Al2O3 Substrate
Al2O3 crystal or Sapphire is a multi-function crystal materials with excellent properties: good thermos-stability, high thermal conductivity, high...
Al2O3 Substrate
Al2O3 crystal or Sapphire is a multi-function crystal materials with excellent properties: good thermos-stability, high thermal conductivity, high hardness, high transmission at infrared wavelength rang and excellent chemical stability. Sapphire is widely used in industrial, defense and security and scientific research fields. sapphire is also an important substrate materials for high temperature superconductivity ap...
- ManufacturerOST Photonics
- CategoryCrystal Wafer and Substrate
- Stock Items20 listed specifications
- Lead TimeQuoted per order
- CustomizationSize, orientation and surface finish to drawing
Al2O3 Substrate (Sapphire)
Al2O3 crystal or Sapphire is a multi-function crystal materials with excellent properties: good thermos-stability, high thermal conductivity, high hardness, high transmission at infrared wavelength rang and excellent chemical stability. Sapphire is widely used in industrial, defense and security and scientific research fields. sapphire is also an important substrate materials for high temperature superconductivity applications, it can be used for film growth of Y-series, La-series, and it is also used to grow the superconductivity film of MgB2.
OST Photonics offers high quality Al2O3 substrates for researchers and industries. Crystal orientation, size and thickness can be customized according to your requirements.
Features
Good thermos-stability
High thermal conductivity
High hardness
Applications
High temperature superconductivity film
IR window
Processing Capability
- Orientation: A-plane<11-20>, R-plane<1-102>, M-plane<10-10>, C-plane<0001>, etc.
- Dimension: 2”, 4”, 6”, 8”, 10x5mm, 10x10mm, 15x15mm, 20x15mm, 20x20mm, etc.
- Thickness: 0.43mm, 0.5mm, 0.65mm, 1.0mm, etc.
- Available items: wafers, substrates and customized products
Specification and Properties of Al2O3 Substrates
| Crystal Structure | Hexagonal | ||
| Lattice Constant | a=4.748Å, c=12.97Å | ||
| Density | 3.98 g/cm^3 | ||
| Melt Point | 2040 ℃ | ||
| Growth Method | Czochralski, Kyropoulos | ||
| Mohs Hardness | 9 Mohs | ||
| Refractive Index (300K) | ∥c, 1.762 @630nm⊥c, 1.770 @630nm | ||
| Thermal Expansion | 5.8 ×10-6/K | ||
| Thermal Conductivity (K/(°cm.s)) | ⊥c | //c | |
| 23℃, 0.055 | 26℃, 0.06 | ||
| 77℃, 0.040 | 70℃, 0.041 | ||
| Loss Tangent at 293K | 1×10^-4 (1MHz) | ||
| Dielectric Constant at 103-109Hz @25℃ | ∥c, 11.5⊥c, 9.3 | ||
| Transmittance | 80%@ 400~4000nm | ||
| Orientation | A-plane | <11-20> | 2.379 Å |
| R-plane | <1-102> | 1.740 Å | |
| M-plane | <10-10> | 1.375 Å | |
| C-plane | <0001> | 2.165 Å | |
| Orientation Tolerance | ±0.5° or better | ||
| Dimensions | 2”, 4”, 6”, 8”, 10x5mm, 10x10mm, 15x15mm, 20x15mm, 20x20mm, etc. | ||
| Dimension Tolerance | ±0.1 mm or better | ||
| Thickness | 0.43mm, 0.5mm, 0.65mm, 1.0mm, etc. | ||
| Thickness Tolerance | ±0.05 mm or better | ||
| Surface Finish | Single side polished (SSP)/Double sides polished (DSP) | ||
| Surface Roughness | Ra<5Å (5×5μm) | ||
| Package | Class 100 clean bag, Class 1000 super clean room |
Available Al2O3 Substrate Items
The following specifications are listed on our original catalogue. Custom dimensions, orientations and surface finishes are produced to your drawing.
| 5 mm x 5 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (0001), Double Sides Polished (50 Pieces) | View |
| 5 mm x 5 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (0001), Single Side Polished (50 Pieces) | View |
| 5 mm x 5 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (1-100), Double Sides Polished (50 Pieces) | View |
| 5 mm x 5 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (1-100), Single Side Polished (50 Pieces) | View |
| 5 mm x 5 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (1-102), Double Sides Polished (50 Pieces) | View |
| 5 mm x 5 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (1-102), Single Side Polished (50 Pieces) | View |
| 5 mm x 5 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (11-20), Double Sides Polished (50 Pieces) | View |
| 5 mm x 5 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (11-20), Single Side Polished (50 Pieces) | View |
| 10 mm x 10 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (0001), Double Sides Polished (20 Pieces) | View |
| 10 mm x 10 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (0001), Single Side Polished (20 Pieces) | View |
| 10 mm x 10 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (1-100), Double Sides Polished (20 Pieces) | View |
| 10 mm x 10 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (1-100), Single Side Polished (20 Pieces) | View |
| 10 mm x 10 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (1-102), Double Sides Polished (20 Pieces) | View |
| 10 mm x 10 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (1-102), Single Side Polished (20 Pieces) | View |
| 10 mm x 10 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (11-20), Double Sides Polished (20 Pieces) | View |
| 10 mm x 10 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (11-20), Single Side Polished (20 Pieces) | View |
| Diameter 50.8 mm x 0.43 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (0001), Double Sides Polished (25 Pieces) | View |
| Diameter 50.8 mm x 0.43 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (0001), Single Side Polished (25 Pieces) | View |
| Diameter 100 mm x 0.65 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (0001), Double Sides Polished (25 Pieces) | View |
| Diameter 100 mm x 0.65 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (0001), Single Side Polished (25 Pieces) | View |
Other Crystal Wafer and Substrate Materials
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