EP 3974190 A1 20220330 - LIQUID DISCHARGE HEAD
Title (en)
LIQUID DISCHARGE HEAD
Title (de)
FLÜSSIGKEITSAUSSTOSSKOPF
Title (fr)
TÊTE DE D'ÉVACUATION DE LIQUIDE
Publication
Application
Priority
JP 2020159451 A 20200924
Abstract (en)
According to one embodiment, there is provided a liquid discharge head including a nozzle plate on which nozzles are formed, an actuator disposed facing the nozzle plate and provided with grooves configuring a plurality of pressure chambers communicating with the nozzles, liquid-repellent films formed in a predetermined first region on a surface of the actuator, and electrode layers formed in a second region different from the first region in which the liquid-repellent films are formed on the surface of the actuator.
IPC 8 full level
CPC (source: CN EP)
B41J 2/045 (2013.01 - CN); B41J 2/14032 (2013.01 - CN); B41J 2/14209 (2013.01 - EP); B41J 2/1606 (2013.01 - EP)
Citation (search report)
- [X] EP 3663091 A1 20200610 - SII PRINTEK INC [JP]
- [X] JP 2002160364 A 20020604 - SEIKO INSTR INC
- [XI] EP 3711956 A1 20200923 - TOSHIBA TEC KK [JP]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3974190 A1 20220330; CN 114248548 A 20220329; JP 2022052930 A 20220405
DOCDB simple family (application)
EP 21168257 A 20210414; CN 202110796120 A 20210714; JP 2020159451 A 20200924