JP2005222950A - 静止ctシステムのためのエミッタアレイ構成 - Google Patents
静止ctシステムのためのエミッタアレイ構成 Download PDFInfo
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- JP2005222950A JP2005222950A JP2005028999A JP2005028999A JP2005222950A JP 2005222950 A JP2005222950 A JP 2005222950A JP 2005028999 A JP2005028999 A JP 2005028999A JP 2005028999 A JP2005028999 A JP 2005028999A JP 2005222950 A JP2005222950 A JP 2005222950A
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- 238000010894 electron beam technology Methods 0.000 claims abstract description 8
- 230000004913 activation Effects 0.000 claims description 45
- 238000002591 computed tomography Methods 0.000 abstract description 9
- 238000003384 imaging method Methods 0.000 abstract description 4
- 230000003213 activating effect Effects 0.000 abstract description 3
- 230000005684 electric field Effects 0.000 abstract 2
- 238000001816 cooling Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 14
- 230000008901 benefit Effects 0.000 description 5
- 238000013507 mapping Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000035515 penetration Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 238000003491 array Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000013170 computed tomography imaging Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000013077 target material Substances 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 229910001080 W alloy Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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- DNYWZCXLKNTFFI-UHFFFAOYSA-N uranium Chemical compound [U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U] DNYWZCXLKNTFFI-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computerised tomographs
- A61B6/032—Transmission computed tomography [CT]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/40—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4021—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
- A61B6/4028—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot resulting in acquisition of views from substantially different positions, e.g. EBCT
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4488—Means for cooling
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- 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
- 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
- H01J2235/00—X-ray tubes
- H01J2235/02—Electrical arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2235/00—X-ray tubes
- H01J2235/06—Cathode assembly
Abstract
【解決手段】 電界エミッタアレイ・システム(10)は、ハウジング(50)を含む。エミッタアレイ(80)は、電子ビームを発生し、またハウジング(50)内部に配置された複数エミッタ素子(81)を有する。各エミッタ素子は、複数活性化結線(92)を有する。
【選択図】 図5A
Description
50 ハウジン
58 陰極
59、59’ エミッタアレイ・ブロック
68 陽極
74 真空チャンバ
80 エミッタアレイ
81、81’、81’’、81’’’、108 エミッタ素子
90、114 活性化制御線
92、92’ 活性化結線
96 焦点制御結線
120 ANDゲート
132 アドレス線
Claims (10)
- 真空ハウジング(50)と、
少なくとも1つの電子ビームを発生しかつ前記真空ハウジング(50)内部に配置された複数のエミッタ素子(81)を有する少なくとも1つのエミッタアレイ(80)と、を含み、
前記複数のエミッタ素子(81)内のエミッタ素子の各々が、複数の活性化結線(92)を有する、
X線源。 - 前記複数のエミッタ素子(81)の少なくとも1つのエミッタ素子が、該少なくとも1つのエミッタ素子に関連する前記複数の活性化結線(92)の各活性化結線から活性化信号を受けた時に、活性化される、請求項1記載のX線源。
- 少なくとも1つのエミッタアレイ・ブロック(59)をさらに含み、前記少なくとも1つのエミッタアレイが、前記少なくとも1つのエミッタアレイ・ブロック(59)内部に配置されている、請求項1記載のX線源。
- 前記少なくとも1つのエミッタアレイ・ブロック(59)が、少なくとも1つのアドレス線(132)を含む、請求項1記載のX線源。
- 前記複数のエミッタ素子(81)の少なくとも1つのエミッタ素子が、前記少なくとも1つのブロック(59)がアドレス指定されかつ該少なくとも1つのエミッタ素子に関連する前記複数の活性化結線(92)の各活性化結線から活性化信号を受けた時に、活性化される、請求項1記載のX線源。
- 前記少なくとも1つのエミッタアレイ・ブロック(59)が、直列に連結された複数のエミッタアレイ・ブロックを含む、請求項1記載のX線源。
- 前記複数のエミッタ素子(81)と前記複数の活性化結線(92)との間に連結された複数のANDゲート(120)をさらに含み、前記複数のANDゲート(120)が、前記複数のエミッタ素子(81)を活性化させる、請求項1記載のX線源。
- 前記複数のエミッタ素子(81)が、複数の焦点制御結線(96)を有する、請求項1記載のX線源。
- 前記複数のエミッタ素子(81)が、2次元活性化スキーム及び1次元物理的構成を有する、請求項1記載のX線源。
