<p>A shaped article having a shape suitable for use as an antenna in which the material from which the antenna is constructed becomes electrically superconducting at a temperature which is not lower than the temperature at which liquid nitrogen boils. The material may be a ceramic material, for example an oxide material, eg YBa2Cu3Ox where x is between 6.5 and 7.2</p>
申请公布号
EP0337656(A2)
申请公布日期
1989.10.18
申请号
EP19890303379
申请日期
1989.04.05
申请人
IMPERIAL CHEMICAL INDUSTRIES PLC
发明人
ALFORD, NEIL MCNEIL;HARMER, MARK ANDREW;MACLEAN, THOMAS S.M.;GOUGH, COLIN E.;KHAMAS, SALAM;MEHLER, MICHAEL J.