Biaxial actuator for optical pickup and optical pickup

Details Biaxial actuator for optical pickup and optical pickup Biaxial actuator for optical pickup and optical pickup

2006-04-25

2006-04-25

Cao, Allen (Department: 2652)

Dynamic optical information storage or retrieval

Dynamic mechanism optical subsystem

Transducer carriage or actuator

Reexamination Certificate

active

07036133

ABSTRACT:
In a biaxial actuator for an optical pickup, rising pieces are bend-formed on a base member on which a lens holder having an objective lens is placed in such a way as to be able to displace in a focusing direction and in a tracking direction. The strength of the base member is increased by setting the width of the bend-formed portion at the root of each of the rising pieces in such a way as to be larger than the width of any other part of the associated rising piece. Preferably, the shape of a side elevation section of each of the rising pieces is set to be a trapezoid.

REFERENCES:
patent: 5877904 (1999-03-01), Kawano et al.
patent: 6683839 (2004-01-01), Ichihara et al.
patent: 2001/0038581 (2001-11-01), Kawano et al.
patent: 2003/0231411 (2003-12-01), Nakagawa
patent: 8-194962 (1996-07-01), None
patent: 11-66585 (1999-03-01), None

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