Electrical Characterization of Rolls and Belts for High Speed Electrophotography
Abstract:The performance of rolls and belts used in charging, development and transfer processes of electrophotography depends critically on dielectric relaxation of the semi-insulating overcoat layers. In these materials, the time rate of dielectric relaxation is shown to be determined by charge injection from the bias and charge mobility, rather than by the bulk resistance. Thus, characterization of these devices, especially in high-speed printing applications, where time allotted for each process becomes limited, should emphasize the transient characteristics and spatial variations of dielectric relaxation.
Document Type: Research Article
Publication date: January 1, 2008
For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.
Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.
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