Ultrasonic motor having anisotropic properties

Details Ultrasonic motor having anisotropic properties Ultrasonic motor having anisotropic properties

1990-04-23

1991-07-02

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

H01L 4108

Patent

active

050288326

ABSTRACT:
An ultrasonic motor includes an anisotropic layer disposed between an ultrasonic vibrator and a movable member. The anisotropic layer is made of a composite material including plural components. The ratio of the modulus of transverse elasticity of the layer to the modulus of longitudinal elasticity of the layer in the pressing direction of the movable member is smaller than the corresponding ratio of moduli for each of the components.

REFERENCES:
patent: 4752711 (1988-06-01), Tsukimoto et al.

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