CA1219970A - Radiation scatter apparatus and method - Google Patents

Radiation scatter apparatus and method

Info

Publication number
CA1219970A
CA1219970A CA000450152A CA450152A CA1219970A CA 1219970 A CA1219970 A CA 1219970A CA 000450152 A CA000450152 A CA 000450152A CA 450152 A CA450152 A CA 450152A CA 1219970 A CA1219970 A CA 1219970A
Authority
CA
Canada
Prior art keywords
radiation
values
density
overlay
source
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
Application number
CA000450152A
Other languages
English (en)
French (fr)
Inventor
John L. Molbert
Eddie R. Riddle
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.)
Troxler Electronic Laboratories Inc
Original Assignee
Troxler Electronic Laboratories 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 Troxler Electronic Laboratories Inc filed Critical Troxler Electronic Laboratories Inc
Application granted granted Critical
Publication of CA1219970A publication Critical patent/CA1219970A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00Investigating 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
    • G01N23/20Investigating 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
    • G01N23/203Measuring back scattering
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B15/00Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
    • G01B15/02Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons for measuring thickness

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
  • Radiation-Therapy Devices (AREA)
  • Measurement Of Radiation (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
CA000450152A 1983-03-22 1984-03-21 Radiation scatter apparatus and method Expired CA1219970A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US477,820 1983-03-22
US06/477,820 US4525854A (en) 1983-03-22 1983-03-22 Radiation scatter apparatus and method

Publications (1)

Publication Number Publication Date
CA1219970A true CA1219970A (en) 1987-03-31

Family

ID=23897498

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000450152A Expired CA1219970A (en) 1983-03-22 1984-03-21 Radiation scatter apparatus and method

Country Status (11)

Country Link
US (1) US4525854A (cg-RX-API-DMAC7.html)
EP (1) EP0120676B1 (cg-RX-API-DMAC7.html)
JP (1) JPS59218941A (cg-RX-API-DMAC7.html)
AT (1) ATE40750T1 (cg-RX-API-DMAC7.html)
AU (1) AU557007B2 (cg-RX-API-DMAC7.html)
CA (1) CA1219970A (cg-RX-API-DMAC7.html)
DE (1) DE3476698D1 (cg-RX-API-DMAC7.html)
ES (1) ES8607546A1 (cg-RX-API-DMAC7.html)
IL (1) IL71299A (cg-RX-API-DMAC7.html)
NZ (1) NZ207628A (cg-RX-API-DMAC7.html)
ZA (1) ZA842056B (cg-RX-API-DMAC7.html)

