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:
Apr. 26, 2005
Filed:
Aug. 19, 2002
Applicant:
Richard Francis, Manhattan Beach, CA (US);
Inventor:
Richard Francis, Manhattan Beach, CA (US);
Assignee:
International Rectifier Corporation, El Segundo, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L029/00 ;
U.S. Cl.
CPC ...
Abstract
A wafer having a rounded edge is thinned to 100 microns or less, producing a tapered razor like edge. The edge is ground to blunt it and reduce danger to personnel and equipment during handling of the wafer.