US Patent 7566918 Nitride based transistors for millimeter wave operation

Patent 7566918 was granted and assigned to Cree Inc. on July, 2009 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Wolfspeed

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7566918

Date of Patent

July 28, 2009

Patent Application Number

11360876

Date Filed

February 23, 2006

Patent Primary Examiner

‌

Thien F. Tran

Patent abstract

Field effect transistors having a power density of greater than 5 W/mm when operated at a frequency of at least 30 GHz are provided. The power density of at least 5 W/mm may be provided at a drain voltage of 28 V. Transistors with a power density of at least 8 W/mm when operated at 40 GHz at a drain voltage of 28 V are also provided.