Cathode head
US4385978A · kind A · utility
11Cited by
6References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 14, 1981 |
| Grant date | May 31, 1983 |
| Priority date | — |
| Expiry date | Sep 14, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S204/07
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An improved cathode head is disclosed for electroforming record matrixes. The cathode head includes a conductive cathode plate which is of approximately the same diameter as the matrix to be electroplated so that electrical contact is made to substantially the entire diameter of the matrix during electroforming.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.