Optical pick-up actuator

Details Optical pick-up actuator Optical pick-up actuator

2006-11-29

2009-10-06

Harrington, Alicia M (Department: 2873)

Optical: systems and elements

Lens

With support

C359S703000

Reexamination Certificate

active

07599137

ABSTRACT:
An optical pick-up actuator includes a lens holder, a magnetic circuit, a wire spring, a wire holder, and a damper material receptacle. The lens holder includes an objective lens. The magnetic circuit moves the lens holder. The wire spring is coupled at one end thereof to a side of the lens holder, and supports the lens holder. The wire holder fixes the other end of the wire spring. The damper material receptacle defines an insert hole and a through-hole, through which the other end of the wire spring is inserted and passes. The damper material receptacle holds a predetermined damper material that absorbs vibrations imparted on the wire spring. The damper material defines an injecting hole, through which the damper material is injected, separately from the insert hole and the through-hole.

REFERENCES:
patent: 2005/0134974 (2005-06-01), Yamada

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