Patent ID: 6020905
Filing Date: 2000-02-01
Classification: B41J

Abstract:
An ink jet printhead chip for use in an ink jet printhead having a cavity in communication with a supply of ink and a nozzle, said chip comprising:a plurality of at least three conductors; anda unitary actuator corresponding to said nozzle and coupled to said plurality of at least three conductors, said unitary actuator having a first active section and a second active section said first active section and said second active section being defined by a location of attachment of each of said plurality of at least three conductors to said unitary actuator;wherein said first active section and said second active section are defined to be located at a substantially equal distance from the nozzle,wherein said plurality of at least three conductors comprises:a first conductor coupled to a first region of said unitary actuator for defining said first active section;a second conductor coupled to a second region of said unitary actuator for defining said second active section; anda third conductor coupled to a third region of said unitary actuator to provide a common connection for defining said first active section and said second active section,wherein said unitary actuator has a first edge and a second edge, said first conductor connected to said first edge along a major portion thereof, said third conductor connected to said second edge along a major portion thereof, and further comprising an electrical insulation overlaying a portion of said first conductor and a portion of said actuator, wherein said third conductor is connected to an upper surface of said actuator.