Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2006-05-17
2009-08-18
Feggins, K. (Department: 2861)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
Reexamination Certificate
active
07575304
ABSTRACT:
An ink-jet head, as a liquid-droplet jetting apparatus, includes a channel unit in which an ink channel is formed, a nozzle plate which has a nozzle which communicates with the ink channel, and a liquid repellent film which is formed on an ink jetting surface of the nozzle plate. A projection, which is inflated towards a side of the ink jetting surface more greatly than an area around the nozzle, is formed in a non-joining portion of the nozzle plate, at which the nozzle plate is not joined to the channel unit. Accordingly, there is provided a liquid-droplet jetting apparatus which is capable of preventing damage of the liquid repellent film around the nozzle, and a method of producing the liquid-droplet jetting apparatus with which it is possible to easily form a structure for preventing the damage of the liquid repellent film around the nozzle.
REFERENCES:
patent: 2002/0005879 (2002-01-01), Kitahara
patent: 2003/0231230 (2003-12-01), Shimamoto et al.
patent: 2004/0130601 (2004-07-01), Shimada
patent: H10 291316 (1998-11-01), None
patent: 2003 276204 (2003-09-01), None
patent: 2004 255702 (2004-09-01), None
Baker & Botts L.L.P.
Brother Kogyo Kabushiki Kaisha
Feggins K.
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