Composite cable
First Claim
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1. A fiber-optic cable comprising:
- (a) a tube;
(b) a stack of optical fiber ribbons located in the tube, the stack comprising;
(b1) a corner fiber located at a corner of the stack, the corner fiber comprising a coating having an outer diameter that is approximately 200 micrometers, the corner fiber being compliant with ITU-T G.657.A2;
(b2) an edge fiber located at an edge of the stack, the edge fiber comprising a coating having an outer diameter that is approximately 200 micrometers; and
(b3) an internal fiber located within the stack, the internal fiber having a higher sensitivity to bending than the corner fiber, the internal fiber comprising a coating having an outer diameter that is approximately 200 micrometers, the internal fiber being compliant with ITU-T G.652.D;
(c) a strength rod located parallel to the tube; and
(d) an outer jacket surrounding the stack, the tube, and the strength rod.
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Abstract
An optical fiber cable comprising a stack of optical fiber ribbons. The stack comprises corner fibers at the corners of the stack, edge fibers the edges of the stack, and internal fibers that are internal to the stack. The corner fibers have a higher tolerance to fiber bending (or lower sensitivity to bending) than the internal fibers.
28 Citations
10 Claims
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1. A fiber-optic cable comprising:
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(a) a tube; (b) a stack of optical fiber ribbons located in the tube, the stack comprising; (b1) a corner fiber located at a corner of the stack, the corner fiber comprising a coating having an outer diameter that is approximately 200 micrometers, the corner fiber being compliant with ITU-T G.657.A2; (b2) an edge fiber located at an edge of the stack, the edge fiber comprising a coating having an outer diameter that is approximately 200 micrometers; and (b3) an internal fiber located within the stack, the internal fiber having a higher sensitivity to bending than the corner fiber, the internal fiber comprising a coating having an outer diameter that is approximately 200 micrometers, the internal fiber being compliant with ITU-T G.652.D; (c) a strength rod located parallel to the tube; and (d) an outer jacket surrounding the stack, the tube, and the strength rod. - View Dependent Claims (2, 3, 4, 5)
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6. A fiber-optic cable comprising:
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a stack of optical fiber ribbons; an internal fiber located within the stack, the internal fiber comprising a coating having an outer diameter that is approximately 200 micrometers, the internal fiber being compliant with ITU-T G.652.D; a corner fiber located at a corner of the stack, the corner fiber having a lower sensitivity to bending than the internal fiber, the corner fiber comprising a coating having an outer diameter that is approximately 200 micrometers, the corner fiber being compliant with ITU-T G.657.A2; and an edge fiber located at an edge of the stack, the edge fiber comprising a coating having an outer diameter that is approximately 200 micrometers. - View Dependent Claims (7, 8, 9, 10)
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Specification