Patent ID: 11912029
Assignee: BROTHER KOGYO KABUSHIKI KAISHA
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B  H | IPC B  H

Claim 5:
6. The liquid discharging head according to claim 1, wherein each of the plurality of unit heads includes:
the first piezoelectric layer;
a second piezoelectric layer stacked with respect to the first piezoelectric layer in the first direction;
a third piezoelectric layer stacked with respect to the first piezoelectric layer and the second piezoelectric layer in the first direction such that the second piezoelectric layer is interposed between the first piezoelectric layer and the third piezoelectric layer;
a first electrode layer arranged on a surface, of the first piezoelectric layer, on an opposite side to the second piezoelectric layer in the first direction;
a second electrode layer arranged between the first piezoelectric layer and the second piezoelectric layer in the first direction; and
a third electrode layer arranged between the second piezoelectric layer and the third piezoelectric layer in the first direction;, the first electrode layer includes the plurality of driving electrodes;, the second electrode layer includes a first potential electrode maintained at the first potential;, the third electrode layer includes a second potential electrode maintained at the second potential; and, at least one of the first potential electrode and the second potential electrode is the common electrode.