Method of manufacturing an optical fiber having coatings of...

Optical waveguides – Optical fiber waveguide with cladding – Utilizing multiple core or cladding

Reexamination Certificate

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C385S127000, C385S123000, C385S141000, C427S162000, C427S163200

Reexamination Certificate

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06957002

ABSTRACT:
A method of coating an optical fiber constituted by a doped silica core (1) and by silica cladding (2) consists in surrounding the doped silica core (1) and the silica cladding (2) in coating constituted by a first coating portion (3) of photocurable resin and a second coating portion (4) made by extruding a thermoplastic polymer.

REFERENCES:
patent: 4690503 (1987-09-01), Janssen
patent: 4778244 (1988-10-01), Ryan
patent: 4906066 (1990-03-01), Ryan
patent: 5993965 (1999-11-01), Flat et al.
patent: 2005/0089297 (2005-04-01), Castellani et al.
patent: 0 516 438 (1992-12-01), None
Patent Abstracts of Japan, vol. 010, No. 266, Sep. 11, 1986 corresponding to JP 6091610 A (Showa Electric Wire & Cable Co, Ltd) dated May 9, 1986.
Fumio Yamoto, “Jacketing of Optical fibers with Ordered Thermotropic Liquid Crystal Polyesters”, Molecular Crystals and Liquid Crystals (Inc. Nonlinear Optics) Great Britain, vol. 153, No. Part A, Dec. 1, 1987, pp. 423-450 XP000000791.

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