Optical waveguides – Optical transmission cable
Reexamination Certificate
2007-02-13
2007-02-13
Hyeon, Hae Moon (Department: 2839)
Optical waveguides
Optical transmission cable
C385S102000
Reexamination Certificate
active
10862541
ABSTRACT:
An optical tube assembly having at least one optical waveguide, at least one dry insert, and a tube. In one embodiment, the dry insert has a first layer and a second layer attached together with an adhesive. The dry insert also includes a plurality of particles having an average particle size of about 600 microns or less for inhibiting microbending. The first layer may be a polyurethane foam having an average cell size of about 1000 microns or less and the second layer is a water-swellable layer. The dry insert is disposed within the tube and generally surrounds the at least one optical waveguide and the tube assembly can be a portion of a fiber optic cable.
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Greenwood Jody L.
Lail Jason C.
Parsons Alan T.
Temple, Jr. Kenneth D.
Carroll Jr. Michael E.
Corning Cable Systems LLC
Hyeon Hae Moon
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