Abstract
For fast and accurate force measurements, e.g., sampling the impact of a liquid droplet, a highly sensitive high-bandwidth force sensor is required. High-sensitivity and high-bandwidth are contradictive specifications in recently published force sensors. The miniature force sensor proposed in this paper uses a novel combination of in-plane sensing, mechanical amplification, and piezoresistive readout that overcomes this contradiction. The straight-forward fabrication process consists of three photomasks and uses a single SOI wafer. The sensor has a proven range of 13 mN, a sensitivity of 1.46 /N and a bandwidth of 75 kHz. This is the first force sensor in this force range with such a large bandwidth and has the potential to open up a new field of force sensing where high sampling rates and low ranges are crucial.
Original language | English |
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Title of host publication | 2022 IEEE 35th International Conference on Micro Electro Mechanical Systems Conference (MEMS) |
Place of Publication | Tokyo, Japan |
Publisher | IEEE |
Pages | 684-687 |
Number of pages | 4 |
ISBN (Electronic) | 978-1-6654-0911-7 |
ISBN (Print) | 978-1-6654-0912-4 |
DOIs | |
Publication status | Published - 11 Feb 2022 |
Event | 35th International Conference on Micro Electro Mechanical Systems Conference, MEMS 2022 - Tokyo, Japan Duration: 9 Jan 2022 → 13 Jan 2022 Conference number: 35 https://ieeemems2022.org/ |
Conference
Conference | 35th International Conference on Micro Electro Mechanical Systems Conference, MEMS 2022 |
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Abbreviated title | MEMS 2022 |
Country/Territory | Japan |
City | Tokyo |
Period | 9/01/22 → 13/01/22 |
Internet address |
Keywords
- Force sensor
- Load cell
- Microdroplet
- Needle-free injector
- Liquid jets
- Mechanical amplification.