DE2641577C3 - Feuchteabhängiges Keramikwiderstandselement auf Metalloxidbasis - Google Patents
Feuchteabhängiges Keramikwiderstandselement auf MetalloxidbasisInfo
- Publication number
- DE2641577C3 DE2641577C3 DE2641577A DE2641577A DE2641577C3 DE 2641577 C3 DE2641577 C3 DE 2641577C3 DE 2641577 A DE2641577 A DE 2641577A DE 2641577 A DE2641577 A DE 2641577A DE 2641577 C3 DE2641577 C3 DE 2641577C3
- Authority
- DE
- Germany
- Prior art keywords
- deep
- moisture
- dependent
- resistance element
- ceramic
- 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.)
- Expired
Links
- 239000000919 ceramic Substances 0.000 title claims description 29
- 230000001419 dependent effect Effects 0.000 title claims description 18
- 229910044991 metal oxide Inorganic materials 0.000 title claims description 6
- 150000004706 metal oxides Chemical class 0.000 title claims description 6
- 229910052596 spinel Inorganic materials 0.000 claims description 5
- 239000011029 spinel Substances 0.000 claims description 5
- 239000007858 starting material Substances 0.000 claims description 5
- 229910000684 Cobalt-chrome Inorganic materials 0.000 claims description 2
- 229910000604 Ferrochrome Inorganic materials 0.000 claims description 2
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 claims description 2
- 239000010952 cobalt-chrome Substances 0.000 claims description 2
- 239000000470 constituent Substances 0.000 claims description 2
- 229910001120 nichrome Inorganic materials 0.000 claims description 2
- 229910007717 ZnSnO Inorganic materials 0.000 claims 1
- 230000000694 effects Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 239000000654 additive Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 1
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
- G01N27/121—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid for determining moisture content, e.g. humidity, of the fluid
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/06—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
- H01B1/08—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances oxides
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Non-Adjustable Resistors (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50113320A JPS5236791A (en) | 1975-09-18 | 1975-09-18 | Porcelain composition for himidity sensing resister |
| JP50118368A JPS5242296A (en) | 1975-09-30 | 1975-09-30 | Ceramic composition for moisture-sensitive resistor |
| JP50118369A JPS5242297A (en) | 1975-09-30 | 1975-09-30 | Ceramic composition for moisture-sensitive resistor |
| JP50118371A JPS5242299A (en) | 1975-09-30 | 1975-09-30 | Ceramic composition for moisture-sensitive resistor |
| JP50118370A JPS5242298A (en) | 1975-09-30 | 1975-09-30 | Ceramic composition for moisture-sensitive resistor |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2641577A1 DE2641577A1 (de) | 1977-04-07 |
| DE2641577B2 DE2641577B2 (de) | 1979-02-01 |
| DE2641577C3 true DE2641577C3 (de) | 1979-09-27 |
Family
ID=27526600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2641577A Expired DE2641577C3 (de) | 1975-09-18 | 1976-09-13 | Feuchteabhängiges Keramikwiderstandselement auf Metalloxidbasis |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4086556A (enExample) |
| CA (1) | CA1045249A (enExample) |
| DE (1) | DE2641577C3 (enExample) |
| FR (1) | FR2325161A1 (enExample) |
| GB (1) | GB1522870A (enExample) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5439197A (en) * | 1977-09-02 | 1979-03-26 | Shibaura Denshi Seisakushiyo K | Method of making gas detector |
| DE2821267A1 (de) * | 1978-05-16 | 1979-11-22 | Siemens Ag | Gassensoren und verfahren zu ihrer herstellung |
