Process for generating a latent magnetic image

Details Process for generating a latent magnetic image Process for generating a latent magnetic image

1981-06-18

1983-08-09

Martin, Jr., Roland E.

Radiation imagery chemistry: process, composition, or product th

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

Magnetic imaging

346 744, 360 59, G03G 1900

Patent

active

043979297

ABSTRACT:
In forming a latent magnetic image by imagewise demagnetization of a magnetized layer, less than the entire thickness of the exposed area is demagnetized so as to induce a magnetization of opposite polarity in the demagnetized area, thus reducing the net strength of the residual and induced magnetic fields within the exposed areas.

REFERENCES:
patent: 3521294 (1970-07-01), Treves
patent: 3555556 (1971-01-01), Nacci
patent: 3613100 (1971-10-01), Kaufer et al.
patent: 3845306 (1974-10-01), Kohlmannsperger
patent: 4294901 (1981-10-01), Genovese

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