IL98510A - High-speed, radiation-resistant computerized tomography system that uses flashers made of garnet stones - Google Patents
High-speed, radiation-resistant computerized tomography system that uses flashers made of garnet stonesInfo
- Publication number
- IL98510A IL98510A IL9851091A IL9851091A IL98510A IL 98510 A IL98510 A IL 98510A IL 9851091 A IL9851091 A IL 9851091A IL 9851091 A IL9851091 A IL 9851091A IL 98510 A IL98510 A IL 98510A
- Authority
- IL
- Israel
- Prior art keywords
- scintillator
- garnet
- recited
- luminescent
- chromium
- Prior art date
Links
Classifications
-
- 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
-
- 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
- C09K11/7708—Vanadates; Chromates; Molybdates; Tungstates
-
- 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
- C09K11/7774—Aluminates
-
- 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
- C09K11/7776—Vanadates; Chromates; Molybdates; Tungstates
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/16—Oxides
- C30B29/22—Complex oxides
- C30B29/28—Complex oxides with formula A3Me5O12 wherein A is a rare earth metal and Me is Fe, Ga, Sc, Cr, Co or Al, e.g. garnets
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Metallurgy (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Measurement Of Radiation (AREA)
- Luminescent Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/547,007 US5057692A (en) | 1990-06-29 | 1990-06-29 | High speed, radiation tolerant, CT scintillator system employing garnet structure scintillators |
Publications (2)
Publication Number | Publication Date |
---|---|
IL98510A0 IL98510A0 (en) | 1992-07-15 |
IL98510A true IL98510A (en) | 1994-07-31 |
Family
ID=24182966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL9851091A IL98510A (en) | 1990-06-29 | 1991-06-16 | High-speed, radiation-resistant computerized tomography system that uses flashers made of garnet stones |
Country Status (6)
Country | Link |
---|---|
US (1) | US5057692A (zh) |
EP (1) | EP0471926A3 (zh) |
JP (1) | JPH067165B2 (zh) |
CN (1) | CN1034101C (zh) |
CA (1) | CA2042231A1 (zh) |
IL (1) | IL98510A (zh) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2042147A1 (en) * | 1990-06-29 | 1991-12-30 | Veneta G. Tsoukala | Hole-trap-compensated scintillator material |
CA2042263A1 (en) * | 1990-06-29 | 1991-12-30 | Charles D. Greskovich | Transparent polycrystalline garnets |
US5391876A (en) * | 1990-06-29 | 1995-02-21 | General Electric Company | Hole-trap-compensated scintillator material and computed tomography machine containing the same |
DE69129008T2 (de) * | 1990-07-02 | 1998-08-20 | Varian Associates | Röntgenstrahlentherapiesimulator |
IL96230A0 (en) * | 1990-11-02 | 1991-08-16 | Elscint Ltd | Gantry for nuclear medicine imaging systems |
FR2672691A1 (fr) * | 1991-02-11 | 1992-08-14 | Mouyen Francis | Capteur de radiations ionisantes utilisable dans un systeme d'imagerie radiographique. |
US5332906A (en) * | 1992-08-12 | 1994-07-26 | Martin Marietta Energy Systems, Inc. | Scintillator assembly for alpha radiation detection and an associated method of making |
US6093347A (en) * | 1997-05-19 | 2000-07-25 | General Electric Company | Rare earth X-ray scintillator compositions |
US6458295B1 (en) * | 1997-12-24 | 2002-10-01 | Hitachi Medical Corporation | Phosphors, and radiation detectors and X-ray CT unit made by using the same |
US6498828B2 (en) * | 2000-12-15 | 2002-12-24 | General Electric Company | System and method of computer tomography imaging using a cerium doped lutetium orthosilicate scintillator |
US6480563B2 (en) * | 2000-12-19 | 2002-11-12 | Ge Medical Systems Global Technology Co., Llc | System and method of aligning scintillator crystalline structures for computed tomography imaging |
US6873678B2 (en) | 2000-12-28 | 2005-03-29 | Ge Medical Systems Global Technology Company Llc | Methods and apparatus for computed tomographic cardiac or organ imaging |
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 |
GB0119094D0 (en) * | 2001-08-04 | 2001-09-26 | Bank Of England | Improved luminescent phosphor |
US7008558B2 (en) * | 2001-10-11 | 2006-03-07 | General Electric Company | Terbium or lutetium containing scintillator compositions having increased resistance to radiation damage |
JP2003277191A (ja) * | 2002-03-26 | 2003-10-02 | Japan Science & Technology Corp | Yb混晶酸化物単結晶からなるシンチレータ用発光材料 |
US6859514B2 (en) * | 2003-03-14 | 2005-02-22 | Ge Medical Systems Global Technology Company Llc | CT detector array with uniform cross-talk |
US7279120B2 (en) | 2003-09-04 | 2007-10-09 | Intematix Corporation | Doped cadmium tungstate scintillator with improved radiation hardness |
US7129494B2 (en) * | 2003-09-24 | 2006-10-31 | Radiation Monitoring Devices, Inc. | Very fast doped LaBr3 scintillators and time-of-flight PET |
CA2483953A1 (en) * | 2004-03-19 | 2005-09-19 | Is2 Medical Systems Inc. | A system for medical imaging and a patient support system for medical diagnosis |
US7282713B2 (en) * | 2004-06-10 | 2007-10-16 | General Electric Company | Compositions and methods for scintillator arrays |
US7449128B2 (en) * | 2004-06-21 | 2008-11-11 | General Electric Company | Scintillator nanoparticles and method of making |
WO2006068130A1 (ja) * | 2004-12-21 | 2006-06-29 | Hitachi Metals, Ltd. | 蛍光材料およびその製造方法、蛍光材料を用いた放射線検出器、並びにx線ct装置 |
JP2006233185A (ja) * | 2005-01-27 | 2006-09-07 | Hokushin Ind Inc | 放射線検出用金属ハロゲン化物及びその製造方法並びにシンチレータ及び放射線検出器 |
US7968853B2 (en) * | 2005-04-26 | 2011-06-28 | Koninklijke Philips Electronics N.V. | Double decker detector for spectral CT |
US7591894B2 (en) * | 2006-11-27 | 2009-09-22 | Schlumberger Technology Corporation | LuAP scintillator |
US8008624B2 (en) | 2007-01-16 | 2011-08-30 | General Electric Company | X-ray detector fabrication methods and apparatus therefrom |
US8461535B2 (en) * | 2009-05-20 | 2013-06-11 | Lawrence Livermore National Security, Llc | Phase stable rare earth garnets |
US8907292B2 (en) * | 2009-12-22 | 2014-12-09 | Koninklijke Philips N.V. | Tungstate-based scintillating materials for detecting radiation |
KR101774434B1 (ko) * | 2010-03-31 | 2017-09-04 | 오스람 실바니아 인코포레이티드 | 형광체 및 이를 함유한 led |
CN102838990A (zh) * | 2011-06-21 | 2012-12-26 | 张国生 | 一种白光led用黄色铝酸盐荧光粉材料及其制备方法 |
US9145517B2 (en) | 2012-04-17 | 2015-09-29 | General Electric Company | Rare earth garnet scintillator and method of making same |
JP2014094996A (ja) * | 2012-11-07 | 2014-05-22 | Oxide Corp | シンチレータ材料、シンチレータ、放射線検出器、および医療用機器 |
CN105723246B (zh) * | 2013-06-14 | 2019-01-01 | 田纳西大学研究基金会 | 用于成像应用的具有稳定光输出的辐射检测器 |
CN103409805A (zh) * | 2013-08-13 | 2013-11-27 | 安徽环巢光电科技有限公司 | 一种掺有钕、铈和铬的钇铝石榴石晶体及其制备方法 |
JP6452425B2 (ja) * | 2014-12-11 | 2019-01-16 | 株式会社日立製作所 | 放射線モニタ |
US10150914B2 (en) * | 2015-11-25 | 2018-12-11 | Siemens Medical Solutions Usa, Inc. | Ceramic phoswich with fused optical elements, method of manufacture thereof and articles comprising the same |
CN109937486B (zh) * | 2017-09-28 | 2022-04-05 | 亮锐控股有限公司 | 用于发光器件的波长转换材料 |
JP7220363B2 (ja) * | 2019-03-28 | 2023-02-10 | パナソニックIpマネジメント株式会社 | 波長変換部材、光源装置、及び照明装置 |
JP7296563B2 (ja) * | 2019-05-27 | 2023-06-23 | パナソニックIpマネジメント株式会社 | 発光装置並びにそれを用いた電子機器及び検査方法 |
CH717559A1 (de) * | 2020-06-22 | 2021-12-30 | Brevalor Sarl | Lichtdurchlässiges nachleuchtend lumineszierendes Objekt und dessen Anwendung. |
