Patent ID: 6412915
Filing Date: 2002-07-02
Classification: B41J

Abstract:
An ink jet recording head comprising: a supporting frame from which a printing ink is transferred to a recording medium and defining an opening having a front end from which the ink is ejected and a liquid chamber communicating with the opening for storing ink therein and transferring ink to the opening; a plurality of recording electrodes disposed on a surface of the supporting frame proximate the opening and being arranged so that each recording electrode has a side surface facing a side surface of an adjacent recording electrode; a counter electrode confronting the recording electrodes so that a minute gap is formed therebetween; a power source circuit for supplying a voltage across the recording electrodes and the counter electrode to eject ink in the vicinity of the respective recording electrode from the front end of the opening; and electrically insulating members respectively arranged between adjacent recording electrodes so that an insulating member is disposed between the facing side surfaces of adjacent recording electrodes to prevent electric discharge between the respective recording electrodes.