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Laser Spot Size Measurements and Resulting Developed Toner Features

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Laser spot size is critical to developed dot resolution in electrophotographic printing. Spot size measurements are correlated with actual discharged areas on a photoconductor surface as measured by developed toner image size. The resulting developed dot is then used to determine the optimum parameter for converting energy intensity measurements to actual developed toner features. Due to the effects of fringe fields on the discharged photoconductor surface, holes imaged into developed areas have different laser energy to developed area conversion rates than do dots in non-discharged areas, with holes requiring a larger unexposed area to reproduce the desired features. The 50% peak intensity metric was found to be superior to the 13.5% peak intensity metric.
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Document Type: Research Article

Publication date: January 1, 2012

More about this publication?
  • 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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