Piezo actuator comprising a multilayer encapsulation, and...

Details Piezo actuator comprising a multilayer encapsulation, and... Piezo actuator comprising a multilayer encapsulation, and...

2007-04-24

2010-12-14

Dougherty, Thomas M (Department: 2837)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S366000

Reexamination Certificate

active

07851978

ABSTRACT:
In a method for producing a multilayer encapsulation (1) of a piezo actuator (5) such that the piezo actuator (5) is protected towards the outside without having to use an additional enveloping housing-type structure, in order to produce the multilayer encapsulation (1), an electrically insulating elastic layer (10) is first applied to the surface of the piezo actuator (5), whereupon a metallic layer is applied to the electrically insulating elastic layer (10) so as to planarly cover the same.

REFERENCES:
patent: 2009/0294556 (2009-12-01), Bosch et al.
patent: 2010/0180865 (2010-07-01), Vendulet et al.
patent: 197 53 930 (1999-06-01), None
patent: 0 603 588 (1993-11-01), None
patent: 01 137686 (1989-05-01), None
patent: WO 01/48834 (2001-07-01), None
patent: WO 2005/087979 (2005-09-01), None
patent: WO 2007/093921 (2007-08-01), None
patent: WO 2007/102088 (2007-09-01), None
International Search Report PCT/EP2007/053978, 2 pages, Nov. 6, 2007.

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