FR2088186A1 - Adjustable iris for ionising radiation beams- with at least two pairs - sliding shutters of protective material - Google Patents

Adjustable iris for ionising radiation beams- with at least two pairs - sliding shutters of protective material

Info

Publication number
FR2088186A1
FR2088186A1 FR7019114A FR7019114A FR2088186A1 FR 2088186 A1 FR2088186 A1 FR 2088186A1 FR 7019114 A FR7019114 A FR 7019114A FR 7019114 A FR7019114 A FR 7019114A FR 2088186 A1 FR2088186 A1 FR 2088186A1
Authority
FR
France
Prior art keywords
pairs
protective material
radiation beams
ionising radiation
adjustable iris
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.)
Pending
Application number
FR7019114A
Other languages
French (fr)
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.)
ATOVMIAN ARTASCHES
LITVAN ABRAM
MAZANKO BORIS
Original Assignee
ATOVMIAN ARTASCHES
LITVAN ABRAM
MAZANKO BORIS
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 ATOVMIAN ARTASCHES, LITVAN ABRAM, MAZANKO BORIS filed Critical ATOVMIAN ARTASCHES
Priority to FR7019114A priority Critical patent/FR2088186A1/en
Publication of FR2088186A1 publication Critical patent/FR2088186A1/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F5/00—Transportable or portable shielded containers
    • G21F5/02—Transportable or portable shielded containers with provision for restricted exposure of a radiation source within the container
    • G21F5/04—Means for controlling exposure, e.g. time, size of aperture
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/02—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
    • G21K1/04—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Particle Accelerators (AREA)

Abstract

At least two pairs of shutters sliding side by side but in opposite directions and with right angled notches in their inside edges are adjusted so as to vary the size and shape of the aperture. They are made of materials which protect against the radiation i.e. absorbs it.
FR7019114A 1970-05-26 1970-05-26 Adjustable iris for ionising radiation beams- with at least two pairs - sliding shutters of protective material Pending FR2088186A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7019114A FR2088186A1 (en) 1970-05-26 1970-05-26 Adjustable iris for ionising radiation beams- with at least two pairs - sliding shutters of protective material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7019114A FR2088186A1 (en) 1970-05-26 1970-05-26 Adjustable iris for ionising radiation beams- with at least two pairs - sliding shutters of protective material

Publications (1)

Publication Number Publication Date
FR2088186A1 true FR2088186A1 (en) 1972-01-07

Family

ID=9056115

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7019114A Pending FR2088186A1 (en) 1970-05-26 1970-05-26 Adjustable iris for ionising radiation beams- with at least two pairs - sliding shutters of protective material

Country Status (1)

Country Link
FR (1) FR2088186A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2524690A1 (en) * 1982-03-30 1983-10-07 Cgr Mev Collimator with divergent aperture for beam of particles - esp. for neutron therapy, using stacks of lead or tungsten blocks moved synchronously to vary area of aperture
WO2008011900A1 (en) * 2006-07-27 2008-01-31 Deutsches Krebsforschungszentrum Stiftung des öffentlichen Rechts Irradiation device and collimator
KR100897051B1 (en) 2007-08-14 2009-05-14 도이체스 크렙스포르슝스첸트룸 Irradiation device and collimator

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2524690A1 (en) * 1982-03-30 1983-10-07 Cgr Mev Collimator with divergent aperture for beam of particles - esp. for neutron therapy, using stacks of lead or tungsten blocks moved synchronously to vary area of aperture
WO2008011900A1 (en) * 2006-07-27 2008-01-31 Deutsches Krebsforschungszentrum Stiftung des öffentlichen Rechts Irradiation device and collimator
US7783007B2 (en) 2006-07-27 2010-08-24 Deutsches Krebsforschungszentrum Stiftung des öeffentlichen Rechts Irradiation device and collimator
CN101223608B (en) * 2006-07-27 2012-07-04 德国癌症研究公共权益基金会 Irradiation unit and collimator
KR100897051B1 (en) 2007-08-14 2009-05-14 도이체스 크렙스포르슝스첸트룸 Irradiation device and collimator

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