Patent ID: 6769158
Filing Date: 2004-08-03
Classification: B41J,Y10T

Abstract:
A method of manufacturing a piezo-electric printhead comprising the steps of:providing a block having a piezo-electric layer disposed on a ceramic base, said piezo-electric layer having layered electrodes embedded therein in the form of a metal paste, said ceramic base being substantially flat and defining a plane, said layered electrodes being generally parallel to said ceramic base; forming a first dice in the piezo-electric layer to a first predetermined depth; forming a second dice in the piezo-electric layer parallel to the first dice, the second dice formed to a second predetermined depth different from the first predetermined depth, the first and second dice defining a column of piezo-electric actuators, the actuator column having an internal face and an outer face, with a shared electrode on the internal face and an oppositely charged electrode on the outer face; plating an outer surface of the piezo-electric layer with conductive material; and cutting the ceramic block transverse to the dicing to a third predetermined depth different from the first and second predetermined depths forming an array of piezo-electric actuators.