Droplet discharging apparatus and method of manufacturing...

Details Droplet discharging apparatus and method of manufacturing... Droplet discharging apparatus and method of manufacturing...

2006-10-26

2010-11-16

Feggins, K. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

07832847

ABSTRACT:
A droplet discharging apparatus has a pressure chamber communicating with a nozzle, a vibration film forming a part of the pressure chamber, a piezoelectric element for vibrating the vibration film, a projection joined to the piezoelectric element and transmitting vibration of the piezoelectric element to the vibration film, and a flow path communicating with the pressure chamber. The apparatus has first and second members, with the vibration film, the projection, a groove, and a supply hole communicating with the groove being provided at the first member. The nozzle and the pressure chamber are formed in the second member. The first member and the second member are bonded together to form the flow path in the groove and also the pressure chamber in the recess. The groove and the recess partially overlap to form the flow path and the pressure chamber. A method is disclosed for manufacturing the droplet discharging apparatus.

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patent: 2003-165214 (2003-06-01), None
patent: 2004-116327 (2004-04-01), None

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