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. 13, 2009
Filed:
Nov. 07, 2001
Applicant:
Heinz Florian, Bad Gams, AT;
Inventor:
Heinz Florian, Bad Gams, AT;
Assignee:
EPCOS AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/083 (2006.01);
U.S. Cl.
CPC ...
Abstract
An actuator includes a stack of piezoelectric layers, and electrode layers between the piezoelectric layers. A stabilization element is attached to a side surface of the stack. The stabilization element fixes a height of the stack so that the height does not change when an operating voltage is applied to at least one of the electrode layers.