Sapphire ingot dia 4inch× 80mm Monocrystalline Al2O3 99.999% Single Crystal
Product Description
The Sapphire Ingot, made of 99.999% pure aluminum oxide (Al₂O₃), is a premium single-crystal material with a diameter of 4 inches and a length of 80mm. Its exceptional properties make it ideal for applications in optics, electronics, aerospace, and luxury goods. With high optical transparency across a wide wavelength range (150nm to 5500nm), exceptional hardness (Mohs 9), and superior thermal and chemical resistance, it is widely used in lenses, optical windows, semiconductor substrates, missile domes, and scratch-resistant watch glasses. These attributes ensure reliability and durability in demanding environments, from high-temperature industrial processes to precision-engineered devices.
The monocrystalline structure ensures uniformity and consistent mechanical and thermal performance, making this sapphire ingot a top choice for cutting-edge technologies. Whether enabling high-precision optics, supporting advanced electronics, or offering resilience in harsh conditions, sapphire's unique combination of strength, stability, and optical clarity makes it an indispensable material for a wide range of industries.
Ingot of other sizes
Material |
Diameter of Ingot |
Ingot Length |
Defect (pore, chip, twin, etc.) |
EPD |
Surface Orientation |
Surface |
Primary and Secondary Flats |
Sapphire Ingot | 3 ± 0.05 inch | 25 ± 1 mm | ≤10% | ≤1000/cm² | (0001) (on-axis: ±0.25°) | As cut | Required |
Sapphire Ingot | 4 ± 0.05 inch | 25 ± 1 mm | ≤10% | ≤1000/cm² | (0001) (on-axis: ±0.25°) | As cut | Required |
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