Resin liquid for optical fiber coating layer

Details Resin liquid for optical fiber coating layer Resin liquid for optical fiber coating layer

2006-06-27

2006-06-27

Font, Frank G. (Department: 2883)

Optical waveguides

Having particular optical characteristic modifying chemical...

Of waveguide cladding

C385S123000, C385S126000, C385S127000, C385S128000, C385S141000, C385S145000

Reexamination Certificate

active

07068908

ABSTRACT:
A resin liquid is provided which is used to produce an optical fiber coating layer which does not degrade over time in long-period transmission characteristics of the optical fiber. An optical fiber in which long-period transmission characteristics do not degrade is also provided. In order to achieve these objects, the present invention provides a resin liquid for an optical fiber coating layer containing at least one resin, wherein the resin liquid contains fewer than 500 pieces of extraneous material per 1 ml of the resin liquid, which have a minimum length of 0.5 μm or more and a hardness greater than a hardness of the resin liquid after curing.

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patent: 5190364 (1993-03-01), Imoto et al.
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patent: 05-203847 (1993-08-01), None
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patent: 09-156966 (1997-06-01), None

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