Inkjet print head

Details Inkjet print head Inkjet print head

2007-01-16

2007-01-16

Meier, Stephen (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S014000

Reexamination Certificate

active

10865655

ABSTRACT:
Some embodiments of the present invention provide an inkjet print head having a housing defining an ink reservoir, a nozzle portion including a nozzle plate defining an ink chamber in fluid communication with the ink reservoir, and forming a fluid flow path between the ink chamber and the ink reservoir, and a substrate coupled to the nozzle plate and having a surface substantially positioned over the nozzle plate. At least one heating element can be coupled to the substrate, and can be positioned adjacent the surface to heat a portion of the ink chamber. In some embodiments, the inkjet print head comprises a control circuit coupled to the at least one heating element for controlling the heating element, and a temperature sense element positioned substantially between the at least one heating element and the control circuit or in at least partially overlapping relationship with the heating element.

REFERENCES:
patent: 6382773 (2002-05-01), Chang et al.
patent: 6612673 (2003-09-01), Giere et al.
patent: 6634731 (2003-10-01), Kao et al.
patent: 2001/0004263 (2001-06-01), Ishinaga et al.
patent: 2002/0027574 (2002-03-01), Kao et al.
patent: 2002/0052932 (2002-05-01), Curtis et al.
patent: 2003/0081034 (2003-05-01), Bauer
patent: 2003/0142159 (2003-07-01), Askeland et al.

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