| 摘要 |
PCT No. PCT/JP81/00423 Sec. 371 Date Aug. 27, 1982 Sec. 102(e) Date Aug. 27, 1982 PCT Filed Dec. 28, 1981 PCT Pub. No. WO82/02363 PCT Pub. Date Jul. 22, 1982.An ink jet printing head which includes a head body provided with an ink filling port (18), a plurality of rows of nozzles (32A1 through 32A5, 40B1 through 40B5) arrayed in a staggered formation, pressure chambers (21A1, 21A2, . . . , 21B1, 21B2, . . . ), one for each of the nozzles, and ink passages (28A1, . . . , 33A1, . . . , 38B1, . . . , 41B1, . . . ) connecting the ink filling port with the nozzles via corresponding pressure chambers. (19A1 through 19A5, 19B1 though 19B5). The pressure chambers are formed inside the head body and adjacent to the surface of at least one side of the head body. Piezoelectric elements are mounted on the outside of the head body at positions corresponding to the pressure chambers.
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