ELECTROPHOTOGRAPHIC CHARGING ROLL AND IMAGE FORMING METHOD

PROBLEM TO BE SOLVED: To widely set the latitude of electrification and breakdown voltage, to prevent pinholes, to suppress the blended quantity of conductive powder and to provide high mechanical strength by dispersing needle-like conductive powder having specific powder resistance and a specific a...

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Bibliographische Detailangaben
Hauptverfasser:	KIN ISHI, YANAGIDA KAZUHIKO
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING CINEMATOGRAPHY ELECTROGRAPHY ELECTROPHOTOGRAPHY ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HOLOGRAPHY LIGHTING MAGNETOGRAPHY MECHANICAL ENGINEERING PHOTOGRAPHY PHYSICS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To widely set the latitude of electrification and breakdown voltage, to prevent pinholes, to suppress the blended quantity of conductive powder and to provide high mechanical strength by dispersing needle-like conductive powder having specific powder resistance and a specific aspect ratio in a surface resin layer, and adjusting the surface resistance of the surface resin layer within a specific range. SOLUTION: The needle-like conductive powder having the aspect ratio >=3, preferably in the range of 3-500, is used for a surface rein layer. When the aspect ratio is