Selective wetting using a micromist of particles

Details Selective wetting using a micromist of particles Selective wetting using a micromist of particles

1974-12-31

1976-05-25

Eddleman, Alfred H.

Recorders

Magnetographic

346 74J, G01D 1506, G11B 900

Patent

active

039597989

ABSTRACT:
Selective or controlled "wetting" of particles to the surface of a substrate or medium is effected by ultrasonically generating a micromist of small nebulized magnetic particles, typically of micron or submicron size. In the absence of a magnetic field, exposure of the surface of the substrate or medium to the micromist fails to produce any "wetting" of the particles to the surface. In the presence of a magnetic field, however, the particles are caused to locally "wet" the surface in accordance with the field pattern. Use of a micromist of magnetic ink particles for printing, typing and copying applications is described.

REFERENCES:
patent: 3292171 (1966-12-01), Wilson
patent: 3526500 (1970-09-01), Opdycke et al.
patent: 3566786 (1971-03-01), Kaufer
patent: 3573845 (1971-04-01), Gourdine

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