CA1011939A - X-ray image converters utilizing lanthanum and gadolinium oxyhalide luminous materials activated with thulium - Google Patents

X-ray image converters utilizing lanthanum and gadolinium oxyhalide luminous materials activated with thulium

Info

Publication number
CA1011939A
CA1011939A CA178,694A CA178694A CA1011939A CA 1011939 A CA1011939 A CA 1011939A CA 178694 A CA178694 A CA 178694A CA 1011939 A CA1011939 A CA 1011939A
Authority
CA
Canada
Prior art keywords
thulium
ray image
luminous materials
image converters
materials activated
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
CA178,694A
Other languages
English (en)
Other versions
CA178694S (en
Inventor
Jacob G. 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
Application granted granted Critical
Publication of CA1011939A publication Critical patent/CA1011939A/en
Expired 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Luminescent Compositions (AREA)
  • Conversion Of X-Rays Into Visible Images (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
CA178,694A 1972-08-16 1973-08-13 X-ray image converters utilizing lanthanum and gadolinium oxyhalide luminous materials activated with thulium Expired CA1011939A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28121772A 1972-08-16 1972-08-16

Publications (1)

Publication Number Publication Date
CA1011939A true CA1011939A (en) 1977-06-14

Family

ID=23076422

Family Applications (1)

Application Number Title Priority Date Filing Date
CA178,694A Expired CA1011939A (en) 1972-08-16 1973-08-13 X-ray image converters utilizing lanthanum and gadolinium oxyhalide luminous materials activated with thulium

Country Status (7)

Country Link
US (1) US3795814A (cs)
JP (1) JPS5727149B2 (cs)
CA (1) CA1011939A (cs)
DE (1) DE2339088C3 (cs)
FR (1) FR2196725A5 (cs)
GB (1) GB1447508A (cs)
NL (1) NL7311220A (cs)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49149664U (cs) * 1973-04-28 1974-12-25
US3936644A (en) * 1974-03-14 1976-02-03 General Electric Company Multi-layer X-ray screens
JPS5339277B2 (cs) * 1975-03-26 1978-10-20
GB1501267A (en) * 1975-04-04 1978-02-15 Ciba Geigy Ag X-ray screens
JPS5319719A (en) * 1976-08-09 1978-02-23 Nippon Telegr & Teleph Corp <Ntt> Push type pen for data input
US4316092A (en) * 1976-12-13 1982-02-16 General Electric Company X-Ray image converters utilizing rare earth admixtures
US4070583A (en) * 1976-12-13 1978-01-24 General Electric Company Rare earth oxyhalide phosphors coactivated with terbium, thulium
US4374905A (en) * 1976-12-13 1983-02-22 General Electric Company X-Ray intensifying screen
US4088894A (en) * 1976-12-13 1978-05-09 General Electric Company (Ba,Sr)F, (Cl,Br) : Eu+2 X-Ray image converters utilizing LaOBr (Tm,Tb) phosphors
GB1595931A (en) * 1976-12-13 1981-08-19 Gen Electric X-ray image converters and phosphors
US4297584A (en) * 1977-04-11 1981-10-27 Lockheed Missiles & Space Company, Inc. Rare earth phosphors and phosphor screens
US4360571A (en) * 1977-08-22 1982-11-23 General Electric Company X-Ray intensifying screen
US4224524A (en) * 1978-01-16 1980-09-23 Agfa-Gevaert N.V. X-Ray image intensifying screens comprising rare-earth oxyhalide phosphor particles
US4195228A (en) * 1978-05-19 1980-03-25 General Electric Company Color contrast radiographic device
US4208470A (en) * 1978-11-03 1980-06-17 General Electric Company X-ray intensifying screen
US4315979A (en) * 1980-12-19 1982-02-16 General Electric Company Rare earth oxyhalide phosphor and x-ray image converters utilizing same
GB2119396B (en) * 1982-04-26 1985-11-20 Gen Electric Multi-layer x-ray screens
US4485308A (en) * 1982-04-26 1984-11-27 General Electric Company Photo detection system
US4478933A (en) * 1982-04-26 1984-10-23 General Electric Company Multi-layer X-ray screens
US4578211A (en) * 1983-04-08 1986-03-25 General Electric Company Process for the preparation of rare earth oxyhalide phosphor
US4532070A (en) * 1983-04-08 1985-07-30 General Electric Company Process for the preparation of rare earth oxyhalide phosphor
US4571305A (en) * 1983-04-08 1986-02-18 General Electric Company Process for the preparation of rare earth oxyhalide phosphor
FR2554122B1 (fr) * 1983-11-02 1987-03-20 Rhone Poulenc Spec Chim Nouvelle composition destinee au marquage de documents et procede de verification de l'authenticite de ces documents
US4499159A (en) * 1984-04-13 1985-02-12 General Electric Company X-ray image converters utilizing rare earth oxyhalide phosphors
DD261169A1 (de) * 1986-09-30 1988-10-19 Univ Ernst Moritz Arndt Kristalliner seltenerdaktiver lanthanoxidhalogenidleuchtstoff
US4891527A (en) * 1988-08-09 1990-01-02 General Electric Company Spherical phosphor aggregates, their preparation and use in X-ray screens
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
US7534543B2 (en) * 1996-04-15 2009-05-19 3M Innovative Properties Company Texture control of thin film layers prepared via laser induced thermal imaging
US5725989A (en) 1996-04-15 1998-03-10 Chang; Jeffrey C. Laser addressable thermal transfer imaging element with an interlayer
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
US5998085A (en) * 1996-07-23 1999-12-07 3M Innovative Properties Process for preparing high resolution emissive arrays and corresponding articles
US7015479B2 (en) * 2003-07-31 2006-03-21 Eastman Kodak Company Digital film grain
US7678526B2 (en) * 2005-10-07 2010-03-16 3M Innovative Properties Company Radiation curable thermal transfer elements
US7396631B2 (en) * 2005-10-07 2008-07-08 3M Innovative Properties Company Radiation curable thermal transfer elements
EP2411872A1 (en) 2009-03-27 2012-02-01 Carestream Health, Inc. 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
DE1547872A1 (de) * 1966-02-28 1970-02-19 Fuji Photo Film Co Ltd Verfahren zur Aufzeichnung eines radiographischen Bildes
BE757817A (fr) * 1969-10-21 1971-04-01 Eastman Kodak Co Composition fluorescente a base de sulfates mixtes de metaux alcalino-terreux, sa preparation et ses applications, notamment a la radiographi

Also Published As

Publication number Publication date
US3795814A (en) 1974-03-05
DE2339088B2 (de) 1979-04-19
JPS4946588A (cs) 1974-05-04
JPS5727149B2 (cs) 1982-06-09
FR2196725A5 (cs) 1974-03-15
GB1447508A (en) 1976-08-25
DE2339088A1 (de) 1974-03-07
NL7311220A (cs) 1974-02-19
DE2339088C3 (de) 1980-01-03

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