Flow control in microfluidics devices by controlled bubble formation
US5992820A · kind A · utility
214Cited by
16References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 19, 1997 |
| Grant date | Nov 30, 1999 |
| Priority date | — |
| Expiry date | Nov 19, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/14395
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Provided is a fluid control device comprising: (a) a channel of capillary dimensions for conveying a liquid, (b) a bubble-forming device for forming a channel-blocking bubble in the channel, wherein such a bubble formed in the channel impedes the flow of the liquid through the channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.