JP2759528B

JP2759528B

PURPOSE:To obtain the developer which has the lower dependency on environment and stably forms high-quality images by forming the developer of color toners contg. inorg. oxides and magnetic particle carriers and specifying the particle distribution thereof. CONSTITUTION:The magnetic particles descri...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: OKADO KENJI
Format: Patent
Sprache:eng
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Beschreibung
Zusammenfassung:PURPOSE:To obtain the developer which has the lower dependency on environment and stably forms high-quality images by forming the developer of color toners contg. inorg. oxides and magnetic particle carriers and specifying the particle distribution thereof. CONSTITUTION:The magnetic particles described as follows are used as the carrier: The respective apparent densities B, A before and after a surface treatment by an insulating resin of a specific copolymer satisfy the conditions of equation I; the weight average particle size of the particles is 20 to 60mu; the ratios of the respective fine powder amt. of