Ferrite core material for resin-filled type carrier, resin-filled type carrier, and electrophotographic developer using the carrier
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United States of America Patent
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Jan 14, 2014
Grant Date -
Nov 30, 2006
app pub date -
May 31, 2006
filing date -
May 31, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A ferrite core material for a resin-filled type carrier, and a resin-filled type carrier which is used as an electrophotographic developer by mixing a toner, sufficiently secure the image density, have no carrier adhesion and can maintain high-quality images over a long period, and an electrophotographic developer using the carrier, are provided. A ferrite core material for a resin-filled type carrier characterized in a void fraction of 10 to 60%, a resin-filled type carrier filled in the carrier core material with a resin, and an electrophotographic developer composed of the resin-filled type carrier and a toner, are provided.
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