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. 29, 2012
Filed:
Jun. 21, 2010
Applicants:
Kenzo Manabe, Kanagawa, JP;
Toshihiro Iizuka, Kanagawa, JP;
Daisuke Ikeno, Tokyo, JP;
Inventors:
Assignee:
Renesas Electronics Corporation, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/78 (2006.01);
U.S. Cl.
CPC ...
Abstract
A first adjusting metal, capable of varying the threshold voltage of a first-conductivity-type transistor of a complementary transistor, is added to the first-conductivity-type transistor and a second-conductivity-type transistor at the same time, and a diffusion suppressive element, capable of suppressing diffusion of the first adjusting metal, is added from above a metal gate electrode of the second-conductivity-type transistor.