Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1995/05/25 Vol. E78-CNo. 5pp. 476-480 Type of Manuscript: Special Section PAPER (Special Issue on Superconducting Electronics and Its Applications) Category: Three terminal devices and Josephson Junctions Keyword: oxide superconductor, YBa2Cu3Ox, PrBa2Cu3Oy, Au/PBCO/YBCO structure,