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:
Feb. 18, 2014
Filed:
Feb. 17, 2012
Tetsu Morooka, Yokohama, JP;
Masaki Kondo, Kawasaki, JP;
Tetsu Morooka, Yokohama, JP;
Masaki Kondo, Kawasaki, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A semiconductor device according to an embodiment includes: a semiconductor region on a semiconductor substrate, an upper face and side faces of the semiconductor region forming a saddle-like shape, convex portions being formed at both ends of a region including a saddle point in the upper face; a gate insulating film on the upper face of the semiconductor region except upper faces of the convex portions, and on side faces of the convex portions on a side of the region including the saddle point in the upper face; a gate electrode on the gate insulating film and including: a main body part located immediately above the region including the saddle point in the upper face; and leg portions leading to the main body portion and covering the side faces of the semiconductor region, a length of the leg portions being greater than a length of the main body portion.