Optical waveguides – Optical fiber waveguide with cladding – Utilizing multiple core or cladding
Patent
1996-11-19
1998-05-05
Palmer, Phan T. H.
Optical waveguides
Optical fiber waveguide with cladding
Utilizing multiple core or cladding
385126, 385127, G02B 602, G02B 622
Patent
active
057488266
ABSTRACT:
An optical fiber core consists of an optical fiber, an ultraviolet curable resinous layer which covers an outside circumferential part of an optical fiber, and a covering layer covering an outside circumferential part of ultraviolet curable resinous layer. In addition, the covering layer is composing of a first covering layer using flexible thermoplastic resin and second covering layer using thermoplastic resin of semi-hard or hard material in order that it sufficiently fulfills squeezing, tensile, bending, temperature, and lateral pressure characteristics and an economic efficiency.
REFERENCES:
patent: 5381504 (1995-01-01), Novack et al.
patent: 5644670 (1997-07-01), Fukuda et al.
Nagano Ryuichiro
Nagase Yoichi
Tamura Hajime
Nippon Telegraph and Telephone Corporation
Palmer Phan T. H.
Toyokuni Electric Cable Co., Ltd.
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