Patent ID: 6382770
Filing Date: 2002-05-07
Classification: B41J

Abstract:
An aperture electrode assembly for an image forming device including a recording particle supply unit for supplying electrically charged recording particles for the aperture electrode assembly, the aperture electrode assembly comprising:a substrate formed with a plurality of apertures through which electrically charged recording particles pass through, each of the plurality of apertures being defined by an aperture side wall, the substrate having a first surface and a second surface opposite from the first surface, the first surface of the substrate being covered with a first layer, the aperture side walls being covered with a second layer, the substrate being designed to be positioned so that at least a portion of the first layer is in intimate contact with the recording particle supplying member, wherein the first layer and the second layer are formed from a same material and are electrical charge preventing layers; and a plurality of electrodes provided on the second surface of the substrate for respective ones of the plurality of apertures.