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| ブランド名: | ZMSH |
| MOQ: | 10 |
| 配達時間: | 2〜4週間 |
| 支払条件: | T/T |
The Double Side Polished Sapphire Substrate (DSP) is fabricated from high-purity (>99.99%) single crystal aluminum oxide (Al₂O₃). With both sides precision polished to atomic-level smoothness (Ra < 0.3 nm), this material offers excellent optical transparency, mechanical strength, and thermal stability. It is widely used in optical windows, laser components, semiconductor epitaxy, and scientific research applications.
| Parameter | Specification |
|---|---|
| Material | High Purity >99.99%, Single Crystal Al₂O₃ |
| Dimension | 10 × 10 mm |
| Thickness | 1 mm (other thicknesses available upon request) |
| Orientation | C-plane (0001) to M (1-100) 0.2° ± 0.1° off |
| Lattice Parameter | a = 4.785 Å, c = 12.991 Å |
| Density | 3.98 g/cm³ |
| Thermal Expansion Coefficient | 6.66×10⁻⁶ /°C (‖C-axis), 5×10⁻⁶ /°C (⊥C-axis) |
| Dielectric Strength | 4.8×10⁵ V/cm |
| Dielectric Constant | 11.5 (‖C-axis), 9.3 (⊥C-axis) @ 1 MHz |
| Dielectric Loss Tangent | < 1×10⁻⁴ |
| Thermal Conductivity | 40 W/(m·K) at 20°C |
| Surface Quality | Double Side Polished (DSP), Ra < 0.3 nm (AFM) on both sides |
| Flatness | ≤ λ/10 @ 633 nm (typical) |
| Parallelism | < 10 arc sec |
Double-side optical polish for excellent flatness and parallelism
High transparency from UV to IR regions
Superior hardness (Mohs 9) and scratch resistance
Outstanding thermal and chemical stability
Excellent dielectric and insulating performance
Custom sizes and orientations available upon request
Optical windows and protective covers
Infrared and UV spectroscopy
Laser optics and photonics components
GaN/AlN epitaxial growth substrate
High-power and RF electronic devices
Research laboratories and semiconductor testing
