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:
Dec. 25, 2001
Filed:
Feb. 23, 1999
Applicant:
Inventor:
Koji Arita, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01C 2/7108 ; H01C 2/976 ; H01C 2/954 ; H01C 3/1119 ;
U.S. Cl.
CPC ...
H01C 2/7108 ; H01C 2/976 ; H01C 2/954 ; H01C 3/1119 ;
Abstract
A top electrode of a thin film capacitor includes a dielectric oxide layer, a first conductive layer on the dielectric oxide layer, and a second conductive layer over the first conductive layer, wherein the first conductive layer processes at least one of a lower oxidizability and a lower diffusability than the second conductive layer.