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Sapphire Crystal | Al2O3 Crystal
HM2811
New product
Sapphire (Al2O3) Crystal is a high-performance material with exceptional hardness, thermal stability, and optical transparency. It is widely used in optics, electronics, and laser systems. Heeger Materials (HM) provides high-quality Sapphire Crystals for advanced scientific and industrial applications.
Please contact us if you need customized services. We will contact you with the price and availability in 24 hours.
Data sheet
| Density | 3.98 g/cm3 |
| Materials | AI2O3 |
| Melting Piont | 2040 ℃ |
More info
Sapphire (Al2O3) Crystal is a versatile material with exceptional hardness, thermal stability, and broad optical transparency from UV to IR. Due to its durability and scratch resistance, Sapphire crystal is widely used in optical windows, lenses, and substrates for LEDs and laser systems. Sapphire crystals are also ideal for high-temperature and harsh environment applications, including semiconductor wafers and protective covers. HM provides high-quality Sapphire Crystals, ensuring reliability and performance for cutting-edge technologies.
Sapphire Crystal | Al2O3 Crystal Selection Notes
Sapphire Crystal | Al2O3 Crystal belongs to the infrared crystal range and is selected for controlled crystal composition, orientation, optical transmission range, dimensions and surface or coating quality. It is commonly used in infrared windows, lenses, spectroscopy, thermal imaging, laser systems, optical research and precision infrared components. When requesting a quote, confirm crystal composition or grade, orientation, dimensions, transmission or wavelength range, surface quality, flatness or parallelism, coating, edge treatment, documentation and quantity.
Related Materials and Product Forms
For material comparison or adjacent product forms, browse infrared crystals, photoelectric crystals and crystals and substrates.
FAQ
What infrared optical details are needed for Sapphire Crystal | Al2O3 Crystal? Please provide grade or composition, orientation, dimensions, wavelength range, surface quality, flatness or parallelism, coating, edge treatment, documentation, quantity and intended infrared application.
Sapphire Crystal Properties
Crystal System | Hexagonal | ||
Unit Cell Constants | a=4.748Å, c=12.97Å | ||
Density | 3.98 g/cm³ | ||
Melting Point | 2040 ℃ | ||
Mohs Hardness | 9 | ||
Thermal Expansion Coefficient | 7.5 x 10⁻⁶ /℃ | ||
Thermal Conductivity (cal/cm·s·°C) | ⊥c | //c | |
23℃ 0.055 | 26℃ 0.060 | ||
77℃ 0.040 | 70℃ 0.041 | ||
Dielectric Constant | ~9.4 @300K (A axis) <br> ~11.58 @ 300K (C axis) | ||
Sapphire Crystal Specifications
Crystal Orientation | A-plane | <11-20> | 2.379A |
R-plane | <1-102> | 1.740A | |
M-plane | <10-10> | 1.375A | |
C-plane | <0001> | 2.165A | |
Orientation Tolerance | ±0.5° | ||
Standard Dimensions & Tolerances | 10×3, 10×5, 10×10, 15×15, 20×15, 20×20 | ||
Standard Thickness | 0.5mm, 1.0mm | ||
Polishing | Single-sided or double-sided | ||
Surface Roughness | Ra < 5Å (5×5μm) | ||
Sapphire Crystal Applications
- Optical Windows: Employed in high-durability windows for lasers, cameras, and sensors due to its scratch resistance and transparency.
- LED Substrates: Used as substrates for LED and semiconductor devices for their thermal stability and electrical insulation.
- Laser Components: Applied in laser systems as lenses, mirrors, and output couplers for their high optical performance.
- Watch Crystals: Integrated into luxury watches and protective covers for its hardness and clarity.
- Aerospace and Defense: Utilized in harsh environment applications, such as missile domes and sensor windows, for its durability and thermal resistance.
Sapphire Crystal Packing And Shipping
Sapphire (Al2O3) Crystal will be securely packaged in sturdy containers with cushioning materials to prevent movement or damage during shipping. This careful packaging ensures that the product arrives in perfect condition, maintaining its high-quality standards throughout the delivery process.
Where to Buy Sapphire Crystal in Bulk?
Heeger Materials Inc., a professional supplier and manufacturer of high-quality Infrared Crystals products including Sapphire (Al2O3) Crystal, leverages extensive expertise in supply and export to offer competitive prices. We provide customized solutions to meet specific requirements, ensuring exceptional quality and customer satisfaction.
Heeger Materials Inc. was established in 2016 in Colorado, USA. We specialize in premium-grade metals, alloys, ceramics, powders, and other materials catering to research, development, and large-scale industrial production in scientific and industrial sectors.
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