Microfluidic device with ultraphobic surfaces
US6923216B2 · kind B2 · utility
63Cited by
22References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 2003 |
| Grant date | Aug 2, 2005 |
| Priority date | — |
| Expiry date | Sep 28, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24479
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A microfluidic device having durable ultraphobic fluid contact surfaces in the fluid flow channels of the device. The ultraphobic surface generally includes a substrate portion with a multiplicity of projecting regularly shaped microscale or nanoscale asperities disposed in a regular array so that the surface has a predetermined contact line density equal to or greater than a critical contact line density, and so that the ratio of the cross-sectional dimension of the asperities to the spacing dimension of the asperities is less than or equal to 0.1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.