Dielectric optical fiber cables which are magnetically locatable

Details Dielectric optical fiber cables which are magnetically locatable Dielectric optical fiber cables which are magnetically locatable

1993-02-02

1994-04-19

Bovernick, Rodney B.

Optical waveguides

Optical transmission cable

Loose tube type

385100, G02B 644

Patent

active

053054105

ABSTRACT:
The present invention provides a dielectric optical fiber cable which is capable of being remotely detected while buried. Specifically, this invention incorporates magnetic materials into existing superabsorbent tapes which are commonly used to provide water-blocking capabilities in nearly all optical fiber cables. One embodiment of the present invention includes a tape which has been treated with a blend of neodymium iron boron and superabsorbent powders.

REFERENCES:
patent: 4407561 (1983-10-01), Wysocki
patent: 4678273 (1987-07-01), Vilhelmsson
patent: 4701014 (1987-10-01), Gartside et al.
patent: 4874219 (1989-10-01), Arroyo et al.
patent: 5006806 (1991-04-01), Rippingale et al.
patent: 5017873 (1991-05-01), Rippingale et al.
patent: 5189718 (1993-02-01), Barrett et al.

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