Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Reexamination Certificate
2011-06-28
2011-06-28
RoDee, Christopher (Department: 1721)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
C430S120100, C399S253000, C399S270000, C399S272000, C399S273000
Reexamination Certificate
active
07968267
ABSTRACT:
The purpose is to provide, in a development apparatus using a two-component developer, a compact development apparatus, image forming apparatus and development method that prevents carrier deterioration and that can carry out good image formation over a long time period. In a development apparatus using a developer in which are mixed a toner, a carrier, and opposite polarity particles that are charged to a polarity opposite to the charging polarity of the toner, the surface charge density of the opposite polarity particles should be in the range of 0.5 to 3.0 times the surface charge density of the carrier.
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Hirayama Junya
Maeyama Takeshi
Matsuura Masahiko
Natsuhara Toshiya
Uetake Shigeo
Brinks Hofer Gilson & Lione
Konica Minolta Business Technologies Inc.
Rodee Christopher
Vajda Peter L
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