DE3865546D1 - Festkoerperszintillator und herstellungsverfahren. - Google Patents

Festkoerperszintillator und herstellungsverfahren.

Info

Publication number
DE3865546D1
DE3865546D1 DE8888108070T DE3865546T DE3865546D1 DE 3865546 D1 DE3865546 D1 DE 3865546D1 DE 8888108070 T DE8888108070 T DE 8888108070T DE 3865546 T DE3865546 T DE 3865546T DE 3865546 D1 DE3865546 D1 DE 3865546D1
Authority
DE
Germany
Prior art keywords
production method
fixed body
scintillator
body scintillator
fixed
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 - Fee Related
Application number
DE8888108070T
Other languages
English (en)
Inventor
Robert Joseph Riedner
Erdogan Omer Gurmen
Charles David Greskovich
Dominic Anthony Cusano
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 DE3865546D1 publication Critical patent/DE3865546D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • C04B35/505—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 based on yttrium oxide
    • 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
    • C09K11/7769—Oxides
    • 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
    • G01T1/161—Applications in the field of nuclear medicine, e.g. in vivo counting
    • G01T1/164—Scintigraphy
    • G01T1/1641—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras
    • G01T1/1644—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras using an array of optically separate scintillation elements permitting direct location of scintillations

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Inorganic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Luminescent Compositions (AREA)
  • Measurement Of Radiation (AREA)
DE8888108070T 1987-06-08 1988-05-20 Festkoerperszintillator und herstellungsverfahren. Expired - Fee Related DE3865546D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/059,426 US4783596A (en) 1987-06-08 1987-06-08 Solid state scintillator and treatment therefor

Publications (1)

Publication Number Publication Date
DE3865546D1 true DE3865546D1 (de) 1991-11-21

Family

ID=22022873

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888108070T Expired - Fee Related DE3865546D1 (de) 1987-06-08 1988-05-20 Festkoerperszintillator und herstellungsverfahren.

Country Status (5)

Country Link
US (1) US4783596A (de)
EP (1) EP0297269B1 (de)
JP (1) JPH0625349B2 (de)
CN (1) CN1020584C (de)
DE (1) DE3865546D1 (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL80333A (en) * 1985-12-30 1991-01-31 Gen Electric Radiation detector employing solid state scintillator material and preparation methods therefor
US5013696A (en) * 1989-09-25 1991-05-07 General Electric Company Preparation of high uniformity polycrystalline ceramics by presintering, hot isostatic pressing and sintering and the resulting ceramic
US5057692A (en) * 1990-06-29 1991-10-15 General Electric Company High speed, radiation tolerant, CT scintillator system employing garnet structure scintillators
CA2042263A1 (en) * 1990-06-29 1991-12-30 Charles D. Greskovich Transparent polycrystalline garnets
US5391884A (en) * 1993-05-24 1995-02-21 Eastman Kodak Company Barium gadolinate phosphor activated by terbium and/or samarium
US5376303A (en) * 1994-06-10 1994-12-27 Nichia Chemical Industries, Ltd. Long Decay phoaphors
US5882547A (en) * 1996-08-16 1999-03-16 General Electric Company X-ray scintillators and devices incorporating them
US6093347A (en) * 1997-05-19 2000-07-25 General Electric Company Rare earth X-ray scintillator compositions
US6630675B2 (en) 2000-07-26 2003-10-07 Siemens Medical Solutions Usa, Inc. X-ray scintillator compositions for X-ray imaging applications
US6437336B1 (en) 2000-08-15 2002-08-20 Crismatec Scintillator crystals and their applications and manufacturing process
US6496250B1 (en) 2000-09-29 2002-12-17 General Electric Company Combinatorial method foe development of optical ceramics
US6448566B1 (en) 2001-03-15 2002-09-10 Ge Medical Systems Global Technology Company, Llc Scintillator arrays for radiation detectors and methods for making same
US8324576B2 (en) 2001-07-13 2012-12-04 Koninklijke Philips Electronics N.V. Nuclear camera with open and flexible software architecture
US6585913B2 (en) 2001-07-30 2003-07-01 General Electric Company Scintillator compositions of alkali and rare-earth tungstates
US6793848B2 (en) * 2001-10-11 2004-09-21 General Electric Company Terbium or lutetium containing garnet scintillators having increased resistance to radiation damage
US7008558B2 (en) * 2001-10-11 2006-03-07 General Electric Company Terbium or lutetium containing scintillator compositions having increased resistance to radiation damage
US6858159B2 (en) 2002-03-28 2005-02-22 General Electric Company Titanium-doped hafnium oxide scintillator and method of making the same
US7054408B2 (en) * 2003-04-30 2006-05-30 General Electric Company CT detector array having non pixelated scintillator array
KR100542262B1 (ko) * 2003-10-22 2006-01-11 한국과학기술원 투광성 다결정질 세라믹 섬광체 조성물 및 그 제조방법
DE10360546A1 (de) * 2003-12-22 2005-07-14 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Leuchtstoff und Lichtquelle mit derartigem Leuchtstoff
US7449128B2 (en) * 2004-06-21 2008-11-11 General Electric Company Scintillator nanoparticles and method of making
FR2874021B1 (fr) 2004-08-09 2006-09-29 Saint Gobain Cristaux Detecteu Materiau scintillateur dense et rapide a faible luminescence retardee
US8008624B2 (en) * 2007-01-16 2011-08-30 General Electric Company X-ray detector fabrication methods and apparatus therefrom
CN101652676B (zh) * 2007-04-12 2013-02-13 皇家飞利浦电子股份有限公司 通过施加次级辐射来减少闪烁体中的陷阱效应
US7977267B2 (en) 2008-12-16 2011-07-12 General Electric Company Wetting resistant materials and articles made therewith
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
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
JP5460067B2 (ja) * 2009-02-09 2014-04-02 株式会社トクヤマ 放射線検出装置
EP3008490B1 (de) * 2013-06-13 2019-10-16 Koninklijke Philips N.V. Detektor für strahlentherapiebehandlungsführung und -überprüfung
DE102014105846A1 (de) * 2014-04-25 2015-10-29 Polysecure Gmbh Kristallines Material, Verfahren zu dessen Herstellung und Verwendung desselben
JP6630879B2 (ja) * 2014-05-01 2020-01-15 株式会社 東北テクノアーチ 発光体及び放射線検出器
CN110863480A (zh) * 2019-12-12 2020-03-06 中国电建集团成都勘测设计研究院有限公司 反滤振冲碎石桩
CN111830550B (zh) * 2020-06-04 2022-09-13 中国科学院上海应用物理研究所 金属有机杂化晶格材料及其在辐照源检测中的应用
CN113805218A (zh) * 2020-06-11 2021-12-17 上海大学 X射线成像探测器用倍半氧化物透明陶瓷闪烁屏及其应用
CN114685166A (zh) * 2022-05-05 2022-07-01 闽都创新实验室 一种闪烁陶瓷及其制备方法和应用

