| 摘要 |
PURPOSE:To provide a wiring material with high density and without wiring resistance by forming a superconductor of oxide type on a mono-crystal base plate with mono-crystals, and inclining the crystal surface to the base plate surface. CONSTITUTION:The superconductor of oxide type is oxide of rare earth and Co such as Ba2CuO4, and the crystal indicates perovskite structure. When a mono-crystal film having (011) surface of Ba2CuO4 is formed on, e.g., a sapphire surface base plate 1, a set of (001) surfaces parallel with each other and without electrical contact will be formed, in which a direction 4 as superconductive condition and a direction 5 to become an electrically insulating body coexist on the same base plate surface. On this surface terminals 6-8 are formed with Cu etc., by means of evaporation. Thereby the terminals 6, 7 lying on the same surface (001) are given electrical continuity without any electric resis tance, while those 7, 8 are put in insulated state, and consideration on arrange ment of these terminals should enable mounting of elements in high density.
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