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 7807518 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 05, 2010

Filed:

Apr. 18, 2008
Applicant:

Tomohiko Tatsumi, Miyagi, JP;

Inventor:

Tomohiko Tatsumi, Miyagi, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/84 (2006.01); H01L 29/94 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention provides a semiconductor memory device having a capacitor electrode of a MOS capacitor formed in polygon and slanting faces enlarged toward an insulating film are provided therearound. A floating gate electrode is provided which extends from over a channel region of a MOSEFT to over corners of ends on the MOSFET side, of the capacitor electrode and which is opposite to the channel region and the capacitor electrode with a gate insulating film interposed therebetween.


Find Patent Forward Citations

Tatsumi, Tomohiko. (2010). Semiconductor memory device and manufacturing method thereof (U.S. Patent No. 7807518). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7807518

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

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