C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
26/197
C03B 37/014 (2006.01)
Patent
CA 1115508
080977 Dominick-Scherer 2-1 D-7309 (CO-76) CARBON COATING FOR A STARTING MEMBER USED IN PRODUCING OPTICAL WAVEGUIDE Abstract Of The Invention In making a preform for an optical waveguide, the bait rod is coated with carbon. After the preform is built up on the bait rod, it is easily removed. The carbon coating produces a smooth improved inner surface in the preform, thereby eliminating flaws which otherwise may be present when the preform is drawn into a waveguide.
305889
Dominick Ellen K.
Scherer George W.
Corning Glass Works
Gowling Lafleur Henderson Llp
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