Acidic plating bath and additives for electrodeposition of bright tin
US3977949A · kind A · utility
12Cited by
3References
25Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 7, 1975 |
| Grant date | Aug 31, 1976 |
| Priority date | — |
| Expiry date | Jul 7, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25D3/32
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An aqueous acid tin electroplating bath contains as a brightening agent an alkoxy naphthalene carboxaldehyde, certain emulsifying agents and certain synergistically acting carboxylic acids, amides, and esters to give extremely bright electrodeposits.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.