Preparation method of porous piezoelectric electret

The invention belongs to the technical field of electrets, and particularly relates to a preparation method of a porous piezoelectric electret, which comprises the following steps: S1, providing electret material dispersion liquid; s2, coating the electret material dispersion liquid on the back plat...

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Bibliographic Details
Main Authors YAN YUFU, TAO HUIFANG, ZHU YEHUA, CAO ZUYANG, ZHANG YONGQUAN, CHEN XIAOLI, HUANG CHENGDONG
Format Patent
LanguageChinese
English
Published 10.01.2023
Subjects
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
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