Method of making synthetic silica glass

Details Method of making synthetic silica glass Method of making synthetic silica glass

1998-11-13

2000-09-12

Silverman, Stanley S.

Glass manufacturing

Processes of manufacturing fibers, filaments, or preforms

Process of manufacturing optical fibers, waveguides, or...

65413, 65416, 65422, 65424, 65427, C03C 1304

Patent

active

061160555

ABSTRACT:
Disclosed is a synthetic silica-glass fabricating method in which the doping of chlorine into silica glass made by using a flame hydrolysis or thermal oxidation is increased. The process comprises the steps of producing a porous deposit of silica-glass particles through treatment of gaseous silicon compounds by the flame hydrolysis or the thermal oxidation process; and consolidating the porous deposit by a heat treatment in an atmosphere including an inert gas and silicon tetrachloride (SiCl.sub.4) gas.

REFERENCES:
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patent: 5259856 (1993-11-01), Ohga et al.
patent: 5306322 (1994-04-01), Ishikawa et al.
patent: 5470369 (1995-11-01), Tsuchiya et al.
Optical Fiber Communication Conference and Exhibit, Technical Digest, Conference Edition, Feb. 22-27 1998, vol. 2.
Kenzo Susa et al., "Reduction of Chlorine Content in Sol-Gel Derived Silica Glass", Journal of Non-Crystalline Solids, vol. 79, 1986, pp. 165-176.

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