DE69718392D1 - Röntgenszintillatoren und Vorrichtungen, die diese enthalten - Google Patents

Röntgenszintillatoren und Vorrichtungen, die diese enthalten

Info

Publication number
DE69718392D1
DE69718392D1 DE69718392T DE69718392T DE69718392D1 DE 69718392 D1 DE69718392 D1 DE 69718392D1 DE 69718392 T DE69718392 T DE 69718392T DE 69718392 T DE69718392 T DE 69718392T DE 69718392 D1 DE69718392 D1 DE 69718392D1
Authority
DE
Germany
Prior art keywords
devices containing
ray scintillators
scintillators
ray
devices
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 - Lifetime
Application number
DE69718392T
Other languages
English (en)
Other versions
DE69718392T2 (de
Inventor
Michael John Lynch
Charles David Greskovich
Steven Jude Duclos
Alok Mani Srivastava
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of DE69718392D1 publication Critical patent/DE69718392D1/de
Publication of DE69718392T2 publication Critical patent/DE69718392T2/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
    • G21K4/00—Conversion screens for the conversion of the spatial distribution of X-rays or particle radiation into visible images, e.g. fluoroscopic screens
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/50—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare-earth compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7766—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
    • C09K11/7767—Chalcogenides
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7783—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals one of which being europium
    • C09K11/7784—Chalcogenides
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/20—Measuring radiation intensity with scintillation detectors
    • G01T1/202—Measuring radiation intensity with scintillation detectors the detector being a crystal
    • G01T1/2023—Selection of materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Structural Engineering (AREA)
  • Luminescent Compositions (AREA)
  • Measurement Of Radiation (AREA)
DE69718392T 1996-08-16 1997-08-12 Röntgenszintillatoren und Vorrichtungen, die diese enthalten Expired - Lifetime DE69718392T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2409396P 1996-08-16 1996-08-16
US08/858,854 US5882547A (en) 1996-08-16 1997-05-19 X-ray scintillators and devices incorporating them

Publications (2)

Publication Number Publication Date
DE69718392D1 true DE69718392D1 (de) 2003-02-20
DE69718392T2 DE69718392T2 (de) 2003-10-23

Family

ID=26698029

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69718392T Expired - Lifetime DE69718392T2 (de) 1996-08-16 1997-08-12 Röntgenszintillatoren und Vorrichtungen, die diese enthalten

Country Status (4)

Country Link
US (1) US5882547A (de)
EP (1) EP0825161B1 (de)
JP (1) JP3947601B2 (de)
DE (1) DE69718392T2 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6093347A (en) * 1997-05-19 2000-07-25 General Electric Company Rare earth X-ray scintillator compositions
US6384417B1 (en) * 1998-09-30 2002-05-07 Kabushiki Kaisha Toshiba Ceramic scintillator, method for producing same, and x-ray detector and x-ray CT imaging equipment using same
NL1014401C2 (nl) * 2000-02-17 2001-09-04 Stichting Tech Wetenschapp Ceriumhoudend anorganisch scintillatormateriaal.
US6630675B2 (en) 2000-07-26 2003-10-07 Siemens Medical Solutions Usa, Inc. X-ray scintillator compositions for X-ray imaging applications
US6585913B2 (en) 2001-07-30 2003-07-01 General Electric Company Scintillator compositions of alkali and rare-earth tungstates
DE10238398A1 (de) * 2002-08-22 2004-02-26 Philips Intellectual Property & Standards Gmbh Vorrichtung zur Erzeugung von Bildern und/oder Projektionen
US7576329B2 (en) * 2003-10-17 2009-08-18 General Electric Company Scintillator compositions, and related processes and articles of manufacture
US7084403B2 (en) * 2003-10-17 2006-08-01 General Electric Company Scintillator compositions, and related processes and articles of manufacture
US7449128B2 (en) * 2004-06-21 2008-11-11 General Electric Company Scintillator nanoparticles and method of making
US7202477B2 (en) * 2005-03-04 2007-04-10 General Electric Company Scintillator compositions of cerium halides, and related articles and processes
US7700003B2 (en) * 2005-03-30 2010-04-20 General Electric Company Composition, article, and method
US20060226368A1 (en) * 2005-03-30 2006-10-12 General Electric Company Scintillator compositions based on lanthanide halides and alkali metals, and related methods and articles
US7368719B2 (en) * 2006-06-28 2008-05-06 Ge Homeland Protection, Inc. Scintillating materials, articles employing the same, and methods for their use
US20100230601A1 (en) * 2005-03-30 2010-09-16 General Electric Company Composition, article, and method
US7586252B2 (en) * 2005-05-23 2009-09-08 General Electric Company Phosphor screen and imaging assembly
TWI350828B (en) * 2005-10-31 2011-10-21 Covalent Materials Corp Transparent rare-earth oxide sintered body and manufacturing method thereof
US20070131874A1 (en) * 2005-12-12 2007-06-14 General Electric Company Scintillator materials which are useful for detecting radiation, and related methods and articles
US20070284534A1 (en) * 2006-06-07 2007-12-13 General Electric Company Scintillators for detecting radiation, and related methods and articles
US20080000611A1 (en) * 2006-06-28 2008-01-03 Ronald Scott Bunker Method for Forming Casting Molds
US7541589B2 (en) * 2006-06-30 2009-06-02 General Electric Company Scintillator compositions based on lanthanide halides, and related methods and articles
US20080131347A1 (en) * 2006-12-04 2008-06-05 General Electric Company Scintillation compositions and method of manufacture thereof
US20080131348A1 (en) 2006-12-04 2008-06-05 General Electric Company Scintillation compositions and method of manufacture thereof
US7608829B2 (en) * 2007-03-26 2009-10-27 General Electric Company Polymeric composite scintillators and method for making same
US7625502B2 (en) * 2007-03-26 2009-12-01 General Electric Company Nano-scale metal halide scintillation materials and methods for making same
US7708968B2 (en) * 2007-03-26 2010-05-04 General Electric Company Nano-scale metal oxide, oxyhalide and oxysulfide scintillation materials and methods for making same
US20090146065A1 (en) * 2007-12-07 2009-06-11 General Electric Company Scintillator materials based on lanthanide silicates or lanthanide phosphates, and related methods and articles
CN102105557B (zh) * 2008-07-23 2013-11-13 皇家飞利浦电子股份有限公司 用于CT应用中的Gd2O2S材料
US7977267B2 (en) * 2008-12-16 2011-07-12 General Electric Company Wetting resistant materials and articles made therewith
US8872119B2 (en) 2008-12-30 2014-10-28 Saint-Gobain Ceramics & Plastics, Inc. Ceramic scintillator body and scintillation device
US9183962B2 (en) 2008-12-30 2015-11-10 Saint-Gobain Ceramics & Plastics, Inc. Ceramic scintillator body and scintillation device
CN102317409B (zh) 2008-12-30 2016-01-20 圣戈本陶瓷及塑料股份有限公司 陶瓷闪烁体本体和闪烁装置
US8877093B2 (en) 2008-12-30 2014-11-04 Saint-Gobain Ceramics & Plastics, Inc. Ceramic scintillator body and scintillation device
US20130015651A1 (en) 2011-07-15 2013-01-17 Honeywell International Inc. Luminescent phosphor compounds, articles including such compounds, and methods for their production and use
US9322935B2 (en) 2011-07-28 2016-04-26 Koninklijke Philips N.V. Terbium based detector scintillator
US9238773B2 (en) 2011-09-22 2016-01-19 Lawrence Livermore National Security, Llc Lutetium oxide-based transparent ceramic scintillators

