Electrostatic transfer of magnetically held toner images

Details Electrostatic transfer of magnetically held toner images Electrostatic transfer of magnetically held toner images

1978-10-27

1980-11-11

Hoffman, James R.

Radiation imagery chemistry: process, composition, or product th

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

Magnetic imaging

346 741, G03G 1900

Patent

active

042333822

ABSTRACT:
A process for reproducing graphic information wherein a magnetic image is formed in a premagnetized layer of acicular chromium dioxide by heating the chromium dioxide selectively to above its Curie point. Uncharged ferromagnetic toner particles are then applied uniformly to the chromium dioxide layer, but adhere only in the magnetized areas. The toner particles are then transferred electrostatically to a substrate.

REFERENCES:
patent: 4146898 (1979-03-01), Nelson
Webster's Seventh New Collegiate Dictionary, p. 883.

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