JP2008111669A5 - - Google Patents
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- Publication number
- JP2008111669A5 JP2008111669A5 JP2006293031A JP2006293031A JP2008111669A5 JP 2008111669 A5 JP2008111669 A5 JP 2008111669A5 JP 2006293031 A JP2006293031 A JP 2006293031A JP 2006293031 A JP2006293031 A JP 2006293031A JP 2008111669 A5 JP2008111669 A5 JP 2008111669A5
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- substrate
- electrodes
- relative dielectric
- dielectric constant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000007788 liquid Substances 0.000 claims 45
- 239000000758 substrate Substances 0.000 claims 21
- 230000001681 protective effect Effects 0.000 claims 14
- 239000011241 protective layer Substances 0.000 claims 4
- 239000000446 fuel Substances 0.000 claims 3
- 239000010705 motor oil Substances 0.000 claims 3
- 239000004065 semiconductor Substances 0.000 claims 3
- 230000006866 deterioration Effects 0.000 claims 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 1
- 229910052581 Si3N4 Inorganic materials 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 claims 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims 1
- 229910052814 silicon oxide Inorganic materials 0.000 claims 1
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006293031A JP4821560B2 (ja) | 2006-10-27 | 2006-10-27 | 液体性状センサ |
| US11/907,005 US7692432B2 (en) | 2006-10-27 | 2007-10-09 | Liquid property sensor |
| CN2007101668212A CN101169388B (zh) | 2006-10-27 | 2007-10-18 | 液体特性传感器 |
| DE102007050404A DE102007050404A1 (de) | 2006-10-27 | 2007-10-22 | Flüssigkeitseigenschaftssensor |
| BRPI0703895-0A BRPI0703895B1 (pt) | 2006-10-27 | 2007-10-26 | Sensor de propriedade de líquido |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006293031A JP4821560B2 (ja) | 2006-10-27 | 2006-10-27 | 液体性状センサ |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008111669A JP2008111669A (ja) | 2008-05-15 |
| JP2008111669A5 true JP2008111669A5 (enExample) | 2009-02-12 |
| JP4821560B2 JP4821560B2 (ja) | 2011-11-24 |
Family
ID=39265129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006293031A Expired - Fee Related JP4821560B2 (ja) | 2006-10-27 | 2006-10-27 | 液体性状センサ |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7692432B2 (enExample) |
| JP (1) | JP4821560B2 (enExample) |
| CN (1) | CN101169388B (enExample) |
| BR (1) | BRPI0703895B1 (enExample) |
| DE (1) | DE102007050404A1 (enExample) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009092633A (ja) * | 2007-10-12 | 2009-04-30 | Denso Corp | インピーダンスセンサ |
| US20090189618A1 (en) * | 2008-01-24 | 2009-07-30 | Hoey Michael F | Method, system, and apparatus for liquid monitoring, analysis, and identification |
| US8578761B2 (en) * | 2008-03-26 | 2013-11-12 | Denso Corporation | Concentration sensor device and concentration detecting method |
| CN101435836B (zh) * | 2008-12-17 | 2011-01-26 | 重庆大学 | 采用文氏桥振荡电路测量液体电导率的频率检测器 |
| DE102009054844A1 (de) * | 2009-12-17 | 2011-06-22 | Robert Bosch GmbH, 70469 | Vorrichtung zur Messung einer Zusammensetzung eines Kraftstoffgemischs |
| JP5488534B2 (ja) * | 2011-06-06 | 2014-05-14 | 株式会社デンソー | 湿度センサ及びその製造方法 |
| WO2014153547A1 (en) * | 2013-03-21 | 2014-09-25 | California Institute Of Technology | Integrated environmental sensors for harsh environment applications |
| WO2021241628A1 (ja) | 2020-05-29 | 2021-12-02 | 日本碍子株式会社 | 静電容量式センサ |
| CN113588720B (zh) * | 2021-08-03 | 2024-04-26 | 浙江博美泰克电子有限公司 | 汽车或工业类酒精和汽油混合比传感器 |
| WO2023149572A1 (ja) * | 2022-02-07 | 2023-08-10 | 日本碍子株式会社 | 導電率測定方法 |
| WO2023149571A1 (ja) * | 2022-02-07 | 2023-08-10 | 日本碍子株式会社 | 導電率測定方法 |
| JP7730930B2 (ja) * | 2022-02-07 | 2025-08-28 | 日本碍子株式会社 | 導電率センサおよび導電率測定方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH074599Y2 (ja) * | 1987-04-25 | 1995-02-01 | 株式会社堀場製作所 | シ−ト型誘電率測定用センサ− |
| EP0557327B1 (de) | 1990-11-16 | 1995-01-25 | Siemens Aktiengesellschaft | Messgerät zum bestimmen des alkoholgehaltes eines gemisches |
| JP3029482B2 (ja) * | 1991-05-28 | 2000-04-04 | 日本特殊陶業株式会社 | 静電容量型センサの製造方法 |
| JP3126872B2 (ja) * | 1994-05-12 | 2001-01-22 | 三菱電機株式会社 | 燃料の混合比率検知装置 |
| CN2294478Y (zh) * | 1997-03-11 | 1998-10-14 | 宁波凯悦电器有限公司 | 测定液体电介系数用的电容式传感器 |
| US6167761B1 (en) * | 1998-03-31 | 2001-01-02 | Hitachi, Ltd. And Hitachi Car Engineering Co., Ltd. | Capacitance type pressure sensor with capacitive elements actuated by a diaphragm |
| JP2002340830A (ja) | 2001-05-11 | 2002-11-27 | Mitsubishi Heavy Ind Ltd | 水素ガス検出装置及びその製造方法 |
| US6781388B2 (en) * | 2001-09-26 | 2004-08-24 | Delphi Technologies, Inc. | Liquid property sensor |
| JP3580547B2 (ja) * | 2002-09-30 | 2004-10-27 | 三井金属鉱業株式会社 | アルコール濃度検出装置およびそれを用いたアルコール濃度検出方法、ならびにアルコール濃度検出センサーの製造方法 |
| JP2005201670A (ja) | 2004-01-13 | 2005-07-28 | Mitsui Mining & Smelting Co Ltd | アルコール濃度センサ及びアルコール濃度測定装置 |
| JP2005257616A (ja) * | 2004-03-15 | 2005-09-22 | Matsushita Electric Ind Co Ltd | オイルセンサ |
| JP4229885B2 (ja) | 2004-08-18 | 2009-02-25 | 株式会社デンソー | 容量式物理量検出装置 |
| JP4566784B2 (ja) * | 2005-02-24 | 2010-10-20 | 株式会社デンソー | 湿度センサ装置 |
-
2006
- 2006-10-27 JP JP2006293031A patent/JP4821560B2/ja not_active Expired - Fee Related
-
2007
- 2007-10-09 US US11/907,005 patent/US7692432B2/en not_active Expired - Fee Related
- 2007-10-18 CN CN2007101668212A patent/CN101169388B/zh not_active Expired - Fee Related
- 2007-10-22 DE DE102007050404A patent/DE102007050404A1/de not_active Ceased
- 2007-10-26 BR BRPI0703895-0A patent/BRPI0703895B1/pt not_active IP Right Cessation
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