Copper alloy and liquid-crystal display device
US7782433B2 · kind B2 · utility
14Cited by
5References
20Claims
0Family size
Assignees
Inventor
Key dates
| Filing date | Sep 23, 2009 |
| Grant date | Aug 24, 2010 |
| Priority date | — |
| Expiry date | Sep 23, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/136295
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A method of forming an oxide film on a surface of a copper alloy, including the steps of providing a copper alloy including copper and an element selected from the group consisting of Mn, Zn, Ga, Li, Ge, Sr, Ag, Ba, Pr and Nd, and diffusing atoms of the element to a surface of the copper alloy so as to form an oxide film on the surface of the copper alloy,wherein a concentration of the element in the copper alloy is more than 0.1 and not more than 20 atomic percentage and within a solubility limit of the element in the copper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.