DEP (direct electrostatic printing) device with special printhea

Details DEP (direct electrostatic printing) device with special printhea DEP (direct electrostatic printing) device with special printhea

1995-11-08

1998-12-15

Fuller, Benjamin R.

Incremental printing of symbolic information

Electric marking apparatus or processes

Electrostatic

347 55, B41J 247, G01D 1514, G02B 2600, G02B 2700

Patent

active

058502440

ABSTRACT:
A device for direct electrostatic printing (DEP) including a back electrode, a printhead structure made from an insulating material and having a control electrode in combination with printing apertures, and a toner delivery apparatus that presents a cloud of toner particles in the vicinity of the printing apertures, in which the printhead structure is tightly stretched over a frame by means of lateral forces and the printhead structure has an overall flatness equal to or better than 50 .mu.m.

REFERENCES:
patent: 4478510 (1984-10-01), Fujii et al.
patent: 5095322 (1992-03-01), Fletcher
patent: 5121144 (1992-06-01), Schmidlin et al.
patent: 5202704 (1993-04-01), Larson et al.
patent: 5204696 (1993-04-01), Iwao
patent: 5363124 (1994-11-01), Arway
patent: 5609910 (1997-03-01), Hackleman

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