DE3673453D1 - Leuchtstoffe fuer roentgenstrahlung und verfahren zu deren herstellung. - Google Patents

Leuchtstoffe fuer roentgenstrahlung und verfahren zu deren herstellung.

Info

Publication number
DE3673453D1
DE3673453D1 DE8686303729T DE3673453T DE3673453D1 DE 3673453 D1 DE3673453 D1 DE 3673453D1 DE 8686303729 T DE8686303729 T DE 8686303729T DE 3673453 T DE3673453 T DE 3673453T DE 3673453 D1 DE3673453 D1 DE 3673453D1
Authority
DE
Germany
Prior art keywords
luminaires
production
ray radiation
ray
radiation
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
DE8686303729T
Other languages
English (en)
Inventor
Shigeharu Nakajima
Genichi Shinomiya
Mizuho Takeda
Satoru Chikutei
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.)
Nichia Chemical Industries Ltd
Original Assignee
Nichia Chemical Industries Ltd
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
Priority claimed from JP10663685A external-priority patent/JPS61264085A/ja
Priority claimed from JP19805285A external-priority patent/JPS6258244A/ja
Priority claimed from JP61090879A external-priority patent/JPS62246988A/ja
Application filed by Nichia Chemical Industries Ltd filed Critical Nichia Chemical Industries Ltd
Application granted granted Critical
Publication of DE3673453D1 publication Critical patent/DE3673453D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C09K11/7768—Chalcogenides with alkaline earth metals
    • 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
    • C09K11/7702—Chalogenides with zinc or cadmium
    • 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
    • C09K11/7703—Chalogenides with alkaline earth metals
    • 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
    • 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
    • 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
    • C09K11/7783—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals one of which being europium
    • C09K11/7784—Chalcogenides
    • C09K11/7785—Chalcogenides with zinc or cadmium
    • 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
    • C09K11/7783—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals one of which being europium
    • C09K11/7784—Chalcogenides
    • C09K11/7786—Chalcogenides with alkaline earth metals
DE8686303729T 1985-05-18 1986-05-15 Leuchtstoffe fuer roentgenstrahlung und verfahren zu deren herstellung. Expired - Fee Related DE3673453D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP10663685A JPS61264085A (ja) 1985-05-18 1985-05-18 Ｘ線で刺激されて発光する螢光体
JP19805285A JPS6258244A (ja) 1985-09-06 1985-09-06 Ｘ線で刺激されて発光する蛍光体の製造方法
JP61090879A JPS62246988A (ja) 1986-04-18 1986-04-18 Ｘ線螢光体及びこれを用いたｘ線増感紙

Publications (1)

Publication Number Publication Date
DE3673453D1 true DE3673453D1 (de) 1990-09-20

Family

ID=27306563

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686303729T Expired - Fee Related DE3673453D1 (de) 1985-05-18 1986-05-15 Leuchtstoffe fuer roentgenstrahlung und verfahren zu deren herstellung.

Country Status (2)

Country Link
EP (1) EP0202875B1 (de)
DE (1) DE3673453D1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0756023B2 (ja) * 1986-03-31 1995-06-14 株式会社東芝 増感紙
DE3874985T2 (de) * 1987-07-16 1993-04-08 Kasei Optonix Radiographischer verstaerkungsschirm.
US4925702A (en) * 1989-10-02 1990-05-15 Gte Products Corporation Process for improving the luminescence and bulk density of niobium activated yttrium tantalate X-ray phosphor
US4929384A (en) * 1989-06-07 1990-05-29 Gte Products Corporation Process for improving the luminescence of niobium activated yttrium tantalate X-ray phosphor
US4929385A (en) * 1989-06-07 1990-05-29 Gte Products Corporation Freon free process for preparing a niobium activated yttrium tantalate X-ray phosphor
US4929386A (en) * 1989-06-07 1990-05-29 Gte Products Corporation Process for preparing a niobium activated yttrium tantalate X-ray phosphor
US4935161A (en) * 1989-10-05 1990-06-19 Gte Products Corporation Process for YTaO4 :Nb phosphor preparation using reduced amount of flux
EP0520094A1 (de) * 1991-06-27 1992-12-30 Agfa-Gevaert N.V. Röntgenstrahlen-Leuchtstoffzusammensetzung für Röntgenstrahlen Verstärkersfoelie
US5112524A (en) * 1991-07-19 1992-05-12 Gte Products Corporation Unactivated yttrium tantalate phosphor
IT1256101B (it) * 1992-11-12 1995-11-28 Minnesota Mining & Mfg Metodo per registrare e riprodurre l'immagine di una radiazione, apparato che impiega detto metodo,pannello per la memorizzazione della immagine di una radiazione e fosforo fotostimolabile
US5391884A (en) * 1993-05-24 1995-02-21 Eastman Kodak Company Barium gadolinate phosphor activated by terbium and/or samarium
DE69505105T2 (de) 1995-06-01 1999-04-08 Agfa Gevaert Nv Neue Klasse von stabilisierenden Verbindungen für Phosphorschirme
DE69506384T2 (de) 1995-06-01 1999-07-15 Agfa Gevaert Nv Neue Klasse von stabilisierenden Verbindungen für Phosphorschirme
DE69512645T2 (de) 1995-07-07 2000-06-08 Minnesota Mining & Mfg Antistatischer Verstärkungsschirm für Röntgenstrahlen mit Fluoroalkylsulfonat-Salzen
US5611960A (en) * 1996-03-28 1997-03-18 Sterling Diagnostic Imaging, Inc. Process of preparing tantalate X-ray intensifying phosphors with decreased delayed fluorescence

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3459674A (en) * 1965-01-20 1969-08-05 Hitachi Ltd Phosphors
US3758486A (en) * 1969-05-13 1973-09-11 Westinghouse Electric Corp Rare earth niobate composition
US4225653A (en) * 1979-03-26 1980-09-30 E. I. Du Pont De Nemours And Company X-ray intensifying screen based on rare earth tantalate

Also Published As

Publication number Publication date
EP0202875A2 (de) 1986-11-26
EP0202875B1 (de) 1990-08-16
EP0202875A3 (en) 1987-07-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee