G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 6/44 (2006.01) G02B 6/04 (2006.01)
Patent
CA 2228367
Provided is an improved optical fiber ribbon unit made of a plurality of coated optical glass fibers each further coated with a cured colored composition, and a matrix material which binds the plurality of colored optical fibers together. The bonding force between the cured colored composition and the coated optical fibers is greater than the bonding force between said cured colored composition and said matrix material, and the matrix material is selected or formulated to provide a modulus and Tg sufficiently high such that, when opposing pressure is applied to the ribbon unit using the fingers of a human hand, the matrix material buckles and separates from said colored coated optical fibers instead of compressing and absorbing the opposing pressure. Also provided are a method of making the ribbon unit, and a method of achieving mid-span access to individual optical fibers contained within the ribbon unit.
L'invention porte sur un ruban de fibres optiques améliorées composé d'une pluralité de fibres de verre optiques enrobées, dont chacune est recouverte d'un revêtement coloré durci, puis noyées dans une matrice qui les réunit. La force de liaison entre le revêtement coloré et les fibres enrobées est plus élevée que celle liant ce même revêtement à la matrice, et le matériau de la matrice est choisi ou formulé de manière à ce que son module et son Tg soient suffisamment élevés pour que, lorsqu'une pression du doigt est appliquée sur le ruban, le matériau de la matrice cède et se sépare de la fibre au lieu de se comprimer et d'absorber la pression exercée. L'invention porte également sur le procédé de fabrication dudit ruban, et sur une méthode permettant d'accéder individuellement à mi-longueur aux fibres du ruban.
Abel Adrianus Gijsbertus Maria
Szum David M.
Dsm N.v.
Fetherstonhaugh & Co.
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