摘要:
A CaF.sub.2 passivation layer is applied on the surface of a superconducting oxide by evaporation which does not disrupt the superconductive properties of the superconducting oxide.
摘要:
The present invention provides a method of depositing a passivation layer on the surface of a superconducting ceramic oxide wherein the passivation layer is a layer of an oxide of Al, Bi, Si or Al-W.