Liquid droplet discharge head and liquid droplet discharge...

Details Liquid droplet discharge head and liquid droplet discharge... Liquid droplet discharge head and liquid droplet discharge...

2011-01-25

2011-01-25

Feggins, K. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S058000

Reexamination Certificate

active

07874651

ABSTRACT:
A piezoelectric actuator includes upper and lower constant electric potential electrodes. The upper constant electric potential electrodes are connected to a first-common conducting section extending in a predetermined direction, both ends of the first-common conducting section are connected to second-common conducting sections, and thus a first electrode assembly is formed. Both ends of the lower constant electric potential electrodes extending in the predetermined direction are connected to third-common conducting sections, and thus a second electrode assembly is constructed. A flexible wiring board stacked on the piezoelectric actuator has a first-connecting land extending in the predetermined direction and to which one of the first and second electrode assemblies having a smaller voltage drop when a predetermined current is applied is connected, and second-connecting lands to which the other is connected and which are arranged on both end sides of the first-connecting land.

REFERENCES:
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patent: 7008048 (2006-03-01), Sakaida
patent: 7290865 (2007-11-01), Hibi et al.
patent: 7370943 (2008-05-01), Imai et al.
patent: 7517065 (2009-04-01), Isono
patent: 2004/0160494 (2004-08-01), Isono et al.
patent: 2003-311954 (2003-11-01), None
patent: 2005-059551 (2005-03-01), None

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