OPTICAL FIBER CABLE

PROBLEM TO BE SOLVED: To make the external diameter of an optical fiber cable small relatively to the number of coated optical fibers by optimizing the stack constitution of stacked ribbons of coated optical fibers and minimizing the diameter of a circle (c) encircling the section of a cable core. S...

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Main Authors AKASAKA NOBUHIRO, YOKOGAWA TOMOYUKI, HOKARI KAZUO, OKADA NAOKI, SATO TAKAHIRO, ISHIKAWA HIROKI, YASUTOMI TETSUYA
Format Patent
LanguageEnglish
Published 27.11.2002
Edition7
Subjects
BASIC ELECTRIC ELEMENTS
CABLES
CONDUCTORS
ELECTRICITY
INSULATORS
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
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Summary:PROBLEM TO BE SOLVED: To make the external diameter of an optical fiber cable small relatively to the number of coated optical fibers by optimizing the stack constitution of stacked ribbons of coated optical fibers and minimizing the diameter of a circle (c) encircling the section of a cable core. SOLUTION: A stack body 2 is formed by stacking ribbons 1 of coated optical fibers, the cable core 4 is formed by adding the same ribbons 1 of coated optical fibers as that of the stack body 2 along both the flanks of the stack body 2, and the optical fiber cable is obtained by providing a coating layer around the outer periphery of the cable core 4. Here, |(2n-N)×a-b|<a when the numbers of ribbons of coated optical fibers added along the flanks are different from each other or |(2n-N)×a-b|<2a when equal is satisfied, where (a) is the thickness of a ribbon of coated optical fibers, (b) the ribbon width, N the total number of the ribbons of coated optical fibers in use, and (n) the number of the stack bodies.
Bibliography:Application Number: JP20010150989