Method of applying protective coating to silica-containing...

C - Chemistry – Metallurgy – 03 – C

Patent

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Details

C03C 17/00 (2006.01) B05D 5/08 (2006.01) C03B 37/012 (2006.01) C03B 37/014 (2006.01) C03B 37/027 (2006.01) C03C 17/30 (2006.01) C03C 17/32 (2006.01)

Patent

CA 2364456

A method of protecting a silica-containing article (10) used in the manufacture of an optical fiber includes the step of applying to the silica- containing article a protective layer (30) that facilitates removal of particulates (20) that deposit on the protective layer (30) and that ablates during or can be removed before subsequent processing of the silica-containing article (10). An intermediate product used in the manufacture of an optical fiber and protected against break-inducing particulates (20) includes a silica- containing article (10), and a protective layer (30) that facilitates removal of particulates (20) that have deposited on the protective layer (30) and that can be ablated during or removed before subsequent processing of the intermediate product.

La présente invention concerne un procédé de protection d'un article (10) contenant de la silice utilisé dans la fabrication d'une fibre optique, procédé selon lequel on applique sur l'article contenant de la silice une couche protectrice (30) facilitant le retrait de particules (20) qui se déposent sur la couche protectrice (30), celle-ci pouvant se décomposer pendant ou pouvant être retirée avant le traitement ultérieur de l'article (10) contenant de la silice. L'invention concerne également un produit intermédiaire, utilisé dans la fabrication d'une fibre optique et protégé contre des particules (20) pouvant causer une cassure, et qui comprend un article (10) contenant de la silice, ainsi qu'une couche protectrice (30) facilitant le retrait de particules (20) qui se sont déposées sur la couche protectrice (30) et pouvant se décomposer pendant ou être retirée avant le traitement ultérieur du produit intermédiaire.

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