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:
Dec. 02, 2014
Filed:
Sep. 17, 2013
Applicant:
Ps4 Luxco S.a.r.l., Luxembourg, LU;
Inventor:
Takamitsu Onda, Tokyo, JP;
Assignee:
PS4 Luxco S.a.r.l., Luxembourg, LU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/088 (2006.01); H01L 29/78 (2006.01); H01L 29/423 (2006.01); H01L 27/02 (2006.01); H01L 27/105 (2006.01); H01L 27/108 (2006.01); H03K 5/24 (2006.01);
U.S. Cl.
CPC ...
H01L 29/78 (2013.01); H01L 27/10897 (2013.01); H03K 5/2481 (2013.01); H01L 29/4238 (2013.01); H01L 27/0207 (2013.01); H01L 27/105 (2013.01); Y10S 438/926 (2013.01);
Abstract
A semiconductor device includes: a substrate; a transistor that has a ring-shaped gate electrode formed on the substrate; a plurality of external dummy electrodes that are arranged outside the gate electrode and are formed in the same layer as the gate electrode; and at least one internal dummy electrode that is arranged inside the gate electrode and is formed in the same layer as the gate electrode.