Colored optical fiber and optical fiber ribbon assembly containing said fiber
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United States of America Patent
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Feb 6, 2007
Grant Date -
Apr 1, 2004
app pub date -
Jun 15, 2001
filing date -
Jun 22, 2000
priority date (Note) -
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Abstract
Optical fiber ribbon having an optical fiber with a radiation curable internal coating and a radiation curable colored coating disposed to surround the internal coating, and a radiation curable matrix material surrounding one or more of the optical fibers to form a ribbon, in which: the colored coating has a degree of adhesion to the inner coating which is higher than the degree of adhesion to the matrix material; and the optical fiber in the optical fiber ribbon shows, upon aging of the ribbon for at least two weeks in water at 60.degree. C., an increase in the attenuation of the transmitted signal at 1550 nm of less than 0.05 db/km with respect to the attenuation of the assembled optical fiber measured before aging.
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