EP 0631869 B1 20000315 - INK JET HEAD HAVING IMPROVED JET PORT SURFACE, AND INK JET APPARATUS EQUIPPED WITH THE INK JET HEAD
Title (en)
INK JET HEAD HAVING IMPROVED JET PORT SURFACE, AND INK JET APPARATUS EQUIPPED WITH THE INK JET HEAD
Title (de)
TINTENSTRAHLKOPF MIT VERBESSERTER TINTENSTRAHLÖFFNUNGSOBERFLÄCHE UND TINTENSTRAHLGERÄT DAMIT VERSEHEN
Title (fr)
TETE A JET D'ENCRE PRESENTANT UNE SURFACE D'ORIFICE DE JET D'ENCRE AMELIOREE, ET APPAREIL A JET D'ENCRE DOTE DE CETTE TETE
Publication
Application
Priority
- JP 28027592 A 19921019
- JP 28027692 A 19921019
- JP 9301495 W 19931018
Abstract (en)
[origin: EP0960733A2] An ink jet head, including (i) a plurality of discharging outlets (D; 4) disposed in an arrangement direction; (ii) a plurality of ink pathways (31), each of said ink pathways (31) communicating with an associated one of said discharging outlets (D; 4), each of said ink pathways (31) having an energy generating element for generating energy for discharging an ink from said discharging outlet (D; 4); and (iii) a discharging outlet face (1A; 8) having a discharging outlet surface, said discharging outlets (D; 4) being arranged in said discharging outlet surface and a water-repellent discharging outlet peripheral region (E; 7) circumscribing said discharging outlets (D; 4), and having a first side and a second side, herewith a recessed hydrophilic region (9) circumscribing said water-repellent discharging outlet peripheral region (E; 7), said recessed hydrophilic region (9) being positioned along the arrangement direction of the discharging outlets (D; 4) on at least one said side of said water-repellent discharging outlet peripheral region (E; 7), said recessed hydrophilic region (9) being separated by a predetermined distance from said water-repellent discharging outlet peripheral region (E; 7). <IMAGE> <IMAGE>
IPC 1-7
IPC 8 full level
B41J 2/14 (2006.01); B41J 2/16 (2006.01); B41J 2/165 (2006.01)
CPC (source: EP)
B41J 2/14 (2013.01); B41J 2/14016 (2013.01); B41J 2/14201 (2013.01); B41J 2/1433 (2013.01); B41J 2/1606 (2013.01); B41J 2/16502 (2024.05); B41J 2/1652 (2013.01); B41J 2/16538 (2013.01); B41J 2002/14475 (2013.01); B41J 2202/03 (2013.01)
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
EP 0960733 A2 19991201; EP 0960733 A3 20000105; EP 0960733 B1 20030618; AU 5156993 A 19940509; AU 676214 B2 19970306; CA 2126232 A1 19940428; CA 2126232 C 20000516; CN 1056804 C 20000927; CN 1086767 A 19940518; DE 69328086 D1 20000420; DE 69328086 T2 20000914; DE 69333056 D1 20030724; DE 69333056 T2 20040129; EP 0631869 A1 19950104; EP 0631869 A4 19950517; EP 0631869 B1 20000315; KR 100191749 B1 19990615; KR 940703752 A 19941212; WO 9408793 A1 19940428
DOCDB simple family (application)
EP 99117364 A 19931018; AU 5156993 A 19931018; CA 2126232 A 19931018; CN 93119146 A 19931019; DE 69328086 T 19931018; DE 69333056 T 19931018; EP 93922649 A 19931018; JP 9301495 W 19931018; KR 19940702127 A 19940618