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.:

US 7872329 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 18, 2011

Filed:

Jul. 18, 2008
Applicant:

Kazuhiko Sanada, Kanagawa, JP;

Inventor:

Kazuhiko Sanada, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Effective area of a capacitor is to be increased while suppressing increase in number of manufacturing steps. In a semiconductor device, a silicon substrate includes a plurality of first recessed portions having a first depth from the main surface thereof, a second recessed portion provided in a region other than the first recessed portion and having a second depth from the main surface, and a third recessed portion provided in at least one of the plurality of first recessed portions and having a third depth from the bottom portion of the first recessed portion. The second recessed portion and the third recessed portion have the same depth, and a decoupling condenser is provided so as to fill the at least one of the first recessed portion and the third recessed portion provided therein, and an isolation insulating layer is provided so as to fill the remaining first recessed portions, and the second recessed portion is filled with a gate electrode.


Find Patent Forward Citations

Sanada, Kazuhiko. (2011). Semiconductor device and method of manufacturing the same (U.S. Patent No. 7872329). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7872329

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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