Droplet dispensing device and light source comprising such a droplet dispensing device
US9307625B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 2, 2012 |
| Grant date | Apr 5, 2016 |
| Priority date | — |
| Expiry date | Oct 10, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B17/0623
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A droplet dispensing device includes a reservoir for receiving a liquid material, an outlet nozzle in fluid communication with the reservoir and a piezoelectric actuating means acting on the liquid material at the outlet nozzle to exit the outlet nozzle in a sequence of droplets. A piezoelectric actuating means that includes a piston, which is actuated by a piezoelectric actuator at one end and dips the other, free end into the liquid material is provided just upstream of the outlet nozzle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.