EP 0780229 A1 19970625 - Electrostatic ink jet recording head
Title (en)
Electrostatic ink jet recording head
Title (de)
Elektrostatischer Tintenstrahldruckkopf
Title (fr)
Tête d'impression électrostatique à jet d'encre
Publication
Application
Priority
JP 32884595 A 19951218
Abstract (en)
An electrostatic ink jet recording head has an ejection electrode (4) which enables a printing of an excellent quality and a high accuracy. The recording head has a head body (100) defining an ink chamber (1) for receiving liquid ink containing charged toner particles. A set of electrodes including an electrophoretic electrode (5a, 5B), a plurality of ejection electrodes (4) and an opposing electrode (6) are provided for ejecting the toner particles substantially without an insulating solvent. The ejection electrode (4) has a tip of a sharp edge protruding from the ejection opening (2) of the ink chamber (1). The ejection electrode (4) has a capillary slit (17) for introducing the ink toner therethrough and for forming an excellent meniscus by a capillary action. <IMAGE>
IPC 1-7
IPC 8 full level
B41J 2/06 (2006.01); B41J 2/385 (2006.01)
CPC (source: EP)
B41J 2/06 (2013.01); B41J 2002/061 (2013.01)
Citation (search report)
- [A] US 4396925 A 19830802 - KOHASHI TADAO [JP]
- [A] WO 9311866 A1 19930624 - AUSTRALIA RES LAB [AU]
- [A] US 4768044 A 19880830 - SHIMOSATO MASASHI [JP], et al
- [A] US 4806956 A 19890221 - NISHIKAWA HISASHI [JP], et al
- [X] PATENT ABSTRACTS OF JAPAN vol. 010, no. 218 (M - 503) 30 July 1986 (1986-07-30)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0780229 A1 19970625; JP 2783230 B2 19980806; JP H09164688 A 19970624
DOCDB simple family (application)
EP 96120204 A 19961216; JP 32884595 A 19951218