Lens and method for producing the same

Details Lens and method for producing the same Lens and method for producing the same

1991-05-22

1993-07-13

Sugarman, Scott J.

Optical: systems and elements

Lens

359811, 425808, G02B 300, G02B 702

Patent

active

052279170

ABSTRACT:
A lens is manufactured by preparing a glass material, preparing a molding apparatus for pressmolding the glass material into a lens shape, preheating the glass material or heating the glass material in the molding apparatus to soften the glass material and molding the glass material into the lens shape by the molding apparatus. An engagement portion of the molded lens to a member on which the lens is to be mounted is molded in the molding process simultaneously with the molding of an optically function portion of the lens.

REFERENCES:
patent: 4836840 (1989-06-01), Hirota et al.
patent: 5015280 (1991-05-01), Kimoto et al.
patent: 5019098 (1991-05-01), Mercier

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