Method of manufacturing glass optical element

Details Method of manufacturing glass optical element Method of manufacturing glass optical element

1992-04-10

1992-12-15

Lindsay, Robert L.

Glass manufacturing

Processes

Sequentially forming, reheating, and working

65 325, 65102, 65122, 264 27, C03B 2300

Patent

active

051713470

ABSTRACT:
The invention provides a method of manufacturing extremely precise glass optical element by thermally deforming optical glass on the optical surface of a thermal processing jig coated with chemically stable thin film, followed by the molding of optical glass preform having free surface on one side and transcribedsurface from the optical surface of the thermal processing jig by means of a press mold which thermally presses the optical glass preform.

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patent: 4629487 (1986-12-01), Monji et al.
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patent: 4921519 (1990-05-01), Schinker et al.
patent: 5013348 (1991-05-01), Hirota
Patent Abstracts of Japan, unexamined applications C Field, vol. 10, No. 139, May 22, 1986 ref. Kokai-No. 60-264 333.

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