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An Analysis on both Voltage Sensitivity and High Spatial Resolution with a New Electrostatic Voltmeter Having Extremely High Input Impedance

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We investigated the voltage sensitivity and spatial resolution of an electrostatic voltmeter with a high input impedance of 1016 Ω or higher, which was called HZ-ESVM, applied for measuring the electrostatic latent images on a photoconductor in an electro photographic printing system. We report the simulated and experimental results of the output voltage of the HZ-ESVM as a function of probe distance (gap) from the surface of the sample under test, and experimental results of spatial resolution.

In the simulated results, the simulated output ratio of the voltage between the measurement electrode the sample under test could keep the value higher than 80% at a gap of 50 μm by using a probe with the protruded length of the measurement electrode L = 100 μm. Moreover, the simulated output voltage against sample voltage achieved 95% output at a gap distance of 50 μm using a probe with a shorter length of L = 10 μm. In the experimental results, the HZ-ESVM with a probe of L = 0.32 mm and a measurement electrode diameter of 0.55 mm could measure 100% of the input voltage of 600 V up to a gap distance of 65 μm. It is revealed that the voltage without physical contact between the measurement electrode and the sample under test can be measured with this proposed method.
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Document Type: Research Article

Publication date: 2008-01-01

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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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