Micro-fluidic chip, fabricating method and driving method thereof
US11351547B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Mar 26, 2019 |
| Grant date | Jun 7, 2022 |
| Priority date | — |
| Expiry date | Oct 20, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01L2400/0427
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Micro-fluidic chip comprises substrate and plurality of driving circuits on substrate, each of plurality of driving circuits comprising: driving electrode comprising first electrode plate and second electrode plate made of different materials on substrate, first electrode plate being electrically coupled to second electrode plate; and detecting sub-circuit comprising first signal terminal electrically coupled to first electrode plate and second signal terminal electrically coupled to second electrode plate, wherein micro-fluidic chip further comprises: voltage supply sub-circuit configured to supply driving voltage to first signal terminal to control droplet to move toward driving circuit during droplet driving stage, and configured to supply constant voltage to first signal terminal, during temperature detecting stage, and wherein detecting sub-circuit is configured to measure voltage difference between first signal terminal and second signal terminal, and obtain temperature of droplet on second electrode plate according to voltage difference, during temperature detecting stage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.