EP1089297A3 - Gitter zur Absorption von Röntgenstrahlung - Google Patents

Gitter zur Absorption von Röntgenstrahlung Download PDF

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Publication number
EP1089297A3
EP1089297A3 EP00203370A EP00203370A EP1089297A3 EP 1089297 A3 EP1089297 A3 EP 1089297A3 EP 00203370 A EP00203370 A EP 00203370A EP 00203370 A EP00203370 A EP 00203370A EP 1089297 A3 EP1089297 A3 EP 1089297A3
Authority
EP
European Patent Office
Prior art keywords
grid
comb
ray absorption
webs
robustness
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.)
Granted
Application number
EP00203370A
Other languages
English (en)
French (fr)
Other versions
EP1089297B1 (de
EP1089297A2 (de
Inventor
Peter Flisikowski
Stefan Dr. Schneider
Josef Dr. Lauter
Herfried Dr. Wieczorek
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.)
Philips Intellectual Property and Standards GmbH
Koninklijke Philips NV
Original Assignee
Philips Intellectual Property and Standards GmbH
Koninklijke Philips Electronics NV
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 Philips Intellectual Property and Standards GmbH, Koninklijke Philips Electronics NV filed Critical Philips Intellectual Property and Standards GmbH
Publication of EP1089297A2 publication Critical patent/EP1089297A2/de
Publication of EP1089297A3 publication Critical patent/EP1089297A3/de
Application granted granted Critical
Publication of EP1089297B1 publication Critical patent/EP1089297B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G21K1/025—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using multiple collimators, e.g. Bucky screens; other devices for eliminating undesired or dispersed radiation

Abstract

Ein Gitter (3) mit elektromagnetische Strahlung absorbierenden, zur Gitterbildung dienenden Kammelementen (12), wird zur Erhöhung der Robustheit und der Streustrahlenunterdrückungsqualität dadurch gebildet, dass Kammstege (11) quer zu einer zugehörigen, die Kammstege (11) tragenden Kammbasisfläche verlaufen.
EP00203370A 1999-10-02 2000-09-26 Gitter zur Absorption von Röntgenstrahlung Expired - Lifetime EP1089297B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19947537A DE19947537A1 (de) 1999-10-02 1999-10-02 Gitter zur Absorption von Röntgenstrahlung
DE19947537 1999-10-02

Publications (3)

Publication Number Publication Date
EP1089297A2 EP1089297A2 (de) 2001-04-04
EP1089297A3 true EP1089297A3 (de) 2004-02-04
EP1089297B1 EP1089297B1 (de) 2008-10-15

Family

ID=7924303

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00203370A Expired - Lifetime EP1089297B1 (de) 1999-10-02 2000-09-26 Gitter zur Absorption von Röntgenstrahlung

Country Status (4)

