DEVELOPER AND ITS PRODUCTION

PURPOSE:To prevent the image defect to be generated by contamination in a machine by toner splashing by forming a triboelectrification series of toner particles>carrier particles>fine powder particles or the toner particles<carrier particles<fine powder particles. CONSTITUTION:The triboe...

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Bibliographic Details
Main Authors KARAMI YUSUKE, MATSUMOTO TORU
Format Patent
LanguageEnglish
Published 21.08.1990
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:PURPOSE:To prevent the image defect to be generated by contamination in a machine by toner splashing by forming a triboelectrification series of toner particles>carrier particles>fine powder particles or the toner particles<carrier particles<fine powder particles. CONSTITUTION:The triboelectrification series of the developer contg. the carrier particles and the toner particles is formed of the toner particles>carrier particles>fine powder particles or the toner particles<carrier particles<fine powder particles. The resin-coated carrier has a preferably a spherical shape for the purpose of uniform coating of the fine powder particles. The triboelectric chargeability of the respective particles can be set by selecting the particles of the triboelectric charge quantity by a method for measuring the triboelectric charge quantity, by which the above-mentioned triboelectrification series is attained. The image defects to be generated by the contamination in the machine by the toner splashing is prevented in this way.
Bibliography:Application Number: JP19890028571