DE10317612B4 - Röntgenstrahlquelle mit einer Katode mit gekrümmter Emissionsoberfläche, Bilddarstellungssystem und Abbildungsverfahren - Google Patents
Röntgenstrahlquelle mit einer Katode mit gekrümmter Emissionsoberfläche, Bilddarstellungssystem und Abbildungsverfahren Download PDFInfo
- Publication number
- DE10317612B4 DE10317612B4 DE10317612A DE10317612A DE10317612B4 DE 10317612 B4 DE10317612 B4 DE 10317612B4 DE 10317612 A DE10317612 A DE 10317612A DE 10317612 A DE10317612 A DE 10317612A DE 10317612 B4 DE10317612 B4 DE 10317612B4
- Authority
- DE
- Germany
- Prior art keywords
- anode
- ray
- electrons
- emission
- ray source
- 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
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Images
Classifications
-
- 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
-
- 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
- H01J35/065—Field emission, photo emission or secondary emission cathodes
Landscapes
- X-Ray Techniques (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/124864 | 2002-04-17 | ||
| US10/124,864 US6760407B2 (en) | 2002-04-17 | 2002-04-17 | X-ray source and method having cathode with curved emission surface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE10317612A1 DE10317612A1 (de) | 2003-11-27 |
| DE10317612B4 true DE10317612B4 (de) | 2012-10-11 |
Family
ID=29214667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE10317612A Expired - Fee Related DE10317612B4 (de) | 2002-04-17 | 2003-04-16 | Röntgenstrahlquelle mit einer Katode mit gekrümmter Emissionsoberfläche, Bilddarstellungssystem und Abbildungsverfahren |
Country Status (3)
| Country | Link |
|---|---|
| US (2) | US6760407B2 (enExample) |
| JP (1) | JP4303513B2 (enExample) |
| DE (1) | DE10317612B4 (enExample) |
Families Citing this family (94)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7082182B2 (en) * | 2000-10-06 | 2006-07-25 | The University Of North Carolina At Chapel Hill | Computed tomography system for imaging of human and small animal |
| US7826595B2 (en) * | 2000-10-06 | 2010-11-02 | The University Of North Carolina | Micro-focus field emission x-ray sources and related methods |
| US7227924B2 (en) * | 2000-10-06 | 2007-06-05 | The University Of North Carolina At Chapel Hill | Computed tomography scanning system and method using a field emission x-ray source |
| US7085351B2 (en) * | 2000-10-06 | 2006-08-01 | University Of North Carolina At Chapel Hill | Method and apparatus for controlling electron beam current |
| US20040213378A1 (en) * | 2003-04-24 | 2004-10-28 | The University Of North Carolina At Chapel Hill | Computed tomography system for imaging of human and small animal |
| US6876724B2 (en) * | 2000-10-06 | 2005-04-05 | The University Of North Carolina - Chapel Hill | Large-area individually addressable multi-beam x-ray system and method of forming same |
| US6980627B2 (en) | 2000-10-06 | 2005-12-27 | Xintek, Inc. | Devices and methods for producing multiple x-ray beams from multiple locations |
| US6888922B2 (en) * | 2001-10-18 | 2005-05-03 | Ge Medical Systems Global Technology Co., Llc | Filament circuit resistance adjusting apparatus technical field |
| US6760407B2 (en) * | 2002-04-17 | 2004-07-06 | Ge Medical Global Technology Company, Llc | X-ray source and method having cathode with curved emission surface |
| US8275091B2 (en) | 2002-07-23 | 2012-09-25 | Rapiscan Systems, Inc. | Compact mobile cargo scanning system |
| US7963695B2 (en) | 2002-07-23 | 2011-06-21 | Rapiscan Systems, Inc. | Rotatable boom cargo scanning system |
| US7447298B2 (en) * | 2003-04-01 | 2008-11-04 | Cabot Microelectronics Corporation | Decontamination and sterilization system using large area x-ray source |
