| 摘要 |
<p>An ink jet head apparatus includes a piezoelectric actuator (23, 45, 55) having a plurality of laminated piezoelectric elements, each of the piezoelectric elements having a piezoelectric body (30) with a signal electrode (32) and a ground electrode (31) formed on the opposite sides of the piezoelectric body, an ink chamber (24, 42, 52) for storing ink pressurized by a transformation of the piezoelectric actuator a connecting conductor (37) for the signal electrode through which signal electrodes (32, 34) having a plurality of the signal electrode are connected to each other, and a connecting conductor (36) for the ground electrode through which ground electrodes (31, 33, 35) having a plurality of the ground electrode are connected to each other, and the connecting conductor for the ground electrode being located on the side of the ink chamber. <IMAGE></p> |
