Sapphire Wafer Processing

Sapphire substrates for LED (GaN) light-emitting diodes are contributing to energy savings, and the volume of sapphire wafers had increased dramatically.

Basal Plane Sapphire Substrates with one or both surfaces polished are useful for the growth of lll-V and ll-Vl compoounds, such as GaN, for bright blue and green LED and laser diodes.  Other applications include mercury cadmium telluride for infrared detector applications.


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