Optical fiber with water-blocking

Details Optical fiber with water-blocking Optical fiber with water-blocking

2011-03-01

2011-03-01

Sanghavi, Hemang (Department: 2874)

Optical waveguides

Optical transmission cable

C385S105000, C385S114000, C427S163200, C427S508000, C427S512000

Reexamination Certificate

active

07899291

ABSTRACT:
Polymer-coated transmission media having water-blocking material embedded in the outer surface of the transmission media prevents water penetration into the transmission media and reduces the overall diameter of a cable made from the transmission media by eliminating a water-blocking tape layer in the cable. The outer surface of the transmission media is a polymer whose outer surface is embedded with a water-blocking material. The water-blocking material is applied before the polymer is cured. The transmission media may be any known type of optical media, which guides a light within the optical media. In various embodiments, optical fibers, buffered optical fibers and fiber ribbons are used as the transmission media.

REFERENCES:
patent: 4867526 (1989-09-01), Arroyo
patent: 5684904 (1997-11-01), Bringuier et al.
patent: 6103317 (2000-08-01), Asai et al.
patent: 6290887 (2001-09-01), Sheu et al.
patent: 6418259 (2002-07-01), MC Nutt et al.
patent: 2003/0178222 (2003-09-01), Moore et al.

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