Particle migration type sensitive materials and method of using

Details Particle migration type sensitive materials and method of using Particle migration type sensitive materials and method of using

1977-10-12

1979-09-18

Martin, Jr., Roland E.

Gas separation: apparatus

Magnetic separating means

96 15R, 96 18, G03G 1322, G03G 514

Patent

active

041681630

ABSTRACT:
In a method of making sensitive material for use in an image forming process which comprises uniformly charging the surface of a sensitive layer formed on a base and composed of an electrical insulator and photoconductive particles, subsequently exposing the charged surface to an optical image, and dissolving the electrical insulator with an organic solvent to selectively remove the photoconductive particles, the improvement which comprises using a base where at least one side of which is to be in contact with the sensitive layer is treated with a liquid containing a non-volatile material comprising colloidal alumina. The material as described is also claimed.

REFERENCES:
patent: 3520681 (1970-07-01), Goffe
patent: 3672988 (1972-06-01), Tamai et al.
patent: 3720513 (1973-03-01), Gundlach
patent: 3743537 (1973-07-01), Honjo et al.
patent: 3871881 (1975-03-01), Mikelsons
patent: 3944417 (1976-03-01), Lind

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