DE60204764D1 - Verfahren und vorrichtung zur messung der position, form, grösse und intensitätsverteilung eines effektiven röntgenröhrenfokus - Google Patents

Verfahren und vorrichtung zur messung der position, form, grösse und intensitätsverteilung eines effektiven röntgenröhrenfokus

Info

Publication number
DE60204764D1
DE60204764D1 DE60204764T DE60204764T DE60204764D1 DE 60204764 D1 DE60204764 D1 DE 60204764D1 DE 60204764 T DE60204764 T DE 60204764T DE 60204764 T DE60204764 T DE 60204764T DE 60204764 D1 DE60204764 D1 DE 60204764D1
Authority
DE
Germany
Prior art keywords
measuring
effective
size
intensity distribution
ray film
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
Application number
DE60204764T
Other languages
English (en)
Other versions
DE60204764T2 (de
Inventor
Stefan Popescu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Application granted granted Critical
Publication of DE60204764D1 publication Critical patent/DE60204764D1/de
Publication of DE60204764T2 publication Critical patent/DE60204764T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4021—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/40—Imaging
    • G01N2223/419—Imaging computed tomograph

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Chemical & Material Sciences (AREA)
  • Biophysics (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Biomedical Technology (AREA)
  • Biochemistry (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Measurement Of Radiation (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
DE60204764T 2001-04-12 2002-03-28 Verfahren und vorrichtung zur messung der position, form, grösse und intensitätsverteilung eines effektiven röntgenröhrenfokus Expired - Fee Related DE60204764T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/834,289 US6652143B2 (en) 2001-04-12 2001-04-12 Method and apparatus for measuring the position, shape, size and intensity distribution of the effective focal spot of an x-ray tube
US834289 2001-04-12
PCT/EP2002/003553 WO2002085079A2 (en) 2001-04-12 2002-03-28 Method and apparatus for measuring the position, shape, size and intensity distribution of the effective focal spot of an x-ray tube

Publications (2)

Publication Number Publication Date
DE60204764D1 true DE60204764D1 (de) 2005-07-28
DE60204764T2 DE60204764T2 (de) 2006-05-11

Family

ID=25266586

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60204764T Expired - Fee Related DE60204764T2 (de) 2001-04-12 2002-03-28 Verfahren und vorrichtung zur messung der position, form, grösse und intensitätsverteilung eines effektiven röntgenröhrenfokus

Country Status (6)

Country Link
US (1) US6652143B2 (de)
EP (1) EP1378148B1 (de)
JP (1) JP2004535559A (de)
DE (1) DE60204764T2 (de)
IL (1) IL157168A0 (de)
WO (1) WO2002085079A2 (de)

Families Citing this family (27)

