Optical fiber ribbon
First Claim
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1. An optical fiber ribbon comprising:
- a plurality of coated optical fibers; and
a collective coating layer containing an ultraviolet curable resin containing amorphous polypropylene glycol in the form of an oligomer, the collective coating layer formed around the coated optical fibers, whereinthe collective coating layer has an equilibrium elastic modulus of 12 MPa to 20 MPa, both inclusive, and a yield point elongation of 5% to 9%, both inclusive, andan adhesion between the collective coating layer and outermost layers of the coated optical fibers is 12 N/cm to 15 N/cm, both inclusive.
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Abstract
An optical fiber ribbon according to the present invention includes a collective coating layer containing an ultraviolet curable resin containing amorphous PPG and an amorphous monomer, the collective coating layer formed around coated optical fibers. The collective coating layer has an equilibrium elastic modulus of 12 MPa to 20 MPa, both inclusive, and a yield point elongation of 5% to 9%, both inclusive, and the adhesion between the collective coating layer and the outermost layers of the coated optical fibers is 12 N/cm to 15 N/cm, both inclusive.
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2 Claims
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1. An optical fiber ribbon comprising:
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a plurality of coated optical fibers; and a collective coating layer containing an ultraviolet curable resin containing amorphous polypropylene glycol in the form of an oligomer, the collective coating layer formed around the coated optical fibers, wherein the collective coating layer has an equilibrium elastic modulus of 12 MPa to 20 MPa, both inclusive, and a yield point elongation of 5% to 9%, both inclusive, and an adhesion between the collective coating layer and outermost layers of the coated optical fibers is 12 N/cm to 15 N/cm, both inclusive. - View Dependent Claims (2)
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Current AssigneeFurukawa Electric Company Limited
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Original AssigneeFurukawa Electric Company Limited
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InventorsTanaka, Hiroki, Saito, Minoru, Watanabe, Hirotaka, Ito, Hiroaki, Ishii, Yukio, Arashitani, Yoshihiro
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Primary Examiner(s)Connelly, Michelle R
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Application NumberUS14/704,503Publication NumberTime in Patent Office462 DaysField of SearchNoneUS Class Current1/1CPC Class CodesG02B 6/44 Mechanical structures for p...G02B 6/4403 with ribbon structure G02B6...G02B 6/443 Protective covering
