PIEZOELECTRIC CERAMIC DRIVING ARRAY AND SURFACE SHAPE ADJUSTING METHOD

• Main Authors: WANG, Heng, WANG, Yanqin, WANG, Changtao, LI, Jian, WANG, Qiang, FAN, Kaili, ZHAO, Bo
• Format: Patent
• Language: Chinese; English; French
• Published: 04.07.2024
• Subjects: ELECTRICITY

Provided are a piezoelectric ceramic driving array and a surface shape adjusting method. The piezoelectric ceramic driving array comprises: a bottom plate electrode layer (1), a piezoelectric ceramic array (2) and an insulating layer (3) which are stacked in sequence. The bottom plate electrode layer (1) comprises bottom plate electrodes (11) arranged in an array; the piezoelectric ceramic array (2) comprises at least one layer of piezoelectric ceramic array units (21), multiple layers of piezoelectric ceramic array units (21) being stacked, and each layer of piezoelectric ceramic array units (21) comprises a positive electrode layer (22) and a negative electrode layer (23) which are stacked; a positive electrode layer (22) comprises a first piezoelectric ceramic sheet (221) and a positive electrode array formed on the surface thereof, and a negative electrode layer (23) comprises a second piezoelectric ceramic sheet (231) and a negative electrode array formed on the surface thereof; the positive electrodes (