B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
18/103
B29D 11/00 (2006.01) G02B 6/10 (2006.01)
Patent
CA 1281517
ABSTRACT OF THE DISCLOSURE The present invention provides a method of manufacturing an optical fiber of high heat- resisting and light-receiving properties as well as greater flexibility. The optical fiber of the present invention comprises a core made of a setting type transparent silicone rubber, and an outer portion made of a high molecular weight transparent substance whose refractive index is at least 0.02 less than that of the core. Silicon rubber is injected into the cylindrical inner portion and set, and the silicone rubber and the inner portion are thereafter subjected to heat treatment at a temperature of 120°C or more for at least 1 hour.
549253
Saen Haruo
Ueno Keiji
Riches Mckenzie & Herbert Llp
Sumitomo Electric Industries Ltd.
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