JP2019035613A - 膜型表面応力センサーを用いた水素センサー及び水素検出方法 - Google Patents
膜型表面応力センサーを用いた水素センサー及び水素検出方法 Download PDFInfo
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- JP2019035613A JP2019035613A JP2017155808A JP2017155808A JP2019035613A JP 2019035613 A JP2019035613 A JP 2019035613A JP 2017155808 A JP2017155808 A JP 2017155808A JP 2017155808 A JP2017155808 A JP 2017155808A JP 2019035613 A JP2019035613 A JP 2019035613A
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- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 193
- 239000001257 hydrogen Substances 0.000 title claims abstract description 193
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 160
- 150000002431 hydrogen Chemical class 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 35
- 239000011232 storage material Substances 0.000 claims abstract description 19
- 230000008569 process Effects 0.000 claims abstract description 9
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 84
- 239000007789 gas Substances 0.000 claims description 56
- 229910052763 palladium Inorganic materials 0.000 claims description 41
- 238000010926 purge Methods 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 9
- 230000004069 differentiation Effects 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 150000002739 metals Chemical class 0.000 claims description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052746 lanthanum Inorganic materials 0.000 claims description 3
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052715 tantalum Inorganic materials 0.000 claims description 3
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- 239000010408 film Substances 0.000 abstract description 134
- 230000008859 change Effects 0.000 abstract description 24
- 239000010409 thin film Substances 0.000 abstract description 9
- 238000004880 explosion Methods 0.000 abstract description 8
- 238000003860 storage Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 abstract description 5
- 230000035945 sensitivity Effects 0.000 description 33
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 30
- 239000000463 material Substances 0.000 description 15
- 238000005259 measurement Methods 0.000 description 13
- 230000004044 response Effects 0.000 description 13
- 238000006073 displacement reaction Methods 0.000 description 12
- 239000012528 membrane Substances 0.000 description 12
- 229910001873 dinitrogen Inorganic materials 0.000 description 10
- 229910052757 nitrogen Inorganic materials 0.000 description 10
- 238000002474 experimental method Methods 0.000 description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 239000010703 silicon Substances 0.000 description 6
- 230000008602 contraction Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 238000005566 electron beam evaporation Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 230000002123 temporal effect Effects 0.000 description 4
- 229910001316 Ag alloy Inorganic materials 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
- 229910000510 noble metal Inorganic materials 0.000 description 3
- SWELZOZIOHGSPA-UHFFFAOYSA-N palladium silver Chemical compound [Pd].[Ag] SWELZOZIOHGSPA-UHFFFAOYSA-N 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- SOFOSMZSYVRFDH-UHFFFAOYSA-N [PdH] Chemical compound [PdH] SOFOSMZSYVRFDH-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000000879 optical micrograph Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Abstract
Description
ここで、前記水素吸蔵材料はパラジウム、マグネシウム、チタン、バナジウム、ジルコニウム、ランタン、鉄、ニッケル、タンタル、及び前記金属の二以上の合金からなる群から選択されてよい。
また、前記感応膜の膜厚が5nm以上であってよい。
本発明の他の側面によれば、前記何れかに記載の水素センサーに水素を含有するターゲットガスとパージガスとを交互に切り替えて供給し、前記水素センサーからの出力信号から前記ターゲットガス中の水素濃度を測定する水素検出方法が与えられる。
また、前記出力信号に対して演算処理を行ってよい。
また、前記演算処理は時間微分であってよい。
また、前記時間微分された前記出力信号のピーク値に基づいて水素濃度を求める処理を行ってよい。
また、前記時間微分された前記出力信号のピーク値に基づいて水素濃度を求める処理は、更に前記時間微分された前記出力信号の前記ピーク値に続く信号波形に基づいて水素濃度を求める処理を含んでよい。
また、前記時間微分された前記出力信号の前記ピーク値に続く信号波形に基づいて水素濃度を求める処理は前記時間微分された前記出力信号のピーク値に基づいて選択的に行われてよい。
Claims (9)
- 膜型表面応力センサーの表面応力を受け取る表面に感応膜として膜厚が30nm以下の水素吸蔵材料の膜を設けた水素センサー。
- 前記水素吸蔵材料はパラジウム、マグネシウム、チタン、バナジウム、ジルコニウム、ランタン、鉄、ニッケル、タンタル、及び前記金属の二以上の合金からなる群から選択される、請求項1に記載の水素センサー。
- 前記感応膜の膜厚が5nm以上である、請求項1または2に記載の水素センサー。
- 請求項1から3の何れかに記載の水素センサーに水素を含有するターゲットガスとパージガスとを交互に切り替えて供給し、前記水素センサーからの出力信号から前記ターゲットガス中の水素濃度を測定する水素検出方法。
- 前記出力信号に対して演算処理を行う、請求項4に記載の水素検出方法。
- 前記演算処理は時間微分である、請求項5に記載の水素検出方法。
- 前記時間微分された前記出力信号のピーク値に基づいて水素濃度を求める処理を行う、請求項6に記載の水素検出方法。
- 前記時間微分された前記出力信号のピーク値に基づいて水素濃度を求める処理は、更に前記時間微分された前記出力信号の前記ピーク値に続く信号波形に基づいて水素濃度を求める処理を含む、請求項7に記載の水素検出方法。
- 前記時間微分された前記出力信号の前記ピーク値に続く信号波形に基づいて水素濃度を求める処理は前記時間微分された前記出力信号のピーク値に基づいて選択的に行われる、請求項8に記載の水素検出方法。
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020179400A1 (ja) | 2019-03-06 | 2020-09-10 | 国立研究開発法人物質・材料研究機構 | 水素センサー及び水素検出方法 |
CN112114005A (zh) * | 2019-06-21 | 2020-12-22 | 万腾荣有限公司 | 氢传感器及其生产方法、测量装置、和氢浓度的测量方法 |
WO2023210080A1 (ja) * | 2022-04-28 | 2023-11-02 | 国立研究開発法人物質・材料研究機構 | センサ出力信号の信号対雑音比を向上させる方法及び装置 |
US12038424B2 (en) | 2019-03-13 | 2024-07-16 | Asahi Kasei Kabushiki Kaisha | Gas sensor, component detection apparatus including gas sensor, inspection system including gas sensor, gas sensor inspection method, and gas sensor manufacturing method |
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Cited By (6)
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WO2020179400A1 (ja) | 2019-03-06 | 2020-09-10 | 国立研究開発法人物質・材料研究機構 | 水素センサー及び水素検出方法 |
US12038424B2 (en) | 2019-03-13 | 2024-07-16 | Asahi Kasei Kabushiki Kaisha | Gas sensor, component detection apparatus including gas sensor, inspection system including gas sensor, gas sensor inspection method, and gas sensor manufacturing method |
CN112114005A (zh) * | 2019-06-21 | 2020-12-22 | 万腾荣有限公司 | 氢传感器及其生产方法、测量装置、和氢浓度的测量方法 |
JP2021001881A (ja) * | 2019-06-21 | 2021-01-07 | マテリオン ゲーエムベーハー | 水素センサおよび水素センサの生産方法、測定デバイスならびに水素濃度を測定する方法 |
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WO2023210080A1 (ja) * | 2022-04-28 | 2023-11-02 | 国立研究開発法人物質・材料研究機構 | センサ出力信号の信号対雑音比を向上させる方法及び装置 |
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