- 前記複数のエミッタ素子(81)が、3次元活性化スキーム及び1次元物理的構成を有する、請求項1記載のX線源。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/708,048 | 2004-02-05 | ||
US10/708,048 US7192031B2 (en) | 2004-02-05 | 2004-02-05 | Emitter array configurations for a stationary CT system |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005222950A true JP2005222950A (ja) | 2005-08-18 |
JP5238122B2 JP5238122B2 (ja) | 2013-07-17 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005028999A Expired - Fee Related JP5238122B2 (ja) | 2004-02-05 | 2005-02-04 | 静止ctシステムのためのエミッタアレイ構成 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7192031B2 (ja) |
JP (1) | JP5238122B2 (ja) |
DE (1) | DE102005004966A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007135812A1 (ja) * | 2006-05-18 | 2007-11-29 | Hamamatsu Photonics K.K. | X線管 |
JP2009238750A (ja) * | 2008-03-26 | 2009-10-15 | General Electric Co <Ge> | 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 |
Families Citing this family (71)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
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 |
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 |
US8094784B2 (en) | 2003-04-25 | 2012-01-10 | Rapiscan Systems, Inc. | X-ray sources |
US8451974B2 (en) | 2003-04-25 | 2013-05-28 | Rapiscan Systems, Inc. | X-ray tomographic inspection system for the identification of specific target items |
US8804899B2 (en) | 2003-04-25 | 2014-08-12 | Rapiscan Systems, Inc. | Imaging, data acquisition, data transmission, and data distribution methods and systems for high data rate tomographic X-ray scanners |
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 |
GB0812864D0 (en) | 2008-07-15 | 2008-08-20 | Cxr Ltd | Coolign anode |
US10483077B2 (en) | 2003-04-25 | 2019-11-19 | Rapiscan Systems, Inc. | X-ray sources having reduced electron scattering |
US9113839B2 (en) | 2003-04-25 | 2015-08-25 | Rapiscon Systems, Inc. | X-ray inspection system and method |
US8243876B2 (en) | 2003-04-25 | 2012-08-14 | Rapiscan Systems, Inc. | X-ray scanners |
US8223919B2 (en) | 2003-04-25 | 2012-07-17 | Rapiscan Systems, Inc. | X-ray tomographic inspection systems for the identification of specific target items |
US8837669B2 (en) | 2003-04-25 | 2014-09-16 | Rapiscan Systems, Inc. | X-ray scanning system |
US7949101B2 (en) | 2005-12-16 | 2011-05-24 | Rapiscan Systems, Inc. | X-ray scanners and X-ray sources therefor |
US6928141B2 (en) | 2003-06-20 | 2005-08-09 | Rapiscan, Inc. | Relocatable X-ray imaging system and method for inspecting commercial vehicles and cargo containers |
EP1766509A1 (en) * | 2004-04-19 | 2007-03-28 | Soreq Nuclear Research Center | High-speed, true random-number generator |
US7471764B2 (en) | 2005-04-15 | 2008-12-30 | Rapiscan Security Products, Inc. | X-ray imaging system having improved weather resistance |
US8155262B2 (en) * | 2005-04-25 | 2012-04-10 | The University Of North Carolina At Chapel Hill | Methods, systems, and computer program products for multiplexing computed tomography |
US20070009088A1 (en) * | 2005-07-06 | 2007-01-11 | Edic Peter M | System and method for imaging using distributed X-ray sources |
US9046465B2 (en) | 2011-02-24 | 2015-06-02 | Rapiscan Systems, Inc. | Optimization of the source firing pattern for X-ray scanning systems |
CN101379392B (zh) * | 2006-02-02 | 2013-01-23 | 皇家飞利浦电子股份有限公司 | 使用分布式x射线源的成像装置 |
US20070225778A1 (en) * | 2006-03-23 | 2007-09-27 | Heacock Gregory L | PDT apparatus with an addressable LED array for therapy and aiming |
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 |
US7616731B2 (en) * | 2006-08-30 | 2009-11-10 | General Electric Company | Acquisition and reconstruction of projection data using a stationary CT geometry |
