Hydrazine bath for chemically depositing nickel and/or cobalt, and a method of preparing such a bath
US4844739A · kind A · utility
4Cited by
5References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 19, 1986 |
| Grant date | Jul 4, 1989 |
| Priority date | — |
| Expiry date | Nov 19, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C18/34
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The bath uses nickel-II-tri(ethylenediamine) hydroxide and/or cobalt-II-tri(ethylenediamine) hydroxide having the formula M(NH.sub.2 --C.sub.2 H.sub.4 --NH.sub.2).sub.3 (OH).sub.2 as a source of the metal to be deposited, where M represents nickel and/or cobalt, and where the ethylenediamine acts as the complexing agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.