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4032471A (en) * 1975-01-27 1977-06-28 Eastman Kodak Company Process for preparing yttrium oxide and rare earth metal oxide phosphors
US4166831A (en) * 1977-07-11 1979-09-04 Gte Laboratories Incorporated Transparent yttria ceramics and method for producing same
US4315832A (en) * 1979-03-05 1982-02-16 Hughes Aircraft Company Process for increasing laser crystal fluorescence yield by controlled atmosphere processing
US4456487A (en) * 1982-06-10 1984-06-26 Siemens Gammasonics, Inc. Method for cleaning and annealing a thermoluminescent radiation detector crystal
US4421671A (en) * 1982-06-18 1983-12-20 General Electric Company Rare-earth-doped yttria-gadolinia ceramic scintillators
US4518546A (en) * 1982-06-18 1985-05-21 General Electric Company Preparation of yttria-gadolinia ceramic scintillators by sintering and gas hot isostatic pressing
IL68676A (en) * 1982-06-18 1986-07-31 Gen Electric Rare-earth-doped yttria gadolinia ceramic scintillators and methods for making
US4466930A (en) * 1982-06-18 1984-08-21 General Electric Company Preparation of yttria-gadolinia ceramic scintillators by vacuum hot pressing
IL68641A (en) * 1982-06-18 1986-03-31 Gen Electric Rare-earth-doped yttriagadolinia ceramic scintillators and methods for making them
US4473513A (en) * 1982-06-18 1984-09-25 General Electric Company Method for sintering high density yttria-gadolinia ceramic scintillators
US4525628A (en) * 1982-06-18 1985-06-25 General Electric Company Rare earth ceramic scintillator
US4518545A (en) * 1982-06-18 1985-05-21 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
US4587035A (en) * 1985-05-20 1986-05-06 Union Carbide Corporation Process for enhancing Ti:Al2 O3 tunable laser crystal fluorescence by annealing
US4733088A (en) * 1985-09-02 1988-03-22 Hitachi, Ltd. Radiation detector
IL80333A (en) * 1985-12-30 1991-01-31 Gen Electric Radiation detector employing solid state scintillator material and preparation methods therefor

Also Published As

Publication number Publication date
EP0297269A1 (de) 1989-01-04
JPS6454092A (en) 1989-03-01
JPH0625349B2 (ja) 1994-04-06
CN88103386A (zh) 1988-12-28
CN1020584C (zh) 1993-05-12
EP0297269B1 (de) 1991-10-16
US4783596A (en) 1988-11-08

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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

Free format text: SIEB, R., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW., 6947 LAUDENBACH

8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee