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US 2011/0215674 A1Published application
Piezoelectric Actuator of a Multilayer Design and Method for Fastening an Outer Electrode in a Piezoelectric Actuator
AssigneeEpcos AG
InventorsFranz Rinner, Dieter Somitsch, Jan-Thorsten Reszat, Reinhard Gabl, Martin Galler, Christoph Auer, Georg Kuegerl
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Abstract
A piezoelectric actuator of a multilayer design includes outer electrodes that are fastened by means of a bonding layer applied by thermal spraying. For example, the outer electrodes are formed as a woven wire fabric. Furthermore, a method for fastening an outer electrode in a piezoelectric actuator is specified.
Claims20
A piezoelectric actuator comprising:
- a stack of piezoelectric layers and electrode layers arranged between the piezoelectric layers;
- and
- at least one outer electrode that is fastened to an outer side of the stack by a bonding layer applied by thermal spraying.
A method for fastening an outer electrode in a piezoelectric actuator, the method comprising:
- providing a stack of piezoelectric layers and electrode layers arranged between the piezoelectric layers;
- placing an outer electrode onto an outer side of the stack;
- and,
- thermally spraying a material onto parts of an upper side of the outer electrode and the outer side of the stack.
1 more element
Dependencies are inferred from the claim text.