Copper alloy material for parts of electronic and electric machinery and tools
US7172662B2 · kind B2 · utility
2Cited by
16References
8Claims
0Family size
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Key dates
| Filing date | Jan 30, 2003 |
| Grant date | Feb 6, 2007 |
| Priority date | — |
| Expiry date | Mar 29, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12993
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A copper alloy material for parts of electronic and electric machinery and tools contains 1.0 to 3.0 mass % of Ni, 0.2 to 0.7 mass % of Si, 0.01 to 0.2 mass of Mg, 0.05 to 1.5 mass % of Sn, 0.2 to 1.5 mass % of Zn, and less than 0.005 mass % (including 0 mass %) of S, with the balance being Cu and inevitable impurities, wherein the copper alloy material has:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.