Method of manufacturing optical device

Details Method of manufacturing optical device Method of manufacturing optical device

1989-12-06

1991-07-16

Lindsay, Robert L.

Glass manufacturing

Processes

Sequentially forming, reheating, and working

65 321, 65 325, 65102, 6537413, C03B 2300

Patent

active

050321595

ABSTRACT:
In a method of molding an optical device by press-molding a glass preform by using molding dies, the press-molding process is executed under a mixed gas atmosphere of a nonoxidizer gas and a hydrocarbon gas.

REFERENCES:
patent: 3829301 (1974-08-01), Russell
patent: 3833347 (1974-09-01), Angle et al.
patent: 3900322 (1975-08-01), Parsons et al.
patent: 3970442 (1976-07-01), Gulotta
patent: 4139677 (1979-02-01), Blair et al.
patent: 4481023 (1989-11-01), Matched et al.
patent: 4756737 (1988-07-01), Yashimuya et al.
patent: 4778505 (1988-10-01), Hirota et al.

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