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As grown Sapphire crystal boule Sapphire ingot optical device manufacturing

sapphire glass
April 02, 2025
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Sapphire Crystal Boule (Sapphire crystal material) is a synthetic single crystal alumina (α-Al₂O₃), It is usually grown by Czochralski (CZ) or Heat exchange Method (HEM). Because of its extremely high hardness (Mohs hardness 9, second only to diamond), excellent light transmission (ultraviolet to infrared band) and excellent chemical stability, sapphire is widely used in high-end optics, semiconductors, consumer electronics and industrial fields.