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 8101988 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 24, 2012

Filed:

Jul. 08, 2009
Applicant:

Kenichiro Nakagawa, Kanagawa, JP;

Inventor:

Kenichiro Nakagawa, Kanagawa, JP;

Assignee:

Renesas Electronics Corporation, Kawasaki-shi, Kanagawa, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/788 (2006.01);
U.S. Cl.
CPC ...
Abstract

A nonvolatile semiconductor memory device includes a semiconductor substrate that includes a trench, a charge storage layer that is formed inside of the trench, a first gate that is formed above a side surface and a bottom surface of the trench, a second gate that is formed beside the first gate, and that is formed above the charge storage layer, a first diffusion region that is formed on the semiconductor substrate inside of the trench, and a second diffusion region that is formed on the semiconductor substrate outside of the trench.


Find Patent Forward Citations

Nakagawa, Kenichiro. (2012). Nonvolatile semiconductor memory device (U.S. Patent No. 8101988). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8101988

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

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