| GB0812864D0 (en) | 2008-07-15 | 2008-08-20 | Cxr Ltd | Coolign anode |
| GB0309383D0 (en) * | 2003-04-25 | 2003-06-04 | Cxr Ltd | X-ray tube electron sources |
| US9208988B2 (en) | 2005-10-25 | 2015-12-08 | Rapiscan Systems, Inc. | Graphite backscattered electron shield for use in an X-ray tube |
| GB0525593D0 (en) | 2005-12-16 | 2006-01-25 | Cxr Ltd | X-ray tomography inspection systems |
| US9113839B2 (en) | 2003-04-25 | 2015-08-25 | Rapiscon Systems, Inc. | X-ray inspection system and method |
| US10483077B2 (en) | 2003-04-25 | 2019-11-19 | Rapiscan Systems, Inc. | X-ray sources having reduced electron scattering |
| GB0309379D0 (en) * | 2003-04-25 | 2003-06-04 | Cxr Ltd | X-ray scanning |
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| US7245692B2 (en) * | 2005-04-25 | 2007-07-17 | The University Of North Carolina At Chapel Hill | X-ray imaging systems and methods using temporal digital signal processing for reducing noise and for obtaining multiple images simultaneously |
| US7123689B1 (en) * | 2005-06-30 | 2006-10-17 | General Electric Company | Field emitter X-ray source and system and method thereof |
| US7576481B2 (en) * | 2005-06-30 | 2009-08-18 | General Electric Co. | High voltage stable cathode for x-ray tube |
| DE102005049601A1 (de) * | 2005-09-28 | 2007-03-29 | Siemens Ag | Vorrichtung zur Erzeugung von Röntgenstrahlung mit einer kalten Elektronenquelle |
| US9046465B2 (en) | 2011-02-24 | 2015-06-02 | Rapiscan Systems, Inc. | Optimization of the source firing pattern for X-ray scanning systems |
| US20070133747A1 (en) * | 2005-12-08 | 2007-06-14 | General Electric Company | System and method for imaging using distributed X-ray sources |
| JP5451078B2 (ja) * | 2006-02-02 | 2014-03-26 | コーニンクレッカ フィリップス エヌ ヴェ | 分散x線源を用いるイメージング装置及びその方法 |
| EP2008293A1 (en) * | 2006-04-07 | 2008-12-31 | Philips Intellectual Property & Standards GmbH | Dual spectrum x-ray tube with switched focal spots and filter |
| US20070269018A1 (en) * | 2006-05-03 | 2007-11-22 | Geoffrey Harding | Systems and methods for generating a diffraction profile |
| US8189893B2 (en) | 2006-05-19 | 2012-05-29 | The University Of North Carolina At Chapel Hill | Methods, systems, and computer program products for binary multiplexing x-ray radiography |
| JP4914655B2 (ja) * | 2006-06-26 | 2012-04-11 | オリンパス株式会社 | 顕微鏡構成ユニット、該顕微鏡構成ユニットよりなる顕微鏡システム、及び顕微鏡システムを構築する顕微鏡構成ユニットの相対的接続関係取得方法 |
| CN101842052B (zh) * | 2007-07-19 | 2013-11-20 | 北卡罗来纳大学查珀尔希尔分校 | 固定x射线数字化乳房断层合成系统和相关方法 |
| US7809114B2 (en) * | 2008-01-21 | 2010-10-05 | General Electric Company | Field emitter based electron source for multiple spot X-ray |
| US7826594B2 (en) * | 2008-01-21 | 2010-11-02 | General Electric Company | Virtual matrix control scheme for multiple spot X-ray source |
| GB0803644D0 (en) | 2008-02-28 | 2008-04-02 | Rapiscan Security Products Inc | Scanning systems |
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| EP2285286A2 (en) * | 2008-05-09 | 2011-02-23 | Philips Intellectual Property & Standards GmbH | X-Ray Examination System with Integrated Actuator Means for Performing Translational and/or Rotational Disuplacement Movements of at Least One X-Radiation Emitting Anode's Focal Spot Relative to a Stationary Reference Position and Means for Compensating Resulting Parallel and/or Angular Shifts of the Emitted X-Ray Beams |
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| JP5801286B2 (ja) * | 2009-05-12 | 2015-10-28 | コーニンクレッカ フィリップス エヌ ヴェ | X線ソース及びx線生成方法 |
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| KR102076380B1 (ko) * | 2012-03-16 | 2020-02-11 | 나녹스 이미징 피엘씨 | 전자 방출 구조체를 갖는 장치 |
| JP6139655B2 (ja) * | 2012-03-19 | 2017-05-31 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 平面観測と立体観測との間での漸進的遷移のための漸進的x線焦点スポット移動 |
