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:
Apr. 27, 1993
Filed:
Dec. 12, 1991
Applicant:
Inventors:
William Larson, Colorado Springs, CO (US);
Thomas Davenport, Colorado Springs, CO (US);
Constance DeSmith, Colorado Springs, CO (US);
Assignee:
Ramtron Corporation, Colorado Springs, CO (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01G / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
361313 ; 29 2542 ; 257295 ;
Abstract
A ferroelectric capacitor for a memory device including a substrate, a bottom electrode and a top electrode. Between the bottom and top electrodes is either an alternating plurality of layers of ferroelectric material and intermediate electrodes or a plurality of layers of ferroelectric material. A method for forming the same through establishing one layer over the other is also disclosed.