US Patent 7928507 Polysilicon control etch-back indicator
Patent 7928507 was granted and assigned to Alpha & Omega Semiconductor on April, 2011 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
December 9, 2009
Date of Patent
April 19, 2011
Patent Application Number
12653130
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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