JP4590479B2 - ビーム・エミッタンス増大を最小限にした電界エミッタ利用電子源 - Google Patents
ビーム・エミッタンス増大を最小限にした電界エミッタ利用電子源 Download PDFInfo
- Publication number
- JP4590479B2 JP4590479B2 JP2009069555A JP2009069555A JP4590479B2 JP 4590479 B2 JP4590479 B2 JP 4590479B2 JP 2009069555 A JP2009069555 A JP 2009069555A JP 2009069555 A JP2009069555 A JP 2009069555A JP 4590479 B2 JP4590479 B2 JP 4590479B2
- Authority
- JP
- Japan
- Prior art keywords
- electron beam
- ece
- electron
- emittance
- electrode
- 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.)
- Active
Links
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
- H01J35/065—Field emission, photo emission or secondary emission cathodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2235/00—X-ray tubes
- H01J2235/06—Cathode assembly
- H01J2235/062—Cold cathodes
Landscapes
- X-Ray Techniques (AREA)
- Cold Cathode And The Manufacture (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/055,536 US7801277B2 (en) | 2008-03-26 | 2008-03-26 | Field emitter based electron source with minimized beam emittance growth |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2009238750A JP2009238750A (ja) | 2009-10-15 |
| JP2009238750A5 JP2009238750A5 (enExample) | 2010-08-19 |
| JP4590479B2 true JP4590479B2 (ja) | 2010-12-01 |
Family
ID=41011323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009069555A Active JP4590479B2 (ja) | 2008-03-26 | 2009-03-23 | ビーム・エミッタンス増大を最小限にした電界エミッタ利用電子源 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7801277B2 (enExample) |
| JP (1) | JP4590479B2 (enExample) |
| DE (1) | DE102009003673B4 (enExample) |
Families Citing this family (122)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8907309B2 (en) | 2009-04-17 | 2014-12-09 | Stephen L. Spotts | Treatment delivery control system and method of operation thereof |
| US8089054B2 (en) * | 2008-05-22 | 2012-01-03 | Vladimir Balakin | Charged particle beam acceleration and extraction method and apparatus used in conjunction with a charged particle cancer therapy system |
| US8436327B2 (en) | 2008-05-22 | 2013-05-07 | Vladimir Balakin | Multi-field charged particle cancer therapy method and apparatus |
| US8129694B2 (en) | 2008-05-22 | 2012-03-06 | Vladimir Balakin | Negative ion beam source vacuum method and apparatus used in conjunction with a charged particle cancer therapy system |
| US10070831B2 (en) | 2008-05-22 | 2018-09-11 | James P. Bennett | Integrated cancer therapy—imaging apparatus and method of use thereof |
| US9155911B1 (en) | 2008-05-22 | 2015-10-13 | Vladimir Balakin | Ion source method and apparatus used in conjunction with a charged particle cancer therapy system |
| US9616252B2 (en) | 2008-05-22 | 2017-04-11 | Vladimir Balakin | Multi-field cancer therapy apparatus and method of use thereof |
| US8399866B2 (en) | 2008-05-22 | 2013-03-19 | Vladimir Balakin | Charged particle extraction apparatus and method of use thereof |
| US8975600B2 (en) | 2008-05-22 | 2015-03-10 | Vladimir Balakin | Treatment delivery control system and method of operation thereof |
| CN102119586B (zh) | 2008-05-22 | 2015-09-02 | 弗拉迪米尔·叶戈罗维奇·巴拉金 | 多场带电粒子癌症治疗方法和装置 |
| US9737734B2 (en) | 2008-05-22 | 2017-08-22 | Susan L. Michaud | Charged particle translation slide control apparatus and method of use thereof |
| US9058910B2 (en) | 2008-05-22 | 2015-06-16 | Vladimir Yegorovich Balakin | Charged particle beam acceleration method and apparatus as part of a charged particle cancer therapy system |
