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:
May. 17, 2011
Filed:
Jan. 22, 2010
Applicants:
Shanghui Larry Tu, Phoenix, AZ (US);
Gordon M. Grivna, Mesa, AZ (US);
Inventors:
Shanghui Larry Tu, Phoenix, AZ (US);
Gordon M. Grivna, Mesa, AZ (US);
Assignee:
Semiconductor Components Industries, LLC, Phoenix, AZ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 27/088 (2006.01); H01L 21/74 (2006.01);
U.S. Cl.
CPC ...
Abstract
In one embodiment, a semiconductor device is formed having sub-surface charge compensation regions in proximity to channel regions of the device. The charge compensation trenches comprise at least two opposite conductivity type semiconductor layers. A channel connecting region electrically couples the channel region to one of the at least two opposite conductivity type semiconductor layers.