Method of forming an optical lens by drawing material with...

Details Method of forming an optical lens by drawing material with... Method of forming an optical lens by drawing material with...

2002-05-08

2010-06-29

Hoffmann, John (Department: 1791)

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

C264S002700

Reexamination Certificate

active

07743631

ABSTRACT:
An optical lens manufacturing method according to the present invention comprises: an optical lens base material preparation step of preparing an optical lens base material40, which is formed of light transmitting material, has a columnar shape, and is provided with a first side face44and a second side face46that are mutually parallel, of which at least one of both first side face44and second side face46has a plurality of curved surface parts43; a drawing step of drawing optical lens base material40in the columnar axis direction; and an optical lens preparation step of cutting optical lens base material40, which has been drawn, at a desired length to thereby prepare optical lens1. The plurality of curved surface parts43of optical lens base material40, which has been drawn in the drawing step, function as optical action components that act on incident light or emitted light.

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