Radiation attenuation shielding
US4869970A · kind A · utility
50Cited by
4References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 9, 1987 |
| Grant date | Sep 26, 1989 |
| Priority date | — |
| Expiry date | Nov 9, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12944
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An electromagnetic radiation attenuating coating comprising an electronic housing base material coating with a first electroless metal alloy of copper, a member from the group of nickel, cobalt and mixtures of nickel and cobalt, and phosphorus rich in copper and a second electroless metal alloy of copper, a member from the group of nickel, cobalt and mixtures of nickel land cobalt, and phosphorus rich in nickel. The coating provides superior radiation attenuation and comprises fewer processing steps in its formation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.