DE69409033T2 - Verbessertes Röntgensystem verwendend Phosphoren mit verschiedenen Dichten - Google Patents

Verbessertes Röntgensystem verwendend Phosphoren mit verschiedenen Dichten

Info

Publication number
DE69409033T2
DE69409033T2 DE69409033T DE69409033T DE69409033T2 DE 69409033 T2 DE69409033 T2 DE 69409033T2 DE 69409033 T DE69409033 T DE 69409033T DE 69409033 T DE69409033 T DE 69409033T DE 69409033 T2 DE69409033 T2 DE 69409033T2
Authority
DE
Germany
Prior art keywords
phosphors
improved
different densities
ray system
ray
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
DE69409033T
Other languages
English (en)
Other versions
DE69409033D1 (de
Inventor
Jacob Beutel
Sandra Laurine Issler
Daniel James Mickewich
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.)
Agfa Gevaert NV
Original Assignee
Sterling Diagnostic Imaging Inc
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 Sterling Diagnostic Imaging Inc filed Critical Sterling Diagnostic Imaging Inc
Application granted granted Critical
Publication of DE69409033D1 publication Critical patent/DE69409033D1/de
Publication of DE69409033T2 publication Critical patent/DE69409033T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/16—X-ray, infrared, or ultraviolet ray processes
    • G03C5/17—X-ray, infrared, or ultraviolet ray processes using screens to intensify X-ray images
    • 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
    • C09K11/67—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing refractory metals
    • C09K11/671—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
    • C09K11/67—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing refractory metals
    • C09K11/676—Aluminates; Silicates
    • 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
    • C09K11/67—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing refractory metals
    • C09K11/677—Germanates
    • 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
    • C09K11/7701—Chalogenides
    • 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
    • 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
    • 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
    • G21K2004/06—Conversion screens for the conversion of the spatial distribution of X-rays or particle radiation into visible images, e.g. fluoroscopic screens with a phosphor layer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Conversion Of X-Rays Into Visible Images (AREA)
  • Luminescent Compositions (AREA)
DE69409033T 1993-06-01 1994-05-19 Verbessertes Röntgensystem verwendend Phosphoren mit verschiedenen Dichten Expired - Fee Related DE69409033T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/069,564 US5367172A (en) 1993-06-01 1993-06-01 Radiological system employing phosphors of different densities

Publications (2)

Publication Number Publication Date
DE69409033D1 DE69409033D1 (de) 1998-04-23
DE69409033T2 true DE69409033T2 (de) 1998-08-27

Family

ID=22089837

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69409033T Expired - Fee Related DE69409033T2 (de) 1993-06-01 1994-05-19 Verbessertes Röntgensystem verwendend Phosphoren mit verschiedenen Dichten

Country Status (4)

Country Link
US (1) US5367172A (de)
EP (1) EP0627744B1 (de)
JP (1) JP2778910B2 (de)
DE (1) DE69409033T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69403129T2 (de) * 1993-03-25 1997-08-28 Seiko Instr Inc Röntgenstrahlen-Analysegerät
US5746943A (en) * 1997-02-25 1998-05-05 Sterling Diagnostic Imaging, Inc. X-ray intensifying screen based on barium hafnium zirconium phosphate
US6483122B1 (en) * 1999-09-29 2002-11-19 Konica Corporation Radiation image conversion panel and stimulable phosphor
GB0012377D0 (en) * 2000-05-22 2000-07-12 Isis Innovation Oxide based phosphors
WO2003010602A1 (en) * 2001-07-26 2003-02-06 Ciba Specialty Chemicals Holding Inc. Photosensitive resin composition
JP2008231185A (ja) * 2007-03-19 2008-10-02 Konica Minolta Medical & Graphic Inc シンチレータ組成物及びその製造方法並びに放射線検出器
CN102838987B (zh) * 2011-06-22 2014-07-23 海洋王照明科技股份有限公司 铕铈共掺杂氧化钇发光薄膜、其制备方法及有机电致发光器件

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3936644A (en) * 1974-03-14 1976-02-03 General Electric Company Multi-layer X-ray screens
JPS52115685A (en) * 1976-01-08 1977-09-28 Dainippon Toryo Kk Combined radiation intensified paper
US4626688A (en) * 1982-11-26 1986-12-02 Barnes Gary T Split energy level radiation detection
JPS59162499A (ja) * 1983-03-07 1984-09-13 富士写真フイルム株式会社 放射線像変換パネル
US4499159A (en) * 1984-04-13 1985-02-12 General Electric Company X-ray image converters utilizing rare earth oxyhalide phosphors
US4710637A (en) * 1986-02-10 1987-12-01 Eastman Kodak Company High efficiency fluorescent screen pair for use in low energy X radiation imaging
JP2514952B2 (ja) * 1987-03-13 1996-07-10 株式会社東芝 Ｘ線イメ−ジ管
IT1230335B (it) * 1989-07-12 1991-10-18 Minnesota Mining & Mfg Cassetta con schermi di rinforzo per uso con un film radiografico.
US5108881A (en) * 1990-03-29 1992-04-28 Eastman Kodak Company Minimal crossover radiographic elements adapted for varied intensifying screen exposures
US5112700A (en) * 1990-07-20 1992-05-12 Eastman Kodak Company Phosphor composition and x-ray intensifying screen capable of emitting principally in the spectral region of native silver halide sensitivity
US5095218A (en) * 1990-07-20 1992-03-10 Eastman Kodak Company X-ray intensifying screen with enhanced emission
US5141673A (en) * 1990-12-17 1992-08-25 E. I. Du Pont De Nemours And Company Process of preparing tantalate x-ray intensifying phosphors with improved x-ray to light conversion efficiency
US5216252A (en) * 1991-06-20 1993-06-01 Thomas Jefferson University Binary screen, system and method for single pulse dual energy radiography
DE69204964T2 (de) * 1991-11-12 1996-02-08 Du Pont Röntgenstrahlverstärkungsschirme mit gemischten Morphologie-Phosphoren.

Also Published As

Publication number Publication date
EP0627744A2 (de) 1994-12-07
EP0627744B1 (de) 1998-03-18
US5367172A (en) 1994-11-22
JPH0743499A (ja) 1995-02-14
JP2778910B2 (ja) 1998-07-23
DE69409033D1 (de) 1998-04-23
EP0627744A3 (de) 1995-03-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: AGFA-GEVAERT N.V., MORTSEL, BE

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