Water blocking optical fiber cable

The specification describes a water blocking tape for an optical fiber cable wherein the optical fibers in the cable are wrapped with a synthetic fibrous non-woven tape coated with a superabsorbent polymer powder coating. The particles in the powder are ultra-fine, i.e. have less than 10% weight fra...

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Bibliographic Details
Main Authors NORRIS RICHARD H, SMALL, JR. RICHARD DALTON, WEIMANN PETER A
Format Patent
LanguageEnglish
Published 07.01.2003
Edition7
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Summary:The specification describes a water blocking tape for an optical fiber cable wherein the optical fibers in the cable are wrapped with a synthetic fibrous non-woven tape coated with a superabsorbent polymer powder coating. The particles in the powder are ultra-fine, i.e. have less than 10% weight fraction over 250 microns in diameter, and less than 2% weight fraction over 300 microns in diameter. Controlling the particle size within this small range is found to reduce microbending losses in the optical fiber.
Bibliography:Application Number: US20010947904