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.:
Date of Patent:
Aug. 25, 1992
Filed:
Jun. 13, 1991
Applicant:
Inventors:
Lee Kammerdiner, Avondale, CO (US);
Maria Huffman, Colorado Springs, CO (US);
Manoochehr Golabi-Khoozani, Colorado Springs, CO (US);
Assignee:
Ramtron Corporation, Colorado Springs, CO (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01G / ; H01G / ; H01G / ;
U.S. Cl.
CPC ...
361313 ; 361321 ; 29 2542 ;
Abstract
A ferroelectric capacitor for an integrated circuit includes a stack formed by a layer of a noble metal, a layer of a conducting oxide, a layer of a ferroelectric material, another layer of a conducting oxide and another layer of a noble metal. The capacitor can also have another layer of conducting oxide located over the top layer of noble metal and below the first layer of the noble metal. A method of forming the same through establishing one layer over the other and annealing each layer is also disclosed.