Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
PRODUCTION OF OXIDE SUPERCONDUCTOR
Document Type and Number:
Japanese Patent JPH01275408
Kind Code:
A
Abstract:

PURPOSE: To simplify the forming of an oxide superconductor and to increase the density and transition temp. by adding silver or a silver compd. to starting material for the oxide superconductor, mixing them and heating this mixture in an atmosphere contg. oxygen.

CONSTITUTION: Silver or a silver compd. such as Ag2O2 is added to starting material for an oxide superconductor, e.g., prepd. by blending Y2O3 with BaCO3 and CuO in 1:2:3 weight ratio of Y:Ba:Cu and 0.1W30wt.% of the amt. of the starting material and they are mixed. This mixture is melted by heating to ≥850°C in an electric furnace in the air and the resulting melt is cooled.


Inventors:
MIKAWA IZUMI
KONAKA TSUNEO
ISHIHARA HIROSHI
MATSUURA TAKETOSHI
Application Number:
JP10016488A
Publication Date:
November 06, 1989
Filing Date:
April 25, 1988
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NIPPON TELEGRAPH & TELEPHONE
International Classes:
H01L39/24; C01B13/14; C01G1/00; C01G3/00; C01G29/00; C04B35/00; C04B35/45; H01B12/02; H01B13/00; (IPC1-7): C01B13/14; C01G3/00; C01G29/00; C04B35/00; H01B12/02; H01B13/00; H01L39/24
Attorney, Agent or Firm:
Yoshikazu Tani