| US10684380B2 (en) | 2008-05-22 | 2020-06-16 | W. Davis Lee | Multiple scintillation detector array imaging apparatus and method of use thereof |
| US9498649B2 (en) | 2008-05-22 | 2016-11-22 | Vladimir Balakin | Charged particle cancer therapy patient constraint apparatus and method of use thereof |
| US10143854B2 (en) | 2008-05-22 | 2018-12-04 | Susan L. Michaud | Dual rotation charged particle imaging / treatment apparatus and method of use thereof |
| US8373143B2 (en) | 2008-05-22 | 2013-02-12 | Vladimir Balakin | Patient immobilization and repositioning method and apparatus used in conjunction with charged particle cancer therapy |
| US9579525B2 (en) | 2008-05-22 | 2017-02-28 | Vladimir Balakin | Multi-axis charged particle cancer therapy method and apparatus |
| US8374314B2 (en) | 2008-05-22 | 2013-02-12 | Vladimir Balakin | Synchronized X-ray / breathing method and apparatus used in conjunction with a charged particle cancer therapy system |
| US8598543B2 (en) | 2008-05-22 | 2013-12-03 | Vladimir Balakin | Multi-axis/multi-field charged particle cancer therapy method and apparatus |
| US9937362B2 (en) | 2008-05-22 | 2018-04-10 | W. Davis Lee | Dynamic energy control of a charged particle imaging/treatment apparatus and method of use thereof |
| US8569717B2 (en) | 2008-05-22 | 2013-10-29 | Vladimir Balakin | Intensity modulated three-dimensional radiation scanning method and apparatus |
| US8093564B2 (en) | 2008-05-22 | 2012-01-10 | Vladimir Balakin | Ion beam focusing lens method and apparatus used in conjunction with a charged particle cancer therapy system |
| US9056199B2 (en) | 2008-05-22 | 2015-06-16 | Vladimir Balakin | Charged particle treatment, rapid patient positioning apparatus and method of use thereof |
| US8841866B2 (en) | 2008-05-22 | 2014-09-23 | Vladimir Yegorovich Balakin | Charged particle beam extraction method and apparatus used in conjunction with a charged particle cancer therapy system |
| US8901509B2 (en) | 2008-05-22 | 2014-12-02 | Vladimir Yegorovich Balakin | Multi-axis charged particle cancer therapy method and apparatus |
| WO2009142544A2 (en) | 2008-05-22 | 2009-11-26 | Vladimir Yegorovich Balakin | Charged particle cancer therapy beam path control method and apparatus |
| US8378311B2 (en) | 2008-05-22 | 2013-02-19 | Vladimir Balakin | Synchrotron power cycling apparatus and method of use thereof |
| US8288742B2 (en) | 2008-05-22 | 2012-10-16 | Vladimir Balakin | Charged particle cancer therapy patient positioning method and apparatus |
| US8969834B2 (en) | 2008-05-22 | 2015-03-03 | Vladimir Balakin | Charged particle therapy patient constraint apparatus and method of use thereof |
| US9168392B1 (en) | 2008-05-22 | 2015-10-27 | Vladimir Balakin | Charged particle cancer therapy system X-ray apparatus and method of use thereof |
| US9682254B2 (en) | 2008-05-22 | 2017-06-20 | Vladimir Balakin | Cancer surface searing apparatus and method of use thereof |
| US9782140B2 (en) | 2008-05-22 | 2017-10-10 | Susan L. Michaud | Hybrid charged particle / X-ray-imaging / treatment apparatus and method of use thereof |
| US8144832B2 (en) | 2008-05-22 | 2012-03-27 | Vladimir Balakin | X-ray tomography method and apparatus used in conjunction with a charged particle cancer therapy system |
| US8045679B2 (en) * | 2008-05-22 | 2011-10-25 | Vladimir Balakin | Charged particle cancer therapy X-ray method and apparatus |
