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:
Jan. 22, 2013
Filed:
Jul. 01, 2009
Applicants:
Masayuki Furumiya, Kanagawa, JP;
Hiroaki Ohkubo, Kanagawa, JP;
Yasutaka Nakashiba, Kanagawa, JP;
Inventors:
Assignee:
Renesas Electronics Corporation, Kawasaki-shi, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A width of a region where each of the N wells is in contact with the buried P well is not more than 2 μm. A ground voltage and a power supply voltage are applied to the P well and the N well, respectively. A decoupling capacitor is formed between the N well and the buried P well.