CH639798A5 - Roentgenroehre mit einer elektronenkanone. - Google Patents
Roentgenroehre mit einer elektronenkanone. Download PDFInfo
- Publication number
- CH639798A5 CH639798A5 CH264579A CH264579A CH639798A5 CH 639798 A5 CH639798 A5 CH 639798A5 CH 264579 A CH264579 A CH 264579A CH 264579 A CH264579 A CH 264579A CH 639798 A5 CH639798 A5 CH 639798A5
- Authority
- CH
- Switzerland
- Prior art keywords
- cathode
- anode
- electrode
- electron
- potential
- Prior art date
Links
- 238000010894 electron beam technology Methods 0.000 description 29
- 238000007493 shaping process Methods 0.000 description 19
- 230000001133 acceleration Effects 0.000 description 6
- 238000009826 distribution Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000005686 electrostatic field Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002591 computed tomography Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- LCGWNWAVPULFIF-UHFFFAOYSA-N strontium barium(2+) oxygen(2-) Chemical compound [O--].[O--].[Sr++].[Ba++] LCGWNWAVPULFIF-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
- H01J35/06—Cathodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/14—Arrangements for concentrating, focusing, or directing the cathode ray
- H01J35/147—Spot size control
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/24—Tubes wherein the point of impact of the cathode ray on the anode or anticathode is movable relative to the surface thereof
- H01J35/26—Tubes wherein the point of impact of the cathode ray on the anode or anticathode is movable relative to the surface thereof by rotation of the anode or anticathode
Landscapes
- X-Ray Techniques (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782821597 DE2821597A1 (de) | 1978-05-17 | 1978-05-17 | Verwendung eines systems zur erzeugung eines elektronenflachstrahls mit rein elektrostatischer fokussierung in einer roentgenroehre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH639798A5 true CH639798A5 (de) | 1983-11-30 |
Family
ID=6039581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH264579A CH639798A5 (de) | 1978-05-17 | 1979-03-21 | Roentgenroehre mit einer elektronenkanone. |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS54150997A (enrdf_load_stackoverflow) |
| CH (1) | CH639798A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2821597A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2426331A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2021310B (enrdf_load_stackoverflow) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4493097A (en) * | 1982-08-30 | 1985-01-08 | The Perkin-Elmer Corporation | Electron gun assembly |
| IL70210A (en) * | 1982-11-23 | 1987-10-20 | Elscint Ltd | X-ray tube with adjustable focal spot |
| DE19700992C2 (de) * | 1997-01-14 | 1999-10-07 | Siemens Ag | Röntgenröhre |
| DE19731982C1 (de) * | 1997-07-24 | 1998-12-10 | Siemens Ag | Röntgenröhre mit Mitteln zur magnetischen Ablenkung |
| WO2000003412A1 (fr) * | 1998-07-09 | 2000-01-20 | Hamamatsu Photonics K.K. | Tube a rayons x |
| US7257194B2 (en) * | 2004-02-09 | 2007-08-14 | Varian Medical Systems Technologies, Inc. | Cathode head with focal spot control |
| US7653178B2 (en) | 2004-08-20 | 2010-01-26 | Satoshi Ohsawa | X-ray generating method, and X-ray generating apparatus |
| JP4273059B2 (ja) | 2004-08-20 | 2009-06-03 | 志村 尚美 | Ｘ線発生方法及びｘ線発生装置 |
| JP2009538500A (ja) * | 2006-05-22 | 2009-11-05 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 電子ビームが回転性陽極運動と同時に処理されるｘ線管 |
| JP2008140654A (ja) * | 2006-12-01 | 2008-06-19 | Shimadzu Corp | Ｘ線発生装置 |
