Patent ID: 6554409
Filing Date: 2003-04-29
Classification: B41J

Abstract:
An ink-jet recording head comprising:an actuator unit including a pressure chamber forming plate provided with a plurality of pressure chambers, and a plurality of pressure generators that produce pressure in the pressure chambers, respectively, to jet ink, the pressure chambers being grouped into two or more pressure chamber groups that correspond to two or more kinds of inks, respectively; a passage unit stacked on the actuator unit and including two or more ink storage chamber forming plates that are stacked on each other, each of the two or more ink storage chamber forming plates being provided with at least one ink storage chamber, the ink storage chambers storing inks to be supplied to the pressure chamber groups, respectively; at least one partition plate interposed between the storage chamber forming plates, wherein the two or more ink storage chambers overlap at least partly each other with respect to a direction in which the two or more storage chamber forming plates are stacked, and wherein portions of the two or more ink storage chambers overlapping each other are isolated from each other by the partition plate.