Shear motor for dynamic mount for laser-beam steering mirror

Details Shear motor for dynamic mount for laser-beam steering mirror Shear motor for dynamic mount for laser-beam steering mirror

1984-05-15

1988-10-04

Moskowitz, Nelson

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310333, 350487, 372107, H01L 4104, G02B 2717

Patent

active

047758155

ABSTRACT:
A dynamic mount and actuator for a laser mirror 20 comprising three piezoelectric motors 40 mounted 120.degree. apart on a motor-mount member 32. Each motor 40 comprises a rectangular block 44 composed of horizontal layers of electroded piezoelectric wafers 46, adjacent layers being bonded together. The one-axis movements of each shear motor 40 are amplified by and transmitted to an axially extending flex-joint assembly 36 which is formed with two universal-type flex joints 102,104 therein.

REFERENCES:
patent: 3758199 (1973-09-01), Thaxter
patent: 3902783 (1975-09-01), Badlay
patent: 3957356 (1976-05-01), Pledger
patent: 3981566 (1976-09-01), Frank et al.
patent: 4060314 (1977-11-01), Heinz
patent: 4203654 (1980-05-01), Ellis
patent: 4406525 (1983-09-01), Itoh et al.
patent: 4577131 (1986-03-01), Soobitsky
Albertinetti et al., "Discrete Actuator Deformable Mirror", 4/20/79, SPIE, vol. 179, Adapt. Opt. Comp. II.

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