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| CN105793952B (zh) | 2013-11-27 | 2018-12-11 | 纳欧克斯影像有限公司 | 以耐离子轰击配置的电子发射结构 |
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| US10991539B2 (en) * | 2016-03-31 | 2021-04-27 | Nano-X Imaging Ltd. | X-ray tube and a conditioning method thereof |
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| US11152130B2 (en) * | 2016-08-16 | 2021-10-19 | Massachusetts Institute Of Technology | Nanoscale X-ray tomosynthesis for rapid analysis of integrated circuit (IC) dies |
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| CN111107788B (zh) * | 2017-07-26 | 2023-12-19 | 深圳帧观德芯科技有限公司 | 具有空间扩展性x射线源的x射线成像系统 |
| EP3804472B1 (en) * | 2018-05-25 | 2025-04-02 | Micro-X Limited | A device and method for applying beamforming signal processing to rf modulated x-rays |
| JP7282334B2 (ja) | 2018-10-26 | 2023-05-29 | サラウンド メディカル システムズ インコーポレイテッド | 交換可能なコリメータを備えた口腔内トモシンセシスx線撮影装置、システム、及び方法 |
| US11437218B2 (en) | 2019-11-14 | 2022-09-06 | Massachusetts Institute Of Technology | Apparatus and method for nanoscale X-ray imaging |
| EP3933881A1 (en) | 2020-06-30 | 2022-01-05 | VEC Imaging GmbH & Co. KG | X-ray source with multiple grids |
| US12274577B2 (en) | 2022-04-11 | 2025-04-15 | GE Precision Healthcare LLC | Systems and methods for computed tomography |
| US12230468B2 (en) | 2022-06-30 | 2025-02-18 | Varex Imaging Corporation | X-ray system with field emitters and arc protection |
| CN117612912A (zh) * | 2024-01-22 | 2024-02-27 | 电子科技大学 | 一种用于微焦点x射线管的两次聚焦冷阴极电子枪 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4012656A (en) * | 1974-12-09 | 1977-03-15 | Norman Ralph L | X-ray tube |
| US4289969A (en) * | 1978-07-10 | 1981-09-15 | Butler Greenwich Inc. | Radiation imaging apparatus |
| US6297592B1 (en) * | 2000-08-04 | 2001-10-02 | Lucent Technologies Inc. | Microwave vacuum tube device employing grid-modulated cold cathode source having nanotube emitters |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5750968A (en) * | 1995-06-30 | 1998-05-12 | Lambda Technologies, Inc. | System and apparatus for reducing arcing and localized heating during microwave processing |
| US6333968B1 (en) * | 2000-05-05 | 2001-12-25 | The United States Of America As Represented By The Secretary Of The Navy | Transmission cathode for X-ray production |
| US6553096B1 (en) * | 2000-10-06 | 2003-04-22 | The University Of North Carolina Chapel Hill | X-ray generating mechanism using electron field emission cathode |
| US6760407B2 (en) * | 2002-04-17 | 2004-07-06 | Ge Medical Global Technology Company, Llc | X-ray source and method having cathode with curved emission surface |
-
2002
- 2002-04-17 US US10/124,864 patent/US6760407B2/en not_active Expired - Lifetime
-
2003
- 2003-04-16 DE DE10317612A patent/DE10317612B4/de not_active Expired - Fee Related
- 2003-04-16 JP JP2003110933A patent/JP4303513B2/ja not_active Expired - Fee Related
-
2004
- 2004-01-14 US US10/757,177 patent/US6912268B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4012656A (en) * | 1974-12-09 | 1977-03-15 | Norman Ralph L | X-ray tube |
| US4289969A (en) * | 1978-07-10 | 1981-09-15 | Butler Greenwich Inc. | Radiation imaging apparatus |
| US6297592B1 (en) * | 2000-08-04 | 2001-10-02 | Lucent Technologies Inc. | Microwave vacuum tube device employing grid-modulated cold cathode source having nanotube emitters |
Also Published As
| Publication number | Publication date |
|---|---|
| US6760407B2 (en) | 2004-07-06 |
| US20040146143A1 (en) | 2004-07-29 |
| JP2003331762A (ja) | 2003-11-21 |
| US20030198318A1 (en) | 2003-10-23 |
| JP4303513B2 (ja) | 2009-07-29 |
| DE10317612A1 (de) | 2003-11-27 |
| US6912268B2 (en) | 2005-06-28 |
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