Image forming device having a control electrode for controlling

Details Image forming device having a control electrode for controlling Image forming device having a control electrode for controlling

1994-03-04

1997-04-29

Tran, Huan H.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

B41J 2035, B41J 206

Patent

active

056253923

ABSTRACT:
An edge electrode includes a plurality of control electrodes formed on an insulation sheet. The insulation sheet 2 is a 25 .mu.m thick layer of polymide. A recording surface is provided at a thickness side of the insulation sheet. The edge electrode is disposed so that the recording surface is adjacent to toner borne on a toner-bearing roller. A recording edge is provided as a narrow surface of the insulation sheet bordering the recording surface and confronting a back-electrode roller. The control electrodes are formed on the recording edge confronting a recording medium. Each control electrode is formed to about 1 .mu.m thick on the recording edge. The control electrodes are formed at an interval of about 125 .mu.m. The dimension of the control electrodes in the direction following the recording edge is about 100 .mu.m.

REFERENCES:
patent: 3689935 (1972-09-01), Pressman et al.
patent: 5138346 (1992-08-01), Muto
patent: 5216951 (1993-06-01), Yokoyama et al.
patent: 5357274 (1994-10-01), Kitamura

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