US 12,377,653 B2
Inkjet printing system with nozzle evaporator
Julian Schneider, Muttenz (CH); Martin Schmid, Zürich (CH); and Patrick Galliker, Richterswil (CH)
Assigned to Scrona AG, Zürich (CH)
Appl. No. 18/277,687
Filed by Scrona AG, Zürich (CH)
PCT Filed Feb. 4, 2022, PCT No. PCT/EP2022/052748
§ 371(c)(1), (2) Date Aug. 17, 2023,
PCT Pub. No. WO2022/175119, PCT Pub. Date Aug. 25, 2022.
Claims priority of application No. PCT/EP2021/054065 (WO), filed on Feb. 18, 2021.
Prior Publication US 2024/0123729 A1, Apr. 18, 2024
Int. Cl. B41J 2/14 (2006.01); B41J 2/06 (2006.01); B41J 2/18 (2006.01); B41J 11/00 (2006.01)
CPC B41J 2/14 (2013.01) [B41J 2/06 (2013.01); B41J 2/18 (2013.01); B41J 11/0022 (2021.01); B41J 2202/02 (2013.01); B41J 2202/12 (2013.01); B41J 2202/18 (2013.01)] 39 Claims
OG exemplary drawing
 
1. An electrohydrodynamic inkjet printing system comprising:
a print head,
a plurality of ink nozzles arranged on the print head,
a plurality of ejection electrodes located at the ink nozzles,
a support structure arranged in front of the ink nozzles and forming a front surface, wherein the ejection electrodes are arranged on the support structure,
a plurality of recesses arranged in the front surface with at least one of the ink nozzles arranged in each of the plurality of recesses, and
a plurality of gas ducts extending, over at least part of their length, along the support structure,
wherein ends of the gas ducts are arranged in the recesses.