| US9737272B2 (en) | 2008-05-22 | 2017-08-22 | W. Davis Lee | Charged particle cancer therapy beam state determination apparatus and method of use thereof |
| US8309941B2 (en) | 2008-05-22 | 2012-11-13 | Vladimir Balakin | Charged particle cancer therapy and patient breath monitoring method and apparatus |
| US10092776B2 (en) | 2008-05-22 | 2018-10-09 | Susan L. Michaud | Integrated translation/rotation charged particle imaging/treatment apparatus and method of use thereof |
| US8637833B2 (en) | 2008-05-22 | 2014-01-28 | Vladimir Balakin | Synchrotron power supply apparatus and method of use thereof |
| US9910166B2 (en) | 2008-05-22 | 2018-03-06 | Stephen L. Spotts | Redundant charged particle state determination apparatus and method of use thereof |
| US9855444B2 (en) | 2008-05-22 | 2018-01-02 | Scott Penfold | X-ray detector for proton transit detection apparatus and method of use thereof |
| US9095040B2 (en) | 2008-05-22 | 2015-07-28 | Vladimir Balakin | Charged particle beam acceleration and extraction method and apparatus used in conjunction with a charged particle cancer therapy system |
| US9737733B2 (en) | 2008-05-22 | 2017-08-22 | W. Davis Lee | Charged particle state determination apparatus and method of use thereof |
| US8642978B2 (en) | 2008-05-22 | 2014-02-04 | Vladimir Balakin | Charged particle cancer therapy dose distribution method and apparatus |
| US9044600B2 (en) | 2008-05-22 | 2015-06-02 | Vladimir Balakin | Proton tomography apparatus and method of operation therefor |
| CA2725315C (en) | 2008-05-22 | 2015-06-30 | Vladimir Yegorovich Balakin | X-ray method and apparatus used in conjunction with a charged particle cancer therapy system |
| US8373146B2 (en) | 2008-05-22 | 2013-02-12 | Vladimir Balakin | RF accelerator method and apparatus used in conjunction with a charged particle cancer therapy system |
| US10029122B2 (en) | 2008-05-22 | 2018-07-24 | Susan L. Michaud | Charged particle—patient motion control system apparatus and method of use thereof |
| US8178859B2 (en) | 2008-05-22 | 2012-05-15 | Vladimir Balakin | Proton beam positioning verification method and apparatus used in conjunction with a charged particle cancer therapy system |
| US9744380B2 (en) | 2008-05-22 | 2017-08-29 | Susan L. Michaud | Patient specific beam control assembly of a cancer therapy apparatus and method of use thereof |
| US7953205B2 (en) * | 2008-05-22 | 2011-05-31 | Vladimir Balakin | Synchronized X-ray / breathing method and apparatus used in conjunction with a charged particle cancer therapy system |
| US8519365B2 (en) | 2008-05-22 | 2013-08-27 | Vladimir Balakin | Charged particle cancer therapy imaging method and apparatus |
| US8198607B2 (en) | 2008-05-22 | 2012-06-12 | Vladimir Balakin | Tandem accelerator method and apparatus used in conjunction with a charged particle cancer therapy system |
| US8624528B2 (en) | 2008-05-22 | 2014-01-07 | Vladimir Balakin | Method and apparatus coordinating synchrotron acceleration periods with patient respiration periods |
| US8710462B2 (en) | 2008-05-22 | 2014-04-29 | Vladimir Balakin | Charged particle cancer therapy beam path control method and apparatus |
| US9177751B2 (en) | 2008-05-22 | 2015-11-03 | Vladimir Balakin | Carbon ion beam injector apparatus and method of use thereof |
| US7943913B2 (en) * | 2008-05-22 | 2011-05-17 | Vladimir Balakin | Negative ion source method and apparatus used in conjunction with a charged particle cancer therapy system |
| US9981147B2 (en) | 2008-05-22 | 2018-05-29 | W. Davis Lee | Ion beam extraction apparatus and method of use thereof |
