B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
26/197
B29D 11/00 (2006.01) B29C 73/00 (2006.01) B29C 73/34 (2006.01) C03B 37/014 (2006.01) C03B 37/018 (2006.01)
Patent
CA 1115509
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.
365483
Dominick Ellen K.
Scherer George W.
Corning Glass Works
Gowling Lafleur Henderson Llp
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