Photoelectrophoresis with dark charge injecting element

Details Photoelectrophoresis with dark charge injecting element Photoelectrophoresis with dark charge injecting element

1974-11-26

1976-09-14

Martin, Jr., Roland E.

Gas separation: apparatus

Magnetic separating means

96 1PE, 96 13, G03G 1322

Patent

active

039804771

ABSTRACT:
An improved photoelectrophoretic imaging method is disclosed wherein a blocking layer is provided with a coating which interacts, in the dark, with the pigment particles of the imaging suspension so as to provide a uniformly charged imaging suspension upon exposure of the suspension to an electric field. The coating material occupies at least a substantially equal position in the Dark Charge Injection Series as any pigment in the imaging suspension. Subsequent or simultaneous electromagnetic radiation to which at least some of the particles are sensitive then results in the formation of optically positive and negative images.

REFERENCES:
patent: 3384566 (1968-05-01), Clark
patent: 3535221 (1970-10-01), Tulagin
patent: 3595771 (1971-07-01), Weigl
patent: 3676313 (1972-07-01), Ciccarelli
patent: 3775107 (1973-11-01), Tulagin et al.
patent: 3782932 (1974-01-01), Tulagin
patent: 3787206 (1974-01-01), Goffe

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