Microfluidic device with multiple temperature zones and enhanced temperature control
US10695761B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 30, 2017 |
| Grant date | Jun 30, 2020 |
| Priority date | — |
| Expiry date | Oct 30, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01L2400/0427
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A microfluidic system is configured for enhanced temperature control by combining spatial and temporal temperature control. The microfluidic system includes an electro-wetting on dielectric (EWOD) device comprising an element array configured to receive one or more liquid droplets, the element array comprising a plurality of individual array elements; a control system configured to control actuation voltages applied to the element array to perform manipulation operations of the liquid droplets; and a plurality of thermal control elements located at different spatial locations along the EWOD device, at least one of the thermal control elements being variable in temperature with respect to time. The control system includes a thermal control unit configured to control temperatures of the thermal control elements to generate a plurality of thermal zones located at different spatial locations along the EWOD device, at least one of the thermal zones being variable in temperature with respect to time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.