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. 24, 2018
Filed:
Oct. 04, 2016
Applicant:
Nexperia B.v., Nijmegen, NL;
Inventor:
Steven Thomas Peake, Warrington, GB;
Assignee:
Nexperia B.V., Nijmegen, NL;
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/36 (2006.01); H01L 29/78 (2006.01); H01L 29/423 (2006.01); H01L 21/265 (2006.01); H01L 29/06 (2006.01); H01L 21/225 (2006.01); H01L 29/10 (2006.01);
U.S. Cl.
CPC ...
H01L 29/7827 (2013.01); H01L 21/2253 (2013.01); H01L 21/2652 (2013.01); H01L 29/063 (2013.01); H01L 29/105 (2013.01); H01L 29/1045 (2013.01); H01L 29/4236 (2013.01); H01L 29/7813 (2013.01);
Abstract
A device is disclosed. The device comprises a substrate having an epitaxial layer of a first conductivity type, a deep trench of a first depth, a pillar region of a second conductivity type of a second depth and a blocking layer of a third conductivity type immediately below a bottom surface of the deep trench. The second depth is larger than the first depth.