Method and apparatus for producing electrostatic charge patterns

Details Method and apparatus for producing electrostatic charge patterns Method and apparatus for producing electrostatic charge patterns

1973-11-30

1976-01-27

Lawrence, James W.

Radiant energy

Source with charged plate-type detector

250324, G03g 1300, G03g 1500

Patent

active

039354555

ABSTRACT:
A method of recording an electrostatic charge pattern representing information to be recorded and generated in the interior of an air-tight envelope or chamber comprising a target towards which charged particles are projected, characterized in that the electrostatic charge pattern is produced within the envelope on an electrically insulating surface of a charge receiving material and (1) according to a first mode the charge pattern from such surface is transferred through an array of closely spaced solid conductors, held a solid electrically insulating matrix, to an uncharged electrically insulating surface of an other charge receiving material removably positioned at the outer side of the envelope or (2) according to a second mode the charge pattern from such surface is transferred through said conductors to an oppositely charged electrically insulating surface of a charge receiving material removably positioned at the outer side of the envelope forming according to the second mode a charge pattern in accordance with the un-neutralized area of the exterior insulating surface.

REFERENCES:
patent: 3041611 (1962-06-01), Moss
patent: 3508477 (1970-04-01), Groo
patent: 3757351 (1973-09-01), Simms
patent: 3774029 (1973-11-01), Muntz et al.

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