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:
Mar. 06, 2007
Filed:
Oct. 13, 2004
Applicants:
Shuji Mizokuchi, Kyoto, JP;
Mitsuhiro Yamanaka, Yawata, JP;
Hiroyuki Gunji, Utsunomiya, JP;
Inventors:
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/78 (2006.01); H01L 21/336 (2006.01);
U.S. Cl.
CPC ...
Abstract
A first regionfunctioning as a transistor includes a drain region, a body regionformed over the drain region, a source regionA formed over the body regionand a trench formed through the body regionand having a gate electrodeburied therein. A source regionB is formed over the body regionextending in a second region