Patent ID: 9042693
Filing Date: 2015-05-26
Classification: G02B

Abstract:
1. An optical-fiber cable, comprising: a plurality of optical fibers; a buffer tube enclosing said plurality of optical fibers, said buffer tube possessing a filling coefficient of at least about 0.20; a water-blocking element positioned between said plurality of optical fibers and said buffer tube, said water-blocking element comprising (i) a water-soluble, first carrier tape and (ii) water-swellable particulate powder bonded to said first carrier tape, wherein said water-blocking element at least partially surrounds said plurality of optical fibers, and wherein said first carrier tape is positioned adjacent to said plurality of optical fibers and said water-swellable powder is positioned opposite said plurality of optical fibers; and a polymeric cable jacket surrounding said buffer tube; wherein the optical-fiber cable complies with the GR-20-CORE temperature cycling requirement.