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 7646050 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 12, 2010

Filed:

Dec. 27, 2005
Applicant:

Kazuhide Abe, Tokyo, JP;

Inventor:

Kazuhide Abe, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/70 (2006.01); H01L 21/02 (2006.01); H01L 27/115 (2006.01); H01L 21/8246 (2006.01);
U.S. Cl.
CPC ...
Abstract

A semiconductor device includes a semiconductor substrate, a first electrode that is formed over said semiconductor substrate, a capacitive insulating film that is formed on the first electrode and is made of a metal oxide ferroelectric, a second electrode that is formed on the capacitive insulating film, an insulating film that has a first opening exposing a portion of an upper side of the second electrode and is formed so that it covers the first electrode, the capacitive insulating film, and the second electrode, a first barrier film having an amorphous structure which is formed inside the first opening and on the insulating film, and a wiring film that is formed over the first barrier film.


Find Patent Forward Citations

Abe, Kazuhide. (2010). Ferroelectric type semiconductor device having a barrier tio and tion type dielectric film (U.S. Patent No. 7646050). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7646050

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

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