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:
Nov. 04, 2003
Filed:
Jan. 21, 2003
Applicant:
Inventors:
Gerd Norga, Antwerp, BE;
Dirk Wouters, Leuven, BE;
Assignee:
Interuniversitair Microelektronica Centrum, Leuven, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G 4/06 ;
U.S. Cl.
CPC ...
H01G 4/06 ;
Abstract
A ferro-electric capacitor comprising a first electrode comprising at least a layer of a conductive oxide having at least two sub-layers of individual grains, wherein individual grains of a top sub-layer of the two sub-layers are oriented randomly. The capacitor further comprises a second electrode that is isolated from said first electrode. The capacitor further comprises a ferro-electric PZT layer that is sandwiched between said first electrode and said second electrode. A method of making the ferro-electric capacitor is also provided.