Galvanomirror and optical disk drive using the same

Details Galvanomirror and optical disk drive using the same Galvanomirror and optical disk drive using the same

1995-11-09

1998-04-07

Ben, Loha

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

359221, 359214, 359230, 359291, G11B 700

Patent

active

057373027

ABSTRACT:
A galvanomirror includes a rocking member provided with a reflector. The rocking member is constituted of a semiconductor such as silicon, and connected to a hollow portion of a first plate through two elastic members. Second and third plates are insulatively bonded onto both sides of the first plate. Four electrodes are symmetrically provided on those portions of the second and third plates that correspond to the rocking member. In this constitution, if the rocking member is charged positively (negatively), the electrodes are charged negatively (positively), and the electrodes are charged positively (negatively), the rocking member is rotated (rocked) while the elastic members are twistedly deformed.

REFERENCES:
patent: 4074312 (1978-02-01), van Rosmalen
patent: 4421381 (1983-12-01), Ueda et al.
patent: 4744071 (1988-05-01), Bricot et al.
patent: 5096279 (1992-03-01), Hornbeck et al.
patent: 5202785 (1993-04-01), Nelson
patent: 5249173 (1993-09-01), Tanaka
patent: 5526172 (1996-06-01), Kanack

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