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. 04, 2010
Filed:
Sep. 29, 2005
Applicants:
Shuji Mizokuchi, Niigata, JP;
Kazuaki Tsunoda, Tokyo, JP;
Inventors:
Shuji Mizokuchi, Niigata, JP;
Kazuaki Tsunoda, Tokyo, JP;
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/78 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor substrate is formed with trenches, and each of the trenches includes: a gate electrode portion in which a gate electrode is arranged; and a gate lead portion which is brought into contact with an interconnect for electrically connecting the gate electrode to the outside. In the gate lead portion for electrically connecting the gate electrode to the outside, an end of each of the trenches has a greater width than a portion of the trench other than the end.