| US9974978B2 (en) | 2008-05-22 | 2018-05-22 | W. Davis Lee | Scintillation array apparatus and method of use thereof |
| US7940894B2 (en) | 2008-05-22 | 2011-05-10 | Vladimir Balakin | Elongated lifetime X-ray method and apparatus used in conjunction with a charged particle cancer therapy system |
| US10548551B2 (en) | 2008-05-22 | 2020-02-04 | W. Davis Lee | Depth resolved scintillation detector array imaging apparatus and method of use thereof |
| US7939809B2 (en) * | 2008-05-22 | 2011-05-10 | Vladimir Balakin | Charged particle beam extraction method and apparatus used in conjunction with a charged particle cancer therapy system |
| US8378321B2 (en) | 2008-05-22 | 2013-02-19 | Vladimir Balakin | Charged particle cancer therapy and patient positioning method and apparatus |
| US8188688B2 (en) | 2008-05-22 | 2012-05-29 | Vladimir Balakin | Magnetic field control method and apparatus used in conjunction with a charged particle cancer therapy system |
| US8896239B2 (en) | 2008-05-22 | 2014-11-25 | Vladimir Yegorovich Balakin | Charged particle beam injection method and apparatus used in conjunction with a charged particle cancer therapy system |
| US8718231B2 (en) | 2008-05-22 | 2014-05-06 | Vladimir Balakin | X-ray tomography method and apparatus used in conjunction with a charged particle cancer therapy system |
| CN102119585B (zh) * | 2008-05-22 | 2016-02-03 | 弗拉迪米尔·叶戈罗维奇·巴拉金 | 带电粒子癌症疗法患者定位的方法和装置 |
| US8368038B2 (en) | 2008-05-22 | 2013-02-05 | Vladimir Balakin | Method and apparatus for intensity control of a charged particle beam extracted from a synchrotron |
| US8129699B2 (en) | 2008-05-22 | 2012-03-06 | Vladimir Balakin | Multi-field charged particle cancer therapy method and apparatus coordinated with patient respiration |
| US8373145B2 (en) | 2008-05-22 | 2013-02-12 | Vladimir Balakin | Charged particle cancer therapy system magnet control method and apparatus |
| US8627822B2 (en) | 2008-07-14 | 2014-01-14 | Vladimir Balakin | Semi-vertical positioning method and apparatus used in conjunction with a charged particle cancer therapy system |
| US8229072B2 (en) | 2008-07-14 | 2012-07-24 | Vladimir Balakin | Elongated lifetime X-ray method and apparatus used in conjunction with a charged particle cancer therapy system |
| US8625739B2 (en) * | 2008-07-14 | 2014-01-07 | Vladimir Balakin | Charged particle cancer therapy x-ray method and apparatus |
| BRPI0924903B8 (pt) | 2009-03-04 | 2021-06-22 | Zakrytoe Aktsionernoe Obshchestvo Protom | aparelho para geração de um feixe de íons negativos para uso em uma terapia por radiação de partículas carregadas e método para geração de um feixe de íons negativos para uso com terapia por radiação de partículas carregadas |
| DE102010013362A1 (de) * | 2010-03-30 | 2011-10-06 | Siemens Aktiengesellschaft | Substrat für einen Feldemitter, Verfahren zur Herstellung des Substrates und Verwendung des Substrates |
| US10518109B2 (en) | 2010-04-16 | 2019-12-31 | Jillian Reno | Transformable charged particle beam path cancer therapy apparatus and method of use thereof |
| US10638988B2 (en) | 2010-04-16 | 2020-05-05 | Scott Penfold | Simultaneous/single patient position X-ray and proton imaging apparatus and method of use thereof |
| US11648420B2 (en) | 2010-04-16 | 2023-05-16 | Vladimir Balakin | Imaging assisted integrated tomography—cancer treatment apparatus and method of use thereof |
