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:
Jul. 03, 2018
Filed:
Jul. 29, 2014
Applicant:
Maxpower Semiconductor, Inc., Santa Clara, CA (US);
Inventors:
Mohamed N. Darwish, Campbell, CA (US);
Jun Zeng, Torrance, CA (US);
Richard A. Blanchard, Los Altos, CA (US);
Assignee:
MaxPower Semiconductor Inc., San Jose, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/78 (2006.01); H01L 29/06 (2006.01); H01L 29/40 (2006.01); H01L 29/861 (2006.01); H01L 29/423 (2006.01); H01L 29/66 (2006.01); H01L 29/10 (2006.01); H01L 29/08 (2006.01); H01L 21/265 (2006.01);
U.S. Cl.
CPC ...
H01L 29/0611 (2013.01); H01L 29/063 (2013.01); H01L 29/407 (2013.01); H01L 29/408 (2013.01); H01L 29/4236 (2013.01); H01L 29/66348 (2013.01); H01L 29/66734 (2013.01); H01L 29/7802 (2013.01); H01L 29/7811 (2013.01); H01L 29/7813 (2013.01); H01L 29/7827 (2013.01); H01L 29/8611 (2013.01); H01L 21/26586 (2013.01); H01L 29/0634 (2013.01); H01L 29/0661 (2013.01); H01L 29/0873 (2013.01); H01L 29/0882 (2013.01); H01L 29/1095 (2013.01); H01L 29/402 (2013.01);
Abstract
Power devices using refilled trenches with permanent charge at or near their sidewalls. These trenches extend vertically into a drift region.