CA1116247A - Plasma jet device and method of operating same - Google Patents
Plasma jet device and method of operating sameInfo
- Publication number
- CA1116247A CA1116247A CA319,571A CA319571A CA1116247A CA 1116247 A CA1116247 A CA 1116247A CA 319571 A CA319571 A CA 319571A CA 1116247 A CA1116247 A CA 1116247A
- Authority
- CA
- Canada
- Prior art keywords
- electrodes
- plasma jet
- electrode
- axes
- excitation zone
- 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
- 238000000034 method Methods 0.000 title claims description 12
- 230000005284 excitation Effects 0.000 claims abstract description 42
- 239000000523 sample Substances 0.000 claims description 30
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 16
- 229910052721 tungsten Inorganic materials 0.000 claims description 16
- 239000010937 tungsten Substances 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 229910002804 graphite Inorganic materials 0.000 claims description 12
- 239000010439 graphite Substances 0.000 claims description 12
- 239000000443 aerosol Substances 0.000 claims description 11
- 230000001154 acute effect Effects 0.000 claims description 10
- 238000001228 spectrum Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 230000006854 communication Effects 0.000 claims description 3
- 230000003595 spectral effect Effects 0.000 claims description 2
- 206010001497 Agitation Diseases 0.000 claims 1
- 230000002844 continuous effect Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 description 32
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 12
- 229910052786 argon Inorganic materials 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 5
- 239000006199 nebulizer Substances 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 239000012159 carrier gas Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000001687 destabilization Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004993 emission spectroscopy Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/71—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
- G01N21/73—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited using plasma burners or torches
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/42—Plasma torches using an arc with provisions for introducing materials into the plasma, e.g. powder or liquid
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/44—Plasma torches using an arc using more than one torch
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Biochemistry (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Electron Sources, Ion Sources (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/869,164 US4147957A (en) | 1978-01-13 | 1978-01-13 | Plasma jet device and method of operating same |
| US869,164 | 1986-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1116247A true CA1116247A (en) | 1982-01-12 |
Family
ID=25353045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA319,571A Expired CA1116247A (en) | 1978-01-13 | 1979-01-12 | Plasma jet device and method of operating same |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4147957A (en, 2012) |
| JP (1) | JPS5810694B2 (en, 2012) |
| CA (1) | CA1116247A (en, 2012) |
| DE (1) | DE2900715C2 (en, 2012) |
| FR (1) | FR2414843A1 (en, 2012) |
| GB (1) | GB2014413B (en, 2012) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4479075A (en) * | 1981-12-03 | 1984-10-23 | Elliott William G | Capacitatively coupled plasma device |
| JPS5967448A (ja) * | 1982-10-12 | 1984-04-17 | Power Reactor & Nuclear Fuel Dev Corp | 発光分光分析用直流プラズマジエツト装置 |
| US4579452A (en) * | 1984-01-13 | 1986-04-01 | The Coca-Cola Company | Plasma heat shield for spectrophotometer |
| US4575609A (en) * | 1984-03-06 | 1986-03-11 | The United States Of America As Represented By The United States Department Of Energy | Concentric micro-nebulizer for direct sample insertion |
| US4630924A (en) * | 1985-07-29 | 1986-12-23 | The Dow Chemical Company | Conical DC plasma emission source |
| FR2611132B1 (fr) * | 1987-02-19 | 1994-06-17 | Descartes Universite Rene | Bistouri a plasma |
| JP6923488B2 (ja) * | 2018-06-27 | 2021-08-18 | 日立グローバルライフソリューションズ株式会社 | 可撓性ホース及び電気掃除機 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3798408A (en) * | 1968-12-31 | 1974-03-19 | Anvar | Methods and devices for plasma production |
| US3596128A (en) * | 1969-05-01 | 1971-07-27 | Spectrametrics Inc | Excitation source for spectroscopic analysis |
| CA982662A (en) * | 1971-07-26 | 1976-01-27 | Charles Sheer | Methods and apparatus for energizing materials in an electric arc |
| US3931542A (en) * | 1973-06-28 | 1976-01-06 | Sheer-Korman Associates, Inc. | Method and apparatus for energizing materials in an electric arc |
| GB1493394A (en) * | 1974-06-07 | 1977-11-30 | Nat Res Dev | Plasma heater assembly |
| US4009413A (en) * | 1975-02-27 | 1977-02-22 | Spectrametrics, Incorporated | Plasma jet device and method of operating same |
-
1978
- 1978-01-13 US US05/869,164 patent/US4147957A/en not_active Expired - Lifetime
-
1979
- 1979-01-10 DE DE2900715A patent/DE2900715C2/de not_active Expired
- 1979-01-12 CA CA319,571A patent/CA1116247A/en not_active Expired
- 1979-01-12 GB GB7901290A patent/GB2014413B/en not_active Expired
- 1979-01-12 FR FR7900753A patent/FR2414843A1/fr active Granted
- 1979-01-12 JP JP54001377A patent/JPS5810694B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS54116993A (en) | 1979-09-11 |
| DE2900715C2 (de) | 1983-12-22 |
| US4147957A (en) | 1979-04-03 |
| FR2414843A1 (fr) | 1979-08-10 |
| DE2900715A1 (de) | 1979-07-19 |
| GB2014413B (en) | 1982-05-06 |
| JPS5810694B2 (ja) | 1983-02-26 |
| FR2414843B1 (en, 2012) | 1984-02-10 |
| GB2014413A (en) | 1979-08-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |