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.

Date of Patent:
Oct. 06, 2009

Filed:

Aug. 01, 2005
Applicants:

June-mo Koo, Seoul, KR;

Young-soo Park, Gyeonggi-do, KR;

Sang-min Shin, Seoul, KR;

Suk-pil Kim, Gyeonggi-do, KR;

Inventors:

June-mo Koo, Seoul, KR;

Young-soo Park, Gyeonggi-do, KR;

Sang-min Shin, Seoul, KR;

Suk-pil Kim, Gyeonggi-do, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01); H01L 21/242 (2006.01); H01L 21/31 (2006.01); H01L 21/469 (2006.01);
U.S. Cl.
CPC ...
Abstract

A ferroelectric capacitor comprises a first electrode comprising an alloy containing a first element and a second element of the periodic table of the elements, the first element being selected from the group consisting of Ir and Ru. A ferroelectric layer is disposed on the first electrode, wherein the ferroelectric layer comprises a ferroelectric material containing the second element. A second electrode is disposed on the ferroelectric layer. The ferroelectric capacitor can be provided as part of a memory cell of a ferroelectric memory.


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