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Attraction and Adhesion of a Charged Insulative Toner Particle

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The force attracting a charged, insulative particle to a nearby surface is often calculated by assuming that the total charge is concentrated at the center of the particle. While this is true when the particle is far away, there is evidence that a different model should be used when the particle is very close, or in contact. This attractive force is calculated in terms of the bispherical coordinate system, which provides an analytical solution valid when the particle approaches and contacts the surface. Comparison of this model with other experimental and analytical work is carried out to determine the validity of the various models, and to provide approximate formulas useful in engineering work. This work indicates that electrostatic adhesive force may be larger than normally expected when the surface charging is larger than traditional assumption, as reported in several experiments.
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Document Type: Research Article

Publication date: 01 January 2008

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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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