| 摘要 |
In a method of manufacturing an inkjet head having head chip 1 , including driving walls 13 composed of piezoelectric element and channels 14 arranged alongside alternatively, an outlet port and an inlet port provided on front and rear surfaces respectively for each channel, and driving electrode 15 to apply drive voltage to driving wall 13 formed inside the channel, jets ink in channel 14 from a nozzle by causing shear deformation to driving wall 13 by applying voltage to electrode 15 , wherein the groove is cut on the rear surface of the head chip across a channel array substantially parallel so as to cut away a portion of the driving walls 13 to a predetermined depth.
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