Method for producing optical fiber preform

Details Method for producing optical fiber preform Method for producing optical fiber preform

1984-12-06

1986-12-09

Schor, Kenneth M.

Glass manufacturing

Processes

Forming product or preform from molten glass

65DIG16, C03B 37018

Patent

active

046278664

ABSTRACT:
A method for producing an optical fiber preform comprising injecting a glass raw material, a gaseous fluorine-containing material and oxygen gas from a first nozzle, inactive gas from a second nozzle which surrounds the first nozzle and hydrogen gas from a third nozzle which surrounds the second nozzle, flame hydrolyzing the glass raw material to synthesis fine glass particles and depositing the fine glass particles on a tip of a rotating seed rod to produce the optical fiber preform containing fluorine.

REFERENCES:
patent: 4345928 (1982-08-01), Kawachi
patent: 4406680 (1983-09-01), Edahiro

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