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:
Jul. 15, 2014
Filed:
Mar. 12, 2012
Applicant:
Kiyonori Oyu, Tokyo, JP;
Inventor:
Kiyonori Oyu, Tokyo, JP;
Assignee:
PS4 Luxco S.A.R.L., Luxembourg, LU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/20 (2006.01); H01L 27/108 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor device comprises a trench isolation. The trench isolation is formed in a surface of a semiconductor substrate to define an active region a well region, and a bottom of the trench isolation is positioned within the well region. The trench isolation includes a conductive wiring electrically connected to the well region and an insulating film which buries the conductive wiring in the bottom of the trench isolation. Semiconductor elements are disposed in the active region.