| US10376717B2 (en) | 2010-04-16 | 2019-08-13 | James P. Bennett | Intervening object compensating automated radiation treatment plan development apparatus and method of use thereof |
| US10589128B2 (en) | 2010-04-16 | 2020-03-17 | Susan L. Michaud | Treatment beam path verification in a cancer therapy apparatus and method of use thereof |
| US10188877B2 (en) | 2010-04-16 | 2019-01-29 | W. Davis Lee | Fiducial marker/cancer imaging and treatment apparatus and method of use thereof |
| US10751551B2 (en) | 2010-04-16 | 2020-08-25 | James P. Bennett | Integrated imaging-cancer treatment apparatus and method of use thereof |
| US10555710B2 (en) | 2010-04-16 | 2020-02-11 | James P. Bennett | Simultaneous multi-axes imaging apparatus and method of use thereof |
| US9737731B2 (en) | 2010-04-16 | 2017-08-22 | Vladimir Balakin | Synchrotron energy control apparatus and method of use thereof |
| US10349906B2 (en) | 2010-04-16 | 2019-07-16 | James P. Bennett | Multiplexed proton tomography imaging apparatus and method of use thereof |
| US10086214B2 (en) | 2010-04-16 | 2018-10-02 | Vladimir Balakin | Integrated tomography—cancer treatment apparatus and method of use thereof |
| US10556126B2 (en) | 2010-04-16 | 2020-02-11 | Mark R. Amato | Automated radiation treatment plan development apparatus and method of use thereof |
| US10625097B2 (en) | 2010-04-16 | 2020-04-21 | Jillian Reno | Semi-automated cancer therapy treatment apparatus and method of use thereof |
| US10179250B2 (en) | 2010-04-16 | 2019-01-15 | Nick Ruebel | Auto-updated and implemented radiation treatment plan apparatus and method of use thereof |
| DE102010043561B4 (de) | 2010-11-08 | 2020-03-05 | Nuray Technology Co., Ltd. | Elektronenquelle |
| DE102010043540A1 (de) | 2010-11-08 | 2012-03-15 | Siemens Aktiengesellschaft | Röntgenröhre |
| US8915833B1 (en) | 2011-02-15 | 2014-12-23 | Velayudhan Sahadevan | Image guided intraoperative simultaneous several ports microbeam radiation therapy with microfocus X-ray tubes |
| US9636525B1 (en) | 2011-02-15 | 2017-05-02 | Velayudhan Sahadevan | Method of image guided intraoperative simultaneous several ports microbeam radiation therapy with microfocus X-ray tubes |
| US8787529B2 (en) * | 2011-05-11 | 2014-07-22 | Massachusetts Institute Of Technology | Compact coherent current and radiation source |
| US8963112B1 (en) | 2011-05-25 | 2015-02-24 | Vladimir Balakin | Charged particle cancer therapy patient positioning method and apparatus |
| KR102076380B1 (ko) * | 2012-03-16 | 2020-02-11 | 나녹스 이미징 피엘씨 | 전자 방출 구조체를 갖는 장치 |
| WO2013187970A2 (en) * | 2012-05-14 | 2013-12-19 | The General Hospital Corporation | Method for coded-source phase contrast x-ray imaging |
| KR101868009B1 (ko) * | 2012-06-18 | 2018-06-18 | 한국전자통신연구원 | 전계 방출 엑스선원 및 이를 이용한 전자 빔 집속 방법 |
| KR101858230B1 (ko) * | 2012-06-18 | 2018-05-16 | 한국전자통신연구원 | 엑스선원 및 이를 이용한 엑스선 초점 조절 방법 |
| JP6295254B2 (ja) | 2012-08-16 | 2018-03-14 | ナノックス イメージング ピーエルシー | X線放出装置 |
| US9251987B2 (en) | 2012-09-14 | 2016-02-02 | General Electric Company | Emission surface for an X-ray device |
| US8933651B2 (en) | 2012-11-16 | 2015-01-13 | Vladimir Balakin | Charged particle accelerator magnet apparatus and method of use thereof |
| JP6063272B2 (ja) * | 2013-01-29 | 2017-01-18 | 双葉電子工業株式会社 | X線照射源及びx線管 |
| US9048064B2 (en) * | 2013-03-05 | 2015-06-02 | Varian Medical Systems, Inc. | Cathode assembly for a long throw length X-ray tube |
| KR20140112270A (ko) * | 2013-03-13 | 2014-09-23 | 삼성전자주식회사 | 방열 블록을 포함한 엑스선 발생 장치 |
