NO119034B - - Google Patents
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- Publication number
- NO119034B NO119034B NO3345/68A NO334568A NO119034B NO 119034 B NO119034 B NO 119034B NO 3345/68 A NO3345/68 A NO 3345/68A NO 334568 A NO334568 A NO 334568A NO 119034 B NO119034 B NO 119034B
- Authority
- NO
- Norway
- Prior art keywords
- sens
- current
- bridge
- wire
- gas
- Prior art date
Links
- 238000012546 transfer Methods 0.000 claims description 6
- 230000001419 dependent effect Effects 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 27
- 239000001307 helium Substances 0.000 description 14
- 229910052734 helium Inorganic materials 0.000 description 14
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 14
- 239000012159 carrier gas Substances 0.000 description 7
- 230000008901 benefit Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/62—Detectors specially adapted therefor
- G01N30/64—Electrical detectors
- G01N30/66—Thermal conductivity detectors
-
- 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
- G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
- G01N27/18—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested
- G01N27/185—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested using a catharometer
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pathology (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Measuring Volume Flow (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO3345/68A NO119034B (en, 2012) | 1968-08-28 | 1968-08-28 | |
| DE19691942205 DE1942205A1 (de) | 1968-08-28 | 1969-08-19 | Elektrische Brueckenschaltung zur Messung des Waermewegleitvermoegens der Umgebung eines Fuehlers |
| GB1252304D GB1252304A (en, 2012) | 1968-08-28 | 1969-08-22 | |
| US853664A US3616677A (en) | 1968-08-28 | 1969-08-28 | Electrical resistance bridge with a heat sensitive resistor for the measurement of the thermal dispersion within the ambience of the resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO3345/68A NO119034B (en, 2012) | 1968-08-28 | 1968-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO119034B true NO119034B (en, 2012) | 1970-03-16 |
Family
ID=19879546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO3345/68A NO119034B (en, 2012) | 1968-08-28 | 1968-08-28 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3616677A (en, 2012) |
| DE (1) | DE1942205A1 (en, 2012) |
| GB (1) | GB1252304A (en, 2012) |
| NO (1) | NO119034B (en, 2012) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3864959A (en) * | 1971-12-16 | 1975-02-11 | Pye Ltd | Thermal conductivity detector apparatus |
| LU76937A1 (en, 2012) * | 1977-03-11 | 1978-10-18 | ||
| US4741198A (en) * | 1986-10-06 | 1988-05-03 | Beckman Industrial Corporation | Thermal conductivity detector assembly |
| DE3711511C1 (de) * | 1987-04-04 | 1988-06-30 | Hartmann & Braun Ag | Verfahren zur Bestimmung der Gaskonzentrationen in einem Gasgemisch und Sensor zur Messung der Waermeleitfaehigkeit |
| DE4034962C1 (en) * | 1990-11-02 | 1992-06-04 | Rainer 8027 Neuried De Pippig | Quality control testing procedure for incandescent lamps - subjecting bulb to acceleration and measuring resultant change in resistance of filament |
| US5535614A (en) * | 1993-11-11 | 1996-07-16 | Nok Corporation | Thermal conductivity gas sensor for measuring fuel vapor content |
| US5831146A (en) * | 1996-05-09 | 1998-11-03 | Cts Corporation | Gas sensor with multiple exposed active elements |
| GB9612096D0 (en) * | 1996-06-10 | 1996-08-14 | Secr Defence | Temperature probe |
| US7080545B2 (en) * | 2002-10-17 | 2006-07-25 | Advanced Technology Materials, Inc. | Apparatus and process for sensing fluoro species in semiconductor processing systems |
| US20040163445A1 (en) * | 2002-10-17 | 2004-08-26 | Dimeo Frank | Apparatus and process for sensing fluoro species in semiconductor processing systems |
| SE0300848D0 (sv) * | 2003-03-26 | 2003-03-26 | Siemens Elema Ab | Acoustic Analysis of Gas Mixtures |
| US7191645B2 (en) * | 2003-08-14 | 2007-03-20 | Fluid Components International Llc | Dynamic mixed gas flowmeter |
| US20060211253A1 (en) * | 2005-03-16 | 2006-09-21 | Ing-Shin Chen | Method and apparatus for monitoring plasma conditions in an etching plasma processing facility |
| US7398681B2 (en) * | 2005-09-22 | 2008-07-15 | The Regents Of The University Of California | Gas sensor based on dynamic thermal conductivity and molecular velocity |
| JP4790405B2 (ja) * | 2005-12-16 | 2011-10-12 | 三菱電機株式会社 | 熱式流量センサ |
| CN102667465B (zh) * | 2009-11-25 | 2014-09-17 | 西门子公司 | 用于对气体样本进行气体色谱分析法分析的方法和装置 |
-
1968
- 1968-08-28 NO NO3345/68A patent/NO119034B/no unknown
-
1969
- 1969-08-19 DE DE19691942205 patent/DE1942205A1/de active Pending
- 1969-08-22 GB GB1252304D patent/GB1252304A/en not_active Expired
- 1969-08-28 US US853664A patent/US3616677A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE1942205A1 (de) | 1970-05-27 |
| GB1252304A (en, 2012) | 1971-11-03 |
| US3616677A (en) | 1971-11-02 |
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