| JP5614854B2 (ja) | 2012-03-27 | 2014-10-29 | 株式会社リガク | 電子銃、ｘ線発生装置及びｘ線測定装置 |
| DE102021204540B3 (de) | 2021-05-05 | 2022-09-29 | Siemens Healthcare Gmbh | Elektronenemittervorrichtung |
| DE102021204538A1 (de) | 2021-05-05 | 2022-05-12 | Siemens Healthcare Gmbh | Röntgenstrahlenquelle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1659133A (en) * | 1924-12-18 | 1928-02-14 | Gen Electric | X-ray device |
| DE1491461A1 (de) * | 1965-07-15 | 1969-05-14 | Siemens Ag | System zur Erzeugung eines Elektronenflachstrahls fuer eine Lauffeldroehre mit rein elektrostatischer Fokussierung |
| FR2188839A5 (enrdf_load_stackoverflow) * | 1972-06-08 | 1974-01-18 | Aquitaine Petrole | |
| DE2310061A1 (de) * | 1973-02-28 | 1974-08-29 | Siemens Ag | Roentgenroehre |
| GB1505741A (en) * | 1975-03-11 | 1978-03-30 | Standard Telephones Cables Ltd | X-ray lithography |
| FR2379158A1 (fr) * | 1977-01-28 | 1978-08-25 | Radiologie Cie Gle | Tube radiogene pour fournir un faisceau de rayons x plat en eventail de grande ouverture et appareil de radiologie comportant un tel tube |
-
1978
- 1978-05-17 DE DE19782821597 patent/DE2821597A1/de not_active Ceased
-
1979
- 1979-03-21 CH CH264579A patent/CH639798A5/de not_active IP Right Cessation
- 1979-05-11 GB GB7916397A patent/GB2021310B/en not_active Expired
- 1979-05-16 JP JP6024279A patent/JPS54150997A/ja active Granted
- 1979-05-16 FR FR7912429A patent/FR2426331A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB2021310B (en) | 1982-09-22 |
| FR2426331A1 (fr) | 1979-12-14 |
| JPS6138575B2 (enrdf_load_stackoverflow) | 1986-08-29 |
| FR2426331B1 (enrdf_load_stackoverflow) | 1983-06-03 |
| GB2021310A (en) | 1979-11-28 |
| DE2821597A1 (de) | 1979-11-22 |
| JPS54150997A (en) | 1979-11-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE19510048C2 (de) | Röntgenröhre | |
| DE112007003418T5 (de) | Elektronenkanone und Elektronenstrahlbelichtungsgerät | |
| DE2518688A1 (de) | Linsen-gitter-system fuer elektronenroehren | |
| CH639798A5 (de) | Roentgenroehre mit einer elektronenkanone. | |
| DE19927036C2 (de) | Elektronenkanone für eine Elektronenstrahl-Belichtungsvorrichtung | |
| EP1158562B1 (de) | Röntgenröhre mit Flachkathode | |
| DE2556694A1 (de) | Elektronenschleuder | |
| DE2811355C2 (de) | Elektrostatisches Elektronen-Linsensystem | |
| DE2210160C3 (de) | Elektronenstrahlerzeugersystem für Laufzeitröhren | |
| DE2516464C3 (de) | Kathodenstrahlröhre | |
| DE2341503A1 (de) | Elektronenstrahlroehre | |
| EP0036618B1 (de) | Hochstrom-Elektronenquelle | |
| EP0515352A1 (de) | Ionenquelle | |
| DE3854466T2 (de) | Elektronenkanonen für Kathodenstrahl-Röhren. | |
| DE2815478C2 (de) | Technisches Ladungsträgerstrahlgerät zur Materialbearbeitung | |
| EP3053182B1 (de) | Strahlungserzeugungsanlage | |
| DE3426623C2 (enrdf_load_stackoverflow) | ||
| DE3025886C2 (enrdf_load_stackoverflow) | ||
| DE2850583A1 (de) | Roentgenroehre mit zwei parallel nebeneinander angeordneten heizfaeden | |
| EP0141041B1 (de) | Röntgenlithographiegerät | |
| DE1162003B (de) | Einrichtung zur Erzeugung einer gebuendelten Stroemung von geladenen Teilchen | |
| DE2808119C2 (enrdf_load_stackoverflow) | ||
| DE2801538A1 (de) | Kathodenstrahlroehre | |
| DE1491461A1 (de) | System zur Erzeugung eines Elektronenflachstrahls fuer eine Lauffeldroehre mit rein elektrostatischer Fokussierung | |
| DE4104845C2 (de) | Elektronenstrahlerzeuger, insbesondere für eine Elektronenstrahlkanone |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |