Mounting structure of objective lens for optical pick-up used fo

Details Mounting structure of objective lens for optical pick-up used fo Mounting structure of objective lens for optical pick-up used fo

1996-05-31

1998-07-14

Ben, Loha

Optical: systems and elements

Lens

With lens casing

359819, 396529, G02B 702

Patent

active

057813515

ABSTRACT:
An optical pick-up for use in optical disk devices comprises an objective lens having an outer ring formed therearound and a lens holder for positioning and holding the objective lens, the lens holder having first and second inner walls between which an annular shoulder portion is formed, and plural recesses formed on the annular shoulder portion as reservoirs into which excess adhesive agent is collected when adhesive agent is applied to a gap defined between the first inner wall and the outer ring of the objective lens. Various structures for collecting excess adhesive agent are also disclosed.

REFERENCES:
patent: 5050963 (1991-09-01), Murakami
patent: 5177641 (1993-01-01), Kobayashi
patent: 5257145 (1993-10-01), Kanazawa et al.
patent: 5461444 (1995-10-01), Okura et al.

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