Printhead substrate, printhead and printing apparatus

Details Printhead substrate, printhead and printing apparatus Printhead substrate, printhead and printing apparatus

2007-10-30

2007-10-30

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S012000, C347S058000

Reexamination Certificate

active

10810579

ABSTRACT:
The present invention provides a printhead substrate capable of controlling the driving of a large number of printing elements in a reduced surface area, a printhead using the printhead substrate, and a printing apparatus using the printhead. In particular, the printhead substrate, configured so that a plurality of ink supply channels are disposed in parallel on the substrate, includes a plurality of printing element arrays composed of a plurality of printing elements disposed alongside each of the plurality of ink supply channels, a plurality of drive control circuits disposed in an area between the plurality of ink supply channels that control the driving of each of the plurality of printing element arrays, and shared wiring portions disposed in the area between the plurality of ink supply channels and shared by the plurality of drive control circuits.

REFERENCES:
patent: 6290334 (2001-09-01), Ishinaga et al.
patent: 6474782 (2002-11-01), Furukawa
patent: 6491377 (2002-12-01), Cleland et al.
patent: 6527367 (2003-03-01), Yabe
patent: 6629742 (2003-10-01), Fujii
patent: 6729708 (2004-05-01), Fujii
patent: 1 078 752 (2001-02-01), None
patent: 1 172 211 (2002-01-01), None
patent: 11-245409 (1999-09-01), None
patent: 11-300973 (1999-11-01), None
patent: 02/074545 (2002-09-01), None

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