EP 2340172 A1 20110706 - EFFICIENT INKJET NOZZLE ASSEMBLY
Title (en)
EFFICIENT INKJET NOZZLE ASSEMBLY
Title (de)
EFFIZIENTE TINTENSTRAHLDÜSENANORDNUNG
Title (fr)
ENSEMBLE BUSE À JET D'ENCRE EFFICACE
Publication
Application
Priority
AU 2008001429 W 20080929
Abstract (en)
[origin: WO2010034050A1] An inkjet nozzle assembly comprising: a nozzle chamber for containing ink, the chamber having a nozzle opening and an ink inlet; a pair of electrical contacts positioned at one end of the assembly and connected to drive circuitry; and a thermal bend actuator for ejecting ink through the nozzle opening, the actuator comprising an active beam connected to the electrical contacts and extending longitudinally away from the contacts, the active beam defining a bent current flow path between the contacts; and a passive beam fused to the active beam, such that when a current is passed through the active beam, the active beam heats and expands relative to the passive beam resulting in bending of the actuator, wherein the actuator has a working face for generating a positive pressure pulse in the ink during the bending of the actuator, the working face having an area of less than 800 square microns.
IPC 8 full level
B41J 2/04 (2006.01); B81B 3/00 (2006.01); B81B 7/00 (2006.01)
CPC (source: EP KR)
B41J 2/04 (2013.01 - KR); B41J 2/14 (2013.01 - KR); B41J 2/14427 (2013.01 - EP); B81B 3/00 (2013.01 - KR); B81B 7/00 (2013.01 - KR); B41J 2002/14435 (2013.01 - EP)
Citation (search report)
See references of WO 2010034050A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
WO 2010034050 A1 20100401; CA 2732738 A1 20100401; CA 2732738 C 20131119; CN 102164748 A 20110824; CN 102164748 B 20130717; EP 2340172 A1 20110706; IL 211029 A0 20110428; JP 2012502815 A 20120202; JP 5362832 B2 20131211; KR 101240001 B1 20130306; KR 20110051269 A 20110517; TW 201012660 A 20100401; TW 201012661 A 20100401; TW 201012662 A 20100401; TW I432335 B 20140401; TW I436898 B 20140511
DOCDB simple family (application)
AU 2008001429 W 20080929; CA 2732738 A 20080929; CN 200880131225 A 20080929; EP 08800064 A 20080929; IL 21102911 A 20110203; JP 2011527150 A 20080929; KR 20117007558 A 20080929; TW 97139729 A 20081016; TW 97139731 A 20081016; TW 97139734 A 20081016