They filed for this Patent in December. I thought that they might have already filed for this one.
GTAT Corporation GTAT Corporation Patent applications Patent application number Title Published 20140355126 MOBILE ELECTRONIC DEVICE COVER PLATE COMPRISING A THIN SAPPHIRE LAYER - An electronic device comprising a cover plate is disclosed. The cover plate comprises one or more thin sapphire layers having a thickness of from about 50 microns to about 500 microns. Also disclosed are methods for preparing these thin sapphire layers. 12-04-2014
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