CN112281215B (zh) * | 2020-09-30 | 2021-06-15 | 中国电子科技集团公司第二十六研究所 | Ce掺杂钆铝镓石榴石结构闪烁晶体提高发光均匀性、降低余晖的方法及晶体材料和探测器 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7806828A (nl) * | 1978-06-26 | 1979-12-28 | Philips Nv | Luminescentiescherm. |
US4413280A (en) * | 1981-04-01 | 1983-11-01 | Xyram Corporation | X-Ray imaging apparatus |
SU1075727A1 (ru) * | 1981-10-01 | 1985-12-30 | Всесоюзный научно-исследовательский институт сельскохозяйственной микробиологии | Монокристаллический люминесцентный и сцинтилл ционный материал |
US4518546A (en) * | 1982-06-18 | 1985-05-21 | General Electric Company | Preparation of yttria-gadolinia ceramic scintillators by sintering and gas hot isostatic pressing |
US4525628A (en) * | 1982-06-18 | 1985-06-25 | General Electric Company | Rare earth ceramic scintillator |
US4571312A (en) * | 1982-06-18 | 1986-02-18 | General Electric Company | Preparation of yttria-gadolinia ceramic scintillators by sintering and gas hot isostatic pressing |
US4466929A (en) * | 1982-06-18 | 1984-08-21 | General Electric Company | Preparation of yttria-gadolinia ceramic scintillators by vacuum hot pressing |
US4473513A (en) * | 1982-06-18 | 1984-09-25 | General Electric Company | Method for sintering high density yttria-gadolinia ceramic scintillators |
US4518545A (en) * | 1982-06-18 | 1985-05-21 | General Electric Company | Method for sintering high density yttria-gadolinia ceramic scintillators |
US4421671A (en) * | 1982-06-18 | 1983-12-20 | General Electric Company | Rare-earth-doped yttria-gadolinia ceramic scintillators |
US4747973A (en) * | 1982-06-18 | 1988-05-31 | General Electric Company | Rare-earth-doped yttria-gadolina ceramic scintillators |
US4466930A (en) * | 1982-06-18 | 1984-08-21 | General Electric Company | Preparation of yttria-gadolinia ceramic scintillators by vacuum hot pressing |
JPS6243585A (ja) * | 1985-08-21 | 1987-02-25 | Toshiba Corp | X線ct用検出器 |
US4802180A (en) * | 1986-04-30 | 1989-01-31 | American Telephone And Telegraph Company, At&T Bell Laboratories | Growth of congruently melting gadolinium scandium gallium garnet |
CS258823B1 (cs) * | 1986-07-15 | 1988-09-16 | Jiri Kvapil | Způaob přípravy detektorů ionizujícího zářeni z monokrystalů hlinítoyttritáhogranátu nebo perovakftu |
DE3704813A1 (de) * | 1987-02-16 | 1988-08-25 | Philips Patentverwaltung | Einkristall auf basis von seltenerdmetall-aluminium-granat |
US4822698A (en) * | 1987-05-15 | 1989-04-18 | Westinghouse Electric Corp. | Seawater power cell |
US4783596A (en) * | 1987-06-08 | 1988-11-08 | General Electric Company | Solid state scintillator and treatment therefor |
-
1990
- 1990-06-29 US US07/547,007 patent/US5057692A/en not_active Expired - Fee Related
-
1991
- 1991-05-09 CA CA002042231A patent/CA2042231A1/en not_active Abandoned
- 1991-05-24 EP EP19910108423 patent/EP0471926A3/en not_active Withdrawn
- 1991-06-16 IL IL9851091A patent/IL98510A/en not_active IP Right Cessation
- 1991-06-28 JP JP3183988A patent/JPH067165B2/ja not_active Expired - Fee Related
- 1991-06-29 CN CN91104320A patent/CN1034101C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH067165B2 (ja) | 1994-01-26 |
EP0471926A3 (en) | 1992-09-16 |
EP0471926A2 (en) | 1992-02-26 |
CN1034101C (zh) | 1997-02-26 |
US5057692A (en) | 1991-10-15 |
JPH04289483A (ja) | 1992-10-14 |
CA2042231A1 (en) | 1991-12-30 |
CN1057664A (zh) | 1992-01-08 |
IL98510A0 (en) | 1992-07-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
KB | Patent renewed | ||
KB | Patent renewed | ||
MM9K | Patent not in force due to non-payment of renewal fees |