Pad structure with a nano-structured coating film
US8102063B2 · kind B2 · utility
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27Claims
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Key dates
| Filing date | Jan 11, 2010 |
| Grant date | Jan 24, 2012 |
| Priority date | — |
| Expiry date | Apr 30, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49155
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A pad structure includes a copper circuit pattern on a substrate, at least a gold layer stacked on the copper circuit pattern, and a nano-structured coating film stacked on the gold layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.