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Electrostatic Charging Structure Disclosure Number: IPCOM000052098D
Original Publication Date: 1981-Apr-01
Included in the Prior Art Database: 2005-Feb-11

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Bogardus, EH Hildebrand, WW Levanoni, M [+details]


Generally, in ink jet charging schemes, a single electrode, positioned at the jet's break-off point, is used for charging selected droplets. As set forth herein, droplet charging is accomplished by electrostatic induction through the application of a potential difference between the electrode and the ink reservoir (the head). The required charge flows through the continuous jet so that when a droplet breaks off it carries with it a charge proportional to the applied voltage.