Patent ID: 9067413
Filing Date: 2015-06-30
Classification: B41J

Abstract:
1. A liquid jet head having a plurality of head chips each comprising: an actuator portion comprising: a nozzle plate bonded to a first end face of the actuator portion, the nozzle plate having a nozzle communicating to the channel; wherein the plurality of head chips are laminated to form a laminated structure in which surfaces of the nozzle plates of the respective head chips are flush with one another, wherein the actuator portion of each head chip further comprises a communication path, and the communication path in the actuator portion in an upper layer of the laminated structure communicates to an upstream side of the filter and the communication path of the actuator portion in a lower layer of the laminated structure, wherein a plurality of the channels of the actuator portions are arranged to form a channel row, the first liquid chamber of each actuator portion communicates to the plurality of the channels forming the channel row, and the communication path of each actuator portion is provided in a vicinity of an end portion of the first liquid chamber in a direction of arrangement of the plurality of the channels forming the channel row, wherein the communication path of each actuator portion comprises a first communication path provided in a vicinity of one end portion of the first liquid chamber and a second communication path provided in a vicinity of another end portion of the first liquid chamber in the direction of arrangement of the plurality of the channels forming the channel row, and wherein the first communication path in the head chip in an upper layer of the laminated structure communicates to the first communication path and the upstream side of the filter of the head chip in a lower layer of the laminated structure, and the second communication path in the head chip in the upper layer of the laminated structure communicates to the second communication path and the upstream side of the filter of the head chip in the lower layer of the laminated structure.