| JP6188470B2 (ja) | 2013-07-24 | 2017-08-30 | キヤノン株式会社 | 放射線発生装置及びそれを用いた放射線撮影システム |
| KR102259859B1 (ko) | 2013-11-27 | 2021-06-03 | 나녹스 이미징 피엘씨 | 이온 내충격성을 가진 전자 방출 구조물 |
| DE102014203334B4 (de) * | 2014-02-25 | 2023-04-27 | Siemens Healthcare Gmbh | Röntgenanlage |
| JP6441015B2 (ja) * | 2014-10-06 | 2018-12-19 | キヤノンメディカルシステムズ株式会社 | X線診断装置及びx線管制御方法 |
| KR102088005B1 (ko) * | 2015-11-11 | 2020-03-11 | 한국전자통신연구원 | 방사선 촬영 장치 |
| US20170207592A1 (en) * | 2016-01-14 | 2017-07-20 | Advanced Magnet Lab, Inc. | Contactless electrical current transfer apparatus with diamond and other emitter structures and homopolar machines comprising same |
| US9907981B2 (en) | 2016-03-07 | 2018-03-06 | Susan L. Michaud | Charged particle translation slide control apparatus and method of use thereof |
| JP6659167B2 (ja) * | 2016-03-30 | 2020-03-04 | キヤノン株式会社 | 電子銃を備えたx線発生管及びx線撮影装置 |
| US10991539B2 (en) * | 2016-03-31 | 2021-04-27 | Nano-X Imaging Ltd. | X-ray tube and a conditioning method thereof |
| US10037863B2 (en) | 2016-05-27 | 2018-07-31 | Mark R. Amato | Continuous ion beam kinetic energy dissipater apparatus and method of use thereof |
| CN106531592B (zh) * | 2016-12-29 | 2018-12-28 | 清华大学 | 电子枪以及具有该电子枪的x射线光源与ct设备 |
| KR101916711B1 (ko) * | 2017-07-21 | 2019-01-24 | 주식회사 바텍 | 전계 방출 엑스선 소스를 이용한 엑스선 발생 장치 |
| WO2020136912A1 (ja) * | 2018-12-28 | 2020-07-02 | キヤノンアネルバ株式会社 | 電子銃、x線発生装置およびx線撮像装置 |
| CN111161988A (zh) * | 2019-12-26 | 2020-05-15 | 兰州空间技术物理研究所 | 一种基于碳纳米管阴极的低能电子束枪 |
| US11719652B2 (en) * | 2020-02-04 | 2023-08-08 | Kla Corporation | Semiconductor metrology and inspection based on an x-ray source with an electron emitter array |
| EP3933881A1 (en) | 2020-06-30 | 2022-01-05 | VEC Imaging GmbH & Co. KG | X-ray source with multiple grids |
| WO2023188338A1 (ja) * | 2022-03-31 | 2023-10-05 | キヤノンアネルバ株式会社 | X線発生装置、ターゲットの調整方法、および、x線発生装置の使用方法 |
| US12230468B2 (en) | 2022-06-30 | 2025-02-18 | Varex Imaging Corporation | X-ray system with field emitters and arc protection |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4032815A (en) * | 1975-11-04 | 1977-06-28 | Stromberg Datagraphix Inc. | Collimated beam electron gun system for shaped beam cathode ray tube |
| US4521901A (en) * | 1983-03-01 | 1985-06-04 | Imatron Associates | Scanning electron beam computed tomography scanner with ion aided focusing |
| DE19824783A1 (de) * | 1998-06-03 | 1999-12-16 | Siemens Ag | Vorrichtung zur Formung eines Elektronenstrahls, Verfahren zur Herstellung der Vorrichtung und Anwendung |
| JP2000251757A (ja) * | 1999-02-26 | 2000-09-14 | Toshiba Corp | 陰極線管 |
| KR100599702B1 (ko) * | 2000-01-12 | 2006-07-12 | 삼성에스디아이 주식회사 | 음극선관의 컨버젼스 드리프트 보정 장치 |
| JP2001216916A (ja) * | 2000-01-31 | 2001-08-10 | Toshiba Corp | 陰極線管装置 |
| US7085351B2 (en) * | 2000-10-06 | 2006-08-01 | University Of North Carolina At Chapel Hill | Method and apparatus for controlling electron beam current |
| US7826595B2 (en) * | 2000-10-06 | 2010-11-02 | The University Of North Carolina | Micro-focus field emission x-ray sources and related methods |
| 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 |
| US6553096B1 (en) * | 2000-10-06 | 2003-04-22 | The University Of North Carolina Chapel Hill | X-ray generating mechanism using electron field emission cathode |
| JP3810656B2 (ja) * | 2001-07-23 | 2006-08-16 | 株式会社神戸製鋼所 | 微小x線源 |
| US7192031B2 (en) * | 2004-02-05 | 2007-03-20 | General Electric Company | Emitter array configurations for a stationary CT system |
| JP2005237779A (ja) * | 2004-02-27 | 2005-09-08 | Shimadzu Corp | X線ct装置 |
| EP1995213A4 (en) * | 2006-03-13 | 2010-03-24 | Nikon Corp | METHOD OF PRODUCTION OF CARBON NANOPHONE AGGREGATES, CARBON NANOPHONIC UNITS, CATALYST LINE DISPERSION MEMBRANE, ELECTRONIC MIXTURES AND FIELD EMISSION INDICATORS |
| JP5049505B2 (ja) * | 2006-03-29 | 2012-10-17 | 日立造船株式会社 | エネルギー変換装置 |
| KR100766907B1 (ko) * | 2006-04-05 | 2007-10-17 | 한국전기연구원 | 마이크로 집속 수준의 전자빔 발생용 탄소나노튜브 기판분리형 방사선관 시스템 |
| US7627087B2 (en) * | 2007-06-28 | 2009-12-01 | General Electric Company | One-dimensional grid mesh for a high-compression electron gun |
| JP5426089B2 (ja) * | 2007-12-25 | 2014-02-26 | 株式会社東芝 | X線管及びx線ct装置 |
-
2008
- 2008-03-26 US US12/055,536 patent/US7801277B2/en not_active Expired - Fee Related
-
2009
- 2009-03-23 JP JP2009069555A patent/JP4590479B2/ja active Active
- 2009-03-25 DE DE102009003673.3A patent/DE102009003673B4/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US7801277B2 (en) | 2010-09-21 |
| DE102009003673B4 (de) | 2014-02-20 |
| JP2009238750A (ja) | 2009-10-15 |
| US20090245468A1 (en) | 2009-10-01 |
| DE102009003673A1 (de) | 2009-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4590479B2 (ja) | ビーム・エミッタンス増大を最小限にした電界エミッタ利用電子源 | |
| US8588372B2 (en) | Apparatus for modifying electron beam aspect ratio for X-ray generation | |
| US7809114B2 (en) | Field emitter based electron source for multiple spot X-ray | |
| US7826594B2 (en) | Virtual matrix control scheme for multiple spot X-ray source | |
| JP5719162B2 (ja) | X線管陰極アセンブリシステム及び、x線管システム | |
| US7197116B2 (en) | Wide scanning x-ray source | |
| US8666024B2 (en) | Multi-X-ray generating apparatus and X-ray imaging apparatus | |
| JP5207842B2 (ja) | 高圧縮電子銃用の一次元グリッド・メッシュ | |
| RU2538771C2 (ru) | Источник рентгеновских лучей со множеством эмиттеров электронов | |
| US20150124934A1 (en) | Distributed, field emission-based x-ray source for phase contrast imaging | |
| JP5675794B2 (ja) | 2つの焦点スポットを生成するx線管及びこれを有する医療デバイス | |
| JP2004528682A (ja) | 2つのフィラメントにより焦点が静電制御されるx線管 | |
| US20080187093A1 (en) | X-ray generation using secondary emission electron source | |
| US20140079187A1 (en) | Emission surface for an x-ray device | |
| US7327829B2 (en) | Cathode assembly | |
| CN1487560A (zh) | 带有环形阳极的x射线管及其应用 | |
| JP2019519900A (ja) | X線の生成に使用するためのカソードアセンブリ | |
| JP2007095689A (ja) | 冷電子源によるx線発生装置 | |
| US10032595B2 (en) | Robust electrode with septum rod for biased X-ray tube cathode | |
| Tan et al. | Beam and image experiment of beam deflection electron gun for distributed X-ray sources | |
| Choi et al. | Development of new X-ray source based on carbon nanotube field emission and application to the non destructive imaging technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100706 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20100706 |
|
| A871 | Explanation of circumstances concerning accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A871 Effective date: 20100706 |
|
| A975 | Report on accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A971005 Effective date: 20100726 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20100824 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20100913 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 4590479 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130917 Year of fee payment: 3 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |