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Plasma Dynamics and Charging Characteristics of a Single Nozzle Ion Head

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A high resolution ion print head architecture which utilizes micro-dielectric barrier discharges (mDBD's) has been developed for charging of surfaces in electrophotographic (EP) printing. The mDBDs consist of arrays of micro-plasma devices (10-100 μm diameter) fabricated using MEMS techniques. A radio frequency (rf) voltage waveform biases an electrode which is buried in a dielectric substrate. A third biasing electrode separated by hundreds of microns from the dielectric surface is used to extract electron charges. To aid in the development and improve the performance of ion-head charging systems, a first principles, multi-dimensional computer modeling investigation has been conducted. The dynamics of the plasma and charging of the top surface as a function of rf frequency, voltage waveform and material properties will be discussed, with comparison of our results to experiments.

Document Type: Research Article

Publication date: 2012-01-01

More about this publication?
  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.

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