The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 19, 2017
Filed:
Jun. 27, 2013
Cree, Inc., Durham, NC (US);
Saptharishi Sriram, Cary, NC (US);
Terry Alcorn, Cary, NC (US);
Fabian Radulescu, Chapel Hill, NC (US);
Scott Sheppard, Chapel Hill, NC (US);
CREE, INC., Durham, NC (US);
Abstract
A transistor device including a field plate is described. One embodiment of such a device includes a field plate separated from a semiconductor layer by a thin spacer layer. In one embodiment, the thickness of spacer layer separating the field plate from the semiconductor layers is less than the thickness of spacer layer separating the field plate from the gate. In another embodiment, the non-zero distance separating the field plate from the semiconductor layers is about 1500 Å or less. Devices according to the present invention can show capacitances which are less drain bias dependent, resulting in improved linearity.