印刷圆盘电容器的设计公式

IF 1.9 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC Journal of Electrostatics Pub Date : 2024-07-15 DOI:10.1016/j.elstat.2024.103954

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Design formula for a printed disc capacitor

An established formula for capacitance C of a thin metal disc printed on a dielectric substrate with height h and relative permittivity $ε_{r} \geq 2.2$ , backed by a conducting ground plane, is inverted into a closed formula. The latter yields disc's radius r for a given C and a given substrate, with an accuracy of 5 % of C or better if $r \geq h / 2$ . It will save the design engineer time, whose alternative is to resort to a numerical field solver and go by trial and error.

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来源期刊

Journal of Electrostatics 工程技术-工程：电子与电气

CiteScore

4.00

自引率

11.10%

发文量

审稿时长

49 days

期刊介绍： The Journal of Electrostatics is the leading forum for publishing research findings that advance knowledge in the field of electrostatics. We invite submissions in the following areas: Electrostatic charge separation processes. Electrostatic manipulation of particles, droplets, and biological cells. Electrostatically driven or controlled fluid flow. Electrostatics in the gas phase.

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