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:
Mar. 25, 2008
Filed:
Sep. 09, 2003
Applicant:
Kazutaka Akiyama, Matsudo, JP;
Inventor:
Kazutaka Akiyama, Matsudo, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/108 (2006.01); H01L 29/76 (2006.01); H01L 29/94 (2006.01); H01L 31/119 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor device includes: a semiconductor substrate; a first wiring formed above the semiconductor substrate with a first insulating film interposed therebetween; an MIM capacitor formed above the first insulating film; a second insulating film formed to cover the MIM capacitor; a second wiring formed on the second insulating film; and a guard ring buried in the second insulating film to surround the MIM capacitor.