Multi-frequency Quartz Oscillator Based Liquid Concentration Sensor with External Magnetic Field for Ion Discrimination
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- Fujimori Hiroki
- Graduate School of Science and Technology, Niigata University
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- Togashi Yuki
- Graduate School of Science and Technology, Niigata University
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- Sohgawa Masayuki
- Graduate School of Science and Technology, Niigata University
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- Abe Takashi
- Graduate School of Science and Technology, Niigata University
Bibliographic Information
- Other Title
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- 外部磁場を利用した多周波水晶発振回路式液体濃度センサによるイオン種分析
- ガイブ ジバ オ リヨウ シタ タシュウハ スイショウ ハッシン カイロシキ エキタイ ノウド センサ ニ ヨル イオンシュ ブンセキ
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Description
<p>In this paper, we developed a quartz oscillator based liquid concentration sensor that analyzes ion species and concentration in a conductive aqueous solution using external magnetic field and frequency dependence. This sensor is composed of the sensing capacitor (SC) and quartz crystal resonator (QCR). The proposed sensor is a contactless capacitive sensor using out-of-plane electric field of a planer sensing capacitor. We succeeded in improving sensitivity using frequency dependence and estimating ion species in aqueous solution by applying an external magnetic field. Because this contactless capacitive sensor is low-priced, we can expect the use for the liquid management of various fields.</p>
Journal
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- IEEJ Transactions on Sensors and Micromachines
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IEEJ Transactions on Sensors and Micromachines 140 (12), 349-353, 2020-12-01
The Institute of Electrical Engineers of Japan
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Details 詳細情報について
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- CRID
- 1390849376467606144
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- NII Article ID
- 130007948608
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- NII Book ID
- AN1052634X
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- ISSN
- 13475525
- 13418939
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- NDL BIB ID
- 030793541
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed