JPH10513265A - X線検査システム - Google Patents
X線検査システムInfo
- Publication number
- JPH10513265A JPH10513265A JP8524057A JP52405796A JPH10513265A JP H10513265 A JPH10513265 A JP H10513265A JP 8524057 A JP8524057 A JP 8524057A JP 52405796 A JP52405796 A JP 52405796A JP H10513265 A JPH10513265 A JP H10513265A
- Authority
- JP
- Japan
- Prior art keywords
- ray
- inspection system
- ray inspection
- scattering
- rays
- 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.)
- Ceased
Links
- 238000007689 inspection Methods 0.000 title claims abstract description 56
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 238000004458 analytical method Methods 0.000 claims abstract description 13
- 238000012545 processing Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 15
- 238000000333 X-ray scattering Methods 0.000 claims description 5
- 238000002083 X-ray spectrum Methods 0.000 claims description 5
- 239000013077 target material Substances 0.000 description 22
- 238000001228 spectrum Methods 0.000 description 12
- 239000002360 explosive Substances 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- 230000003595 spectral effect Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 230000001427 coherent effect Effects 0.000 description 7
- 238000003491 array Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 230000005855 radiation Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 239000013076 target substance Substances 0.000 description 3
- 229910052691 Erbium Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052775 Thulium Inorganic materials 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 239000002178 crystalline material Substances 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- 230000005461 Bremsstrahlung Effects 0.000 description 1
- TZRXHJWUDPFEEY-UHFFFAOYSA-N Pentaerythritol Tetranitrate Chemical compound [O-][N+](=O)OCC(CO[N+]([O-])=O)(CO[N+]([O-])=O)CO[N+]([O-])=O TZRXHJWUDPFEEY-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000002591 computed tomography Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012611 container material Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004141 dimensional analysis Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000012732 spatial analysis Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012353 t test Methods 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
-
- 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
- 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
- G01N23/201—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 by measuring small-angle scattering
-
- 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
- G01N23/207—Diffractometry using detectors, e.g. using a probe in a central position and one or more displaceable detectors in circumferential positions
