Anti-corrosion treatment process for aluminum or aluminum alloy and aluminum or aluminum alloy article thereof
US8507085B2 · kind B2 · utility
1Cited by
2References
20Claims
0Family size
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Key dates
| Filing date | Jul 5, 2011 |
| Grant date | Aug 13, 2013 |
| Priority date | — |
| Expiry date | Jan 5, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31544
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An aluminum or aluminum alloy article is described. The aluminum or aluminum alloy article includes an aluminum or aluminum alloy substrate, a barrier layer formed on the substrate, a color layer formed on the barrier layer, and an insulation layer formed on the color layer. The barrier layer and the color layer are formed by vacuum sputtering. The barrier layer is a layer of silver-aluminum-oxygen-nitrogen. The insulation layer is an external layer of the aluminum or aluminum alloy article.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.