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:
Jan. 02, 1996
Filed:
Oct. 07, 1994
Applicant:
Inventors:
Assignees:
Olympus Optical Co., Ltd., Tokyo, JP;
Symetrix Corporation, Colorado Springs, CO (US);
Primary Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
365145 ; 365 53 ;
Abstract
Disclosed is a ferroelectric memory, comprising a semiconductor substrate, a ferroelectric thin film capacitor of a laminate structure formed on the substrate, the laminate structure consisting of a lower electrode, an oxide ferroelectric thin film and an upper electrode, and a protective thin film formed to cover at least the upper surface of the capacitor and consisting essentially of a nitride of aluminum, silicon or titanium.