BR112022001635A2 - Roda de corte de raio x fechada - Google Patents

Roda de corte de raio x fechada

Info

Publication number
BR112022001635A2
BR112022001635A2 BR112022001635A BR112022001635A BR112022001635A2 BR 112022001635 A2 BR112022001635 A2 BR 112022001635A2 BR 112022001635 A BR112022001635 A BR 112022001635A BR 112022001635 A BR112022001635 A BR 112022001635A BR 112022001635 A2 BR112022001635 A2 BR 112022001635A2
Authority
BR
Brazil
Prior art keywords
projection
collimator
planar surface
cutter wheel
central axis
Prior art date
Application number
BR112022001635A
Other languages
English (en)
Inventor
Bradshaw Paul
Original Assignee
Videray Tech 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 Videray Tech Inc filed Critical Videray Tech Inc
Publication of BR112022001635A2 publication Critical patent/BR112022001635A2/pt

Links

Classifications

    • 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
    • G21K1/043—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers changing time structure of beams by mechanical means, e.g. choppers, spinning filter wheels
    • 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
    • G01N23/20—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 using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials
    • G01N23/203—Measuring back scattering
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
    • G01V5/20—Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects
    • G01V5/22—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
    • G01V5/222—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays measuring scattered radiation
    • 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
    • G01N2223/30—Accessories, mechanical or electrical features
    • G01N2223/314—Accessories, mechanical or electrical features chopper

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

A presente invenção refere-se a um conjunto de roda de corte inclui um colimador configurado para restringir um feixe de raios X gerado por uma fonte de energia de raios X, uma roda de corte tem uma superfície planar configurada para facear em uma direção do colimador e um alojamento incluindo uma região interna oca configurada para receber a roda de corte. A roda de corte inclui um eixo central, uma pluralidade de fendas na superfície planar, uma primeira projeção estendendo-se da superfície planar em uma direção do colimador e uma segunda projeção estendendo-se da superfície planar na direção do colimador. As fendas se estendem na direção radialmente para fora em relação ao eixo central. A primeira projeção está localizada radialmente para fora da pluralidade de fendas e a segunda projeção está localizada radialmente pa-ra dentro da pluralidade de fendas. Cada projeção é fornecida para 360 graus em relação ao eixo central. O alojamento inclui uma parede interi-or voltada para a roda de corte e afastada da direção do colimador, a parede interior incluindo uma primeira ranhura configurada para receber a primeira projeção e uma segunda ranhura configurada para receber a segunda projeção com a roda de corte recebida dentro do alojamento.
BR112022001635A 2019-08-02 2020-07-28 Roda de corte de raio x fechada BR112022001635A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962882398P 2019-08-02 2019-08-02
PCT/US2020/043814 WO2021025898A1 (en) 2019-08-02 2020-07-28 Enclosed x-ray chopper wheel

Publications (1)

Publication Number Publication Date
BR112022001635A2 true BR112022001635A2 (pt) 2022-07-12

Family

ID=74503210

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112022001635A BR112022001635A2 (pt) 2019-08-02 2020-07-28 Roda de corte de raio x fechada

Country Status (4)

Country Link
US (2) US11940395B2 (pt)
CN (1) CN114930466A (pt)
BR (1) BR112022001635A2 (pt)
WO (1) WO2021025898A1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
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US20230106014A1 (en) * 2021-10-05 2023-04-06 Viken Detection Corporation Enclosed x-ray chopper wheel
KR102597060B1 (ko) * 2023-05-02 2023-11-01 주식회사 엠아이케이 엑스레이 화물검색기
KR102598302B1 (ko) * 2023-06-09 2023-11-03 주식회사 엠아이케이 양방향 엑스레이 화물검색기

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Also Published As

Publication number Publication date
US20240230560A1 (en) 2024-07-11
CN114930466A (zh) 2022-08-19
US11940395B2 (en) 2024-03-26
WO2021025898A1 (en) 2021-02-11
US20220283103A1 (en) 2022-09-08

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