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3D Printed Pressure Sensor Based on Surface Acoustic Wave Resonator Cover

3D Printed Pressure Sensor Based on Surface Acoustic Wave Resonator

Open Access
|Jun 2021

Abstract

This paper reports a 3-dimentional (3D) pressure sensor based on surface acoustic wave (SAW) resonators. The SAW resonators were designed and fabricated on 128°Y-X LiNbO3 substrate using the MEMS technology. The pressure sensing structure was 3D-printed using polyactic acid plastic, and two SAW resonators were integrated in the 3D-printed chamber structure for both temperature and pressure sensing. The SAW-based gas pressure sensors demonstrate a sensitivity of 589 ppm/MPa at the pressure range of 100-600 kPa and temperature of 40 °C.

Language: English
Page range: 76 - 81
Submitted on: Mar 30, 2021
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Accepted on: May 31, 2021
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Published on: Jun 24, 2021
In partnership with: Paradigm Publishing Services
Publication frequency: Volume open

© 2021 Baofa Hu, Zhiwei Li, Yuanjie Wan, Peng Zhou, Chunquan Zhang, Haisheng San, published by Slovak Academy of Sciences, Institute of Measurement Science
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.