Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1984-10-09
1985-11-19
Martin, Roland E.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430102, 118658, 222403, 222423, 222DIG1, 427 25, 427 27, G03G 1309, G03G 1308
Patent
active
045542341
ABSTRACT:
A thin layer of triboelectrically charged toner for developing an electrostatic latent image is formed by forming a magnetic brush of magnetic particles in a container containing the toner and the magnetic particles, and circulating the magnetic brush in the container on a toner carrying member. In this case, a uniform layer of toner adapted for development is obtained, if the magnetic particles have specific shape characteristics such that, where each magnetic particle is assumed to be circumscribed with a rectangular parallelopiped having edge length of a, b and c satisfying a.gtoreq.b.gtoreq.c with the proviso that all of a, b and c are not the same, the average of b/a is from 0.4 to 1.0 and the average of c/a is from 0.4 to 0.95.
REFERENCES:
patent: 4337724 (1982-07-01), Hosono et al.
patent: 4365586 (1982-12-01), Hosono et al.
patent: 4385829 (1983-05-01), Nakahata et al.
Imai Eiichi
Suematsu Koshi
Takenouchi Masanori
Uchiyama Masaki
Canon Kabushiki Kaisha
Martin Roland E.
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