NEGATIVE CHARGE TYPE MAGNETIC DEVELOPER AND IMAGE FORMING METHOD USING SAME

NEGATIVE CHARGE TYPE MAGNETIC DEVELOPER AND IMAGE FORMING METHOD USING SAME

PROBLEM TO BE SOLVED: To make an image free from voids and to ensure satisfactory image quality by using a negative charge type magnetic developer consisting of specified toner particles, a flowability improver and specified particles of a metallic salt of a fatty acid. SOLUTION: This magnetic devel...

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Bibliographische Detailangaben
Hauptverfasser: SATO YUKIHIRO, SAIKI SHINICHI, FUJITAKE NOBUTADA
Format: Patent
Sprache:eng
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Zusammenfassung:PROBLEM TO BE SOLVED: To make an image free from voids and to ensure satisfactory image quality by using a negative charge type magnetic developer consisting of specified toner particles, a flowability improver and specified particles of a metallic salt of a fatty acid. SOLUTION: This magnetic developer consists of toner particles having 5-12 μm volume 50% diameter Dt50 and contg. a resin binder having 3-30 mgKOH/g acid value and magnetic powder having