Country Link
US (1) US6363136B1 (de)
EP (1) EP1089297B1 (de)
JP (1) JP2001137234A (de)
DE (2) DE19947537A1 (de)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10009285A1 (de) * 2000-02-28 2001-08-30 Philips Corp Intellectual Pty Computertomograph zur Ermittlung des Impulsübertrags-Spektrums in einem Untersuchungsbereich
DE10202987A1 (de) * 2002-01-26 2003-07-31 Philips Intellectual Property Gitter zur Absorption von Röntgenstrahlung
ATE408227T1 (de) * 2003-06-01 2008-09-15 Koninkl Philips Electronics Nv Röntgenlicht-kollimator mit antistreu-wirkung für ct scanner
US20050017182A1 (en) * 2003-07-25 2005-01-27 Siemens Medical Solutions Usa, Inc. Registered collimator device for nuclear imaging camera and method of forming the same
CN1849672B (zh) * 2003-09-12 2010-09-29 皇家飞利浦电子股份有限公司 用于准直电磁辐射的装置及其方法
FR2866438B1 (fr) * 2004-02-16 2006-08-11 Agence Spatiale Europeenne Element optique reflecteur, son procede de fabrication, et instrument optique mettant en oeuvre de tels elements
DE102004027158B4 (de) * 2004-06-03 2010-07-15 Siemens Ag Verfahren zur Herstellung eines Streustrahlenrasters oder Kollimators aus absorbierendem Material
DE102004035943B4 (de) * 2004-07-23 2007-11-08 GE Homeland Protection, Inc., , Newark Röntgencomputertomograph sowie Verfahren zur Untersuchung eines Prüfteils mit einem Röntgencomputertomographen
DE602006011805D1 (de) * 2005-04-15 2010-03-11 Toshiba Kk Kollimator für eine Röntgen CT Vorrichtung und Röntgen CT Vorrichtung
DE102005044650B4 (de) * 2005-09-19 2008-07-10 Siemens Ag Streustahlenraster mit einer zellenartigen Struktur von Strahlungskanälen und Verfahren zur Herstellung eines solchen Streustrahlenrasters
US20090323899A1 (en) * 2005-09-19 2009-12-31 Koninklijke Philips Electronics N. V. Grid for selective absorption of electromagnetic radiation and method for its manufacture
JP4417898B2 (ja) * 2005-09-26 2010-02-17 株式会社東芝 Ｘ線ｃｔ装置の製造方法
US7362849B2 (en) * 2006-01-04 2008-04-22 General Electric Company 2D collimator and detector system employing a 2D collimator
US8086010B2 (en) * 2006-06-30 2011-12-27 Kabushiki Kaisha Toshiba Medical image diagnosis apparatus and the control method thereof
EP2041757B1 (de) * 2006-07-07 2010-09-29 Koninklijke Philips Electronics N.V. Gitter zur selektiven übertragung elektromagnetischer strahlung mit einem durch selektive lasersinterung erzeugten strukturelement
WO2008104972A1 (en) * 2007-02-26 2008-09-04 Fiberzone Networks Ltd. Optical crossbar switch
WO2010044008A1 (en) * 2008-10-13 2010-04-22 Philips Intellectual Property & Standards Gmbh Grid and method of manufacturing a grid for selective transmission of electromagnetic radiation, particularly x-ray radiation for mammography applications
JP5148529B2 (ja) * 2009-02-19 2013-02-20 三菱重工業株式会社 放射線コリメータ及びこれを備えた放射線検出器
JP5405866B2 (ja) * 2009-03-24 2014-02-05 株式会社東芝 コリメータ、放射線検出器、及びｘ線ｃｔ装置
DE102009052627B4 (de) * 2009-11-10 2012-07-12 Siemens Aktiengesellschaft Streustrahlungskollimator und Verfahren zur Herstellung eines Streustrahlungskollimators
FR2954127B1 (fr) * 2009-12-22 2015-10-30 Oreal Agent de coloration et/ou de decoloration des fibres keratiniques en deux parties, comprenant un corps gras et un agent sequestrant.
JP5896999B2 (ja) * 2010-06-28 2016-03-30 パウル・シェラー・インスティトゥート Ｘ線装置
JP5667798B2 (ja) * 2010-06-29 2015-02-12 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー コリメータモジュール、多列ｘ線検出器及びｘ線ｃｔ装置
US9048002B2 (en) * 2010-10-08 2015-06-02 Turtle Bay Partners, Llc Three-dimensional focused anti-scatter grid and method for manufacturing thereof
JP2013545082A (ja) * 2010-10-08 2013-12-19 タートル・ベイ・パートナーズ，エルエルシー ３次元散乱防止集束グリッド、及び同グリッドの製造方法
US20120087462A1 (en) * 2010-10-12 2012-04-12 Abdelaziz Ikhlef Hybrid collimator for x-rays and method of making same
JP5674507B2 (ja) * 2011-02-28 2015-02-25 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー ２次元コリメータモジュール、ｘ線検出器、ｘ線ｃｔ装置、２次元コリメータモジュールの組立て方法、および２次元コリメータ装置の製造方法。
DE102011103851B4 (de) 2011-05-26 2019-05-29 Siemens Healthcare Gmbh Gittermodul eines Streustrahlungsgitters, modulares Streustrahlungsgitter, CT-Detektor und CT-System
US8976935B2 (en) * 2012-12-21 2015-03-10 General Electric Company Collimator grid and an associated method of fabrication
CN104057083B (zh) * 2013-03-22 2016-02-24 通用电气公司 用于制造以高熔点金属材料为基材的零件的方法
DE102014218462A1 (de) * 2014-09-15 2016-03-17 Siemens Aktiengesellschaft Verfahren zur Herstellung eines Kollimatormoduls und Verfahren zur Herstellung einer Kollimatorbrücke sowie Kollimatormodul, Kollimatorbrücke, Kollimator und Tomographiegerät
US9993219B2 (en) * 2015-03-18 2018-06-12 The Board Of Trustees Of The Leland Stanford Junior University X-ray anti-scatter grid with varying grid ratio
CN106226916A (zh) * 2016-07-26 2016-12-14 中国科学院高能物理研究所 光学准直器及其加工方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3790782A (en) * 1968-03-25 1974-02-05 Hitachi Ltd Topographic radioisotope camera having an adjustable collimator thereon
US3988589A (en) * 1975-07-28 1976-10-26 Engineering Dynamics Corporation Methods of collimator fabrication
US5099134A (en) * 1988-05-27 1992-03-24 Kabushiki Kaisha Toshiba Collimator and a method of producing a collimator for a scintillator
DE4305475C1 (de) * 1993-02-23 1994-09-01 Siemens Ag Streustrahlenraster eines Röntgendiagnostikgerätes
US5949850A (en) * 1997-06-19 1999-09-07 Creatv Microtech, Inc. Method and apparatus for making large area two-dimensional grids

