
Sapphire glass sheet
1. Product Description
Material: Synthetic Sapphire
Shape: Circular Wafer
Application: Optical, Semiconductor, LED Substrates, etc.
2. Key Specifications
Parameter: Value
Diameter: 50.0 ±0.1 mm
Thickness: 3.0 ±0.05 mm
Surface Finish: Double-side polished (Ra ≤ 5 nm)
Crystallographic Orientation: C-plane (0001) [Customizable]
Edge Treatment: Chamfered (0.2 mm max)
3. Physical Properties
Density: 3.98 g/cm³
Hardness: 9.0 Mohs
Transmittance Range: 0.15–5.5 μm
Thermal Conductivity: 35 W/(m·K) @ 25°C
4. Quality Standards
Flatness: ≤ 1 μm/cm
Parallelism: ≤ 1 arcmin
Laser Marking: Optional (Lot ID/Custom text)
5. Packaging
Cleaning: Ultrasonic-cleaned, Class 100 cleanroom
Storage: Vacuum-sealed, anti-static container
6. Notes
Custom specifications (e.g., orientation, coatings, metrology reports) available upon request.
Compliance with RoHS & REACH standards.
For full technical data or bulk orders, refer to the source documentation or inquire directly.