CH508880A - Appareil pour détecter les vapeurs de liquides polaires, et procédé pour la fabrication de l'appareil - Google Patents
Appareil pour détecter les vapeurs de liquides polaires, et procédé pour la fabrication de l'appareilInfo
- Publication number
- CH508880A CH508880A CH274569A CH274569A CH508880A CH 508880 A CH508880 A CH 508880A CH 274569 A CH274569 A CH 274569A CH 274569 A CH274569 A CH 274569A CH 508880 A CH508880 A CH 508880A
- Authority
- CH
- Switzerland
- Prior art keywords
- manufacturing
- polar liquids
- detecting vapors
- vapors
- detecting
- Prior art date
Links
- 239000007788 liquid Substances 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
-
- 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
-
- 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
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
- G01N27/225—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity by using hygroscopic materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
- H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
- H01G7/025—Electrets, i.e. having a permanently-polarised dielectric having an inorganic dielectric
Landscapes
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pathology (AREA)
- Biochemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Inorganic Chemistry (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US70964268A | 1968-03-01 | 1968-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH508880A true CH508880A (fr) | 1971-06-15 |
Family
ID=24850741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH274569A CH508880A (fr) | 1968-03-01 | 1969-02-24 | Appareil pour détecter les vapeurs de liquides polaires, et procédé pour la fabrication de l'appareil |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE728659A (fr) |
| CH (1) | CH508880A (fr) |
| DE (2) | DE6908118U (fr) |
| FR (1) | FR2003030A1 (fr) |
| GB (1) | GB1243095A (fr) |
| LU (1) | LU58107A1 (fr) |
| NL (1) | NL6903203A (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2408218C3 (de) * | 1974-02-21 | 1983-11-03 | Ehlen, Karl Josef, Dr., 5000 Köln | Schaltungsanordnung zum Nachweis von Gasen |
| DE3024523A1 (de) * | 1980-06-28 | 1982-01-28 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Als elektrischer kondensator ausgebildeter feuchtigkeitssensor |
| GB8326982D0 (en) * | 1983-10-08 | 1983-11-09 | Plessey Co Plc | Atmospheric sensor |
| GB2181257B (en) * | 1983-10-08 | 1988-06-29 | Plessey Co Plc | A probe |
| CN1059962C (zh) * | 1998-05-26 | 2000-12-27 | 华南理工大学 | 一种可集成多功能湿光敏元件及其制造方法 |
-
1969
- 1969-02-19 BE BE728659D patent/BE728659A/xx unknown
- 1969-02-24 CH CH274569A patent/CH508880A/fr not_active IP Right Cessation
- 1969-02-27 LU LU58107D patent/LU58107A1/xx unknown
- 1969-02-27 GB GB1051769A patent/GB1243095A/en not_active Expired
- 1969-02-28 FR FR6905339A patent/FR2003030A1/fr not_active Withdrawn
- 1969-02-28 NL NL6903203A patent/NL6903203A/xx unknown
- 1969-02-28 DE DE19696908118 patent/DE6908118U/de not_active Expired
- 1969-02-28 DE DE19691910287 patent/DE1910287A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BE728659A (fr) | 1969-08-19 |
| DE6908118U (de) | 1969-12-11 |
| NL6903203A (fr) | 1969-09-03 |
| DE1910287A1 (de) | 1970-04-09 |
| FR2003030A1 (fr) | 1969-11-07 |
| GB1243095A (en) | 1971-08-18 |
| LU58107A1 (fr) | 1969-06-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |