6inch sapphire Boule sapphire blank single crystal Al2O3 99.999%

Short Description:

Our 6-inch Sapphire Boule is a high-purity (99.999%) single crystal Al₂O₃ blank, expertly crafted to meet demanding standards in various industrial and scientific applications. With exceptional hardness, chemical resistance, and thermal stability, this sapphire blank serves as a reliable base material for industries requiring precision and durability, such as semiconductor manufacturing, optics, and advanced research.

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Applications

The 6-inch sapphire boule blank finds applications across a range of high-performance environments:

●Semiconductor Industry: Ideal as a substrate for LED, GaN, and other advanced semiconductor manufacturing processes due to its compatibility and thermal conductivity.

●Optical Components: Used in high-end optical windows, lenses, and prisms, offering exceptional transparency in the UV, visible, and IR spectra.

●Research and Development: Essential in high-stress experimental setups, such as laser cavities and microwave windows, where material integrity under thermal and chemical stress is crucial.

●Medical and Aerospace: Suitable for use in sensors, protective covers, and windows that demand superior hardness and corrosion resistance.

Properties

● Purity: 99.999% pure Al₂O₃, ensuring minimal impurities for optimal performance in sensitive applications.

● Hardness: Mohs scale hardness of 9, second only to diamond, providing exceptional scratch and impact resistance.

● Thermal Stability: High melting point (>2,000°C) with excellent thermal conductivity, making it ideal for high-temperature environments.

● Chemical Resistance: Highly resistant to most chemicals, including acids and alkalis, ensuring longevity in corrosive environments.

● Optical Clarity: Superior transmission across UV, visible, and IR wavelengths, ensuring clarity in optical applications.

Property	Specification
Material	Single Crystal Sapphire (Al₂O₃)
Purity	99.999%
Diameter	6 inches
Hardness	9 (Mohs scale)
Density	3.98 g/cm³
Melting Point	> 2,000°C
Thermal Conductivity	35 W/m·K (at 25°C)
Thermal Expansion Coefficient	5.0 x 10⁻⁶ /K (25°C - 1300°C range)
Chemical Stability	Highly resistant to acids and alkalis
Optical Transmission	Excellent (UV, Visible, IR range)
Refractive Index	1.76 (in the visible range)