Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1981-08-26
1983-11-22
Kittle, John E.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430111, G03G 900
Patent
active
044169647
ABSTRACT:
Disclosed is a dry magnetic developer consisting essentially of a particulate shaped article of a composition comprising a binder resin medium and a powdery magnetic material dispersed in the binder resin medium, wherein said composition is composed of a non-pulverizing agglomerate of cubic particles, and particles having a number average particle size of 1 to 10 microns, as measured by an electron microscope, are incorporated as the powdery magnetic material.
This magnetic developer is excellent in the image sharpness, the resolving power and the half tone-reproducing property, and is especially effective for developing a positively charged latent image which is formed on a p-type photosensitive plate such as a selenium photosensitive plate or a photosensitive plate comprising an organic photoconductor layer.
REFERENCES:
patent: 2965573 (1960-12-01), Gundlach
patent: 3234017 (1966-02-01), Heyl et al.
patent: 4142981 (1979-03-01), Bean et al.
patent: 4165393 (1979-08-01), Suzuki et al.
patent: 4272600 (1981-06-01), Sypula et al.
patent: 4311779 (1982-01-01), Miyakawa et al.
patent: 4315064 (1982-02-01), Miyakawa et al.
Fujii Masanori
Koyama Haruo
Maekawa Kouji
Miyakawa Nobuhiro
Teshima Takashi
Goodrow John L.
Kittle John E.
Mita Industrial Co. Ltd.
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