Hybrid (3D and inkjet) printed electromagnetic pressure sensor using metamaterial absorber

被引：42

作者：

Jeong, Heijun ^{[1
]}

Cui, Yepu ^{[2
]}

Tentzeris, Manos M. ^{[2
]}

Lim, Sungjoon ^{[1
]}

机构：

[1] Chung Ang Univ, Sch Elect & Elect Engn, Seoul 06974, South Korea

[2] Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA

来源：

ADDITIVE MANUFACTURING | 2020年 / 35卷

基金：

新加坡国家研究基金会;

关键词：

Pressure sensor; Metamaterial absorber; Electromagnetic based sensor; 3D printing; Inkjet printing; ENERGY;

D O I：

10.1016/j.addma.2020.101405

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper proposed a hybrid printed electromagnetic pressure sensor using a metamaterial absorber. We used a three-dimensional printed flexible resin for the transformable substrate with inkjet printed conducive patterns stacked on the printed substrate to realize a hybrid printed electromagnetic pressure sensor. A square ring pattern was implemented for the metamaterial absorber unit cell. Since absorption frequency varied with substrate thickness, the device could be used as an electromagnetic pressure sensor with mechanically transformable substrate. Performance was numerically and experimentally measured, and absorption frequency increased from 5.2 to 5.66 GHz by applying 0 and 20 N pressure, respectively; device sensitivity = 7.75 x 10(8) Hz/mm (0.2 x 10(8) Hz/N); and repeatability was retained up to 100 cycles.

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页数：8

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