Patent ID: 6692109
Filing Date: 2004-02-17
Classification: B41J

Abstract:
An ink-jet head, comprising:a plurality of nozzles that eject ink; a first flat plate layer including at least one flat plate formed with an array of pressure chambers that communicate with a corresponding one of the nozzles; a second flat plate layer including at least one flat plate formed with a common ink chamber having a shape elongated in a direction of the array of the pressure chambers; an ink flow passage that communicates at one end with a corresponding one of the pressure chambers and at another end with the common ink chamber; an ink supply passage connecting the common ink chamber and an ink supply source; a flat plate member that is a thin film disposed between the first flat plate layer and the second flat plate layer; a filter formed at the flat plate member that filters the ink; and a damper chamber formed at a flat plate fixed on the flat plate member on a side thereof opposed to the common ink chamber.