Flexible optical waveguide, method for manufacturing such...

G - Physics – 02 – B

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G02B 6/122 (2006.01)

Patent

CA 2643792

A flexible optical waveguide is manufactured by using an optical waveguide forming resin film for at least a lower clad layer or a core layer or an upper clad layer. The ten-point average roughness (Rz) of the surface of either the lower clad layer or the upper clad layer is 0.5µm or more but not more than 10µm. A method for manufacturing the flexible optical waveguide and an optical module using the flexible optical waveguide are also provided. The flexible optical waveguide having excellent adhesiveness in composition with an electric wiring board and in multilayer of the flexible optical waveguide, and the method for manufacturing the flexible optical waveguide, and the optical module using the flexible optical waveguide are provided.

L'invention concerne un guide d'onde optique flexible que l'on obtient en utilisant un film de résine constituant un guide d'onde optique pour au moins une couche de revêtement inférieure ou bien une couche centrale ou une couche de revêtement supérieure. La rugosité moyenne de dix points (Rz) de la surface de la couche de revêtement inférieure ou de la couche de revêtement supérieure est supérieure ou égale à 0,5 µm mais sans dépasser 10 µm. L'invention concerne également un procédé de fabrication du guide d'onde optique flexible et un module optique utilisant le guide d'onde optique flexible. L'invention concerne enfin un guide d'onde optique flexible présentant une excellente adhérence en composition avec un tableau de connexions électriques et en multicouche du guide d'onde optique flexible, le procédé de fabrication du guide d'onde optique flexible, et le module optique utilisant le guide d'onde optique flexible.

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