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- High Energy & Nuclear Physics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.検査されるべき物体にその物体を通して投射X線ビームを照射するように配 置されたコリメートされたX線源と;異なる角度で物体を通してコヒレントに散 乱されたX線の強度間を弁別して、それら角度の各々を経て散乱されたX線の強 度に基づく出力信号を発生することのできる検出手段と;前記検出手段と物体と の間に配置され、そして限定されたボクセル深さ及び扇状ビームの限定された弧 から異なる角度でコヒレントに散乱されたX線のみを通過させるためのコリメー ト手段と;前記検出手段に作動的に接続されて、前記出力信号を処理し、1つ以 上の所定の角度を経てコヒレントに散乱されたX線の存在を決定するための分析 手段とを備え;前記X線ビームは、X線の散乱平面に対して垂直な平面において 扇状の形態であり、そして前記コリメート手段及び検出手段は、扇状ビームの巾 にわたってX線を検出するように構成されたことを特徴とするX線検査システム 。 2.前記コリメート手段が、散乱が検出されるボクセルの中心に一致する中心を 有する円の異なる半径に沿って、各々延びる複数のX線減衰材料のシートを備え 、各円及びそれに対応するボクセルの双方が、扇状ビームの平面に対して垂直な 平面内にあることを特徴とする請求の範囲第1項に記載のX線検査システム。 3.前記複数のシートが、同じ小さな角度で互いに離間されたことを特徴とする 請求の範囲第2項に記載のX線検査システム。 4.前記複数のシートが、X線がコヒレントに散乱される異なる角度に対して一 定であるボクセル深さを画定するように、異なる量だけ離間されたことを特徴と する請求の範囲第2項に記載のX線検査システム。 5.前記シートの各々が、扇状ビームの平面に対して垂直な平面内に実質的に完 全に存在することを特徴とする請求の範囲第2項ないし第4項のいずれか一項に 記載のX線検査システム。 6.ビームの中央を中心とする扇状ビームの小さな弧にわたって、前記シートの 各々が、X線ビームが散乱される平面に実質的に完全に垂直に存在するのでは なく、前記平面から、実質的に25°以下の角度にわたり、二次元散乱ボクセル の中心から前記小さな弧の中点へと延びる軸の周りに回転されることを特徴とす る請求の範囲第2項ないし第5項のいずれか一項に記載のX線検査システム。 7.前記回転角度が、5°ないし25°の範囲であることを特徴とする請求の範 囲第6項に記載のX線検査システム。 8.前記回転角度が、約15°であることを特徴とする請求の範囲第7項に記載 のX線検査システム。 9.各シートの回転角度が、散乱ボクセルの中心からの距離とともに、前記軸に 沿って変化することを特徴とする請求の範囲第6項ないし第8項のいずれか一項 に記載のX線検査システム。 10.各シート上の任意の位置における回転角度が、散乱ボクセルの中心からその 位置までの距離に直線的に比例することを特徴とする請求の範囲第9項に記載の X線検査システム。 11.さらに、散乱プロファイルの収集中に、コリメート手段のシートを、扇状ビ ームに垂直であるが二次元散乱ボクセルと同一平面である平面において、対応す る二次元散乱ボクセルの中心の周りで、シートの角度間隔程度の角度にわたって 回転する手段を備えたことを特徴とする請求の範囲第1項ないし第5項のいずれ か一項に記載のX線検査システム。 12.前記回転手段が、散乱プロファイル収集の周期以下である回転移動周期を与 えることを特徴とする請求の範囲第11項に記載のX線検査システム。 13.前記コリメート手段が、検査されるべき物体に対して、非散乱X線ビームの 方向に移動可能で、物体の深さにわたって、ボクセルの位置を変えることができ るように構成されたことを特徴とする請求の範囲第1項ないし第12項のいずれ か一項に記載のX線検査システム。 14.前記検出手段が、コリメート手段と一緒に移動されることを特徴とする請求 の範囲第13項に記載のX線検査システム。 15.前記検出手段が、ある範囲の角度にわたって散乱されたX線を同時に検出し て、角度分散性X線スペクトルを発生させることを特徴とする請求の範囲第1 項ないし第14項のいずれか一項に記載のX線検査システム。 16.前記X線源が、多波長のX線発生器およびそれと協働し得る平衡型フィルタ システムを備えたことを特徴とする請求の範囲第1項ないし第15項のいずれか 一項に記載のX線検査システム。 17.前記検出手段が、前記平衡型フィルタシステムのバンドパス領域内のX線エ ネルギーのみを実質的に感知する検出器を備えたことを特徴とする請求の範囲第 16項に記載のX線検査システム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9502460A GB2297835A (en) | 1995-02-08 | 1995-02-08 | Three dimensional detection of contraband using x rays |
GB9502460.0 | 1995-02-08 | ||
PCT/GB1996/000195 WO1996024863A1 (en) | 1995-02-08 | 1996-01-30 | X-ray inspection system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH10513265A true JPH10513265A (ja) | 1998-12-15 |
Family
ID=10769279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8524057A Ceased JPH10513265A (ja) | 1995-02-08 | 1996-01-30 | X線検査システム |
Country Status (8)
Country | Link |
---|---|
US (1) | US6122344A (ja) |
EP (1) | EP0808468B1 (ja) |
JP (1) | JPH10513265A (ja) |
CN (1) | CN1099033C (ja) |
CA (1) | CA2212514A1 (ja) |
DE (1) | DE69624685T2 (ja) |
GB (1) | GB2297835A (ja) |
WO (1) | WO1996024863A1 (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005504987A (ja) * | 2001-10-03 | 2005-02-17 | アファンティウム・インターナショナル・ベスローテン・フェンノートシャップ | 送波回折分析実施のための方法 |
JP2006526138A (ja) * | 2003-05-31 | 2006-11-16 | カウンシル・フォー・ザ・セントラル・ラボラトリー・オブ・ザ・リサーチ・カウンシルズ | 検出器及び付随コリメータのアレイを具えたトモグラフィックエネルギー分散型x線回折装置 |
JP2008512670A (ja) * | 2004-09-11 | 2008-04-24 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | コヒーレント散乱撮像 |
JP2010281649A (ja) * | 2009-06-03 | 2010-12-16 | Nagoya Electric Works Co Ltd | 放射線検査装置、放射線検査方法および放射線検査プログラム |
