AL2O3 Sapphire tube polishing components for chemical vapor deposition (CVD) reaction chambers
Product description
Sapphire is a single crystal alumina crystal, with pressure and wear resistance (Mohs hardness level 9, second only to diamond), corrosion resistance (under normal conditions do not react with acid and alkali, of course, will not be corroded), high temperature resistance (operating temperature up to 1600℃, melting point 2050℃), and has the full spectrum transmission ability from ultraviolet to mid-infrared. Both optical properties and physical and chemical properties have incomparable advantages over other glass-like materials.
Sapphire tube is a tubular structure that can be used in a variety of applications. It can be used as a component of a chemical vapor deposition (CVD) reaction chamber to withstand high temperature and chemically corrosive environments. Sapphire tubes can also be used in high voltage optical Windows, fiber couplers and other special applications.
Product parameter
| Crystal Material | Monocrystalline Al2O3 |
| Index of Refraction | 1.762 |
| Transmittance | 86%(280-3500nm) |
| Density | 3.97 g/cm3 |
| Hardness | Mohs: 9 |
| Melting Point | 2040°C |
| Purity | 99.9% |
| Electrical resistivity | >1016Ω/cm |
Product display
Product advantage
- High hardness: The hardness of sapphire tubes is second only to diamond, and Sapphire tube has excellent scratch and wear resistance. This allows it to maintain surface finish and transparency for a long time in harsh environments.
- High transparency: Sapphire tubes have excellent optical transparency, capable of transmitting visible and near-infrared light. Sapphire tubes allows it to provide high quality optical transmission and imaging performance in optical applications.
- Optical properties: Sapphire tubes have excellent optical properties, including high transparency, low optical scattering and low absorptivity. This allows it to provide high-quality light propagation and less light energy loss in optical transmission and imaging applications.
- Wide spectral range: Sapphire tubes have excellent transparency in the visible and near infrared spectral ranges. Sapphire tube is able to efficiently transmit light from ultraviolet to near infrared, Sapphire tubes giving it a wide range of applicability in a variety of optical and laser applications.
- Wear resistance: Sapphire tubes has excellent wear resistance and can resist surface damage caused by scratching and wear. This makes it excellent in applications that require long-term stability and durability.
In general, sapphire tubes are widely used in high-end fields such as laser technology, optics and semiconductor manufacturing due to their excellent hardness, optical properties and chemical stability, providing key functional components for these industries.
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