US7706499B2 (en) * | 2006-08-30 | 2010-04-27 | General Electric Company | Acquisition and reconstruction of projection data using a stationary CT geometry |
US20080056432A1 (en) * | 2006-08-30 | 2008-03-06 | General Electric Company | Reconstruction of CT projection data |
US7835486B2 (en) * | 2006-08-30 | 2010-11-16 | General Electric Company | Acquisition and reconstruction of projection data using a stationary CT geometry |
WO2008157388A1 (en) | 2007-06-13 | 2008-12-24 | Vitaliy Ziskin | Scanning x-ray radiation |
US7627087B2 (en) * | 2007-06-28 | 2009-12-01 | General Electric Company | One-dimensional grid mesh for a high-compression electron gun |
US7869566B2 (en) * | 2007-06-29 | 2011-01-11 | Morpho Detection, Inc. | Integrated multi-sensor systems for and methods of explosives detection |
WO2009012453A1 (en) * | 2007-07-19 | 2009-01-22 | The University Of North Carolina At Chapel Hill | Stationary x-ray digital breast tomosynthesis systems and related methods |
DE102007046278A1 (de) * | 2007-09-27 | 2009-04-09 | Siemens Ag | Röntgenröhre mit Transmissionsanode |
US7826594B2 (en) * | 2008-01-21 | 2010-11-02 | General Electric Company | Virtual matrix control scheme for multiple spot X-ray source |
US7809114B2 (en) * | 2008-01-21 | 2010-10-05 | General Electric Company | Field emitter based electron source for multiple spot X-ray |
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 |
GB0803644D0 (en) | 2008-02-28 | 2008-04-02 | Rapiscan Security Products Inc | Scanning systems |
GB0803641D0 (en) | 2008-02-28 | 2008-04-02 | Rapiscan Security Products Inc | Scanning systems |
GB0809110D0 (en) | 2008-05-20 | 2008-06-25 | Rapiscan Security Products Inc | Gantry scanner systems |
GB0816823D0 (en) | 2008-09-13 | 2008-10-22 | Cxr Ltd | X-ray tubes |
JP4693884B2 (ja) * | 2008-09-18 | 2011-06-01 | キヤノン株式会社 | マルチx線撮影装置及びその制御方法 |
DE102008050352B4 (de) * | 2008-10-02 | 2012-02-16 | Siemens Aktiengesellschaft | Multi-Strahl-Röntgenvorrichtung |
DE102008050353B3 (de) * | 2008-10-02 | 2010-05-20 | Siemens Aktiengesellschaft | Kreisförmige Multi-Strahl-Röntgenvorrichtung |
US8600003B2 (en) | 2009-01-16 | 2013-12-03 | The University Of North Carolina At Chapel Hill | Compact microbeam radiation therapy systems and methods for cancer treatment and research |
GB0901338D0 (en) * | 2009-01-28 | 2009-03-11 | Cxr Ltd | X-Ray tube electron sources |
CN102422364B (zh) | 2009-05-12 | 2015-08-05 | 皇家飞利浦电子股份有限公司 | 具有多个电子发射器的x射线源 |
US8588372B2 (en) * | 2009-12-16 | 2013-11-19 | General Electric Company | Apparatus for modifying electron beam aspect ratio for X-ray generation |
US9271689B2 (en) * | 2010-01-20 | 2016-03-01 | General Electric Company | Apparatus for wide coverage computed tomography and method of constructing same |
US8358739B2 (en) | 2010-09-03 | 2013-01-22 | The University Of North Carolina At Chapel Hill | Systems and methods for temporal multiplexing X-ray imaging |
US9218933B2 (en) | 2011-06-09 | 2015-12-22 | Rapidscan Systems, Inc. | Low-dose radiographic imaging system |
KR101773960B1 (ko) * | 2011-06-30 | 2017-09-12 | 한국전자통신연구원 | 단층합성영상 시스템 |
KR101146833B1 (ko) * | 2011-12-09 | 2012-05-21 | 전남대학교산학협력단 | 무회전 ct 시스템 |
CN103308535B (zh) * | 2012-03-09 | 2016-04-13 | 同方威视技术股份有限公司 | 用于射线扫描成像的设备和方法 |
WO2013136299A1 (en) * | 2012-03-16 | 2013-09-19 | Nanox Imaging Limited | Devices having an electron emitting structure |
WO2013184213A2 (en) * | 2012-05-14 | 2013-12-12 | The General Hospital Corporation | A distributed, field emission-based x-ray source for phase contrast imaging |
KR102025970B1 (ko) | 2012-08-16 | 2019-09-26 | 나녹스 이미징 피엘씨 | 영상 캡처 장치 |
US9791590B2 (en) | 2013-01-31 | 2017-10-17 | Rapiscan Systems, Inc. | Portable security inspection system |
