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:
Apr. 10, 2012
Filed:
Feb. 02, 2011
Applicant:
Toshitaka Miyata, Kanagawa-ken, JP;
Inventor:
Toshitaka Miyata, Kanagawa-ken, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/76 (2006.01); H01L 23/62 (2006.01);
U.S. Cl.
CPC ...
Abstract
According to an embodiment, a semiconductor device includes a gate electrode formed on a semiconductor substrate via an insulating layer; a source region including an extension region, a drain region including an extension region, a first diffusion restraining layer configured to prevent a diffusion of the conductive impurity in the source region and including an impurity other than the conductive impurity, and a second diffusion restraining layer configured to prevent a diffusion of the impurity in the drain region and including the impurity other than the conductive impurity.