DE68913253T2 - Magnesium-Tantal-Oxid-Röntgenstrahlen-Intensivierungsschirm. - Google Patents

Magnesium-Tantal-Oxid-Röntgenstrahlen-Intensivierungsschirm.

Info

Publication number
DE68913253T2
DE68913253T2 DE68913253T DE68913253T DE68913253T2 DE 68913253 T2 DE68913253 T2 DE 68913253T2 DE 68913253 T DE68913253 T DE 68913253T DE 68913253 T DE68913253 T DE 68913253T DE 68913253 T2 DE68913253 T2 DE 68913253T2
Authority
DE
Germany
Prior art keywords
tantalum oxide
intensifying screen
ray intensifying
magnesium tantalum
magnesium
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
DE68913253T
Other languages
English (en)
Other versions
DE68913253D1 (de
Inventor
Kurt Delance C O Eastma Sieber
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak 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 Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of DE68913253D1 publication Critical patent/DE68913253D1/de
Publication of DE68913253T2 publication Critical patent/DE68913253T2/de
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
    • C09K11/67—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing refractory metals
    • C09K11/671—Chalcogenides
    • C09K11/673—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
    • C09K11/7703—Chalogenides with alkaline earth metals

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)
  • Conversion Of X-Rays Into Visible Images (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Luminescent Compositions (AREA)
DE68913253T 1988-10-14 1989-10-13 Magnesium-Tantal-Oxid-Röntgenstrahlen-Intensivierungsschirm. Expired - Fee Related DE68913253T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25791088A 1988-10-14 1988-10-14

Publications (2)

Publication Number Publication Date
DE68913253D1 DE68913253D1 (de) 1994-03-31
DE68913253T2 true DE68913253T2 (de) 1994-09-08

Family

ID=22978306

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68913253T Expired - Fee Related DE68913253T2 (de) 1988-10-14 1989-10-13 Magnesium-Tantal-Oxid-Röntgenstrahlen-Intensivierungsschirm.

Country Status (4)

Country Link
US (1) US5132192A (de)
EP (1) EP0363977B1 (de)
JP (1) JPH02149840A (de)
DE (1) DE68913253T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2052943A1 (en) * 1990-11-01 1992-05-02 Kurt D. Sieber Ordered corundum magnesium tantalum niobium oxide x-ray intensifying screens
US5310505A (en) * 1992-12-16 1994-05-10 E. I. Du Pont De Nemours And Company Process of making tantalate X-ray phosphors
US5395554A (en) * 1992-12-16 1995-03-07 E. I. Du Pont De Nemours And Company Flux for phosphor particle size control
GB0219409D0 (en) * 2002-08-20 2002-09-25 Oxonica Ltd Luminescent compounds
JP5159731B2 (ja) * 2009-09-03 2013-03-13 株式会社東芝 蛍光体およびこれを用いた画像表示装置
CN113563881B (zh) * 2021-08-10 2023-08-18 上海应用技术大学 稀土掺杂钽酸镁闪烁发光材料及其制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3778615A (en) * 1969-10-21 1973-12-11 Eastman Kodak Co Mixed alkaline earth sulfate phosphor fluorescent screens and radiographic elements
US3829700A (en) * 1971-01-28 1974-08-13 R Buchanan Rare earth phosphors for x-ray conversion screens
US4024069A (en) * 1975-07-16 1977-05-17 Rca Corporation Yttrium tantalate phosphors
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
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
US4259588A (en) * 1979-10-31 1981-03-31 Eastman Kodak Company Green-emitting X-ray intensifying screens
US4507560A (en) * 1980-06-13 1985-03-26 Gte Products Corporation Terbium-activated gadolinium oxysulfide X-ray phosphor
US4790024A (en) * 1987-04-14 1988-12-06 Nippon Sheet Glass Co., Ltd. Vector discrimination apparatus

Also Published As

Publication number Publication date
JPH02149840A (ja) 1990-06-08
EP0363977A1 (de) 1990-04-18
DE68913253D1 (de) 1994-03-31
US5132192A (en) 1992-07-21
EP0363977B1 (de) 1994-02-23

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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