Patent ID: 11964482
Assignee: SEIKO EPSON CORPORATION
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A liquid ejecting head, comprising:
a nozzle substrate in which a plurality of nozzles arranged in a first direction is provided;
a pressure compartment substrate in which a plurality of pressure compartments arranged in the first direction is provided;
a diaphragm; and
a piezoelectric element that includes a common electrode provided in common to the plurality of pressure compartments, a plurality of individual electrodes provided individually for the plurality of pressure compartments, and a piezoelectric body sandwiched between the common electrode and the plurality of individual electrodes; wherein
the nozzle substrate, the pressure compartment substrate, the diaphragm, and the piezoelectric element are stacked in a second direction intersecting with the first direction,
the plurality of pressure compartments includes a first pressure compartment and a second pressure compartment, the second pressure compartment being located next to the first pressure compartment in the first direction,
the plurality of nozzles includes a first nozzle that is in communication with the first pressure compartment and the second pressure compartment in a shared manner,
the piezoelectric element includes a first active region where the piezoelectric body is sandwiched between the common electrode and, among the plurality of individual electrodes, a first individual electrode,
the first active region is located to span from at least a part of the first pressure compartment to at least a part of the second pressure compartment as viewed in the second direction, and
the pressure compartment substrate includes a first partition wall located in the first active region for partitioning between the first pressure compartment and the second pressure compartment.