Vibration wave motor

Details Vibration wave motor Vibration wave motor

1989-08-17

1990-04-03

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

H01L 4108

Patent

active

049143387

ABSTRACT:
A vibration wave motor for frictionally driving a movable member contacting, under pressure, a vibration member, by a vibration wave generated in the vibration member, includes at least a contact area of the movable member which is to contact to the vibration member and has an alumite film thereon irradiated with a high energy density beam.

REFERENCES:
patent: 4019073 (1977-04-01), Vishnevsky et al.
patent: 4513219 (1985-04-01), Katsuma et al.
patent: 4562373 (1985-12-01), Tokusima et al.
patent: 4578115 (1986-03-01), Harrington et al.
patent: 4613782 (1986-09-01), Mori et al.
patent: 4779018 (1988-10-01), Okuno et al.

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