Fluidic impedances in microfluidic system
US6561208B1 · kind B1 · utility
55Cited by
33References
41Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 14, 2000 |
| Grant date | May 13, 2003 |
| Priority date | — |
| Expiry date | Apr 14, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86035
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The invention provides microfluidic devices with embedded fluidic impedances. Such impedances do not allow fluid to pass at a low differential pressure, but allow fluid to flow at a higher differential pressure. Impedances are formed by the three dimensional overlap of two or more channels contained within layers of the device. Such devices can be rapidly protyped and can be assembled to contain multiple fluidic impedances to perform complex fluid handling tasks, including metering defined volumes of samples and dividing samples into aliquots.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.