Apparatus for production of optical fiber preform

Details Apparatus for production of optical fiber preform Apparatus for production of optical fiber preform

1997-08-06

1999-12-21

Hoffmann, John

Glass manufacturing

Fiber making apparatus

With measuring, controlling, sensing, timing, inspecting,...

65425, 65531, 118627, 118638, 361226, C03B 37023

Patent

active

060033428

ABSTRACT:
Disclosed is a process of producing an optical fiber preform having a step of charging a feedstock gas in an oxygen-hydrogen burner via an electrode and hydrolyzing the same in an oxygen-hydrogen flame to produce particulates containing charged glass particulates and a step of blowing the charged particulates onto a target comprised of a seed rod or a soot body formed on the seed rod so as to cause them to deposit on the target and build up as a soot body. Preferably, the process includes the further step of reducing the magnitude of the charge of the particulates in the burner along with an increase of the diameter of the target which is formed. More preferably, the process also includes the further step of making the position facing the burner across the target an opposite polarity from the charging polarity of the particulates ejected from the burner so as to electrically attract the particulates ejected from the burner.

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