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4057726A (en) * 1975-12-22 1977-11-08 G. D. Searle & Co. Collimator trans-axial tomographic scintillation camera
SE423458B (sv) * 1980-09-10 1982-05-03 Agne Larsson Anordning vid en kamera innefattande en manghalskollimator
JPS59152477U (ja) * 1983-03-31 1984-10-12 株式会社島津製作所 シンチレ−シヨンカメラのコンバ−ジングコリメ−タ
JPS6034018A (ja) * 1983-08-06 1985-02-21 Canon Inc Ｘ線コリメ−タと露光装置
US4951305A (en) * 1989-05-30 1990-08-21 Eastman Kodak Company X-ray grid for medical radiography and method of making and using same
JPH04116491A (ja) * 1990-09-07 1992-04-16 Toshiba Corp シンチレータ用コリメータ
JPH04130874A (ja) * 1990-09-21 1992-05-01 Toshiba Corp Ｘ線撮影装置
FI85775C (fi) * 1990-11-22 1992-05-25 Planmed Oy Foerfarande och anordning vid roentgenteknik.
JPH04297899A (ja) * 1991-03-27 1992-10-21 Toshiba Corp コリメータ製造方法及び該製造方法で得るコリメータ
JPH09129857A (ja) * 1995-10-27 1997-05-16 Toshiba Medical Eng Co Ltd ２次元ｘ線検出器
JP3730319B2 (ja) * 1996-06-21 2006-01-05 株式会社東芝 Ｘ線コンピュータ断層撮影装置
US6055296A (en) * 1996-09-20 2000-04-25 Ferlic; Daniel J. Radiographic grid with reduced lamellae density artifacts
US5721761A (en) * 1996-09-20 1998-02-24 Ferlic; Daniel J. Radiographic grid with reduced lamellae density artifacts
JPH1184014A (ja) * 1997-09-05 1999-03-26 Shimadzu Corp ２次元アレイ型放射線検出器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3790782A (en) * 1968-03-25 1974-02-05 Hitachi Ltd Topographic radioisotope camera having an adjustable collimator thereon
US3988589A (en) * 1975-07-28 1976-10-26 Engineering Dynamics Corporation Methods of collimator fabrication
US5099134A (en) * 1988-05-27 1992-03-24 Kabushiki Kaisha Toshiba Collimator and a method of producing a collimator for a scintillator
DE4305475C1 (de) * 1993-02-23 1994-09-01 Siemens Ag Streustrahlenraster eines Röntgendiagnostikgerätes
US5949850A (en) * 1997-06-19 1999-09-07 Creatv Microtech, Inc. Method and apparatus for making large area two-dimensional grids

Also Published As

Publication number Publication date
US6363136B1 (en) 2002-03-26
JP2001137234A (ja) 2001-05-22
DE19947537A1 (de) 2001-04-05
EP1089297B1 (de) 2008-10-15
EP1089297A2 (de) 2001-04-04
DE50015401D1 (de) 2008-11-27

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