Electrostatic image developing process

Details Electrostatic image developing process Electrostatic image developing process

1974-09-20

1976-04-27

Smith, Ronald H.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427 27, G03G 1300

Patent

active

039536181

ABSTRACT:
An electrostatic image developer of the powder cloud type incorporating an image field screen or plate adjacent the receptor sheet carrying the electrostatic image, and including means for varying the image field plate potential and spacing during the developing cycle for improved contrast in the resultant visual picture. A method of developing including varying the image field screen potential and spacing during the developing cycle.

REFERENCES:
patent: 2861543 (1958-11-01), Crumrine et al.
patent: 2914221 (1959-11-01), Rosenthal
patent: 3251685 (1966-05-01), Bickmore
patent: 3357399 (1967-12-01), Fisher
patent: 3357403 (1967-12-01), Donalies
patent: 3372675 (1968-03-01), Tressel
patent: 3460468 (1969-08-01), Johnson
patent: 3613637 (1971-10-01), Shah et al.
patent: 3640246 (1972-02-01), Jeromin et al.
patent: 3861354 (1975-01-01), Muntz et al.

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