1981-10-21
1984-07-10
Lee, John D.
350 9623, 350 9634, G02B 5172
Patent
active
044589867
ABSTRACT:
A plastic fiber or an assembly thereof provided with first and second layers. The plastic fiber includes a core portion and a clad portion having lower refractive index than that of the core portion. The fiber is provided with the first coating formed over said clad portion. The first coating is formed of a saponification product of ethylene-vinyl acetate (EVA) copolymer, and the second coating is formed over said first coating and is made of a thermoplastic resin.
REFERENCES:
patent: 3930103 (1975-12-01), Chimura et al.
patent: 3980390 (1976-09-01), Yamamoto et al.
patent: 3999834 (1976-12-01), Ohtomo et al.
patent: 4105284 (1978-08-01), Olshansky
patent: 4147407 (1979-04-01), Eichenbaum et al.
Oikawa et al., "Plastic Optical Fibre With Improved Transmittance," Electron. Lett., vol. 15, No. 25, Dec. 1979, pp. 829-830.
Kameo Yuji
Yuto Masao
Lee John D.
Sumitomo Electric Industries Ltd.
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