| 摘要 |
PURPOSE:To obtain an ink jet head excellent in the uniformity of a jet characteristic, by a method wherein, a plurality of electrodes each constituted by laminating at least three layers at a definite interval are provided in the wall of a pressure chamber and electrode terminal parts constituted so that mutual odd-number-th electrodes and mutual even-number-th electrodes can be electrically connected through through- holes formed in the lamination direction of the electrodes are provided. CONSTITUTION:The electrode pattern of a first layer and that of a third layer counted from the side near to an ink chamber have lead-out electrodes 108, 109 electrically connecting drive electrodes 107 and further connecting the same to an external drive circuit and the electrode patterns of second and fourth layers have such a shape that lead-out electrodes 110 for connecting the drive electrodes 107 to the external drive circuit indivisually extend from the drive electrodes 107. Two electrode patterns are alternately laminated in an up-and-down direction and through-holes 113 piercing through ceramic layers are formed to the central parts of the electrode terminal parts 111, 112 provided to the leading ends of the lead-out electrodes 109, 110 and filled with a conductive paste before and after the laminate of the ceramic layers is sintered to respectively connect the electrodes of odd-number and even-number layers. |
