The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 28, 2019
Filed:
May. 11, 2017
Eth Zurich, Zurich, CH;
ETH Zurich, Zurich, CH;
Abstract
The invention relates to a droplet dispensing device () comprising a reservoir () for containing a liquid medium (), an outlet () for dispensing droplets of said liquid medium () from said reservoir (), an actuation means () for generating and transmitting a mechanical oscillation at an excitation frequency, and a resonant structure comprising a piston () coupled to said actuation means () for transmitting said mechanical oscillation to the liquid medium () contained in said reservoir () such that droplets are formed from said liquid medium (), wherein a resonance frequency of said resonant structure is sufficiently close to said excitation frequency, such that resonance occurs. The invention further relates to a UV or X-ray light source, comprising a droplet dispensing device () according to the invention, and a method for providing a stream, in particular a monodisperse stream, of droplets by means of the droplet dispensing device ().