Metal working – Method of mechanical manufacture – Fluid pattern dispersing device making – e.g. – ink jet
Reexamination Certificate
2005-03-23
2009-02-17
Vo, Peter (Department: 3729)
Metal working
Method of mechanical manufacture
Fluid pattern dispersing device making, e.g., ink jet
C029S025350, C029S831000, C029S846000, C029S852000, C347S068000, C216S027000
Reexamination Certificate
active
07490405
ABSTRACT:
The liquid droplet discharge head comprises: a piezoelectric actuator shaped in a cylinder having a hollow part; a pressure chamber shaped in a cylinder formed in the hollow part of the piezoelectric actuator; and a droplet discharge port which is communicated with the pressure chamber and is designed for discharging a droplet of liquid in the pressure chamber by means of deformation of the pressure chamber accompanying displacement of the piezoelectric actuator, wherein the piezoelectric actuator has a structure in which displacement characteristics of a piezoelectric member are intermittently or continuously varied along an axial direction of the cylinder.
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Birch & Stewart Kolasch & Birch, LLP
Fujifilm Corporation
Nguyen Tai
Vo Peter
LandOfFree
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