Fine copper powder and process for producing the same
US6395332B1 · kind B1 · utility
17Cited by
1References
2Claims
0Family size
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Key dates
| Filing date | Apr 28, 2000 |
| Grant date | May 28, 2002 |
| Priority date | — |
| Expiry date | Apr 28, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2991
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A process for producing fine copper powder characterized by comprising mixing fat and oil into a dendritic electrolytic copper powder having an average particle size of 20 to 35 &mgr;m and a bulk density of 0.5 to 0.8 g/cm3 to coat the surface of the electrolytic copper powder particles with the fat and oil and pulverizing the coated particles by means of a jet mill of collision plate type.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.