Title:
NOZZLE PLATE, LIQUID EJECTION HEAD, LIQUID EJECTION DEVICE, AND NOZZLE PLATE MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2022/270237
Kind Code:
A1
Abstract:
Provided is a nozzle plate 110 provided with a substrate B, a nozzle flow path 111 penetrating the substrate B and having a nozzle opening part N for ejecting a liquid droplet, and a discharge flow path C for discharging a liquid from the nozzle flow path 111, wherein the nozzle flow path 111 has a nozzle taper part 1112 of which the flow path area representing a cross-sectional area orthogonal to a liquid ejecting direction gradually narrows toward an ejection surface Ba of the substrate B from which a liquid is ejected, and the discharge flow path C is provided in the middle of the nozzle taper part 1112 when seen from an ejection surface side.
Inventors:
KAJITA HIROSHI (JP)
SAMESHIMA KOUICHI (JP)
SAMESHIMA KOUICHI (JP)
Application Number:
PCT/JP2022/021937
Publication Date:
December 29, 2022
Filing Date:
May 30, 2022
Export Citation:
Assignee:
KONICA MINOLTA INC (JP)
International Classes:
B41J2/14; B41J2/16
Domestic Patent References:
| WO2018061543A1 | 2018-04-05 |
Foreign References:
| JP2010023361A | 2010-02-04 | |||
| US20080129780A1 | 2008-06-05 |
Attorney, Agent or Firm:
KOYO INTERNATIONAL PATENT FIRM (JP)
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