ATE549901T1 - Schnelle modulation einer schaltfokus- röntgenröhre - Google Patents

Schnelle modulation einer schaltfokus- röntgenröhre

Info

Publication number
ATE549901T1
ATE549901T1 AT10178639T AT10178639T ATE549901T1 AT E549901 T1 ATE549901 T1 AT E549901T1 AT 10178639 T AT10178639 T AT 10178639T AT 10178639 T AT10178639 T AT 10178639T AT E549901 T1 ATE549901 T1 AT E549901T1
Authority
AT
Austria
Prior art keywords
electron beam
time
varying intensity
anode
ray tube
Prior art date
Application number
AT10178639T
Other languages
English (en)
Inventor
Theodore Resnick
Original Assignee
Koninkl Philips Electronics Nv
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE549901T1 publication Critical patent/ATE549901T1/de

Links

Classifications

    • 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
    • A61B6/405—Source units specially adapted to modify characteristics of the beam during the data acquisition process
    • 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
    • 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
    • H01J35/045—Electrodes for controlling the current of the cathode ray, e.g. control grids
    • 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
    • H01J35/02—Details
    • H01J35/14—Arrangements for concentrating, focusing, or directing the cathode ray
    • H01J35/153—Spot position control
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08—Electrical details
    • H05G1/26—Measuring, controlling or protecting
    • H05G1/30—Controlling
    • H05G1/34—Anode current, heater current or heater voltage of X-ray tube
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08—Electrical details
    • H05G1/26—Measuring, controlling or protecting
    • H05G1/30—Controlling
    • H05G1/36—Temperature of anode; Brightness of image power
AT10178639T 2003-01-06 2004-01-05 Schnelle modulation einer schaltfokus- röntgenröhre ATE549901T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US43821603P 2003-01-06 2003-01-06

Publications (1)

Publication Number Publication Date
ATE549901T1 true ATE549901T1 (de) 2012-03-15

Family

ID=32713294

Family Applications (1)

Application Number Title Priority Date Filing Date
AT10178639T ATE549901T1 (de) 2003-01-06 2004-01-05 Schnelle modulation einer schaltfokus- röntgenröhre

Country Status (6)

