Image forming apparatus

Details Image forming apparatus Image forming apparatus

1995-05-02

1999-04-27

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

B41J 206

Patent

active

058984470

ABSTRACT:
An aperture electrode member includes an insulating sheet having a plurality of apertures formed in a row therein, and a control electrode formed on the insulating sheet on the upper side of each of the apertures. On the face of the insulating sheet opposite to the face on which the apertures are formed, a coating layer serving as an oxide fine particle layer is formed at portions of insulating sheet at which the insulating sheet contacts with toner particle carried on the toner carrying roller. A coating layer can be formed by dispersing carbon serving as an antistatic agent and oxide fine particle silica serving as a fluidity increasing agent into a binder, applying the mixture to the insulating sheet to form a film and baking to harden it.

REFERENCES:
patent: 3672884 (1972-06-01), Mayer
patent: 3689935 (1972-09-01), Pressman et al.
patent: 5036341 (1991-07-01), Larsson
patent: 5497175 (1996-03-01), Maeda et al.
patent: 5558969 (1996-09-01), Uyttendaele et al.
Patent Abstracts of Japan, vol. 15, No. 237 (P1216) Jun. 19, 1991.
Patent Abstracts of Japan, vol. 7, No. 2281 (P127) Oct. 8, 1993.
Patent Abstracts of Japan, vol. 11, No. 45 (P-546), Feb. 10, 1987, JP-61-A-213831, (Hitachi Maxell LTD).

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