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:
Feb. 26, 2013
Filed:
Nov. 15, 2007
Applicants:
Adrian Powell, Cary, NC (US);
Mark Brady, Carrboro, NC (US);
Stephan G. Mueller, Durham, NC (US);
Valeri F. Tsvetkov, Gasburg, VA (US);
Robert T. Leonard, Raleigh, NC (US);
Inventors:
Adrian Powell, Cary, NC (US);
Mark Brady, Carrboro, NC (US);
Stephan G. Mueller, Durham, NC (US);
Valeri F. Tsvetkov, Gasburg, VA (US);
Robert T. Leonard, Raleigh, NC (US);
Assignee:
Cree, Inc., Durham, NC (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
A high quality single crystal wafer of SiC is disclosed having a diameter of at least about 3 inches and a 1c screw dislocation density of less than about 2000 cm.