Global Patent Index - EP 1859942 A1

EP 1859942 A1 20071128 - Inkjet printhead

Title (en)

Inkjet printhead

Title (de)

Tintenstrahldruckkopf

Title (fr)

Tête d'impression à jet d'encre

Publication

EP 1859942 A1 20071128 (EN)

Application

EP 07250285 A 20070124

Priority

CN 200610083015 A 20060525

Abstract (en)

An inkjet printhead (100) including a substrate (110), a plurality of heaters (120), multiple pairs of leads (125), an ink chamber layer (130), and a nozzle plate (140) is provided. The substrate (110) has a top surface (112) and a plurality of ink channels (114) through the substrate (110) in the direction substantially vertical to the top surface (112). The heaters (120), the multiple pairs of leads (125), and the ink chamber layer (130) are disposed on the surface (112) of the substrate (110). The multiple pairs of leads (125) are electrically coupled to the corresponding heaters (120) respectively, and the heaters (120) are respectively adjacent to the corresponding ink channels (114). The ink chamber layer (130) has a plurality of ink chambers (132) which respectively expose the corresponding heaters (120) and the corresponding ink channels (114). The nozzle plate (140) is disposed on the ink chamber layer (130) and has a plurality of nozzles (142) through the nozzle plate (140).

IPC 8 full level

B41J 2/14 (2006.01)

CPC (source: EP)

B41J 2/14056 (2013.01); B41J 2/14072 (2013.01); B41J 2/1412 (2013.01); B41J 2002/14177 (2013.01); B41J 2002/14387 (2013.01)

Citation (search report)

Citation (examination)

US 2003137562 A1 20030724 - KAWAMURA NAOTO A [US], et al

Designated contracting state (EPC)

DE FR GB

Designated extension state (EPC)

AL BA HR MK YU

DOCDB simple family (publication)

EP 1859942 A1 20071128; CN 101077651 A 20071128

DOCDB simple family (application)

EP 07250285 A 20070124; CN 200610083015 A 20060525