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 7915657 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 29, 2011

Filed:

Dec. 24, 2009
Applicants:

Nobukazu Mikami, Saitama, JP;

Hiroki Usui, Kanagawa, JP;

Takuya Nakauchi, Kanagawa, JP;

Inventors:

Nobukazu Mikami, Saitama, JP;

Hiroki Usui, Kanagawa, JP;

Takuya Nakauchi, Kanagawa, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/8234 (2006.01); G11C 11/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed herein is a semiconductor integrated circuit including: a memory circuit section used for storing data; and a non-memory circuit section which is provided to serve as a section other than the memory circuit section and used for storing no data, wherein the second-conduction-type impurity concentration of a second-conduction-type semiconductor area including a channel created for a first-conduction-type transistor employed in the non-memory circuit section is lower than the second-conduction-type impurity concentration of a second-conduction-type semiconductor area including a channel created for a first-conduction-type transistor employed in the memory circuit section.


Find Patent Forward Citations

Mikami, Nobukazu. (2011). Semiconductor integrated circuit (U.S. Patent No. 7915657). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7915657

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