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AssigneePrysmian Cavi E Sistemi Energia S.R.L.
InventorsAdrianus Gijsbertus Maria Abel, Albert Allan De Vries, Gouke Dirk Jan Geus, Johannes Cornelis Van Den Burg, Johannes Adrianus Van Eekelen, Alessandro Ginocchio, Massimo Pizzorno
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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° 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.
Optical fiber comprising a radiation curable internal coating and a radiation curable colored coating disposed to surround said internal coating, wherein, when said fiber is coated with a radiation curable matrix material and assembled into an optical fiber ribbon:
Optical fiber ribbon comprising a plurality of optical fibers bound together by a radiation curable matrix material, said fibers comprising a radiation curable internal coating layer and a radiation curable colored coating layer disposed to surround said internal coating, wherein said colored coating layer has a degree of adhesion to the internal coating which is higher than the degree of adhesion to the matrix material, said degree of adhesion to the matrix material being however sufficiently high such that said optical fibers shows, upon aging for at least two weeks in water at 60° 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 optical fibers measured before aging.
Optical fiber comprising a radiation curable internal coating and a radiation curable colored coating disposed to surround said internal coating wherein said colored coating comprises
Dependencies are inferred from the claim text.