Apparatus for producing hermetic coated optical fiber

Details Apparatus for producing hermetic coated optical fiber Apparatus for producing hermetic coated optical fiber

1991-08-01

1993-03-16

Lindsay, Robert L.

Glass manufacturing

Processes

With shaping of particulate material and subsequent fusing...

65 311, 118718, G02B 602, C03B 37025

Patent

active

051940809

ABSTRACT:
A hermetic coated optical fiber is produced by preparing a bare optical fiber by melting and drawing an optical fiber preform in a fiber drawing furnace and introducing the bare optical fiber in a reactor in which a raw material gas is introduced and forming a hermetic coating film around a surface of the bare optical fiber by a chemical vapor deposition method or pyrolysis in the reactor, wherein a part of an inert gas for purging the fiber drawing furnace which has been heated by a heater equipped in the furnace is exhausted and a rest of the inert gas is introduced in the reactor for diluting the raw material gas.

REFERENCES:
patent: 4575463 (1986-03-01), Biswas et al.
patent: 4592932 (1986-06-01), Biswas et al.
patent: 4659354 (1987-04-01), Roba
patent: 4790625 (1988-12-01), Biswas et al.
patent: 4874222 (1989-10-01), Vacha et al.
patent: 4913715 (1990-04-01), Jochem et al.
patent: 4988374 (1991-01-01), Harding et al.
patent: 5062687 (1991-11-01), Sapsford

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