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Updated: May 10, 2025

An Experimental Protocol for Assessing the Performance of New Ultrasound Probes Based on CMUT Technology in Application to Brain Imaging
16:01

An Experimental Protocol for Assessing the Performance of New Ultrasound Probes Based on CMUT Technology in Application to Brain Imaging

Published on: September 24, 2017

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无线超声波功率传输使用预充电的CMUT结构,内置充电储存电容器

Muhammetgeldi Annayev1, Feysel Yalçın Yamaner2, Ömer Oralkan3

  • 1Electrical and Computer Engineering, NC State University, 890 Oval, Drive, EB II, Raleigh, 27606, NC, USA. mannaye@ncsu.edu.

Microsystems & nanoengineering
|April 22, 2025
PubMed
概括

这项研究介绍了一种用于植入式医疗器械 (IMD) 的新型预充电电容微机超声波传感器 (CMUT). 新的设计使得高效的无线电力传输没有DC偏差,为医疗技术提供了显著的进步.

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In 1749, Benjamin Franklin coined the word battery for a series of capacitors connected to store energy. Capacitors store electric potential energy that can be released over a short time. This property means capacitors have a wide range of applications.
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Capacitors play a crucial role in car radios, where they filter and store frequencies to ensure clear signal reception. Essentially serving as energy storage devices, capacitors store energy within their electric field and are composed of two parallel conducting plates separated by a dielectric.
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Energy Stored in a Capacitor

When an archer pulls the string in a bow, he saves the work done in the form of elastic potential energy. When he releases the string, the potential energy is released as kinetic energy of the arrow. A capacitor works on the same principle in which the work done is saved as electric potential energy. The potential energy (UC) could be calculated by measuring the work done (W) to charge the capacitor.
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MOS Capacitor

A Metal-Oxide-Semiconductor (MOS) capacitor is a fundamental structure used extensively in semiconductor device technology, particularly in the fabrication of integrated circuits and MOSFETs (metal-oxide-semiconductor field-effect transistors). The MOS capacitor consists of three layers: a metal gate, a dielectric oxide, and a semiconductor substrate.
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