One-directional microball valve for a microfluidic device
US6817373B2 · kind B2 · utility
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9References
4Claims
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Key dates
| Filing date | Apr 30, 2003 |
| Grant date | Nov 16, 2004 |
| Priority date | — |
| Expiry date | Apr 30, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/791
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A microfluidic device that includes a micro ball valve is provided. The microball valve is capable of preventing or interrupting fluid flow through the microfluidic device. The microfluidic device can include a substrate layer, and a microfluidic pathway that includes the microball valve. Methods are provided for manipulating fluids using the microfluidic device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.