Country Link
US (1) US7406154B2 (de)
EP (2) EP1584219B1 (de)
JP (1) JP2006516206A (de)
CN (1) CN100375583C (de)
AT (1) ATE549901T1 (de)
WO (1) WO2004061864A2 (de)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007066243A2 (en) * 2005-12-08 2007-06-14 Koninklijke Philips Electronics N.V. Systems and methods for scanning and data acquisition in computed tomography (ct) applications
US8983024B2 (en) 2006-04-14 2015-03-17 William Beaumont Hospital Tetrahedron beam computed tomography with multiple detectors and/or source arrays
US9339243B2 (en) 2006-04-14 2016-05-17 William Beaumont Hospital Image guided radiotherapy with dual source and dual detector arrays tetrahedron beam computed tomography
CN101449352A (zh) * 2006-05-22 2009-06-03 皇家飞利浦电子股份有限公司 与旋转阳极移动同步地操纵电子束的x射线管
CA2905989C (en) 2006-05-25 2017-01-24 Di Yan Real-time, on-line and offline treatment dose tracking and feedback process for volumetric image guided adaptive radiotherapy
CN101346034B (zh) * 2007-07-09 2011-11-23 清华大学 双能或多能静电场电子加速装置和方法
WO2009011422A1 (ja) * 2007-07-19 2009-01-22 Hitachi Medical Corporation Ｘ線発生装置及びこれを用いたｘ線ｃｔ装置
US7496180B1 (en) * 2007-08-29 2009-02-24 General Electric Company Focal spot temperature reduction using three-point deflection
JP5268406B2 (ja) * 2008-03-31 2013-08-21 株式会社東芝 Ｘ線ｃｔスキャナ及びｘ線管装置
US7869571B2 (en) * 2008-09-17 2011-01-11 General Electric Company Methods and apparatus for x-ray imaging with focal spot deflection
WO2010058332A2 (en) * 2008-11-21 2010-05-27 Philips Intellectual Property & Standards Gmbh X-ray tube with repelling top electrode for accelerated switching-off
US7991117B2 (en) * 2009-01-13 2011-08-02 Varian Medical Systems, Inc. Apparatus and method to facilitate dynamically adjusting radiation intensity for imaging purposes
JP5433334B2 (ja) 2009-07-27 2014-03-05 株式会社東芝 Ｘ線ｃｔ装置
US8027433B2 (en) * 2009-07-29 2011-09-27 General Electric Company Method of fast current modulation in an X-ray tube and apparatus for implementing same
JP5675808B2 (ja) * 2009-08-13 2015-02-25 コーニンクレッカ フィリップス エヌ ヴェ 独立したｘ及びｚ方向の動的フォーカルスポット偏向を持つＸ線管
DE102009037688B4 (de) * 2009-08-17 2011-06-16 Siemens Aktiengesellschaft Vorrichtung und Verfahren zur Steuerung eines Elektronenstrahls für die Erzeugung von Röntgenstrahlung sowie Röntgenröhre
JP5622371B2 (ja) 2009-08-28 2014-11-12 株式会社東芝 Ｘ線管及びそれを用いたｘ線ｃｔ装置
US8340250B2 (en) 2009-09-04 2012-12-25 General Electric Company System and method for generating X-rays
WO2011084878A1 (en) 2010-01-05 2011-07-14 William Beaumont Hospital Intensity modulated arc therapy with continuous couch rotation/shift and simultaneous cone beam imaging
US8396185B2 (en) 2010-05-12 2013-03-12 General Electric Company Method of fast current modulation in an X-ray tube and apparatus for implementing same
US8295442B2 (en) * 2010-07-28 2012-10-23 General Electric Company Apparatus and method for magnetic control of an electron beam
US9504135B2 (en) * 2010-07-28 2016-11-22 General Electric Company Apparatus and method for magnetic control of an electron beam
WO2013076598A1 (en) 2011-11-23 2013-05-30 Koninklijke Philips Electronics N.V. Periodic modulation of the x-ray intensity
JP2014061273A (ja) * 2012-08-30 2014-04-10 Toshiba Corp Ｘ線コンピュータ断層撮影装置
US8964940B2 (en) * 2012-11-21 2015-02-24 Thermo Scientific Portable Analytical Instruments Inc. Dynamically adjustable filament control through firmware for miniature x-ray source
US9241393B2 (en) 2013-03-14 2016-01-19 Analogic Corporation Dynamic control of radiation emission
CN105338904B (zh) * 2013-06-26 2019-01-29 皇家飞利浦有限公司 成像装置
US9201028B2 (en) 2013-12-17 2015-12-01 Nucsafe, Inc. Depth determination in X-ray backscatter system using frequency modulated X-ray beam
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
WO2016196521A1 (en) * 2015-06-01 2016-12-08 The Regents Of The University Of California Systems and methods for reducing radiation dose in ct
US10165996B2 (en) * 2015-09-30 2019-01-01 General Electric Company Systems and methods for dual-energy computed tomography imaging
CN105212958B (zh) * 2015-10-21 2018-08-21 沈阳东软医疗系统有限公司 Ct图像的获得方法、装置及设备
US10290460B2 (en) * 2016-09-07 2019-05-14 General Electric Company X-ray tube with gridding electrode
DE102016222365B3 (de) * 2016-11-15 2018-04-05 Siemens Healthcare Gmbh Verfahren, Computerprogrammprodukt, computerlesbares Medium und Vorrichtung zur Erzeugung von Röntgenpulsen bei einer Röntgenbildgebung
EP3528274A1 (de) 2018-02-19 2019-08-21 Koninklijke Philips N.V. Röntgenquelle und vorrichtung zur bildgebung mit röntgenstrahlung
WO2020089131A1 (de) * 2018-10-29 2020-05-07 Yxlon International Gmbh Verfahren zur stabilisierung eines brennflecks einer röntgenröhre sowie röntgen-ct-anlage
JP6564120B1 (ja) * 2018-11-13 2019-08-21 株式会社オリジン Ｘ線管制御装置、ｘ線発生装置及びｘ線管制御方法
CN109799184A (zh) * 2019-03-12 2019-05-24 北京卫星环境工程研究所 组合式的航天器光缆组件温度和辐照综合试验系统

