CA1139022A - Electron accelerator - Google Patents
Electron acceleratorInfo
- Publication number
- CA1139022A CA1139022A CA000355217A CA355217A CA1139022A CA 1139022 A CA1139022 A CA 1139022A CA 000355217 A CA000355217 A CA 000355217A CA 355217 A CA355217 A CA 355217A CA 1139022 A CA1139022 A CA 1139022A
- Authority
- CA
- Canada
- Prior art keywords
- electron
- target
- absorber
- filter plate
- compensation body
- 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
- 239000006096 absorbing agent Substances 0.000 claims abstract description 32
- 230000001133 acceleration Effects 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000010894 electron beam technology Methods 0.000 claims abstract description 9
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 5
- 238000010521 absorption reaction Methods 0.000 claims description 10
- 241001663154 Electron Species 0.000 claims description 5
- 230000000873 masking effect Effects 0.000 claims description 5
- 230000005855 radiation Effects 0.000 abstract description 14
- 238000001959 radiotherapy Methods 0.000 abstract description 2
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052770 Uranium Inorganic materials 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 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
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
- G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
- G21K1/10—Scattering devices; Absorbing devices; Ionising radiation filters
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Particle Accelerators (AREA)
- Radiation-Therapy Devices (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP2926883.5 | 1979-07-03 | ||
| DE2926883A DE2926883A1 (de) | 1979-07-03 | 1979-07-03 | Elektronenbeschleuniger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1139022A true CA1139022A (en) | 1983-01-04 |
Family
ID=6074828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000355217A Expired CA1139022A (en) | 1979-07-03 | 1980-07-02 | Electron accelerator |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4300055A (enExample) |
| EP (1) | EP0021441B1 (enExample) |
| JP (1) | JPS5614199A (enExample) |
| CA (1) | CA1139022A (enExample) |
| DE (2) | DE2926883A1 (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3138731A1 (de) * | 1981-09-29 | 1983-04-07 | Siemens AG, 1000 Berlin und 8000 München | Ueberwachungsanordnung fuer die beschleunigungsenergie eines elektronenbeschleunigers |
| FR2558327B1 (fr) * | 1984-01-17 | 1986-04-25 | Cgr Mev | Accelerateur de particules multiregimes |
| NL9000896A (nl) * | 1990-04-17 | 1991-11-18 | Philips Nv | Roentgenstraling absorberend filter. |
| FR2728472B1 (fr) * | 1994-12-27 | 1997-03-28 | Ge Medical Syst Sa | Appareil de radiotherapie utilisant un accelerateur lineaire d'electrons a tres haute frequence et des moyens de protection hors champ utile |
| WO2001007940A1 (en) | 1999-07-21 | 2001-02-01 | Jmar Research, Inc. | High collection angle short wavelength radiation collimator and focusing optic |
| JP2003528333A (ja) * | 1999-07-21 | 2003-09-24 | ジェイ エム エー アール テクノロジー、インク | コリメータ及びフォーカス光学系 |
| RU2245588C2 (ru) * | 2003-02-14 | 2005-01-27 | Белугин Владимир Михайлович | Источник проникающего излучения |
| CN1822239B (zh) * | 2005-02-17 | 2010-06-23 | Ge医疗系统环球技术有限公司 | 滤波器和x射线成像设备 |
| US7483518B2 (en) * | 2006-09-12 | 2009-01-27 | Siemens Medical Solutions Usa, Inc. | Apparatus and method for rapidly switching the energy spectrum of diagnostic X-ray beams |
| CN101303909B (zh) * | 2007-05-11 | 2013-03-27 | Ge医疗系统环球技术有限公司 | 滤波器单元,x射线管单元和x射线成像系统 |
| FR2926924B1 (fr) * | 2008-01-25 | 2012-10-12 | Thales Sa | Source radiogene comprenant au moins une source d'electrons associee a un dispositif photoelectrique de commande |
| CN101658429A (zh) * | 2008-08-29 | 2010-03-03 | Ge医疗系统环球技术有限公司 | X光散射线阻挡叶片的调节装置 |
| CN101853710B (zh) * | 2009-03-31 | 2014-11-19 | Ge医疗系统环球技术有限公司 | 滤波器及利用该滤波器的x射线成像设备 |
| US20140264065A1 (en) * | 2013-03-15 | 2014-09-18 | Varian Medical Systems, Inc. | Energy degrader for radiation therapy system |
| GB201414393D0 (en) | 2014-08-13 | 2014-09-24 | Nikon Metrology Nv | Z-ray beam collimator |
| DE102018112054B4 (de) * | 2018-05-18 | 2023-02-09 | Yxlon International Gmbh | Röntgenröhre mit Kollimator und Kollimatorvorrichtung für geschlossene Röntgenröhre |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB818182A (en) * | 1955-05-18 | 1959-08-12 | Gen Electric | Improvements in targets for x-ray tubes |
| CA1007767A (en) * | 1973-09-04 | 1977-03-29 | Machlett Laboratories | Broad aperture x-ray generator |
| CA1003892A (en) * | 1974-12-18 | 1977-01-18 | Stanley O. Schriber | Layered, multi-element electron-bremsstrahlung photon converter target |
| US4121109A (en) * | 1977-04-13 | 1978-10-17 | Applied Radiation Corporation | Electron accelerator with a target exposed to the electron beam |
| CA1102018A (en) * | 1978-01-09 | 1981-05-26 | Philip Mchugh | Unitary self shielded, self filtered and flattened bremsstrahlung photon source assembly for radiotherapy use |
-
1979
- 1979-07-03 DE DE2926883A patent/DE2926883A1/de not_active Withdrawn
-
1980
- 1980-05-22 US US06/152,349 patent/US4300055A/en not_active Expired - Lifetime
- 1980-06-27 DE DE8080103661T patent/DE3070505D1/de not_active Expired
- 1980-06-27 EP EP80103661A patent/EP0021441B1/de not_active Expired
- 1980-07-02 CA CA000355217A patent/CA1139022A/en not_active Expired
- 1980-07-03 JP JP9119780A patent/JPS5614199A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4300055A (en) | 1981-11-10 |
| DE3070505D1 (en) | 1985-05-23 |
| EP0021441A3 (en) | 1981-01-14 |
| JPS6312280B2 (enExample) | 1988-03-18 |
| EP0021441A2 (de) | 1981-01-07 |
| EP0021441B1 (de) | 1985-04-17 |
| DE2926883A1 (de) | 1981-01-22 |
| JPS5614199A (en) | 1981-02-10 |
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| KR20150056806A (ko) | X선 방사를 발생시키기 위한 애노드를 갖는 디바이스 | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |