Electrostatic image forming process and particles comprising rea

Details Electrostatic image forming process and particles comprising rea Electrostatic image forming process and particles comprising rea

1978-09-13

1980-10-28

Welsh, John D.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

To produce color reproduction

430120, 430106, 430109, 430 66, 430124, G03G 908

Patent

active

042307848

ABSTRACT:
Image forming particles for use in electrostatic image formation, which particles have a light transmitting property, said particles comprising an electrically conductive material and subliming substance. The electrically conductive particles exhibit superior translucency which enables a charge preliminarily imparted to a photoconductive support member to be readily erased upon exposure to light image from an original, with consequent reduction of electrostatic attraction between the particles and the support member to minimum for presenting clear and definite images without fogging. Furthermore, the particles are electrically independent due to absence of electrostatic attraction therebetween and because of their electrical conductivity adhere to the support member by electrostatic induction of the charge imparted to the latter without adhesion between the particles, thus being uniformly arranged on the support member in one single layer and as close to each other as possible, thus offering resultant images of superior quality.

REFERENCES:
patent: 2940847 (1960-06-01), Kaprelian
patent: 3080251 (1963-03-01), Claus
patent: 3337288 (1967-08-01), Horiguchi et al.
patent: 3669922 (1972-06-01), Bartsch
patent: 3938922 (1976-02-01), Jadwin
patent: 4054712 (1977-10-01), Nagashima et al.
patent: 4145300 (1979-03-01), Hendriks

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