C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
49/77, 49/8
C03B 37/075 (2006.01) C03B 37/014 (2006.01) C03C 3/06 (2006.01) C03C 23/00 (2006.01)
Patent
CA 1120727
Schultz 18 METHOD OF PRODUCING GLASS OPTICAL FILAMENTS Abstract of the Disclosure A method of incorporating an additive or dopant oxide into a glass body produced by the oxidation of vaporous source material in a flame. The resultant glassy particles are deposited to form a porous preform having a uniform refractive index. During the consolidation process, the preform is subjected to an atmosphere including a drying agent which penetrates the interstices of the soot preform to simultaneously dry and dope the preform.
325708
Corning Glass Works
Gowling Lafleur Henderson Llp
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