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Observation of Electrostatic Latent Images and Surface Potential Measurement Using Scanning Electron Microscope

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Electrostatic voltmeters are generally used for potential measurements of electrostatic latent images. In this study, we are using SEM (Scanning Electron Microscope) for more detailed observation and potential measurement of electrostatic latent images; SEM can visualize electrostatic latent images as an image brightness distribution. We focused on clarification of the relation between surface potential of electrostatic latent image and brightness of SEM images. Electrostatic latent images were formed on PET (Polyethylene terephthalate) film by a corona discharger. We have observed SEM images of the electrostatic images after measuring surface potential of each latent image by using electrostatic voltmeters. We then measured distributions of brightness of the SEM images. We have successfully shown the relation between the surface potential and the brightness of SEM images. We hope SEM observation can be an alternative method for detail observations and measurements of electrostatic latent images.
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Document Type: Research Article

Publication date: January 1, 2012

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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.

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