GB2575898B - Method and apparatus for controlling a focal spot position - Google Patents

Method and apparatus for controlling a focal spot position Download PDF

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Publication number
GB2575898B
GB2575898B GB1905830.4A GB201905830A GB2575898B GB 2575898 B GB2575898 B GB 2575898B GB 201905830 A GB201905830 A GB 201905830A GB 2575898 B GB2575898 B GB 2575898B
Authority
GB
United Kingdom
Prior art keywords
controlling
focal spot
spot position
focal
spot
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
Application number
GB1905830.4A
Other versions
GB2575898A (en
GB201905830D0 (en
Inventor
Erler Marco
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.)
Carl Zeiss Industrielle Messtechnik GmbH
Original Assignee
Carl Zeiss Industrielle Messtechnik GmbH
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 Carl Zeiss Industrielle Messtechnik GmbH filed Critical Carl Zeiss Industrielle Messtechnik GmbH
Publication of GB201905830D0 publication Critical patent/GB201905830D0/en
Publication of GB2575898A publication Critical patent/GB2575898A/en
Application granted granted Critical
Publication of GB2575898B publication Critical patent/GB2575898B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • 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
    • A61B6/58—Testing, adjusting or calibrating thereof
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/28—Measuring radiation intensity with secondary-emission detectors
    • 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
    • H05G1/265—Measurements of current, voltage or power
    • 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
    • H05G1/52—Target size or shape; Direction of electron beam, e.g. in tubes with one anode and more than one cathode
    • 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
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2235/00—X-ray tubes
    • H01J2235/16—Vessels
    • H01J2235/165—Shielding arrangements
    • H01J2235/168—Shielding arrangements against charged particles

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Toxicology (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • X-Ray Techniques (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
GB1905830.4A 2018-04-26 2019-04-26 Method and apparatus for controlling a focal spot position Active GB2575898B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018206514.4A DE102018206514A1 (en) 2018-04-26 2018-04-26 Method and device for controlling a focal spot position

Publications (3)

Publication Number Publication Date
GB201905830D0 GB201905830D0 (en) 2019-06-12
GB2575898A GB2575898A (en) 2020-01-29
GB2575898B true GB2575898B (en) 2022-12-14

Family

ID=68205463

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1905830.4A Active GB2575898B (en) 2018-04-26 2019-04-26 Method and apparatus for controlling a focal spot position

Country Status (2)

Country Link
DE (1) DE102018206514A1 (en)
GB (1) GB2575898B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2946892A (en) * 1958-01-22 1960-07-26 Foerderung Forschung Gmbh Arrangement for controlling and correcting the location of the focal spot produced by a cathode-ray on the target of a roentgen-tube
US20100020938A1 (en) * 2006-12-12 2010-01-28 Koninklijke Philips Electronics N.V. Device and method for x-ray tube focal spot size and position control
WO2011104011A2 (en) * 2010-02-25 2011-09-01 DüRR DENTAL AG X-ray tube and system for producing x-ray images for dental or orthodontic diagnostics
EP2849202A1 (en) * 2012-05-11 2015-03-18 Hamamatsu Photonics K.K. X-ray generation device and x-ray generation method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2946892A (en) * 1958-01-22 1960-07-26 Foerderung Forschung Gmbh Arrangement for controlling and correcting the location of the focal spot produced by a cathode-ray on the target of a roentgen-tube
US20100020938A1 (en) * 2006-12-12 2010-01-28 Koninklijke Philips Electronics N.V. Device and method for x-ray tube focal spot size and position control
WO2011104011A2 (en) * 2010-02-25 2011-09-01 DüRR DENTAL AG X-ray tube and system for producing x-ray images for dental or orthodontic diagnostics
EP2849202A1 (en) * 2012-05-11 2015-03-18 Hamamatsu Photonics K.K. X-ray generation device and x-ray generation method

Also Published As

Publication number Publication date
GB2575898A (en) 2020-01-29
GB201905830D0 (en) 2019-06-12
DE102018206514A1 (en) 2019-10-31

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