C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
C03C 25/44 (2006.01) C03C 17/22 (2006.01) C03C 25/10 (2006.01) C23C 16/26 (2006.01) C23C 16/30 (2006.01) C23C 16/54 (2006.01) G02B 6/12 (2006.01) G02B 6/13 (2006.01) G02B 6/132 (2006.01)
Patent
CA 2400674
A glass article comprising a glass substrate and a diamond-like film deposited on the substrate is disclosed. The glass article is responsive to actinic radiation, such as being capable of demonstrating a change in refractive index upon exposure to actinic radiation. The film permits passage of the actinic radiation through the film and into the substrate. In specific implementations, the film comprises at least about 30 atomic percent carbon, from about 0 to about 50 atomic percent silicon, and from about 0 to about 50 atomic percent oxygen on a hydrogen-free basis. Furthermore, a method of depositing a diamond-like film onto a glass substrate is disclosed, as well as fiber optic gratings.
Cette invention concerne un article en verre comprenant un substrat de verre et une pellicule de type diamant déposée sur le substrat. L'article en verre réagit à la radiation actinique en modifiant son indice de réfraction lorsqu'il est exposé à une radiation actinique. La pellicule permet le passage de la radiation actinique à travers la pellicule et dans le substrat. Dans des applications spécifiques, la pellicule comporte au moins environ 30 pour-cent atomique de carbone, environ 0 à 50 pour-cent atomique de silicium, et 0 à 50 pour-cent atomique d'oxygène sur une base exempte d'hydrogène. L'invention comporte également un procédé de dépôt d'une pellicule de type diamant sur un substrat de verre, ainsi que sur des réseaux de fibre optique.
Brennen James F. III
Cronk Bryon J.
David Moses M.
Gates Brian J.
Macdougall Trevor W.
3m Innovative Properties Company
Smart & Biggar
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