COATED OPTICAL FIBER AND COATED OPTICAL FIBER RIBBON

PROBLEM TO BE SOLVED: To provide a coated optical fiber and a coated optical fiber ribbon in which an adhesive strength of a colored layer is improved. SOLUTION: Ultraviolet ray irradiation quantity and atmospheric oxygen are controlled during the hardening of an optical fiber coating layer resin, s...

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Bibliographic Details
Main Authors UI KEISUKE, MOCHIZUKI KOJI, SATO TETSUO, NAKAJIMA YASUO, ARASHITANI YOSHIHIRO, SENOO ATSUYOSHI
Format Patent
LanguageEnglish
Published 28.06.2007
Subjects
MEASURING
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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Summary:PROBLEM TO BE SOLVED: To provide a coated optical fiber and a coated optical fiber ribbon in which an adhesive strength of a colored layer is improved. SOLUTION: Ultraviolet ray irradiation quantity and atmospheric oxygen are controlled during the hardening of an optical fiber coating layer resin, so that the surface condition of a primary coated optical fiber is optimized relative to the adhesiveness in the coating of the colored layer resin. The evaluation of the optimization is performed in a manner that a dynamic contact angle (α-β) to pure water as determined by the Wilhelmy method is ≥29°. In particular, peeling of the colored layer is prevented in the fiber separation of an optical fiber from a coated optical fiber ribbon. COPYRIGHT: (C)2007,JPO&INPIT
Bibliography:Application Number: JP20050361835