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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