Resin lens

Optical: systems and elements – Lens – Including a nonspherical surface

Patent

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Details

359642, G02B 302

Patent

active

058053557

ABSTRACT:
A lens made of an acrylic resin for use in a laser optical system for an optical disk, in which the acrylic resin has the following characteristics;

REFERENCES:
patent: 4395516 (1983-07-01), Imai et al.
patent: 5138001 (1992-08-01), Ueda et al.
patent: 5183870 (1993-02-01), Fukushima et al.
patent: 5467225 (1995-11-01), Manabe

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