Method of producing a piezoelectric actuator for ink jet printing heads, the piezoelectric actuator comprising a ceramic base plate and a series of oblong, parallel orientated piezoelectric ceramic actuator cuboids located on a contact face of the ceramic base plate; the piezoelectric ceramic actuator cuboids comprising metallization layers at or around their front cuboid base corner and rear actuator base corner that are located on a front end and on a rear end of each actuator cuboid; the ceramic base plate comprising on its contact face at least two contact areas (8,8') that are located in approximately the distance of the actuator cuboid base corners (6,6') and that are coated with a front end contact metallization layer and a rear end contact metallization layer; the piezoelectric ceramic actuator cuboids being contacted with the metallization layers of their base corners (6,6') to the front end contact metallization layer and rear end contact metallization layer on the contact face of the ceramic base plate, wherein the method comprises the steps of: (a) forming in the contact face of the ceramic base plate at least one groove with a bottom, which groove extends below the piezoelectric ceramic actuator cuboids and over the entire length of the piezoelectric actuator; (b) coating the groove and at least one adjacent base plate contact face with the front end contact metallization layer; (c) bonding with an adhesive individual piezoelectric ceramic plates to the ceramic base plate contact face; (d) contacting the piezoelectric ceramic plate, from which the future piezoelectric ceramic actuator cuboids will be cut, with the metallization layers at or around its front and rear base corners (12,12') to the front end contact metallization layer and rear end contact metallization layer on the contact face of the ceramic base plate; (e) dividing by separation cuts the piezoelectric ceramic actuator cuboids from the piezoelectric ceramic plate; each separation cut reaching through the piezoelectric ceramic actuator cuboids and the ceramic base plate contact face with their contact metallization layers (9,9'), but without reaching the bottom of the groove; and (f) providing a common electrical connection for the piezoelectric ceramic cuboids by leaving a non-cut contact metallization layer portion in the groove, wherein the piezoelectric actuator is confectioned as a cut-out of a multi element ceramic panel and built as a single row actuator with one series of actuator cuboids that are individually activatable over strip conductors of the rear end contact metallization layer on the ceramic base plate contact face of the piezoelectric actuator and at least one common contact line, which is connected to the front end contact metallization layer via the non-cut contact metallization layer portion in the groove; and the strip conductors and the at least one common contact line are located on the contact face of the ceramic base plate of the piezoelectric actuator and built to extend from the rear ends of the single row actuator cuboids; and the strip conductors are separated from the front end contact metallization layer by an adhesive that is utilized for bonding the piezoelectric ceramic plate to the ceramic base plate contact face of the piezoelectric actuator. (a) forming in the contact face of the ceramic base plate at least one groove with a bottom, which groove extends below the piezoelectric ceramic actuator cuboids and over the entire length of the piezoelectric actuator; (b) coating the groove and at least one adjacent base plate contact face with the front end contact metallization layer; (c) bonding with an adhesive individual piezoelectric ceramic plates to the ceramic base plate contact face; (d) contacting the piezoelectric ceramic plate, from which the future piezoelectric ceramic actuator cuboids will be cut, with the metallization layers at or around its front and rear base corners (12,12') to the front end contact metallization layer and rear end contact metallization layer on the contact face of the ceramic base plate; (e) dividing by separation cuts the piezoelectric ceramic actuator cuboids from the piezoelectric ceramic plate; each separation cut reaching through the piezoelectric ceramic actuator cuboids and the ceramic base plate contact face with their contact metallization layers (9,9'), but without reaching the bottom of the groove; and (f) providing a common electrical connection for the piezoelectric ceramic cuboids by leaving a non-cut contact metallization layer portion in the groove,