GENEVA, June 1 -- YANGTZE DELTA REGION INSTITUTE OF UNIVERSITY OF ELECTRONIC SCIENCE AND TECHNOLOGY OF CHINA, HUZHOU (Building B1, Science and Technology Innovation Complex, No. 819 Xisaishan RoadHuzhou, Zhejiang 313000), 电子科技大学长三角研究院(湖州) (中国浙江省湖州市西塞山路819号科技创新综合体B1幢) filed a patent application (PCT/CN2023/135772) for "PREPARATION METHOD FOR AND USE OF MANGANESE DIOXIDE DOPED PZT PIEZOELECTRIC CERAMIC" on Dec 01, 2023. With publication no. WO/2025/107351, the details related to the paten...