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3322682A (en) * 1965-04-23 1967-05-30 American Potash & Chem Corp Rare earth oxide and vanadate phosphors
IL68676A (en) * 1982-06-18 1986-07-31 Gen Electric Rare-earth-doped yttria gadolinia ceramic scintillators and methods for making
US4518545A (en) * 1982-06-18 1985-05-21 General Electric Company Method for sintering high density yttria-gadolinia ceramic scintillators
US4747973A (en) * 1982-06-18 1988-05-31 General Electric Company Rare-earth-doped yttria-gadolina ceramic scintillators
US4473513A (en) * 1982-06-18 1984-09-25 General Electric Company Method for sintering high density yttria-gadolinia ceramic scintillators
US4466929A (en) * 1982-06-18 1984-08-21 General Electric Company Preparation of yttria-gadolinia ceramic scintillators by vacuum hot pressing
US4525628A (en) * 1982-06-18 1985-06-25 General Electric Company Rare earth ceramic scintillator
IL68641A (en) * 1982-06-18 1986-03-31 Gen Electric Rare-earth-doped yttriagadolinia ceramic scintillators and methods for making them
US4421671A (en) * 1982-06-18 1983-12-20 General Electric Company Rare-earth-doped yttria-gadolinia ceramic scintillators
US4571312A (en) * 1982-06-18 1986-02-18 General Electric Company Preparation of yttria-gadolinia ceramic scintillators by sintering and gas hot isostatic pressing
US4518546A (en) * 1982-06-18 1985-05-21 General Electric Company Preparation of yttria-gadolinia ceramic scintillators by sintering and gas hot isostatic pressing
US4466930A (en) * 1982-06-18 1984-08-21 General Electric Company Preparation of yttria-gadolinia ceramic scintillators by vacuum hot pressing
IL80333A (en) * 1985-12-30 1991-01-31 Gen Electric Radiation detector employing solid state scintillator material and preparation methods therefor
US4755492A (en) * 1986-10-06 1988-07-05 General Electric Company Yttrium oxide ceramic body
US4769353A (en) * 1986-11-04 1988-09-06 General Electric Company Strontium-containing yttrium oxide ceramic body
US4783596A (en) * 1987-06-08 1988-11-08 General Electric Company Solid state scintillator and treatment therefor
US5100598A (en) * 1991-02-19 1992-03-31 General Electric Company Method of forming yttria-gadolinia ceramic scintillator from ammonium dispersed oxalate precipitates

Also Published As

Publication number Publication date
JP3947601B2 (ja) 2007-07-25
EP0825161B1 (de) 2003-01-15
DE69718392T2 (de) 2003-10-23
US5882547A (en) 1999-03-16
EP0825161A1 (de) 1998-02-25
JPH10213665A (ja) 1998-08-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: ROEGER UND KOLLEGEN, 73728 ESSLINGEN