C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
117/53, 49/8
C03B 19/00 (2006.01) C03B 37/02 (2006.01)
Patent
CA 1100001
Powers 2 METHOD OF MAKING OPTICAL WAVEGUIDES Abstract of the Disclosure A method of making low loss glass optical waveguides, wherein at least one coating of glass soot is deposited by the flame hydrolysis process on a starting member. The starting member is removed from the coating material or glass soot preform leaving an aperture therein, and a tube is secured to one end of the preform. While the preform is heated to its consolidation temperature, an atmosphere including a drying agent flows from the tube into the aperture and through the porous preform, thereby removing water from the preform while the soot is consolidated to form a dense glass article. The tube can be removed, and the resultant dense glass article can be drawn into an optical waveguide fiber.
296836
Corning Glass Works
Gowling Lafleur Henderson Llp
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