Process for surface structuring of product having a sol-gel layer, product having a structured sol-gel layer
US8331026B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 3, 2008 |
| Grant date | Dec 11, 2012 |
| Priority date | — |
| Expiry date | Aug 27, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24479
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention relates to a process for surface structuring, that is to say, for meaning forming at least one array of patterns with a submillimeter scale characteristic lateral dimension on a flat surface of a product comprising a substrate bearing at least one layer resulting from a sol-gel process, where the structuring is done hot with a hydrolyzed sol layer based on alkoxides and/or halide(s) of at least one metal chosen among Si, Ti, Zr, W, Sb, Hf, Ta, V, Mg, Al, Mn, Co, Ni, Sn, Zn, and Ce with a nonreactive organic group, where the structuring is carried out by contact with a structured mask and exerting pressure as needed, and where the structuring is carried out in a temperature range suited for a sufficient condensation threshold ensuring the thermal hold of the structuring, with a total structuring time less than or equal to two hours. The invention also covers the resulting product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.