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:
Jul. 03, 2012
Filed:
May. 21, 2010
Applicants:
Adalbert Feltz, Deutschlandsberg, DE;
Sigrid Gansberger, Graz, AT;
Heinz Florian, Bad Gams, AT;
Harald Kastl, Bad Gams, AT;
Inventors:
Adalbert Feltz, Deutschlandsberg, DE;
Sigrid Gansberger, Graz, AT;
Heinz Florian, Bad Gams, AT;
Harald Kastl, Bad Gams, AT;
Assignee:
Epcos AG, München, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 41/22 (2006.01); H04R 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention concerns a method for making a piezoelectrical device, whose electrode layers contain copper. The usage of copper in the electrode layers is enabled by a debindering process, which is carried out by steam.