Families Citing this family (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU578501B2 (en) * 1984-02-09 1988-10-27 Kawasaki Steel Corporation Method of determining thickness and composition of alloy film
US4641030A (en) * 1984-12-13 1987-02-03 Troxler Electronic Laboratories, Inc. Apparatus and method for directly measuring the density of a thin layer
EP0244498B1 (de) * 1986-05-06 1991-06-12 Siemens Aktiengesellschaft Anordnung und Verfahren zur Ermittelung der Berechtigung von Personen durch Überprüfen ihrer Fingerabdrücke
US4979197A (en) * 1986-05-22 1990-12-18 Troxler Electronic Laboratories, Inc. Nuclear radiation apparatus and method for dynamically measuring density of test materials during compaction
AU586762B2 (en) * 1986-12-25 1989-07-20 Institut Gornogo Dela Imeni A.A. Skochinskogo Monitoring hidden coal-rock interface
US4766319A (en) * 1987-02-12 1988-08-23 Troxler Electronic Laboratories, Inc. Portable nuclear moisture-density gauge with low activity nuclear sources
AU630933B2 (en) * 1987-03-31 1992-11-12 Adaptive Technologies Inc. Thickness/density measuring apparatus
FR2629914B1 (fr) * 1988-04-06 1991-09-06 Aerospatiale Procede et dispositif pour determiner la masse volumique d'un volume elementaire de matiere
GB9417419D0 (en) 1994-08-30 1994-10-19 Mackenzie Innes Method of measuring film thickness and monitoring liquid flow using backscattered x-rays and gamma-rays
GB2323440A (en) * 1997-03-17 1998-09-23 Johnson & Johnson Medical Measuring thickness of a layer within a body
US6190917B1 (en) 1998-03-20 2001-02-20 Cem Corporation Microwave apparatus and method for analysis of asphalt-aggregate compositions
US6207462B1 (en) 1998-03-20 2001-03-27 Cem Corporation Microwave apparatus and method for analysis of asphalt-aggregate compositions
US6320933B1 (en) * 1998-11-30 2001-11-20 American Science And Engineering, Inc. Multiple scatter system for threat identification
DE60036200T2 (de) 1999-03-03 2008-05-21 Troxler Electronic Laboratories, Inc. Nukleares messgerät zur bestimmung der dichte dünner lagen
US6284986B1 (en) * 1999-03-15 2001-09-04 Seh America, Inc. Method of determining the thickness of a layer on a silicon substrate
US6492641B1 (en) * 2000-06-29 2002-12-10 Troxler Electronic Laboratories, Inc. Apparatus and method for gamma-ray determination of bulk density of samples
US6567498B1 (en) 2002-01-10 2003-05-20 Troxler Electronic Laboratories, Inc. Low activity nuclear density gauge
EP1357382A1 (en) * 2002-04-26 2003-10-29 Rijksuniversiteit te Groningen Method and system for determining a property of a pavement by measuring natural gamma radiation
US8503605B2 (en) 2002-07-23 2013-08-06 Rapiscan Systems, Inc. Four sided imaging system and method for detection of contraband
US9958569B2 (en) 2002-07-23 2018-05-01 Rapiscan Systems, Inc. Mobile imaging system and method for detection of contraband
US7963695B2 (en) 2002-07-23 2011-06-21 Rapiscan Systems, Inc. Rotatable boom cargo scanning system
US8275091B2 (en) 2002-07-23 2012-09-25 Rapiscan Systems, Inc. Compact mobile cargo scanning system
US6995667B2 (en) * 2002-12-23 2006-02-07 Instrotek, Inc. Systems, methods, and computer program products for automatic tracking and/or remote monitoring of nuclear gauges and/or data communication therewith
US6928141B2 (en) 2003-06-20 2005-08-09 Rapiscan, Inc. Relocatable X-ray imaging system and method for inspecting commercial vehicles and cargo containers
US7809109B2 (en) * 2004-04-09 2010-10-05 American Science And Engineering, Inc. Multiple image collection and synthesis for personnel screening
PT1733213E (pt) * 2004-04-09 2010-05-27 American Science & Eng Inc Eliminação de interferências num portal de inspecção por retro dispersão que compreende fontes múltiplas de modo a assegurar que de cada vez só uma fonte emite radiação
US7471764B2 (en) 2005-04-15 2008-12-30 Rapiscan Security Products, Inc. X-ray imaging system having improved weather resistance
EP1932020B1 (en) * 2005-08-30 2017-11-15 Troxler Electronic Laboratories, Inc. Methods, systems, and computer program products for determining a property of construction material
US7605366B2 (en) * 2005-09-21 2009-10-20 Troxler Electronic Laboratories, Inc. Nuclear density gauge
MX2008013595A (es) * 2006-04-21 2009-03-06 American Science & Eng Inc Formacion de imagenes de rayos x de equipaje y de personal utilizando disposiciones de fuentes discretas y multiples haces colimados.
US7526064B2 (en) 2006-05-05 2009-04-28 Rapiscan Security Products, Inc. Multiple pass cargo inspection system
WO2008021807A2 (en) * 2006-08-11 2008-02-21 American Science And Engineering, Inc. X-ray inspection with contemporaneous and proximal transmission and backscatter imaging
US8995619B2 (en) 2010-03-14 2015-03-31 Rapiscan Systems, Inc. Personnel screening system
US8638904B2 (en) 2010-03-14 2014-01-28 Rapiscan Systems, Inc. Personnel screening system
US8576982B2 (en) 2008-02-01 2013-11-05 Rapiscan Systems, Inc. Personnel screening system
US8716650B2 (en) * 2008-01-04 2014-05-06 Troxler Electronic Laboratories, Inc. Nuclear gauges and related methods of assembly
GB0809110D0 (en) 2008-05-20 2008-06-25 Rapiscan Security Products Inc Gantry scanner systems
SG178165A1 (en) * 2009-07-29 2012-03-29 American Science & Eng Inc Top-down x-ray inspection trailer
US8824632B2 (en) 2009-07-29 2014-09-02 American Science And Engineering, Inc. Backscatter X-ray inspection van with top-down imaging
AU2011227496A1 (en) 2010-03-14 2012-10-04 Rapiscan Systems, Inc. Beam forming apparatus
PL3270185T3 (pl) 2011-02-08 2023-06-12 Rapiscan Systems, Inc. Niejawny nadzór z wykorzystaniem wielomodalnościowego wykrywania
US9218933B2 (en) 2011-06-09 2015-12-22 Rapidscan Systems, Inc. Low-dose radiographic imaging system
BR112014019198A2 (pt) 2012-02-03 2021-09-08 Rapiscan Systems, Inc. Sistema de imagiologia de múltiplas vistas de transmissão e espalhamento combinado
US10670740B2 (en) 2012-02-14 2020-06-02 American Science And Engineering, Inc. Spectral discrimination using wavelength-shifting fiber-coupled scintillation detectors
JP6385369B2 (ja) 2013-01-31 2018-09-05 ラピスカン システムズ、インコーポレイテッド 運搬可能な安全性検査システム
US10515731B1 (en) 2013-03-14 2019-12-24 Troxler Electronic Laboratories, Inc. Nuclear Gauge
US11280898B2 (en) 2014-03-07 2022-03-22 Rapiscan Systems, Inc. Radar-based baggage and parcel inspection systems
BR112016020638A2 (pt) 2014-03-07 2018-06-19 Rapiscan Systems, Inc. detetores de ultra banda larga
GB2530394B (en) 2014-07-24 2017-11-22 Johnson Matthey Plc Apparatus for determining thickness of lining layer
BR112017011068A2 (pt) 2014-11-25 2018-07-10 Rapiscan Systems, Inc. sistema de gerenciamento de segurança inteligente
US10168445B2 (en) 2015-03-20 2019-01-01 Rapiscan Systems, Inc. Hand-held portable backscatter inspection system
GB2572700A (en) 2016-09-30 2019-10-09 American Science & Eng Inc X-Ray source for 2D scanning beam imaging
SK8449Y1 (sk) * 2018-05-11 2019-05-06 Fulop Marko Zariadenie na odhaľovanie nelegálnych úkrytov v náklade železnej rudy
GB2590561B (en) 2018-06-20 2021-12-08 American Science & Eng Inc Wavelength-shifting sheet-coupled scintillation detectors
US11079222B2 (en) * 2019-01-30 2021-08-03 Ndc Technologies Inc. Radiation-based thickness gauge
US11175245B1 (en) 2020-06-15 2021-11-16 American Science And Engineering, Inc. Scatter X-ray imaging with adaptive scanning beam intensity
US11340361B1 (en) 2020-11-23 2022-05-24 American Science And Engineering, Inc. Wireless transmission detector panel for an X-ray scanner
JP2022137873A (ja) * 2021-03-09 2022-09-22 東芝Itコントロールシステム株式会社 放射線検査装置
WO2023056156A1 (en) 2021-10-01 2023-04-06 Rapiscan Holdings, Inc. Methods and systems for the concurrent generation of multiple substantially similar x-ray beams
GB2635043A (en) 2022-07-26 2025-04-30 Rapiscan Holdings Inc Methods and systems for performing on-the-fly automatic calibration adjustments of X-ray inspection systems

