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. 20, 2012
Filed:
Jul. 12, 2007
Applicants:
Tadahiro Ohmi, Miyagi, JP;
Akinobu Teramoto, Miyagi, JP;
Rihito Kuroda, Miyagi, JP;
Inventors:
Assignees:
National University Corporation Tohoku University, Miyagi, JP;
Foundation For Advancement of International Science, Ibaraki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 27/148 (2006.01);
U.S. Cl.
CPC ...
Abstract
An accumulation mode transistor has an impurity concentration of a semiconductor layer in a channel region at a value higher than 2×10cmto achieve a large gate voltage swing.