Optical fiber cable

Details Optical fiber cable Optical fiber cable

1997-09-02

1998-12-01

Ngo, Hung N.

Optical waveguides

Optical transmission cable

Loose tube type

385103, 385104, 385105, 385111, 385113, 385114, G02B 644

Patent

active

058450327

ABSTRACT:
An optical fiber cable comprises a slender base body having spiral grooves formed on the outer circumferential surface, and at least one optical fiber tape housed within each of said grooves, said tape including a plurality of insulated optical fibers and a resin coating layer covering said optical fibers. The base body is formed of a mixture of at least two materials differing from each other in the molecular weight distribution. The particular construction permits markedly suppressing an increase of transmission loss derived from micro-bend occurring in the optical fiber tape arranged within the base body, and also permits arranging optical fiber tapes within the base body at a higher density.

REFERENCES:
patent: 5193134 (1993-03-01), Pizzorno et al.
patent: 5224190 (1993-06-01), Chu et al.
patent: 5561730 (1996-10-01), Lochkovic et al.
patent: 5630002 (1997-05-01), Ota et al.
patent: 5638478 (1997-06-01), Iwakura et al.
patent: 5661836 (1997-08-01), Sano et al.
Microfilm of the specification and drawings annexed to the written application of Japanese Utility Model Application No. 171969/1987 (Laid-Open No. 103814/1989) (Sumitomo Electric Industries, Ltd.) Jul. 13, 1989.

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