| US4263576A (en) * | 1978-07-10 | 1981-04-21 | Murata Manufacturing Co., Ltd. | Humidity sensitive device |
| GB2039370B (en) * | 1978-12-20 | 1983-03-02 | Sanyo Silicon Elect | Moisture-responsive resistor element |
| DE2966864D1 (en) * | 1978-12-26 | 1984-05-03 | Matsushita Electric Industrial Co Ltd | Humidity detecting apparatus using a humidity detecting resistor ceramic element |
| US4347495A (en) * | 1979-01-31 | 1982-08-31 | Rosemount Engineering Company Limited | Method of detecting oxygen and an oxygen sensor therefor |
| JPS5610244A (en) * | 1979-07-04 | 1981-02-02 | Matsushita Electric Ind Co Ltd | Temperature sensor controlling device |
| JPS602762B2 (ja) * | 1979-09-11 | 1985-01-23 | 株式会社村田製作所 | 湿度検出素子 |
| US4419021A (en) * | 1980-02-04 | 1983-12-06 | Matsushita Electric Industrial Co., Ltd. | Multi-functional sensing or measuring system |
| US4378691A (en) * | 1980-02-04 | 1983-04-05 | Matsushita Electric Industrial Co., Ltd. | Multi-functional sensor |
| US4321577A (en) * | 1980-02-25 | 1982-03-23 | General Electric Company | Integral humidity sensor/heater configurations |
| US4502321A (en) * | 1981-02-27 | 1985-03-05 | Capital Controls | Apparatus and method for measuring the concentration of gases |
| US4423407A (en) * | 1981-02-27 | 1983-12-27 | Dart Industries Inc. | Apparatus and method for measuring the concentration of gases |
| US4394297A (en) * | 1981-05-26 | 1983-07-19 | Phillips Petroleum Company | Zinc titanate catalyst |
| JPS5897801A (ja) * | 1981-12-07 | 1983-06-10 | 株式会社豊田中央研究所 | 感湿素子 |
| DE3375212D1 (en) * | 1982-02-12 | 1988-02-11 | Matsushita Electric Industrial Co Ltd | Humidity sensitive device |
| US4743881A (en) * | 1985-05-08 | 1988-05-10 | Motorola, Inc. | Ceramic temperature sensor |
| JPH03297101A (ja) * | 1990-02-28 | 1991-12-27 | Toshiba Corp | 電力用抵抗体及びその製造方法 |
| GB2305169A (en) * | 1995-09-14 | 1997-04-02 | Univ Napier | Solid oxide fuel cells |
| AU2020256373B2 (en) * | 2020-01-07 | 2021-05-06 | Nantong University | Humidity sensor chip having three-electrode structure |
| US12030787B2 (en) * | 2023-04-28 | 2024-07-09 | Mohd. Shkir | Process for synthesizing rare earth-doped cobalt-chromite pigments for capacitive and resistive humidity sensor applications |
| EP4473884A1 (en) | 2023-06-07 | 2024-12-11 | Versuni Holding B.V. | Detecting physical parameters |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL65136C (enExample) | 1943-05-07 | |||
| DE810999C (de) | 1944-03-29 | 1951-08-16 | Philips Nv | Gesinterter elektrischer Widerstand |
| DE869097C (de) | 1947-01-08 | 1953-03-02 | Philips Nv | Verfahren zur Herstellung eines halbleitenden Werkstoffs |
| US3255324A (en) | 1962-05-28 | 1966-06-07 | Energy Conversion Devices Inc | Moisture responsive resistance device |
| US3766098A (en) * | 1970-06-22 | 1973-10-16 | Matsushita Electric Industrial Co Ltd | Voltage nonlinear resistors |
| FR2241511B1 (enExample) * | 1973-07-13 | 1977-06-24 | Tokyo Shibaura Electric Co |
-
1976
- 1976-09-02 US US05/720,078 patent/US4086556A/en not_active Expired - Lifetime
- 1976-09-13 DE DE2641577A patent/DE2641577C3/de not_active Expired
- 1976-09-14 CA CA261,179A patent/CA1045249A/en not_active Expired
- 1976-09-15 FR FR7627745A patent/FR2325161A1/fr active Granted
- 1976-09-16 GB GB38437/76A patent/GB1522870A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2325161A1 (fr) | 1977-04-15 |
| GB1522870A (en) | 1978-08-31 |
| CA1045249A (en) | 1978-12-26 |
| US4086556A (en) | 1978-04-25 |
| DE2641577B2 (de) | 1979-02-01 |
| DE2641577A1 (de) | 1977-04-07 |
| FR2325161B1 (enExample) | 1981-06-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) |