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基于多环电极的PMUT具有可调节的偏移

Jan Helmerich1, Manfred Wich1, Annika Hofmann1

  • 1Laboratory for Electrical Instrumentation and Embedded Systems, Department of Microsystems Engineering (IMTEK), University of Freiburg, 79110 Freiburg, Germany.

Micromachines
|June 27, 2025
PubMed
概括

压电微机超声波传感器 (PMUT) 提供微米级的kHz频率,克服了批量传感器的限制. 他们的新型环电极设计允许可调节的声场和双频发射用于小型化应用.

关键词:
在PMUTUT中使用.在 PZT 化过程中,可调节的偏斜曲.压电材料的特征分析多个电极设计多个电极设计.超声波传感器 超声波传感器

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Types of Reversible Electrodes01:24

Types of Reversible Electrodes

For electrode reversibility to be maintained, all the reactants and products involved in the half-reaction must be present at the electrode. There are several types of reversible electrodes (half-cells).In metal-metal-ion electrodes, a metal balances electrochemically with a solution of its own ions. Examples are Cu2+|Cu and Zn2+|Zn. Metals that react with the solvent, like group 1 and most group 2 metals, which react with water, and zinc, which reacts with aqueous acidic solutions, cannot be...