FR2538205B1 - Luminophores pour ecrans thermoluminescents et systemes radiographiques - Google Patents

Luminophores pour ecrans thermoluminescents et systemes radiographiques

Info

Publication number
FR2538205B1
FR2538205B1 FR838320181A FR8320181A FR2538205B1 FR 2538205 B1 FR2538205 B1 FR 2538205B1 FR 838320181 A FR838320181 A FR 838320181A FR 8320181 A FR8320181 A FR 8320181A FR 2538205 B1 FR2538205 B1 FR 2538205B1
Authority
FR
France
Prior art keywords
thermoluminescent
luminophores
displays
radiographic systems
radiographic
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
FR838320181A
Other languages
English (en)
Other versions
FR2538205A1 (fr
Inventor
Jacob George Rabatin
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
Publication of FR2538205A1 publication Critical patent/FR2538205A1/fr
Application granted granted Critical
Publication of FR2538205B1 publication Critical patent/FR2538205B1/fr
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
    • 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
    • C09K11/777—Oxyhalogenides
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/02—Dosimeters
    • G01T1/10—Luminescent dosimeters
    • G01T1/11—Thermo-luminescent dosimeters
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Conversion Of X-Rays Into Visible Images (AREA)
  • Luminescent Compositions (AREA)
  • Radiography Using Non-Light Waves (AREA)
FR838320181A 1982-12-20 1983-12-16 Luminophores pour ecrans thermoluminescents et systemes radiographiques Expired - Fee Related FR2538205B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/450,875 US4481416A (en) 1982-12-20 1982-12-20 Thermoluminescent coactivated rare earth oxyhalide phosphors and x-ray image converters utilizing said phosphors

Publications (2)

Publication Number Publication Date
FR2538205A1 FR2538205A1 (fr) 1984-06-22
FR2538205B1 true FR2538205B1 (fr) 1992-01-24

Family

ID=23789869

Family Applications (1)

Application Number Title Priority Date Filing Date
FR838320181A Expired - Fee Related FR2538205B1 (fr) 1982-12-20 1983-12-16 Luminophores pour ecrans thermoluminescents et systemes radiographiques

Country Status (9)

Country Link
US (1) US4481416A (fr)
JP (1) JPS59133286A (fr)
BE (1) BE898496A (fr)
CA (1) CA1197980A (fr)
DE (1) DE3344916A1 (fr)
FR (1) FR2538205B1 (fr)
GB (1) GB2132219B (fr)
IT (1) IT1170265B (fr)
NL (1) NL8304367A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3332648A1 (de) * 1983-09-09 1985-03-28 Siemens AG, 1000 Berlin und 8000 München Roentgendiagnostikeinrichtung mit einem roentgenkonverter
CA1253264A (fr) * 1986-02-10 1989-04-25 George W. Luckey Paire d'ecrans fluorescents a rendement eleve pour l'imagerie a rayons x de faible energie
US4891527A (en) * 1988-08-09 1990-01-02 General Electric Company Spherical phosphor aggregates, their preparation and use in X-ray screens
EP0807263A4 (fr) * 1994-03-28 1999-04-28 Keithley Instruments Procedes et dispositifs de cartographie de la dose d'irradiation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3607770A (en) * 1968-10-23 1971-09-21 Gen Electric Gaseous reaction process for the production of rare earth oxyhalide and oxide luminescent materials
BE792387A (nl) * 1971-12-31 1973-06-07 Agfa Gevaert Nv Versterkingsschermen voor rontgenfotografie
BE843231A (fr) * 1975-06-25 1976-12-21 Composition phosphorescente et son procede d'obtention
JPS5919159B2 (ja) * 1975-11-14 1984-05-02 株式会社東芝 Ｘ センケイコウヒヨウジバン
US4068129A (en) * 1976-12-13 1978-01-10 General Electric Company Bismuth activated rare earth oxybromide phosphors and X-ray image converters utilizing said phosphors
US4346295A (en) * 1978-12-26 1982-08-24 Fuji Photo Film Co., Ltd. Radiation image read out device
FR2461279B1 (fr) * 1979-07-11 1987-01-02 Fuji Photo Film Co Ltd Procede de traitement d'une image radiographique
DE3242399A1 (de) * 1982-11-16 1984-05-17 Siemens AG, 1000 Berlin und 8000 München Roentgenbildkonverter
US4488983A (en) * 1983-04-22 1984-12-18 E. I. Du Pont De Nemours And Company Preparation of lanthanum bismuth oxychloride phosphors

Also Published As

Publication number Publication date
GB8332588D0 (en) 1984-01-11
JPS59133286A (ja) 1984-07-31
IT1170265B (it) 1987-06-03
GB2132219A (en) 1984-07-04
US4481416A (en) 1984-11-06
CA1197980A (fr) 1985-12-17
GB2132219B (en) 1986-06-18
IT8324212A0 (it) 1983-12-16
NL8304367A (nl) 1984-07-16
DE3344916A1 (de) 1984-06-20
FR2538205A1 (fr) 1984-06-22
BE898496A (fr) 1984-06-19

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Legal Events

Date Code Title Description
ST Notification of lapse