CARRIER FOR ELECTROSTATIC LATENT IMAGE DEVELOPER, ELECTROSTATIC LATENT IMAGE DEVELOPER USING THAT AND IMAGE FORMING METHOD

PROBLEM TO BE SOLVED: To obtain a long-life carrier for a developer which can be easily produced and realizes desired charge property even for a coated carrier, to provide a developer with which an image of excellent reproducibility for halftone by using this carrier, and to provide an image forming...

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Bibliographic Details
Main Authors TAKASHIMA KOICHI, KIN ISHI, YOSHINO SUSUMU
Format Patent
LanguageEnglish
Published 20.06.1997
Edition6
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:PROBLEM TO BE SOLVED: To obtain a long-life carrier for a developer which can be easily produced and realizes desired charge property even for a coated carrier, to provide a developer with which an image of excellent reproducibility for halftone by using this carrier, and to provide an image forming method using this developer. SOLUTION: This carrier for an electrostatic latent image developer consists of a carrier core and a coating layer comprising a resin and a conductive powder. In this carrier, the average primary particle size (B)μm of the conductive powder and the thickness (A) μm of the resin coating film satisfy the relation of (A)<=(B)<=(A)+3μm. It is preferable that the resin to form the coating layer contains one or more kinds selected from a group of fluorocarbon resin and silicone resin and that the thickness of the resin coating layer is preferably 0.1-10μm.
Bibliography:Application Number: JP19950324636