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Sapphire Crystals

Sapphire crystals refer to a transparent, single-crystal form of aluminum oxide (Al2O3) known as corundum. It is one of the hardest known materials, second only to diamond on the Mohs scale of mineral hardness. Due to its exceptional hardness and scratch resistance, sapphire crystal is commonly used as a durable and protective material in various applications, particularly in optical and electronic devices. Learn more about sapphire crystal →

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Valley Design Corp., Headquarters - Shirley, MA

AS9100/ISO 9001 manufacturer of substrates, wafers, flat optics, precision shims/spacers, 0.127-mm sq to 450-mm diameter. Precision lapping, polishing, dicing, 5-axis CNC machining, small diameter core drilling, hole drilling. Ultrathin 10-20 microns, ultraflat, tight tolerances. Fused silica, glass, sapphire, ceramics, metals. Large inventory.

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Glossary

sapphire
sapphire Sapphire refers to a crystalline form of aluminum oxide (Al2O3) that is used in various optical and photonic applications due to its exceptional optical, mechanical, and thermal properties. Sapphire is transparent over a wide range of wavelengths,...
crystal A solid with a structure that exhibits a basically symmetrical and geometrical arrangement. A crystal may already possess this structure, or it may acquire it through mechanical means. More than 50 chemical substances are important to the optical...
sapphire crystal Sapphire crystal refers to a transparent, single-crystal form of aluminum oxide (Al2O3) known as corundum. It is one of the hardest known materials, second only to diamond on the Mohs scale of mineral hardness. Due to its exceptional hardness and...

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