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Publication number Priority date Publication date Assignee Title
JP3961468B2 (ja) 2003-09-19 2007-08-22 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 放射線計算断層画像装置およびそれに用いる放射線検出器
US6980623B2 (en) * 2003-10-29 2005-12-27 Ge Medical Systems Global Technology Company Llc Method and apparatus for z-axis tracking and collimation
US7286639B2 (en) * 2003-12-12 2007-10-23 Ge Medical Systems Global Technology Company, Llc Focal spot sensing device and method in an imaging system
DE102004025119B4 (de) * 2004-05-21 2012-08-02 Siemens Ag Röntgenstrahler
DE102004052911B4 (de) * 2004-11-02 2010-04-08 Siemens Ag Röntgenstrahler mit einem Strahlergehäuse, Röntgeneinrichtung mit einem derartigen Röntgenstrahler und Computertomographiegerät mit einer derartigen Röntgeneinrichtung
US7623272B2 (en) * 2005-03-22 2009-11-24 General Electric Company Method and system for diagnosing an imaging system
FR2900305A1 (fr) * 2006-04-19 2007-10-26 Gen Electric Procede de stabilisation de la taille d'un foyer d'un tube a rayons x, et tube a rayons x comportant un tel procede
US7409043B2 (en) * 2006-05-23 2008-08-05 General Electric Company Method and apparatus to control radiation tube focal spot size
US7249886B1 (en) * 2006-05-30 2007-07-31 General Electric Company Method and apparatus for measuring effective focal spot parameters of an X-ray source
SE532723C2 (sv) * 2007-05-03 2010-03-23 Lars Lantto Anordning för alstring av röntgenstrålning med stort reellt fokus och behovsanpassat virtuellt fokus
DE102008046723B4 (de) * 2008-09-11 2011-05-12 Siemens Aktiengesellschaft Verfahren zum Betreiben einer Röntgendiagnostikeinrichtung sowie zugehörige Röntgendiagnostikeinrichtung
US8401151B2 (en) * 2009-12-16 2013-03-19 General Electric Company X-ray tube for microsecond X-ray intensity switching
US9116248B2 (en) 2011-02-17 2015-08-25 Analogic Corporation Detector array having effective size larger than actual size
DE102012204427A1 (de) * 2012-03-20 2013-09-26 Siemens Aktiengesellschaft Vermessung des Röntgenstrahlfokus eines Röntgengeräts mittels eines Mehrkantenphantoms
US9484179B2 (en) 2012-12-18 2016-11-01 General Electric Company X-ray tube with adjustable intensity profile
US9224572B2 (en) 2012-12-18 2015-12-29 General Electric Company X-ray tube with adjustable electron beam
US9417194B2 (en) 2013-08-16 2016-08-16 General Electric Company Assessment of focal spot characteristics
CN103499830A (zh) * 2013-10-17 2014-01-08 重庆大学 一种测量微焦点x射线源有效焦点尺寸的方法
JP6711410B2 (ja) * 2016-11-01 2020-06-17 株式会社島津製作所 放射線断層撮影装置の撮像倍率校正方法
CN108937976B (zh) * 2017-05-27 2024-06-21 上海西门子医疗器械有限公司 X射线系统、测量x射线管的焦点的偏移的方法、准直器
EP3413691A1 (de) * 2017-06-08 2018-12-12 Koninklijke Philips N.V. Vorrichtung zur erzeugung von röntgenstrahlen
US10502701B2 (en) 2018-03-30 2019-12-10 General Electric Company Method and system using x-ray pinhole camera for in-situ monitoring of electron beam manufacturing process
US11723609B2 (en) * 2020-08-28 2023-08-15 Argospect Technologies Inc. Spread field imaging collimators for radiation-based imaging and methods of using the same
CN112617876B (zh) * 2020-12-31 2024-01-09 上海联影医疗科技股份有限公司 球管的焦点定位方法、射线探测装置和电子装置
JP2023004560A (ja) * 2021-06-28 2023-01-17 浜松ホトニクス株式会社 Ｘ線焦点形状評価装置およびｘ線焦点形状評価方法
CN114264227B (zh) * 2021-11-26 2023-07-25 武汉联影生命科学仪器有限公司 焦点尺寸和位置的测量装置和方法
CN115060747B (zh) * 2022-04-13 2024-09-24 中国兵器科学研究院宁波分院 一种工业ct系统用x射线源的焦点尺寸定量方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU7255196A (en) * 1995-11-28 1997-06-19 Analogic Corporation Precalibrating x-ray tube focal spot
US6091797A (en) * 1997-10-29 2000-07-18 General Electric Company Methods and apparatus for generating a scout image
US6327329B1 (en) * 1998-08-25 2001-12-04 General Electric Company Methods and apparatus for monitoring detector image quality
US6310938B1 (en) * 1999-08-27 2001-10-30 General Electric Company Methods and apparatus for calibrating CT x-ray beam tracking loop
EP2311527B1 (de) * 2000-02-18 2019-08-28 William Beaumont Hospital Computertomographie mittels konischem Strahl mit flachem Bildgeber
US6343110B1 (en) * 2000-07-25 2002-01-29 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for submillimeter CT slices with increased coverage
US6449340B1 (en) * 2000-07-31 2002-09-10 Analogic Corporation Adjustable x-ray collimator
US6488409B1 (en) * 2001-06-05 2002-12-03 Ge Medical Systems Global Technology Company, Llc X-ray detector image quality test techniques

Also Published As

Publication number Publication date
WO2002085079A2 (en) 2002-10-24
IL157168A0 (en) 2004-02-08
US6652143B2 (en) 2003-11-25
EP1378148A2 (de) 2004-01-07
JP2004535559A (ja) 2004-11-25
DE60204764T2 (de) 2006-05-11
WO2002085079A3 (en) 2003-04-17
EP1378148B1 (de) 2005-06-22
US20020159566A1 (en) 2002-10-31

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee