IT1170265B - Fosfori termoluminescenti di ossialogenuri di terre rare coattivate e convertitori di immagini a raggi x utilizzanti detti fosfori - Google Patents

Fosfori termoluminescenti di ossialogenuri di terre rare coattivate e convertitori di immagini a raggi x utilizzanti detti fosfori

Info

Publication number
IT1170265B
IT1170265B IT24212/83A IT2421283A IT1170265B IT 1170265 B IT1170265 B IT 1170265B IT 24212/83 A IT24212/83 A IT 24212/83A IT 2421283 A IT2421283 A IT 2421283A IT 1170265 B IT1170265 B IT 1170265B
Authority
IT
Italy
Prior art keywords
phosphors
oxylengenes
coactivated
ray image
thermoluminescent
Prior art date
Application number
IT24212/83A
Other languages
English (en)
Other versions
IT8324212A0 (it
Inventor
Jacob George Rabatin
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IT8324212A0 publication Critical patent/IT8324212A0/it
Application granted granted Critical
Publication of IT1170265B publication Critical patent/IT1170265B/it

Links

Classifications

    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21KHANDLING OF PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K4/00Conversion screens for the conversion of the spatial distribution of X-rays or particle radiation into visible images, e.g. fluoroscopic screens
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00Luminescent materials, e.g. electroluminescent or chemiluminescent
    • C09K11/08Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials
    • C09K11/77Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials containing rare earth metals
    • C09K11/7766Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
    • C09K11/7767Chalcogenides
    • C09K11/7769Oxides
    • C09K11/777Oxyhalogenides
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01TMEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/02Dosimeters
    • G01T1/10Luminescent dosimeters
    • G01T1/11Thermo-luminescent dosimeters
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/16X-ray, infrared, or ultraviolet ray processes
    • G03C5/17X-ray, infrared, or ultraviolet ray processes using screens to intensify X-ray images

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Conversion Of X-Rays Into Visible Images (AREA)
  • Luminescent Compositions (AREA)
  • Radiography Using Non-Light Waves (AREA)
IT24212/83A 1982-12-20 1983-12-16 Fosfori termoluminescenti di ossialogenuri di terre rare coattivate e convertitori di immagini a raggi x utilizzanti detti fosfori IT1170265B (it)

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
IT8324212A0 IT8324212A0 (it) 1983-12-16
IT1170265B true IT1170265B (it) 1987-06-03

Family

ID=23789869

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24212/83A IT1170265B (it) 1982-12-20 1983-12-16 Fosfori termoluminescenti di ossialogenuri di terre rare coattivate e convertitori di immagini a raggi x utilizzanti detti fosfori

Country Status (9)

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

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 (en) * 1986-02-10 1989-04-25 George W. Luckey High efficiency fluorescent screen pair for use in low energy x radiation imaging
US4891527A (en) * 1988-08-09 1990-01-02 General Electric Company Spherical phosphor aggregates, their preparation and use in X-ray screens
AU2128795A (en) * 1994-03-28 1995-10-17 Keithley Instruments Inc. Radiation dose mapping systems and methods

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
FR2315530A1 (fr) * 1975-06-25 1977-01-21 United States Radium Corp 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
US4481416A (en) 1984-11-06
CA1197980A (en) 1985-12-17
BE898496A (fr) 1984-06-19
FR2538205A1 (fr) 1984-06-22
JPS59133286A (ja) 1984-07-31
FR2538205B1 (fr) 1992-01-24
IT8324212A0 (it) 1983-12-16
NL8304367A (nl) 1984-07-16
DE3344916A1 (de) 1984-06-20
GB8332588D0 (en) 1984-01-11
GB2132219A (en) 1984-07-04
GB2132219B (en) 1986-06-18

Similar Documents

Publication Publication Date Title
IT1095568B (it) Fosfori di terre rare e schermi utilizzanti tali fosfori
DE3263315D1 (en) Phosphor and radiographic intensifying screen
DE3367424D1 (en) Method of grouting annulus
DE3365597D1 (en) X-ray intensifying screens based on phosphor mixtures
DE3372984D1 (de) Phosphor
DE3863870D1 (de) Reproduktion von roentgenbildern durch photoanregbaren phosphor.
EP0263467A3 (en) Phosphor materials for radiation intensifying screens and radiation intensifying screens containing the phosphor materials
IT1139852B (it) Fosforo di ossialogenuri di terre rare e convertitori di immagini per raggi x utilizzanti il medesimo
IT1177232B (it) Procedimento per lo sviluppo ad alto contrasto di elementi fotografici e soluzione di sviluppo fotografica acquosa alcalina
IT1138268B (it) Convertitori di immagini a raggi x utilizzanti miscele di terre rare
NO832880L (no) Blakket tannpasta
DK507185D0 (da) Fremgangsmaade til inaktivering af human tumor leukaemi virus iii
IT1170265B (it) Fosfori termoluminescenti di ossialogenuri di terre rare coattivate e convertitori di immagini a raggi x utilizzanti detti fosfori
DE3689811D1 (de) Vorrichtungen und Verfahren zur Strahlungsabbildung von Röntgenstrahlen.
DE3064023D1 (en) Voltage level conversion circuitry and purporting method
EG16047A (en) Catalyst based on gamma alumina and its method of preparation
FR2525775B1 (fr) Circuit d'emission et de reception de rayonnement electromagnetique
DE3562923D1 (en) Rare earth phosphor and radiographic image conversion screen
KR860004549A (ko) 음극선관용 필터
JPS5395187A (en) Fluorescent substance, and radiation image converter and thermoluminescence dosimeter element using the same
IT8341571A0 (it) Apparecchiatura e procedimento per la sorveglianza di radiazioni.
NO158835C (no) Modulatorkrets til pulsavkortning og beskyttelse av en inaktiv magnetron.
IT1197163B (it) Procedimento di sigillatura principale senza scarti di un tubo a raggi catodici
DE3782596D1 (de) Detektor/dosimeter fuer gamma- und mikrowellenstrahlung.
DE3362412D1 (de) Divalent europium-activated barium fluorohalide phosphor