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Drop Charging and Deflection in an Electrostatic Ink Jet Printer

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3 Author(s)
Fillmore, G.L. ; IBM Office Products Division laboratory, Boulder, CO 80302, USA ; Buehner, W.L. ; West, D.L.

This paper describes the drop charging and drop deflection processes in an electrostatic ink jet printer. Included in the discussion of drop charging are induction interaction effects and charge synchronization requirements, as well as design considerations for the charge electrode. In describing the parameters governing drop deflection, some drop placement errors are related to undesired interactions resulting from aerodynamic forces and electrostatic repulsion effects on the drops. A scheme for obtaining accurate drop placement in the presence of these interaction effects is described.

Note: The Institute of Electrical and Electronics Engineers, Incorporated is distributing this Article with permission of the International Business Machines Corporation (IBM) who is the exclusive owner. The recipient of this Article may not assign, sublicense, lease, rent or otherwise transfer, reproduce, prepare derivative works, publicly display or perform, or distribute the Article.  

Published in:

IBM Journal of Research and Development  (Volume:21 ,  Issue: 1 )