Inkjet printhead having conductive epoxy resin

Details Inkjet printhead having conductive epoxy resin Inkjet printhead having conductive epoxy resin

2011-05-03

2011-05-03

Feely, Michael J (Department: 1761)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S020000, C347S040000, C347S046000, C347S056000, C347S063000

Reexamination Certificate

active

07934811

ABSTRACT:
An inkjet printhead includes an ink flow path including a nozzle through which ink is ejected and is formed of a conductive epoxy resin, the conductive epoxy resin is a hardening result of a conductive cross-linked polymer resist composition formed by actinic radiation, and the conductive cross-linked polymer resist composition includes (a) at least one epoxy precursor polymer selected from a phenol novolak precursor polymer and an alicyclic precursor polymer including glycidyl ether group, (b) a metal alkoxide compound represented by the following formula R′M(OR)n, where R′ refers to a functional group including an oxirane group or an oxetanyl group, R refers to a C1-10alkyl group, and M is a metal selected from the group consisting of Al, Ti, and Zr, (c) a cationic photoinitiator, and (d) a solvent. The inkjet printhead includes an ink flow path formed of a conductive epoxy resin and a trench formed around a heater of the inkjet printhead to dissipate residual heat generated by the heater.

REFERENCES:
patent: 2003/0170567 (2003-09-01), Patil et al.
patent: 2004/0179064 (2004-09-01), Zapka et al.
patent: 2007/0046730 (2007-03-01), Min et al.
patent: 59-1526 (1984-01-01), None
patent: 2001-191532 (2001-07-01), None
patent: 2002-154210 (2002-05-01), None

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