Printing – Antismut device – Anti-offset material application
Patent
1975-01-21
1977-04-12
Eickholt, E. H.
Printing
Antismut device
Anti-offset material application
346153, 250325, 355 3R, 355 16, 101DIG13, G01D 1510
Patent
active
040168131
ABSTRACT:
An electrostatic line printing process employing multilayered particle modulator comprising a layer of insulating material on one side of the insulating layer and a segmented layer of conducting material on the other side of the insulating layer. At least one row of apertures is formed through the multilayered particle modulator. Each segment of the segmented layer of conductive material is formed around a portion of an aperture and is insulatively isolated from every other segment of the segmented conductive layer. Selected potentials are applied to each of the segments of the segmented conductive layer while a fixed potential is applied to the continuous conductive layer. An overall applied field projects charged particles through the row of apertures of the particle modulator and the density of the particle stream is modulated according to the pattern of potentials applied to the segments of the segmented conductive layer. The modulated stream of charged particles impinge upon a print-receiving medium interposed in the modulated particle stream and transplated relative to the particle modulator to provide line-by-line scan printing.
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Casanova John V.
Pressman Gerald L.
Eickholt E. H.
Electroprint, Inc.
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