JP6860674B2 - 電気化学センサおよび電気化学センサの形成方法 - Google Patents
電気化学センサおよび電気化学センサの形成方法 Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/404—Cells with anode, cathode and cell electrolyte on the same side of a permeable membrane which separates them from the sample fluid, e.g. Clark-type oxygen sensors
- G01N27/4045—Cells with anode, cathode and cell electrolyte on the same side of a permeable membrane which separates them from the sample fluid, e.g. Clark-type oxygen sensors for gases other than oxygen
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Description
101 シリコン基板
102 マイクロキャピラリ
103 絶縁層
104 電極開口部
105A、105B 導電トラック
106A、106B 接着層
107 パッシベーション層
108 開口部
109A、109B、109C、109D 穴
110A 作用電極
110B 対電極
111 キャップ
112A、112B エポキシ/接着剤またはフリットガラス
113 穴
114 電解質
Claims (24)
- 基板、絶縁層、少なくとも1つの電極が多孔質電極である少なくとも2つの電極、前記少なくとも2つの電極がそれぞれ連結された少なくとも2つの導電トラック、および電解質を備える電気化学センサであって、前記少なくとも1つの多孔質電極が、前記絶縁層内の開口部に形成され、前記電解質が、前記電極および前記絶縁層の上に層として形成され、前記基板が、その中に形成された少なくとも1つの穴を有し、前記センサが、前記多孔質電極が前記基板内の前記少なくとも1つの穴を通して環境にさらされるように構成され、前記少なくとも1つの多孔質電極は実質的に円形であり、前記少なくとも1つの多孔質電極に連結された導電トラックは、前記少なくとも1つの多孔質電極と同軸であり、かつ前記少なくとも1つの多孔質電極の外縁内に位置付けされたリング状部分を有する、電気化学センサ。
- 前記少なくとも1つの穴は、複数のマイクロキャピラリである、請求項1に記載のセンサ。
- 前記絶縁層が、前記基板の第1の表面上またはそれに隣接して形成され、前記少なくとも1つの多孔質電極の一部が、前記絶縁層内の前記開口部によって画定された面積において、前記基板の前記第1の表面上またはそれに隣接して形成される、請求項1または請求項2に記載のセンサ。
- 前記絶縁層内の前記開口部は、前記絶縁層を通って延在する、請求項1、2または請求項3に記載のセンサ。
- 前記絶縁層の上に形成されたキャップをさらに備え、前記電解質が、前記キャップ内に提供され、前記キャップを少なくとも部分的に満たす、請求項1〜4のいずれか1項に記載のセンサ。
- 前記キャップによって画定された空間と連通して、前記基板内に形成された少なくとも1つの凹部をさらに備え、前記電解質はまた、前記凹部内に提供される、請求項5に記載のセンサ。
- 1つ以上の追加電極をさらに備え、前記追加電極は、前記絶縁層によって前記基板から絶縁されている、請求項1〜6のいずれか1項に記載のセンサ。
- 前記導電トラックが、前記絶縁層内の前記開口部の側壁および/または前記基板内に形成された前記少なくとも1つの穴の側壁の上に延在する、請求項1〜7のいずれか1項に記載のセンサ。
- 前記絶縁層および前記導電トラックの上に形成されたパッシベーション層をさらに備え、前記パッシベーション層は、その中に形成された2つ以上の穴を有し、前記2つ以上の穴は、前記導電トラックの部分と位置合わせされている、請求項8に記載のセンサ。
- 前記電解質は、水性または有機液体電解質、ゼリー状電解質ヒドロゲル、導電性ポリマ、および室温イオン液体のうちの1つを含む、請求項1〜9のいずれか1項に記載のセンサ。
- 前記電解質は、二層電解質である、請求項10に記載のセンサ。
- ガスが、前記基板の側から前記少なくとも1つの穴に到達することを可能にするために、前記基板の下側に形成された溝をさらに含む、請求項1〜11のいずれか1項に記載のセンサ。
- 請求項1〜12のいずれか1項に記載の複数の電気化学センサを備えるアレイ内の、請求項1〜12のいずれか1項に記載のセンサ。
- 集積回路内に含まれる、請求項1〜13のいずれか1項に記載のセンサ。
- 前記少なくとも2つの電極のうちの他方は、部分的に環状であり、作用電極である前記少なくとも1つの多孔質電極の周囲の周りに形成されている、請求項1〜14のいずれか1項に記載のセンサ。
- 前記絶縁層内の前記開口部は、実質的に円形であり、前記少なくとも1つの多孔質電極と同軸である、請求項15に記載のセンサ。
- 前記少なくとも2つの電極のうちの他方と位置合わせされた、少なくとも1つの部分的環状の導電トラックをさらに備える、請求項15または16に記載のセンサ。
- 前記部分的に環状の電極は、半環状である、請求項15に記載のセンサ。
- 前記センサは、2つのセンサを含み、各センサは、それぞれの作用電極およびそれぞれの対電極を有し、共通の参照電極を共有する、請求項15に記載のセンサ。
- 前記作用電極は半円形であり、前記対電極は4分の1環状である、請求項19に記載のセンサ。
- 前記センサは、2つのセンサを含み、各センサは、それぞれの作用電極を有し、共通の対電極および共通の参照電極を共有する、請求項15に記載のセンサ。
- 前記作用電極は半円形であり、前記対電極は半環状である、請求項21に記載のセンサ。
- 前記センサは、2つのセンサを含み、各センサは、それぞれの作用電極およびそれぞれの対電極、ならびにそれぞれの参照電極を有する、請求項15に記載のセンサ。
