JPH041320B2 - - Google Patents

Info

Publication number
JPH041320B2
JPH041320B2 JP55062916A JP6291680A JPH041320B2 JP H041320 B2 JPH041320 B2 JP H041320B2 JP 55062916 A JP55062916 A JP 55062916A JP 6291680 A JP6291680 A JP 6291680A JP H041320 B2 JPH041320 B2 JP H041320B2
Authority
JP
Japan
Prior art keywords
filter
path
filter element
elements
atomic number
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 - Lifetime
Application number
JP55062916A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55160900A (en
Inventor
Deiin Raribyuaa Fuiritsupu
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.)
Varian Medical Systems Inc
Original Assignee
Varian Associates Inc
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 Varian Associates Inc filed Critical Varian Associates Inc
Publication of JPS55160900A publication Critical patent/JPS55160900A/ja
Publication of JPH041320B2 publication Critical patent/JPH041320B2/ja
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N2005/1092—Details
    • A61N2005/1095—Elements inserted into the radiation path within the system, e.g. filters or wedges

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Pathology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • X-Ray Techniques (AREA)
JP6291680A 1979-05-14 1980-05-14 Multiielement xxray equalizing filter Granted JPS55160900A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/039,221 US4286167A (en) 1979-05-14 1979-05-14 Multi-element X-ray equalizing filter

Publications (2)

Publication Number Publication Date
JPS55160900A JPS55160900A (en) 1980-12-15
JPH041320B2 true JPH041320B2 (en:Method) 1992-01-10

Family

ID=21904318

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6291680A Granted JPS55160900A (en) 1979-05-14 1980-05-14 Multiielement xxray equalizing filter

Country Status (3)

Country Link
US (1) US4286167A (en:Method)
JP (1) JPS55160900A (en:Method)
DE (1) DE3017745A1 (en:Method)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4343997A (en) * 1980-07-14 1982-08-10 Siemens Medical Laboratories, Inc. Collimator assembly for an electron accelerator
JPS6086499A (ja) * 1983-10-18 1985-05-16 三菱電機株式会社 放射線発生装置のくさび形フイルタ
NL8304398A (nl) * 1983-12-22 1985-07-16 Philips Nv Roentgenonderzoekapparaat met selectief filter.
EP0157129A1 (en) * 1984-02-21 1985-10-09 Siemens Aktiengesellschaft Electron accelerator
US4672648A (en) * 1985-10-25 1987-06-09 Picker International, Inc. Apparatus and method for radiation attenuation
FR2654917A1 (fr) * 1989-11-24 1991-05-31 Gen Electric Cgr Appareil de radiologie avec filtre d'homogeneisation.
US5107529A (en) * 1990-10-03 1992-04-21 Thomas Jefferson University Radiographic equalization apparatus and method
US5204886A (en) * 1991-12-06 1993-04-20 Hughes Danbury Optical Systems, Inc. Method of improving an x-ray lithography beamline uniformity
US6320938B1 (en) 1998-10-28 2001-11-20 F & L Medical Products Method of X-ray protection during diagnostic CT imaging
US20040015073A1 (en) * 2002-04-26 2004-01-22 Michael Schell Target repositioning error correction filter and method
JP4911373B2 (ja) * 2009-11-26 2012-04-04 横河電機株式会社 Ｘ線測定装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2405444A (en) * 1942-08-05 1946-08-06 Moreau Santiago Radiographic filter
US3678233A (en) * 1970-04-02 1972-07-18 Us Health Education & Welfare Standardized set of compensating filters for mantle-field radiation therapy
DE2030624B2 (de) * 1970-06-22 1980-10-09 Irmgard Fischer-Elektronik Konstruktionsbuero Und Werkstaetten Fuer Elektro- Und Vakuumtechnik, 7801 Voerstetten Röntgenstrahier mit einer Hohlanoden-Röntgenröhre für zahnmedizinische Röntgenaufnahmen
CA1009382A (en) * 1974-12-18 1977-04-26 Her Majesty In Right Of Canada As Represented By Atomic Energy Of Canada Limited X-ray beam flattener
US4109154A (en) * 1977-03-18 1978-08-22 Applied Radiation X-ray beam compensation
US4121109A (en) * 1977-04-13 1978-10-17 Applied Radiation Corporation Electron accelerator with a target exposed to the electron beam

Also Published As

Publication number Publication date
JPS55160900A (en) 1980-12-15
DE3017745A1 (de) 1980-11-27
US4286167A (en) 1981-08-25

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