C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
C03B 29/02 (2006.01) C03B 37/012 (2006.01) C03B 37/014 (2006.01) C03B 37/027 (2006.01) C03B 37/029 (2006.01)
Patent
CA 2267970
A fiber preform (20) is contaminated with contaminates such as silicon nitride or silicon carbide. The preform is then held in a chamber (10) with a reducing gas (29) being introduced into the chamber. The reducing gas prevents the contaminates from being oxidized. If the contaminates were oxidized, the strengh of the final fiber would be reduced.
Une ébauche de fibre (20) est contaminée par des contaminants tels que du nitrure de silicium ou du carbure de silicium. Une telle ébauche séjourne dans une chambre (10) à l'intérieur de laquelle est introduit un gaz réducteur (29). Ce gaz réducteur empêche l'oxydation des contaminants. Si ces derniers subissaient une oxydation, la résistance de la fibre résultante s'en trouverait réduite.
Dickinson James E.
Dunn Julian L.
Glaesemann G. Scott
Hajcak Pamela A.
Reding Bruce W.
Corning Incorporated
Gowling Lafleur Henderson Llp
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