Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2004-12-20
2008-03-25
Stephens, Juanita D. (Department: 2853)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
C347S058000
Reexamination Certificate
active
07347533
ABSTRACT:
In accordance with one aspect of the present exemplary embodiment, a printhead includes a printed circuit board having at least one base layer, with at least one electrical trace, at least one fluidic passage and at least one fluidic chamber as part of the printed circuit board. The at least one electrical trace, fluidic passage and fluidic chamber are formed using printed circuit board manufacturing processes. An integrated circuit control chip is attached to the printed circuit board using known printed circuit board techniques. At least one fluidic actuator arrangement and aperture plate are attached to the printed circuit board using known PCB attachment processes.
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Fluidic Microsystems Base on Printed Circuit Board Technology, Ansgar Wego, Stefan Richter and Lienhard Pagel, Institute of Physics Publishing, Journal of Micromechanics and Microengineering, Published Jul. 19, 2001 (pp. 528-531).
Precision Alignment Packaging for Microsystems with Multiple Fluid Connections, Paul Galambos, Gilbert L. Benavides, Murat Okandan, Mark W. Jenkins and Dale Hetherington, Proceedingsof 2001 ASME: International Mechanical Engineering Conference and Exposition, Nov. 11-16, 2001, New York, NY (8 pgs.).
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An Engineering Process Makes For Better Printed Circuit Board Designs by Randal L. Torgerson, Avanthon Engineering, Inc, Copyright 2002 Avanthon Engineering, Inc. (16 pgs.).
Biegelsen David K.
Elrod Scott A.
Fitch John S.
Fay Sharpe LLP
Palo Alto Research Center Incorporated
Stephens Juanita D.
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