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7416756A (nl) * 1974-12-23 1976-06-25 Philips Nv Aftastend rontgenonderzoekapparaat.
JPS5330865A (en) 1976-09-03 1978-03-23 Hitachi Ltd Electron microscope provided with sample irradiating electron beam quantity measuring unit
US4703496A (en) 1985-12-30 1987-10-27 General Electric Company Automatic x-ray image brightness control
IL91119A0 (en) * 1989-07-26 1990-03-19 Elscint Ltd Arrangement for controlling focal spot position in x-ray tubes
US5003572A (en) * 1990-04-06 1991-03-26 General Electric Company Automatic brightness compensation for x-ray imaging systems
DE4430622C2 (de) * 1994-08-29 1998-07-02 Siemens Ag Kathodensystem für eine Röntgenröhre
US5550889A (en) * 1994-11-28 1996-08-27 General Electric Alignment of an x-ray tube focal spot using a deflection coil
US5621781A (en) * 1995-12-14 1997-04-15 General Electric Company X-ray tube
AU3009597A (en) * 1996-05-07 1997-11-26 American Science And Engineering Inc. X-ray tubes for imaging systems
DE19703136A1 (de) * 1997-01-29 1998-07-30 Philips Patentverwaltung Röntgeneinrichtung mit einem piezoelektrischen Transformator
US5867555A (en) 1997-03-04 1999-02-02 Siemens Aktiengesellschaft Adaptive dose modulation during CT scanning
US5822393A (en) 1997-04-01 1998-10-13 Siemens Aktiengesellschaft Method for adaptively modulating the power level of an x-ray tube of a computer tomography (CT) system
US6385280B1 (en) * 1998-08-18 2002-05-07 Siemens Aktiengesellschaft X-ray computed tomography apparatus with modulation of the x-ray power of the x-ray source
US6256369B1 (en) * 1999-03-31 2001-07-03 Analogic Corporation Computerized tomography scanner with longitudinal flying focal spot

Also Published As

Publication number Publication date
WO2004061864A2 (en) 2004-07-22
CN1723743A (zh) 2006-01-18
US7406154B2 (en) 2008-07-29
WO2004061864A3 (en) 2004-10-07
US20060115050A1 (en) 2006-06-01
JP2006516206A (ja) 2006-06-29
EP1584219B1 (de) 2012-06-13
EP1584219A2 (de) 2005-10-12
EP2271189A1 (de) 2011-01-05
CN100375583C (zh) 2008-03-12
EP2271189B1 (de) 2012-03-14

Similar Documents

Publication Publication Date Title
ATE549901T1 (de) Schnelle modulation einer schaltfokus- röntgenröhre
WO2003019995A1 (fr) Dispositif de production de rayons x
ATE136399T1 (de) Elektronemittierende vorrichtung und elektronenstrahlerzeugungsgerät und diese vorrichtung verwendendes bilderzeugungsgerät
ATE35480T1 (de) Halbleitervorrichtung zur erzeugung eines elektronenstrahles.
WO2002103740A3 (en) Focusing lens for electron emitter
TW429458B (en) An electron gun used in an electron beam exposure, apparatus
EP3809444A3 (de) Gepulste cpb-elektronen-quelle mit schnellem blanker für ultraschnelle tem-anwendungen
US4506191A (en) Light source cathode ray tube
US4500791A (en) High stability electron beam generator for processing material
GB8728481D0 (en) Electron gun
CN112601339B (zh) 调制脉冲x射线发射系统
DE69936929D1 (de) Elektronenhohlstrahl-schaltröhre mit hoher spannungsfestigkeit und stromregelung
RU2714692C1 (ru) Способ бессеточной модуляции пучка в свч-приборах о-типа
JP2005026241A (ja) 電子ビーム生成装置、及び電子ビーム露光装置
JPH10289797A (ja) Ｘ線発生装置
KR20180086980A (ko) 초소형 의료용 전자가속기
JPH0766769B2 (ja) 電子線装置
EP0488972B1 (de) Vorrichtung zur Erzeugung eines Ein-Aus-modulierten Elektronenstrahls
JP2621369B2 (ja) 電子ビーム加工装置
JPS62140344A (ja) 電子銃
JPS6297241A (ja) Ｘ線発生装置
JPS60141061U (ja) 熱電子放射陰極を用いた電子銃の安定化装置
JPS5790839A (en) Electron gun
MY118186A (en) Cathode ray tube assembly including a socket with a resistor for changing dynamic focus voltage
JP2004031067A (ja) Ｘ線装置