Piezoelectric/electrostrictive device

Details Piezoelectric/electrostrictive device Piezoelectric/electrostrictive device

2006-03-28

2006-03-28

Budd, Mark (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S332000

Reexamination Certificate

active

07019442

ABSTRACT:
There is disclosed a piezoelectric/electrostrictive device which has large vibration isolation properties and which copes with high-rate access and densification of data and which is capable of inhibiting off-track from being caused and which comprises: a substrate including a support portion constituted of a thick member and two arm portions constituted of thin-plate members extended from the support portion; and a driving member disposed on at least one arm portion and in which a plurality of grooves is formed in at least a surface positioned on an extending-direction side of the at least one arm portion in the support portion.

REFERENCES:
patent: 4612440 (1986-09-01), Brunnee et al.
patent: 6455981 (2002-09-01), Takeuchi et al.
patent: 6531805 (2003-03-01), Ikeda et al.
patent: 2002-026412 (2002-01-01), None

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