GB1319569A - Rare earth oxyhalide phosphors - Google Patents

Rare earth oxyhalide phosphors

Info

Publication number
GB1319569A
GB1319569A GB4951771A GB4951771A GB1319569A GB 1319569 A GB1319569 A GB 1319569A GB 4951771 A GB4951771 A GB 4951771A GB 4951771 A GB4951771 A GB 4951771A GB 1319569 A GB1319569 A GB 1319569A
Authority
GB
United Kingdom
Prior art keywords
phosphor
rare earth
obr
glow
moles
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
Application number
GB4951771A
Other languages
English (en)
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 GB1319569A publication Critical patent/GB1319569A/en
Expired legal-status Critical Current

Links

Classifications

    • 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, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7766Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
    • C09K11/7767Chalcogenides
    • C09K11/7769Oxides
    • C09K11/777Oxyhalogenides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Luminescent Compositions (AREA)
  • Conversion Of X-Rays Into Visible Images (AREA)
GB4951771A 1970-12-21 1971-10-25 Rare earth oxyhalide phosphors Expired GB1319569A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10044870A 1970-12-21 1970-12-21

Publications (1)

Publication Number Publication Date
GB1319569A true GB1319569A (en) 1973-06-06

Family

ID=22279820

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4951771A Expired GB1319569A (en) 1970-12-21 1971-10-25 Rare earth oxyhalide phosphors

Country Status (6)

Country Link
US (1) US3666676A (enExample)
JP (1) JPS5035510B1 (enExample)
DE (1) DE2161958C3 (enExample)
FR (1) FR2119555A5 (enExample)
GB (1) GB1319569A (enExample)
NL (1) NL151430B (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2461260C3 (de) * 1974-12-23 1986-07-10 Siemens AG, 1000 Berlin und 8000 München Leuchtstoff
US3996472A (en) * 1975-04-07 1976-12-07 General Electric Company Thermoluminescent materials utilizing rare earth oxyhalides activated with terbium
US4116865A (en) * 1975-10-24 1978-09-26 General Electric Company Method for preparing thermoluminescent materials utilizing rare earth oxyhalides activated with terbium
DE2847813C2 (de) * 1978-11-03 1984-08-16 Siemens AG, 1000 Berlin und 8000 München Leuchtstoff
US4525628A (en) * 1982-06-18 1985-06-25 General Electric Company Rare earth ceramic scintillator
US4421671A (en) * 1982-06-18 1983-12-20 General Electric Company Rare-earth-doped yttria-gadolinia ceramic scintillators
US4466930A (en) * 1982-06-18 1984-08-21 General Electric Company Preparation of yttria-gadolinia ceramic scintillators by vacuum hot pressing
US4747973A (en) * 1982-06-18 1988-05-31 General Electric Company Rare-earth-doped yttria-gadolina ceramic scintillators
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
IL80333A (en) * 1985-12-30 1991-01-31 Gen Electric Radiation detector employing solid state scintillator material and preparation methods therefor
US5177401A (en) * 1988-12-05 1993-01-05 Hitachi, Ltd. Phosphor and cathode-ray tube using the same
DE69512645T2 (de) 1995-07-07 2000-06-08 Minnesota Mining And Mfg. Co., Saint Paul Antistatischer Verstärkungsschirm für Röntgenstrahlen mit Fluoroalkylsulfonat-Salzen
US5830629A (en) * 1995-11-01 1998-11-03 Eastman Kodak Company Autoradiography assemblage using transparent screen
EP0806860A1 (en) * 1996-05-09 1997-11-12 Minnesota Mining And Manufacturing Company Apparatus and method for processing and digitizing a light-sensitive photographic material
US7015479B2 (en) * 2003-07-31 2006-03-21 Eastman Kodak Company Digital film grain
US20120064464A1 (en) 2009-03-27 2012-03-15 Fitterman Alan S Radiographic silver halide films having incorporated developer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3546128A (en) * 1968-10-23 1970-12-08 Gen Electric Lanthanum and gadolinium oxybromide luminescent materials activated with erbium
US3607770A (en) * 1968-10-23 1971-09-21 Gen Electric Gaseous reaction process for the production of rare earth oxyhalide and oxide luminescent materials

Also Published As

Publication number Publication date
DE2161958B2 (de) 1973-11-22
NL151430B (nl) 1976-11-15
DE2161958C3 (de) 1974-09-12
FR2119555A5 (enExample) 1972-08-04
JPS5035510B1 (enExample) 1975-11-17
DE2161958A1 (de) 1972-07-06
NL7117030A (enExample) 1972-06-23
US3666676A (en) 1972-05-30

Similar Documents

Publication Publication Date Title
GB1319569A (en) Rare earth oxyhalide phosphors
GB1447508A (en) Phosphors
GB1398326A (en) Intensifying screen
JPS5584389A (en) Fluorescent substance
GB1247602A (en) Luminescent materials
US5089170A (en) Phosphor
JPS5674175A (en) Fluorescent material and radiation image converting panel composed of said fluorescent material
JP2000178554A (ja) 希土類x線シンチレ―タ―組成物
GB1498063A (en) X-ray screens
GB1595486A (en) Phosphors
GB1510048A (en) X-ray conversion screens
US4088894A (en) (Ba,Sr)F, (Cl,Br) : Eu+2 X-Ray image converters utilizing LaOBr (Tm,Tb) phosphors
GB1419169A (en) Luminescent materials
USRE28592E (en) Terbium activated rare earth oxyhalide phosphors containing ytterbium for reduced afterglow
ES441374A1 (es) Perfeccionamientos introducidos en una pantalla luminiscen- te, en particular una pantalla intensificadora de imagen de rayos x.
US4029851A (en) Luminescent material and X-ray intensifier foil containing the same
GB1193320A (en) Alkaline Earth Tellurate Phosphors
GB1391240A (en) Standard light source utilizing spontaneous radiation
GB1208565A (en) Improvements in and relating to phosphors
US3772206A (en) Radiothermoluminescence dosimeters and materials therefor
GB1590962A (en) Phosphors
US3655577A (en) Phosphors
US4793944A (en) Crystalline lanthanum-oxy-halide phosphor activated with rare earths
GB1595931A (en) X-ray image converters and phosphors
GB1110290A (en) Europium-activated yttrium-gadolinium oxide type phosphors

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
429A Application made for amendment of specification (sect. 29/1949)
429H Application (made) for amendment of specification now open to opposition (sect. 29/1949)
429D Case decided by the comptroller ** specification amended (sect. 29/1949)
PE20 Patent expired after termination of 20 years