Ink jet recording head

Details Ink jet recording head Ink jet recording head

2011-07-19

2011-07-19

Nguyen, Lamson D (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

07980678

ABSTRACT:
An ink jet recording head includes a substrate including a discharge port forming member provided with discharge ports for discharging ink, and a flow path forming member for forming an ink flow path communicating with the discharge ports, wherein at least one of the flow path forming member and the discharge port forming member contains a material having fluorine atoms, a supply path used to supply ink to a supply hole, a support member supporting the substrate, a supply path forming member for forming a part of the supply path, and a rubber member provided between the support member and the supply path forming member and forming a part of the supply path. The supply path forming member or the rubber member contains a material containing bivalent metal, and the rubber member contains a compound providing counter ions to the bivalent metal.

REFERENCES:
patent: 6592202 (2003-07-01), Udagawa et al.
patent: 6908563 (2005-06-01), Tokunaga
patent: 6966635 (2005-11-01), Miyata et al.
patent: 2007/0139467 (2007-06-01), Kihara et al.
patent: 2008/0291234 (2008-11-01), Shimomura et al.
patent: 2009/0141085 (2009-06-01), Kihara et al.

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