Driving device for objective lens

Details Driving device for objective lens Driving device for objective lens

1991-05-28

1993-06-01

Psitos, Aristotelis

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369 4416, 359554, 359823, G11B 700

Patent

active

052166538

ABSTRACT:
A pickup device having a pickup body disposed in opposition with a disk and supported by plate-shaped elastic support members in such a manner as to be movable relative to a fixed portion. An end portion of each elastic support member is superimposed on a portion of the pickup body or the fixed portion or both, with an adhesive between the overlaps. The elastic support member includes a plurality of through holes arranged in a widthwise line and formed in a boundary portion between a stationary portion and a displaceable portion of the member. During assembly, when the adhesive applied at an end portion of each elastic support member is subjected to pressure, a part of the adhesive is forced into the through holes, thereby enabling an initial bond strength to be easily achieved, while preventing the adhesive from spreading beyond the region of application.

REFERENCES:
patent: 4661943 (1987-04-01), Ikeda
patent: 4818066 (1989-04-01), Nose

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