| 摘要 |
<p>An ink jet head is presented that decreases the density in wiring patterns to be connected to a large number of actuator terminals formed on a main body of the ink jet head while ensuring large spacing between the wirings. The ink jet head comprises a main body (70), a driver IC (80), and a sheet (50). The main body comprises a plurality of nozzles (8), a plurality of pressure chambers (5a), a plurality of actuators (21), and a plurality of actuator terminals (36) distributed on a surface of the main body. The driver IC can select any actuator terminal among the plurality of actuator terminals and transmit a driving voltage to the selected actuator terminal. The sheet mounts the driver IC at a first surface of the sheet and is fixed to the main body at a second surface. The sheet comprises a plurality of input terminals (61), a plurality of output terminals (75) distributed on the second surface, a plurality of first wirings (67) connecting the input terminals and the driver IC, and a plurality of second wirings (87) connecting the driver IC and the output terminals. Output terminals of the sheet are connected to the actuator terminals of the main body. The second wiring penetrates the sheet.</p> |