KR101303451B1 (ko) * | 2011-06-10 | 2013-09-05 | 한국원자력연구원 | 복수에너지의 전자가속기 및 복수의 X-ray 디텍터를 구비하는 화물 검색장치 |
JP2017520771A (ja) * | 2014-06-30 | 2017-07-27 | コミサリヤ・ア・レネルジ・アトミク・エ・オ・エネルジ・アルテルナテイブ | 散乱スペクトルおよび透過スペクトルを使用して回折法によって物体を解析するための方法およびシステム |
JP2017524926A (ja) * | 2014-06-30 | 2017-08-31 | コミサリヤ・ア・レネルジ・アトミク・エ・オ・エネルジ・アルテルナテイブ | 透過スペクトル次いで散乱スペクトルを使用して2つのステージで物体を解析する方法 |
Families Citing this family (69)
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FR2779545A1 (fr) | 1998-06-08 | 1999-12-03 | Skysafe System | Procede et dispositif de controle de l'integrite d'un bagage de l'embarquement au debarquement |
US6483891B1 (en) * | 1998-09-17 | 2002-11-19 | Quanta Vision, Inc. | Reduced-angle mammography device and variants |
DE19954662B4 (de) * | 1999-11-13 | 2004-06-03 | Smiths Heimann Gmbh | Vorrichtung und Verfahren zum Detektieren von unzulässigen Reisegepäckgegenständen |
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US7200200B2 (en) * | 2001-09-04 | 2007-04-03 | Quality Control, Inc. | X-ray fluorescence measuring system and methods for trace elements |
US6661867B2 (en) * | 2001-10-19 | 2003-12-09 | Control Screening, Llc | Tomographic scanning X-ray inspection system using transmitted and compton scattered radiation |
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- 1996-01-30 CN CN96193114A patent/CN1099033C/zh not_active Expired - Fee Related
- 1996-01-30 CA CA002212514A patent/CA2212514A1/en not_active Abandoned
- 1996-01-30 EP EP96901077A patent/EP0808468B1/en not_active Expired - Lifetime
- 1996-01-30 US US08/875,903 patent/US6122344A/en not_active Expired - Fee Related
- 1996-01-30 DE DE69624685T patent/DE69624685T2/de not_active Expired - Fee Related
- 1996-01-30 WO PCT/GB1996/000195 patent/WO1996024863A1/en active IP Right Grant
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JP2005504987A (ja) * | 2001-10-03 | 2005-02-17 | アファンティウム・インターナショナル・ベスローテン・フェンノートシャップ | 送波回折分析実施のための方法 |
JP2006526138A (ja) * | 2003-05-31 | 2006-11-16 | カウンシル・フォー・ザ・セントラル・ラボラトリー・オブ・ザ・リサーチ・カウンシルズ | 検出器及び付随コリメータのアレイを具えたトモグラフィックエネルギー分散型x線回折装置 |
JP2008512670A (ja) * | 2004-09-11 | 2008-04-24 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | コヒーレント散乱撮像 |
JP2010281649A (ja) * | 2009-06-03 | 2010-12-16 | Nagoya Electric Works Co Ltd | 放射線検査装置、放射線検査方法および放射線検査プログラム |
KR101303451B1 (ko) * | 2011-06-10 | 2013-09-05 | 한국원자력연구원 | 복수에너지의 전자가속기 및 복수의 X-ray 디텍터를 구비하는 화물 검색장치 |
JP2017520771A (ja) * | 2014-06-30 | 2017-07-27 | コミサリヤ・ア・レネルジ・アトミク・エ・オ・エネルジ・アルテルナテイブ | 散乱スペクトルおよび透過スペクトルを使用して回折法によって物体を解析するための方法およびシステム |
JP2017524926A (ja) * | 2014-06-30 | 2017-08-31 | コミサリヤ・ア・レネルジ・アトミク・エ・オ・エネルジ・アルテルナテイブ | 透過スペクトル次いで散乱スペクトルを使用して2つのステージで物体を解析する方法 |
Also Published As
Publication number | Publication date |
---|---|
EP0808468A1 (en) | 1997-11-26 |
DE69624685D1 (de) | 2002-12-12 |
GB2297835A (en) | 1996-08-14 |
DE69624685T2 (de) | 2003-07-03 |
CN1181133A (zh) | 1998-05-06 |
CA2212514A1 (en) | 1996-08-15 |
WO1996024863A1 (en) | 1996-08-15 |
CN1099033C (zh) | 2003-01-15 |
US6122344A (en) | 2000-09-19 |
GB9502460D0 (en) | 1995-03-29 |
EP0808468B1 (en) | 2002-11-06 |
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