1981-04-30
1983-08-30
Lee, John D.
G02B 516
Patent
active
044013663
ABSTRACT:
Optical cable in which an optical waveguide within a protective sheath is in contact with a mixture of hydrophilic and hydrophobic powders, the hydrophilic powder being non-swellable and forming a viscous solution in contact with water to prevent ice crystal formation.
REFERENCES:
patent: 3538235 (1970-11-01), Arendt et al.
patent: 4259540 (1981-03-01), Sabia
patent: 4273597 (1981-06-01), Garner et al.
patent: 4324453 (1982-04-01), Patel
patent: 4331379 (1982-05-01), Oestreich et al.
patent: 4333706 (1982-06-01), Davis et al.
Bresser, "Waterblocking in Optical Cables," Proc. of 29th Int. Wire & Cable Symposium, Cherry Hill, N.J., Nov. 1980, pp. 290-298.
Austin R. J.
Lee John D.
Northern Telecom Limited
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