EP 0716925 A3 19970416 - Ink jet head and method for fabricating the same
Title (en)
Ink jet head and method for fabricating the same
Title (de)
Tintenstrahldruckkopf und Verfahren zu seiner Herstellung
Title (fr)
Tête d'impression à jet d'encre et procédé pour sa fabrication
Publication
Application
Priority
JP 31099894 A 19941214
Abstract (en)
[origin: EP0716925A2] An ink jet head according to the present invention includes: a substrate; an orifice plate having an opening, the orifice plate facing the substrate; an element provided on the substrate so as to define an ink cavity provided between the substrate and the orifice plate, the ink cavity being filled with liquid ink, and so as to form a gap between at least a central portion of the element and the substrate, the element ejecting the liquid ink filled in the ink cavity through the opening of the orifice plate; a main ink supply groove provided on at least one of a surface of the substrate facing the orifice plate and a surface of the orifice plate facing the substrate; an ink supply path for connecting the ink cavity to the main ink supply groove; and a branch ink supply groove for connecting the gap between the element and the substrate to the main ink supplying groove. <IMAGE>
IPC 1-7
IPC 8 full level
B41J 2/045 (2006.01); B41J 2/055 (2006.01); B41J 2/14 (2006.01); B41J 2/16 (2006.01)
CPC (source: EP)
B41J 2/14 (2013.01); B41J 2/16 (2013.01); B41J 2/1623 (2013.01); B41J 2/1629 (2013.01); B41J 2/1631 (2013.01); B41J 2/1639 (2013.01); B41J 2/1643 (2013.01); B41J 2/1646 (2013.01); B41J 2002/14346 (2013.01); B41J 2002/14387 (2013.01); B41J 2202/08 (2013.01)
Citation (search report)
- [A] EP 0479441 A2 19920408 - SEIKO EPSON CORP [JP]
- [DA] PATENT ABSTRACTS OF JAPAN vol. 014, no. 177 (M - 0960) 9 April 1990 (1990-04-09)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0716925 A2 19960619; EP 0716925 A3 19970416; JP H08164605 A 19960625
DOCDB simple family (application)
EP 95119708 A 19951214; JP 31099894 A 19941214