Patents Examined by Trindad Korke
  • Aluminum-stabilized superconductor and superconducting coil, and method of manufacturing the superconductor
    Patent number: 5189386
    Abstract: Disclosed is a superconductor which has an aluminum area at the center of the cross section of the superconductor and a copper-covered multifilamentary NbTi composite conductor at the periphery parts of the cross section formed around the aluminum area, wherein the cross-sectional area ratio of (Cu+Al)/NbTi is in the range of 0.5 to 3.0 and the cross-sectional area ratio of Al/Cu is in the range of 0.05 to 0.5..
    Type: Grant
    Filed: August 28, 1991
    Date of Patent: February 23, 1993
    Assignees: Hitachi, Ltd., Hitachi Cable Ltd.
    Inventors: Naofumi Tada, Fumio Iida, Ryukichi Takahashi, Naoki Maki, Shuji Sakai, Yoshiji Hotta