Global Patent Index - EP 3851284 A1

EP 3851284 A1 20210721 - METHOD OF MANUFACTURING LIQUID DISCHARGE HEAD AND METHOD OF MANUFACTURING LIQUID DISCHARGE APPARATUS

Title (en)

METHOD OF MANUFACTURING LIQUID DISCHARGE HEAD AND METHOD OF MANUFACTURING LIQUID DISCHARGE APPARATUS

Title (de)

VERFAHREN ZUR HERSTELLUNG EINES FLÜSSIGKEITSAUSSTOSSKOPFES UND VERFAHREN ZUR HERSTELLUNG EINER FLÜSSIGKEITSAUSSTOSSVORRICHTUNG

Title (fr)

PROCÉDÉ DE FABRICATION DE TÊTE D'ÉJECTION DE LIQUIDE ET PROCÉDÉ DE FABRICATION D'APPAREIL DE DÉCHARGE DE LIQUIDE

Publication

EP 3851284 A1 20210721 (EN)

Application

EP 20216883 A 20201223

Priority

  • JP 2020005313 A 20200116
  • JP 2020155539 A 20200916

Abstract (en)

There is provided a method of manufacturing a liquid discharge head (100) to vibrate a nozzle plate (1) including a substrate (81) and a piezoelectric body (82) to discharge liquid. The method includes forming the piezoelectric body (82) on the substrate (81) at 450°C to 600°C and forming a nozzle orifice (4) penetrating through the substrate (81) and the piezoelectric body (82).

IPC 8 full level

B41J 2/16 (2006.01)

CPC (source: EP)

B41J 2/1607 (2013.01); B41J 2/1623 (2013.01); B41J 2/1628 (2013.01); B41J 2/1632 (2013.01); B41J 2/1642 (2013.01); B41J 2/1646 (2013.01); B41J 2202/15 (2013.01)

Citation (applicant)

Citation (search report)

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 3851284 A1 20210721; EP 3851284 B1 20230712

DOCDB simple family (application)

EP 20216883 A 20201223