Electricity: conductors and insulators – Conduits – cables or conductors – Superconductors
Reexamination Certificate
2005-07-26
2005-07-26
Cuneo, Kamand (Department: 2827)
Electricity: conductors and insulators
Conduits, cables or conductors
Superconductors
C505S220000, C505S230000
Reexamination Certificate
active
06921865
ABSTRACT:
Electrical connection of superconducting lines can be achieved by using a low-melting point metal, by mechanical contact of superconducting lines or by welding. According to these methods, however, critical current and critical magnetic field at the connection point are low, and stable connection in a superconducting state has been difficult. The present invention solves these problems and provides a structure and method for connecting superconducting lines. The present invention provides high-performance, high-stability connection of superconducting lines through magnesium diboride (MgB2) powder arranged between superconducting lines.
REFERENCES:
patent: 5134040 (1992-07-01), Benz et al.
patent: 5786304 (1998-07-01), Kimura et al.
patent: 6429174 (2002-08-01), Sengupta
patent: 6514557 (2003-02-01), Finnemore et al.
patent: 2001102105 (2001-04-01), None
Nature, vol. 410, Mar. 1, 2001, pp. 63-64.
Morita Hiroshi
Okada Michiya
Suzuki Yasuo
Tanaka Kazuhide
Crowell & Moring LLP
Cuneo Kamand
Hitachi , Ltd.
Norris Jeremy
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