Microswitch and method for manufacturing the same

Details Microswitch and method for manufacturing the same Microswitch and method for manufacturing the same

2008-05-13

2008-05-13

San Martin, J. (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C200S181000

Reexamination Certificate

active

11091279

ABSTRACT:
A microswitch is provided with a movable electrode contact component including a bending displacement component having a cantilever shape, a piezoelectric/electrostrictive element having a piezoelectric/electrostrictor and a voltage application electrode layers, and a substrate joined to a support portion of the movable electrode contact component and having a fixed electrode disposed on the surface thereof, wherein the piezoelectric/electrostrictive element is driven to displace the movable electrode, so that the movable electrode and the fixed electrode can be brought into a state of being electrically connected to each other or disconnected from each other. At least a thin plate of the bending displacement component is made of a ceramic material, and the thin plate, the piezoelectric/electrostrictor, and the voltage application electrode layers are integrated by firing. The microswitch can efficiently switch high-frequency signals at low power consumption and has excellent responsiveness, excellent durability, and high reliability of long term driving.

REFERENCES:
patent: 6700309 (2004-03-01), Dausch et al.
patent: 2004/0075366 (2004-04-01), Mehta
patent: 07-124103 (1995-05-01), None
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patent: 2003-181800 (2003-07-01), None
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Proceedings of the 17thJIEP Annual Meeting (2003) 14C-10 (by Hiroki Mamiya et al., Yokohama National University).

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