Abstract
The objective of this research is to develop a highly sensitive acoustic wave sensor using a tunneling current. The tunneling current device is fabricated with the hot embossing technology. Since polymethyl methacrylate (PMMA) is less expensive, has little stiffness, and is easier to work with micro-machining process compared to traditional silicon-based tunneling sensors, we fabricate the tip structure on the material using the hot embossing process. First, the frequency response of the tunneling device is measured by a piezoelectric transducer (PZT) and laser vibrometer to find the resonance frequency. Then the performance of the device is characterized by measuring the acoustic wave, which has the resonance frequency.
| Original language | English (US) |
|---|---|
| Title of host publication | 21st International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2021 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 1275-1278 |
| Number of pages | 4 |
| ISBN (Electronic) | 9781665412674 |
| DOIs | |
| State | Published - Jun 20 2021 |
| Event | 21st International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2021 - Virtual, Online, United States Duration: Jun 20 2021 → Jun 25 2021 |
Publication series
| Name | 21st International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2021 |
|---|
Conference
| Conference | 21st International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2021 |
|---|---|
| Country/Territory | United States |
| City | Virtual, Online |
| Period | 6/20/21 → 6/25/21 |
Bibliographical note
Funding Information:This work is supported by MnDRIVE—Minnesota’s Discovery, Research, and InnoVation Economy.
Funding Information:
The authors acknowledge the fabrication and characterization assistance provided by the Minnesota Nano Center and the Characterization Facility at the University of Minnesota.
Publisher Copyright:
© 2021 IEEE.
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 9 Industry, Innovation, and Infrastructure
Keywords
- Acoustic wave
- Hot embossing
- PMMA
- PZT
- Tunneling current
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