh environments.
  • Customizable axis, diameter, and thickness to meet specific client requirements.
  • Optical transparency ranging from 190 nm to 5500 nm, ideal for diverse optical uses.
  • Mohs hardness of 9, offering exceptional scratch resistance and durability.
  • Widely used in GaN LED substrates, laser diode substrates, and high-precision optoelectronics.
FAQ:
  • What is the difference between SSP and DSP sapphire wafers?
    SSP is single side polished, suitable for epitaxial growth on the polished side; DSP is double side polished, providing ultra-flat surfaces on both sides for high-end optical applications.
  • Can the wafer be customized?
    Yes, we accept custom diameters, thicknesses, and axis orientation according to client specifications.
  • What are common applications for 4-inch C-plane sapphire wafers?
    They are widely used for GaN LED substrates, laser diode substrates, IR windows, SOS devices, and other high-precision optoelectronic or semiconductor applications.
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