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Electrostatic Adhesion Force Measurement of the Partly Charged Toner

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The electrostatic adhesion of a charged toner particle is important for the electrophotographic process. Some models for electrostatic adhesion have been suggested. One of the models, the charge patch model, hypothecates that electrostatic adhesion force is caused by charge patches in close proximity to a substrate. It has been reported that the model fits measured data, but the experimental evidence was insufficient. We examined the relation between the charged region on a toner particle and its electrostatic adhesion by experiment. The partly charged toner particles were prepared by means of a corona discharge device, and their adhesion forces were measured using an apparatus based on vibratory detachment method. As a result, it has been verified that the slight charge in the proximity region causes most of electrostatic adhesion as mentioned by the charge patch model, and the rest of charge produces a bit of electrostatic adhesion. Additionally, it is suggested that the magnitude of electrostatic adhesion force depends on the fine charge distribution in the proximity region.

Document Type: Research Article

Publication date: 2013-01-01

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  • For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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