| 摘要 |
PCT No. PCT/US95/03574 Sec. 371 Date Dec. 26, 1996 Sec. 102(e) Date Dec. 26, 1996 PCT Filed Mar. 17, 1995 PCT Pub. No. WO95/25008 PCT Pub. Date Sep. 21, 1995Copper-containing surfaces, such as a copper surface for use in an electrical circuit, are protected by the provision of a bismuth coating. |
