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China High-Temperature Sapphire Wafer Al2O3 Substrate 2-8 Inch Diameter 0.25-1mm Thickness for LED and Blue Laser for sale

High-Temperature Sapphire Wafer Al2O3 Substrate 2-8 Inch Diameter 0.25-1mm Thickness for LED and Blue Laser

Price Negotiable
Price: Negotiable
MOQ: 5 Pieces
Delivery Time: 1-4 weeks
Brand: CSIMC
Product Description
High-Performance Sapphire Wafer Overview
Premium sapphire (Al2O3) wafers engineered for demanding optoelectronic, semiconductor, and LED applications. These substrates deliver exceptional physical and optical properties, making them ideal for high-temperature infrared windows, blue lasers, and advanced electronic devices.
Key Advantages
  • Exceptional hardness and durability for harsh environments
  • Ultra-smooth surface finish for high-efficiency light transmission
  • Wide bandgap enables operation in high-temperature and high-radiation conditions
  • Available in multiple orientations, diameters (2-8 inches), and thicknesses (0.25-1mm)
  • Rigorous quality testing and inspection for industry compliance
Technical Specifications
Optical Properties
PropertyValue
Transmission Range0.17 to 5.5 microns
Refractive Index1.75449 (o) 1.74663 (e) at 1.06 microns
Reflection Loss11.7% (o-ray) / 14.2% (e-ray) at 1.06 microns
Index of Absorption0.3 × 10⁻³ cm⁻¹ at 2.4 microns
Physical Properties
PropertyValue
Density3.97 g/cm³
Melting Point2040°C
Thermal Conductivity27.21 W/(m·K) at 300K
HardnessKnoop 2000 kg/mm²
Young's Modulus335 GPa
Dimensional Specifications
ParameterSpecification
OrientationR-plane, C-plane, A-plane, M-plane or custom
Diameter Options2", 3", 4", 6", 8" or custom sizes
Thickness Options0.25mm, 0.33mm, 0.43mm, 0.65mm, 1mm or custom
Thickness Tolerance25μm
Product Images
High-temperature infrared window sapphire wafer Al2O3 substrate for LED applications Sapphire wafer optical properties and surface finish demonstration Sapphire wafer dimensional specifications and quality inspection Sapphire wafer manufacturing quality control process Sapphire wafer acceptance check and packaging standards
Handling & Shipping Instructions
  • Products are fragile and shipped with reinforced packaging and fragile labels
  • Inspect outer carton condition upon delivery and photograph before opening
  • Open vacuum packaging only in clean room environments
  • Immediately document and report any shipping damage with photos/video
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Company Hangzhou Freqcontrol Electronic Technology Ltd.
Location Room 1106, CIBC, No.198 Wuxing Rd, Hangzhou, P.R.China
Contact Person Xu

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