Japanese Patent JPH0572042

B2

PURPOSE:To make it possible to obtain compound fiber of an inter-graphite layer that has a higher transition temperature to super conductivity and no break and tear on the fiber surface by preparing compound fiber of inter- graphite layer having a specific layer and making its transition temperature to super conductivity at 1.3 to 1.5K in absolute temperature. CONSTITUTION:This is compound fiber of an inter-layer having a layer composed of mercuric potassium-graphite inter-layer compound applied to the external layer of a core strand, and having transition temperature to super conductivity at 1.3 to 1.5K in absolute temperature. The core strand plays a role as a substrate material for the external layer and any material may be used, but carbon fiber is especially desirable for the core strand. Carbon fiber may be composed of a monofilament or multifilaments. It should be noted that the inter-mercuric potassium-graphite compound is a compound generally expressed as C4nKHg (n is a natural number) in composition formula. With this procedure it is possible to obtain a fiber composed of an inter-graphite-layer compound with high electric conductivity, prominent super conductivity in having the transition point in a range from 1.3 to 1.5K, and stable shape.

FUKUDA SEIJI
TSUKAMOTO JUN

JP7477388A

October 08, 1993

March 30, 1988

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KOGYO GIJUTSUIN

D06M11/00; D01F9/12; D01F9/14; D01F11/10; D06M11/83; D06M15/00; H01B1/02; H01B12/02; H01B12/06; H01B13/00; D06M101/00; D06M101/40; (IPC1-7): H01B12/06; D01F9/12; D01F9/14; D01F11/10; D06M11/00; H01B13/00

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