To provide a substrate which can be used as a substrate and can solve problems that the substrate itself is corroded during an electrochemical oxidation treatment, or the electrolysis cannot be continued by separating a diamond layer from the substrate, or the electrolytic efficiency is considerably degraded, and an electrode.
A diamond-covered substrate comprises a substrate and a conductive diamond layer covering the substrate, and the maximum area of a continuous portion of the diamond film constituting the diamond layer is 1 m2 and 100 mm2. In particular, the thickness of the diamond layer is preferably 3-100 m, and roughness Ra of the surface of the substrate is 0.1 m. In particular, the material of the substrate covered by the conductive diamond layer is any one of Nb, Ta, Zr and W.
IZUMI KENJI
IMAI TAKAHIRO
| JP2006076851A | 2006-03-23 | |||
| JPH0230697A | 1990-02-01 | |||
| JP2006070287A | 2006-03-16 | |||
| JPH11130978A | 1999-05-18 | |||
| JP2001140030A | 2001-05-22 | |||
| JPH06318588A | 1994-11-15 | |||
| JPH09268395A | 1997-10-14 | |||
| JPH06128086A | 1994-05-10 | |||
| JP2006010357A | 2006-01-12 |
| WO2004104272A1 | 2004-12-02 |
Norio Kagami
Jun Komatsu
Hidetake Komatsu