GB2254185B - A surface discharge corona plasma cathode assembly - Google Patents
A surface discharge corona plasma cathode assemblyInfo
- Publication number
- GB2254185B GB2254185B GB9106352A GB9106352A GB2254185B GB 2254185 B GB2254185 B GB 2254185B GB 9106352 A GB9106352 A GB 9106352A GB 9106352 A GB9106352 A GB 9106352A GB 2254185 B GB2254185 B GB 2254185B
- Authority
- GB
- United Kingdom
- Prior art keywords
- cathode assembly
- surface discharge
- corona plasma
- plasma cathode
- discharge corona
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05G—X-RAY TECHNIQUE
- H05G2/00—Apparatus or processes specially adapted for producing X-rays, not involving X-ray tubes, e.g. involving generation of a plasma
- H05G2/001—Production of X-ray radiation generated from plasma
- H05G2/003—Production of X-ray radiation generated from plasma the plasma being generated from a material in a liquid or gas state
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
- H01J3/02—Electron guns
- H01J3/025—Electron guns using a discharge in a gas or a vapour as electron source
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/02—Constructional details
- H01S3/03—Constructional details of gas laser discharge tubes
- H01S3/038—Electrodes, e.g. special shape, configuration or composition
- H01S3/0385—Shape
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/02—Constructional details
- H01S3/03—Constructional details of gas laser discharge tubes
- H01S3/038—Electrodes, e.g. special shape, configuration or composition
- H01S3/0388—Compositions, materials or coatings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/097—Processes or apparatus for excitation, e.g. pumping by gas discharge of a gas laser
- H01S3/0971—Processes or apparatus for excitation, e.g. pumping by gas discharge of a gas laser transversely excited
- H01S3/09713—Processes or apparatus for excitation, e.g. pumping by gas discharge of a gas laser transversely excited with auxiliary ionisation, e.g. double discharge excitation
- H01S3/09716—Processes or apparatus for excitation, e.g. pumping by gas discharge of a gas laser transversely excited with auxiliary ionisation, e.g. double discharge excitation by ionising radiation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/02—Constructional details
- H01S3/03—Constructional details of gas laser discharge tubes
- H01S3/038—Electrodes, e.g. special shape, configuration or composition
- H01S3/0382—Cathodes or particular adaptations thereof
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Electron Sources, Ion Sources (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9106352A GB2254185B (en) | 1991-03-26 | 1991-03-26 | A surface discharge corona plasma cathode assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9106352A GB2254185B (en) | 1991-03-26 | 1991-03-26 | A surface discharge corona plasma cathode assembly |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9106352D0 GB9106352D0 (en) | 1991-05-15 |
GB2254185A GB2254185A (en) | 1992-09-30 |
GB2254185B true GB2254185B (en) | 1995-01-18 |
Family
ID=10692191
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9106352A Expired - Fee Related GB2254185B (en) | 1991-03-26 | 1991-03-26 | A surface discharge corona plasma cathode assembly |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2254185B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2260854B (en) * | 1991-10-22 | 1995-04-05 | British Aerospace | Surface discharge corona plasma cathode assembly |
WO1999035893A2 (en) * | 1998-01-08 | 1999-07-15 | The University Of Tennessee Research Corporation | Paraelectric gas flow accelerator |
US6406759B1 (en) | 1998-01-08 | 2002-06-18 | The University Of Tennessee Research Corporation | Remote exposure of workpieces using a recirculated plasma |
JP2006273670A (en) * | 2005-03-29 | 2006-10-12 | Ngk Insulators Ltd | Alumina tube |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4757524A (en) * | 1986-03-19 | 1988-07-12 | Northrop Corporation | X-ray generator |
EP0421648A2 (en) * | 1989-10-06 | 1991-04-10 | British Aerospace Public Limited Company | A surface discharge plasma cathode electron beam generating assembly |
-
1991
- 1991-03-26 GB GB9106352A patent/GB2254185B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4757524A (en) * | 1986-03-19 | 1988-07-12 | Northrop Corporation | X-ray generator |
EP0421648A2 (en) * | 1989-10-06 | 1991-04-10 | British Aerospace Public Limited Company | A surface discharge plasma cathode electron beam generating assembly |
Also Published As
Publication number | Publication date |
---|---|
GB2254185A (en) | 1992-09-30 |
GB9106352D0 (en) | 1991-05-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20010326 |