DE3504401C2 - - Google Patents
Info
- Publication number
- DE3504401C2 DE3504401C2 DE3504401A DE3504401A DE3504401C2 DE 3504401 C2 DE3504401 C2 DE 3504401C2 DE 3504401 A DE3504401 A DE 3504401A DE 3504401 A DE3504401 A DE 3504401A DE 3504401 C2 DE3504401 C2 DE 3504401C2
- Authority
- DE
- Germany
- Prior art keywords
- sensitive device
- fet
- moisture
- layer
- voltage
- 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
- 230000005669 field effect Effects 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 5
- 230000003993 interaction Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229910003480 inorganic solid Inorganic materials 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000007784 solid electrolyte Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 229920002678 cellulose Polymers 0.000 claims description 2
- 239000001913 cellulose Substances 0.000 claims description 2
- 238000003795 desorption Methods 0.000 claims description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 description 17
- 230000004888 barrier function Effects 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 230000008859 change Effects 0.000 description 8
- 239000000356 contaminant Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 229910052581 Si3N4 Inorganic materials 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 239000008186 active pharmaceutical agent Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229920002301 cellulose acetate Polymers 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 230000004807 localization Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000008707 rearrangement Effects 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005421 electrostatic potential Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 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
- G01N27/26—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
- G01N27/414—Ion-sensitive or chemical field-effect transistors, i.e. ISFETS or CHEMFETS
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59023598A JPS60168043A (ja) | 1984-02-10 | 1984-02-10 | Ｆｅｔ型センサ |
| JP59049673A JPS60194345A (ja) | 1984-03-14 | 1984-03-14 | 電界効果型センサの駆動方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3504401A1 DE3504401A1 (de) | 1985-08-29 |
| DE3504401C2 true DE3504401C2 (en, 2012) | 1988-03-24 |
Family
ID=26360986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19853504401 Granted DE3504401A1 (de) | 1984-02-10 | 1985-02-08 | Feldeffekttransistortyp-sensor und verfahren zu dessen betrieb |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4698657A (en, 2012) |
| DE (1) | DE3504401A1 (en, 2012) |
| GB (1) | GB2156150B (en, 2012) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4136779A1 (de) * | 1991-11-08 | 1993-05-13 | Bayer Ag | Vorrichtung zum simultanen nachweis verschiedener gaskomponenten |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60242354A (ja) * | 1984-05-16 | 1985-12-02 | Sharp Corp | Ｆｅｔ型センサ |
| GB8528794D0 (en) * | 1985-11-22 | 1985-12-24 | Emi Plc Thorn | Buffer compensation in enzyme |
| US5023133A (en) * | 1986-12-12 | 1991-06-11 | The Lubrizol Corporation | Acid sensor |
| US4791374A (en) * | 1986-12-12 | 1988-12-13 | The Lubrizol Corporation | Acid sensor |
| EP0363005B1 (en) * | 1988-09-02 | 1996-06-05 | Honda Giken Kogyo Kabushiki Kaisha | A semiconductor sensor |
| US5210450A (en) * | 1990-04-16 | 1993-05-11 | Tektronix, Inc. | Active selectable digital delay circuit |
| FR2672158B1 (fr) * | 1991-01-24 | 1993-04-09 | Commissariat Energie Atomique | Capteur pour la detection d'especes chimiques ou de photons utilisant un transistor a effet de champ. |
| JPH04373274A (ja) * | 1991-06-21 | 1992-12-25 | Sony Corp | Ｃｃｄ固体撮像素子 |
| DE4232564A1 (de) * | 1992-09-29 | 1994-12-15 | Ct Fuer Intelligente Sensorik | Schaltungsanordnung zur Messung von ionensensitiven Feldeffekttransistoren |
| US6556025B1 (en) * | 1997-12-05 | 2003-04-29 | University Of Waterloo | DC/low frequency sub-atto signal level measurement circuit |
| US6580600B2 (en) * | 2001-02-20 | 2003-06-17 | Nippon Soken, Inc. | Capacitance type humidity sensor and manufacturing method of the same |
| JP4575664B2 (ja) * | 2001-09-25 | 2010-11-04 | 独立行政法人科学技術振興機構 | 固体電解質を用いた電気素子 |
| DE10155930B4 (de) * | 2001-11-14 | 2020-09-24 | Nano Analytik Gmbh | Feldeffekttransistor-Sensor |
| WO2007017252A1 (de) * | 2005-08-08 | 2007-02-15 | Microgan Gmbh | Halbleitersensor mit grosser bandlücke und isolierender deckschicht |
| DE102012213429A1 (de) * | 2012-07-31 | 2014-02-06 | Robert Bosch Gmbh | Verfahren und Steuergerät zum Messen eines Gasparameters mithilfe eines gassensitiven Feldeffekttransistors |
| CN103376283B (zh) * | 2013-07-22 | 2015-10-28 | 中国科学院苏州纳米技术与纳米仿生研究所 | 一种离子液体中痕量h2o的检测方法 |
| CN107004690B (zh) | 2015-11-12 | 2021-05-14 | 松下知识产权经营株式会社 | 光传感器 |
| CN107004691B (zh) | 2015-11-12 | 2022-02-11 | 松下知识产权经营株式会社 | 光检测装置 |
| EP3217167B1 (en) * | 2016-03-11 | 2018-05-16 | Honeywell International Inc. | Humidity sensors with transistor structures and piezoelectric layer |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4020830A (en) * | 1975-03-12 | 1977-05-03 | The University Of Utah | Selective chemical sensitive FET transducers |
| US4024560A (en) * | 1975-09-04 | 1977-05-17 | Westinghouse Electric Corporation | Pyroelectric-field effect electromagnetic radiation detector |
| US4180771A (en) * | 1977-12-02 | 1979-12-25 | Airco, Inc. | Chemical-sensitive field-effect transistor |
| US4322680A (en) * | 1980-03-03 | 1982-03-30 | University Of Utah Research Foundation | Chemically sensitive JFET transducer devices utilizing a blocking interface |
| US4397714A (en) * | 1980-06-16 | 1983-08-09 | University Of Utah | System for measuring the concentration of chemical substances |
| US4514263A (en) * | 1982-01-12 | 1985-04-30 | University Of Utah | Apparatus and method for measuring the concentration of components in fluids |
| US4411741A (en) * | 1982-01-12 | 1983-10-25 | University Of Utah | Apparatus and method for measuring the concentration of components in fluids |
| JPS59102154A (ja) * | 1982-12-06 | 1984-06-13 | Olympus Optical Co Ltd | 化学的感応素子 |
-
1985
- 1985-02-04 US US06/697,640 patent/US4698657A/en not_active Expired - Lifetime
- 1985-02-07 GB GB08503061A patent/GB2156150B/en not_active Expired
- 1985-02-08 DE DE19853504401 patent/DE3504401A1/de active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4136779A1 (de) * | 1991-11-08 | 1993-05-13 | Bayer Ag | Vorrichtung zum simultanen nachweis verschiedener gaskomponenten |
Also Published As
| Publication number | Publication date |
|---|---|
| US4698657A (en) | 1987-10-06 |
| GB2156150B (en) | 1988-05-05 |
| GB2156150A (en) | 1985-10-02 |
| DE3504401A1 (de) | 1985-08-29 |
| GB8503061D0 (en) | 1985-03-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8128 | New person/name/address of the agent |
Representative=s name: SOLF, A., DR.-ING., 8000 MUENCHEN ZAPF, C., DIPL.- |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |