Coated optical fiber and coated optical fiber with connector

Details Coated optical fiber and coated optical fiber with connector Coated optical fiber and coated optical fiber with connector

2004-02-19

2009-06-02

Le, Uyen Chau N (Department: 2874)

Optical waveguides

Optical transmission cable

Ribbon cable

Reexamination Certificate

active

07542644

ABSTRACT:
An object of the present invention is to provide a buffered optical fiber, which excels in environmental characteristics and mechanical characteristics and has high flame retardancy and excels in optical transmission characteristics, and to provide a buffered optical fiber, which is terminated with a connector and uses this buffered optical fiber. The buffered optical fiber of the invention is provided with a second coating layer on an outer peripheral surface of an optical fiber produced by providing a first coating layer on an outer peripheral surface of a glass fiber. A second resin composition constituting the second coating layer comprises 100 to 250 weight parts of metal hydroxide and 10 to 100 weight parts of a nitrogen-based flame retardant material per 100 weight parts of the base polymer. Further, the second resin composition does not contain halogenated materials.

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European Search Report issued in Patent Application No. 04 712 701.4-1234 dated on Nov. 6, 2008.
Japanese Office Action issued in corresponding Japanese Patent Application No. 2004-044074, dated Oct. 12, 2006.
Japanese Office Action issued in corresponding Japanese Patent Application No. 2003-043338, dated Oct. 12, 2006.

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