EP 0389296 B1 19950614 - Ink jet head substrate and ink jet head having the same.
Title (en)
Ink jet head substrate and ink jet head having the same.
Title (de)
Tintendruckkopf-Substrat und Tintendruckkopf mit einem solchen Substrat.
Title (fr)
Substrat pour une tête d'imprimante à jet d'encre et tête d'imprimante ayant ledit substrat.
Publication
Application
Priority
- JP 347990 A 19900112
- JP 7218389 A 19890324
Abstract (en)
[origin: EP0389296A2] An ink jet recording head substrate includes a supporting member (1), a plurality of electrothermal transducers having heat generating resistors (2a) and electrodes (3a, b) electrically connected to the heat generating resistors; and identification marks (4) for easy identification of each of the electrothermal transducers.
IPC 1-7
IPC 8 full level
B41J 2/16 (2006.01)
CPC (source: EP)
B41J 2/1604 (2013.01); B41J 2/1623 (2013.01); B41J 2/1631 (2013.01); B41J 2/1632 (2013.01); B41J 2/1639 (2013.01); B41J 2/1643 (2013.01); B41J 2/1646 (2013.01)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0389296 A2 19900926; EP 0389296 A3 19910403; EP 0389296 B1 19950614; AT E123705 T1 19950615; DE 69020021 D1 19950720; DE 69020021 T2 19951102
DOCDB simple family (application)
EP 90303137 A 19900323; AT 90303137 T 19900323; DE 69020021 T 19900323