CN103340641B (zh) * | 2013-04-27 | 2016-06-08 | 中国人民解放军北京军区总医院 | Ct扫描仪脉冲成像***及其脉冲成像方法 |
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 |
US9782136B2 (en) | 2014-06-17 | 2017-10-10 | The University Of North Carolina At Chapel Hill | Intraoral tomosynthesis systems, methods, and computer readable media for dental imaging |
GB2531326B (en) * | 2014-10-16 | 2020-08-05 | Adaptix Ltd | An X-Ray emitter panel and a method of designing such an X-Ray emitter panel |
US10980494B2 (en) | 2014-10-20 | 2021-04-20 | The University Of North Carolina At Chapel Hill | Systems and related methods for stationary digital chest tomosynthesis (s-DCT) imaging |
US10835199B2 (en) | 2016-02-01 | 2020-11-17 | The University Of North Carolina At Chapel Hill | Optical geometry calibration devices, systems, and related methods for three dimensional x-ray imaging |
US11282668B2 (en) * | 2016-03-31 | 2022-03-22 | Nano-X Imaging Ltd. | X-ray tube and a controller thereof |
US10991539B2 (en) * | 2016-03-31 | 2021-04-27 | Nano-X Imaging Ltd. | X-ray tube and a conditioning method thereof |
WO2019019040A1 (en) * | 2017-07-26 | 2019-01-31 | Shenzhen Xpectvision Technology Co., Ltd. | SYSTEM HAVING SPATIALLY EXPANDED X-RAY SOURCE FOR X-RAY IMAGING |
US10585206B2 (en) | 2017-09-06 | 2020-03-10 | Rapiscan Systems, Inc. | Method and system for a multi-view scanner |
US11212902B2 (en) | 2020-02-25 | 2021-12-28 | Rapiscan Systems, Inc. | Multiplexed drive systems and methods for a multi-emitter X-ray source |
EP3933881A1 (en) | 2020-06-30 | 2022-01-05 | VEC Imaging GmbH & Co. KG | X-ray source with multiple grids |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04231942A (ja) * | 1990-12-28 | 1992-08-20 | Shimadzu Corp | 回転陰極x線管 |
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 |
JP2002352755A (ja) * | 2000-12-29 | 2002-12-06 | Ge Medical Systems Global Technology Co Llc | フラットパネルx線源を備えるx線撮影装置 |
JP2004357724A (ja) * | 2003-05-30 | 2004-12-24 | Toshiba Corp | X線ct装置、x線発生装置及びx線ct装置のデータ収集方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5317307A (en) * | 1992-05-22 | 1994-05-31 | Intel Corporation | Method for pulse width modulation of LEDs with power demand load leveling |
US6980627B2 (en) * | 2000-10-06 | 2005-12-27 | Xintek, Inc. | Devices and methods for producing multiple x-ray beams from multiple locations |
US6385292B1 (en) | 2000-12-29 | 2002-05-07 | Ge Medical Systems Global Technology Company, Llc | Solid-state CT system and method |
US6674837B1 (en) * | 2001-06-15 | 2004-01-06 | Nan Crystal Imaging Corporation | X-ray imaging system incorporating pixelated X-ray source and synchronized detector |
-
2004
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04231942A (ja) * | 1990-12-28 | 1992-08-20 | Shimadzu Corp | 回転陰極x線管 |
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 |
JP2002352755A (ja) * | 2000-12-29 | 2002-12-06 | Ge Medical Systems Global Technology Co Llc | フラットパネルx線源を備えるx線撮影装置 |
JP2004357724A (ja) * | 2003-05-30 | 2004-12-24 | Toshiba Corp | X線ct装置、x線発生装置及びx線ct装置のデータ収集方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007135812A1 (ja) * | 2006-05-18 | 2007-11-29 | Hamamatsu Photonics K.K. | X線管 |
JP2009238750A (ja) * | 2008-03-26 | 2009-10-15 | General Electric Co <Ge> | 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 |
JP4590479B2 (ja) * | 2008-03-26 | 2010-12-01 | ゼネラル・エレクトリック・カンパニイ | 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 |
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US7192031B2 (en) | 2007-03-20 |
DE102005004966A1 (de) | 2005-08-25 |
JP5238122B2 (ja) | 2013-07-17 |
US20050175151A1 (en) | 2005-08-11 |
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