Optical waveguides – Optical transmission cable – Tightly confined
Patent
1990-04-02
1993-02-23
Silverberg, Sam
Optical waveguides
Optical transmission cable
Tightly confined
148246, 148262, 72 42, C23F 1500
Patent
active
051897202
ABSTRACT:
A method for manufacturing a steel wire material for reinforcing an optical fiber is proposed. In this method, a steel wire is firstly subjected to a chemical conversion treatment. The wire is then drawn with a reduction of area of 30% or more. As a result, a coating capable of effectively restraining the production of hydrogen is formed on the surface of the wire.
REFERENCES:
patent: 2875111 (1959-02-01), Wilkinson
Murai Teruyuki
Yamamoto Susumu
Silverberg Sam
Sumitomo Electric Industries Ltd.
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