Characteristics of Two Component Magnetic Brush Development
Abstract:Measurements of two component development using a magnetic brush with a rotating magnetic core, polymeric toner, and insulative, magnetically hard carrier are compared to the behavior of conventional two component development using a magnetic brush with a fixed magnetic core and insulative carrier. Significant differences are observed in the characteristics of the two technologies.
For rotating magnetic brush development, the mass area density for deposition of toner onto a conductive substrate has exponential time dependence, similar to the charging of a capacitor. The Equilibrium Theory for conventional development predicts mass area densities proportional to the ratio of roller speed to substrate speed. The difference in behavior can be attributed to the agitation of the developer nap produced by the rotating magnetic core development system.
Document Type: Research Article
Publication date: 2004-01-01
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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