Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1992-02-26
1994-02-22
Martin, Roland
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430108, 430111, G03G 909, G03G 9107, G03G 9113
Patent
active
052885771
ABSTRACT:
A dry type developer is composed of substantially spherical, electrically insulating toner particles which are free from electroconductive particles, and carrier particles, each carrier particle including a core particle and a resin layer coated on the surface of the core particle, with a resistivity in the range of 10.sup.8 to 10.sup.14 .OMEGA.cm under application of a DC voltage of 1000 volts.
REFERENCES:
patent: 4357406 (1982-11-01), Kouchi et al.
patent: 4810611 (1989-03-01), Ziolo et al.
patent: 4912005 (1990-03-01), Goodman et al.
Watanabe Yoichiro
Yamaguchi Kimitoshi
Martin Roland
Ricoh & Company, Ltd.
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