- 前記導電トラックの縁から絶縁され、それに沿って位置付けされた、遮蔽導電トラックをさらに備える、請求項1〜23のいずれか1項に記載のセンサ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US15/251,833 US10620151B2 (en) | 2016-08-30 | 2016-08-30 | Electrochemical sensor, and a method of forming an electrochemical sensor |
US15/251,833 | 2016-08-30 | ||
PCT/EP2017/071669 WO2018041834A2 (en) | 2016-08-30 | 2017-08-29 | An electrochemical sensor, and a method of forming an electrochemical sensor |
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JP2019529947A JP2019529947A (ja) | 2019-10-17 |
JP6860674B2 true JP6860674B2 (ja) | 2021-04-21 |
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JP2019532191A Active JP6860674B2 (ja) | 2016-08-30 | 2017-08-29 | 電気化学センサおよび電気化学センサの形成方法 |
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US (1) | US10620151B2 (ja) |
EP (1) | EP3507598A2 (ja) |
JP (1) | JP6860674B2 (ja) |
CN (1) | CN109804241A (ja) |
WO (1) | WO2018041834A2 (ja) |
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US11268927B2 (en) | 2016-08-30 | 2022-03-08 | Analog Devices International Unlimited Company | Electrochemical sensor, and a method of forming an electrochemical sensor |
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US10730743B2 (en) | 2017-11-06 | 2020-08-04 | Analog Devices Global Unlimited Company | Gas sensor packages |
US11022579B2 (en) | 2018-02-05 | 2021-06-01 | Analog Devices International Unlimited Company | Retaining cap |
US11635404B2 (en) * | 2019-04-04 | 2023-04-25 | Battelle Energy Alliance, Llc | Methods for manufacturing electrochemical sensors, and related electrochemical sensors |
US11587839B2 (en) | 2019-06-27 | 2023-02-21 | Analog Devices, Inc. | Device with chemical reaction chamber |
US20210048406A1 (en) * | 2019-08-13 | 2021-02-18 | Analog Devices International Unlimited Company | Electrochemical sensor and method of forming thereof |
US11536680B2 (en) * | 2019-11-14 | 2022-12-27 | Analog Devices International Unlimited Company | Electrochemical sensor and method of forming thereof |
US11609207B2 (en) * | 2020-03-31 | 2023-03-21 | Analog Devices International Unlimited Company | Electrochemical sensor and method of forming thereof |
WO2022025102A1 (ja) * | 2020-07-28 | 2022-02-03 | 国立大学法人東京大学 | 検知装置、検知方法、学習装置、及び検知装置の製造方法 |
US11940502B2 (en) | 2021-09-24 | 2024-03-26 | Analog Devices International Unlimited Company | Magnetic field sensing based on particle position within container |
US11846598B2 (en) | 2021-12-31 | 2023-12-19 | Analog Devices International Unlimited Company | Reference electrode |
CN114518396A (zh) * | 2021-12-31 | 2022-05-20 | 无锡市尚沃医疗电子股份有限公司 | 一种电化学气体传感器及其制作方法 |
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