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2781453A (en) * 1953-02-11 1957-02-12 Univ Cornell Methods and apparatus for determination of characteristics of matter in a surface layer
US2997586A (en) * 1955-08-16 1961-08-22 Serge A Scherbatskoy Gamma ray testing
US2943202A (en) * 1956-01-26 1960-06-28 Curtiss Wright Corp Apparatus for measuring wall thickness or density by radiation detection
US3148279A (en) * 1961-05-04 1964-09-08 Western Electric Co Radiation method of measuring sheath thickness and eccentricity
US3202822A (en) * 1961-11-13 1965-08-24 Phillips Petroleum Co Method of determining density utilizing a gamma ray source and a pair of detectors
US3497691A (en) * 1967-06-30 1970-02-24 Ohmart Corp Dual mode fluorescence and backscatter coating thickness measuring gauge
US3840746A (en) * 1971-12-13 1974-10-08 Applied Invention Corp Gamma ray density probe utilizing a pair of gamma ray sources and a gamma ray detector
JPS5222553B2 (cg-RX-API-DMAC7.html) * 1973-02-20 1977-06-17
US3854042A (en) * 1973-05-10 1974-12-10 A Ott Device for measuring the thickness of layers with a radionuclide irradiating the layer
DE2544354A1 (de) * 1975-10-03 1977-04-14 Siemens Ag Verfahren zur bestimmung der dichte von koerpern mittels durchdingender strahlen und geraet zu seiner durchfuehrung
US4297575A (en) * 1979-08-13 1981-10-27 Halliburton Company Simultaneous gamma ray measurement of formation bulk density and casing thickness

Also Published As

Publication number Publication date
NZ207628A (en) 1988-02-29
US4525854A (en) 1985-06-25
ES8607546A1 (es) 1986-06-01
IL71299A0 (en) 1984-06-29
DE3476698D1 (en) 1989-03-16
JPH0247697B2 (cg-RX-API-DMAC7.html) 1990-10-22
EP0120676A3 (en) 1985-06-12
EP0120676B1 (en) 1989-02-08
ES531211A0 (es) 1986-06-01
ATE40750T1 (de) 1989-02-15
AU557007B2 (en) 1986-11-27
AU2598684A (en) 1984-09-27
IL71299A (en) 1988-11-15
ZA842056B (en) 1984-10-31
EP0120676A2 (en) 1984-10-03
JPS59218941A (ja) 1984-12-10

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