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Sapphire Substrate
Sapphire Substrate is a high-quality single-crystal aluminum oxide (Al2O3) wafer that offers excellent hardness, thermal stability, and chemical resistance. It is widely used as a foundation for LED devices, semiconductor wafers, and high-performance electronic components, providing a stable and reliable platform for thin-film deposition and microfabrication. Its optical transparency also makes it suitable for optical applications and precision instrumentation. We can supply high-quality Sapphire Substrate with various specifications and competitive prices, offering customized solutions to meet specific requirements.
Or email us at sales@heegermaterials.com.Sapphire Substrate Data Sheet
| Density | 3.97–4.1 g/cm3 |
| Materials | AI2O3 |
| Melting Point | 2045 ℃ |
| Diameter | 2-inch, 4-inch, and 6-inch standard diameters, or customized |
| Thick | 100μm, 280μm, 300μm, 350μm, 430μm, 500μm, 650μm, 1mm or customized |
Sapphire Substrate Description
Sapphire Substrate is made from premium single-crystal Al2O3, delivering superior mechanical strength, thermal endurance, and chemical inertness. It is commonly used in LED manufacturing, power electronics, and microelectronics, providing a smooth and stable surface for epitaxial growth and device fabrication. Its durability and optical clarity also support applications in optics and high-precision instruments.
Sapphire Substrate Specifications
| Item | Specification |
|---|---|
| Dimensions | 6 inch (150/159 mm) / 4 inch (100/104 mm) (Diameter tolerance ±0.05 mm) |
| Thickness | 1 mm / 0.7 mm (Thickness tolerance ±0.002 mm) |
| Parallelism | 10″ |
| Thickness Uniformity | <2 μm @ 25 pcs |
| Surface Quality | 80/50 |
| Surface Flatness | PV: RMS ≤1/4λ @ 632.8 nm |
| Coating | None |
| Packaging | Tray or clean cassette packaging |
Sapphire Infrared Transmittance at Different Thicknesses
Standard Grade Vs. Custom Grade UV Band Transmittance
Sapphire Substrate Key Features
- High Hardness: Offers excellent scratch and wear resistance for long-lasting performance.
- Thermal Stability: Maintains structural integrity under high-temperature processing.
- Chemical Resistance: Resistant to acids, alkalis, and corrosive chemicals.
- Optical Transparency: Suitable for optical and photonic applications.
- Precision Surface: Smooth, defect-free surface ideal for epitaxial growth and device fabrication.
Sapphire Substrate Applications
- LED Manufacturing: Serves as the base for high-brightness LED devices.
- Semiconductor Devices: Provides a stable platform for microelectronic components and wafer fabrication.
- Optical Devices: Used in lenses, windows, and laser systems due to their transparency and durability.
- High-Temperature Electronics: Ideal for devices operating under extreme thermal conditions.
- Precision Instruments: Supports sensors, measurement tools, and scientific equipment requiring a smooth, stable substrate.
Sapphire Material Properties
Sapphire Products Packaging
Sapphire Products are typically packaged in vacuum-sealed bags to prevent moisture or contamination and wrapped with foam to cushion vibrations and impacts during transport, ensuring the quality of products in their original condition.
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