DE69005838T2 - Röntgenstrahlenverstärkerschirm sowie Leuchtstoffzusammensetzung. - Google Patents

Röntgenstrahlenverstärkerschirm sowie Leuchtstoffzusammensetzung.

Info

Publication number
DE69005838T2
DE69005838T2 DE1990605838 DE69005838T DE69005838T2 DE 69005838 T2 DE69005838 T2 DE 69005838T2 DE 1990605838 DE1990605838 DE 1990605838 DE 69005838 T DE69005838 T DE 69005838T DE 69005838 T2 DE69005838 T2 DE 69005838T2
Authority
DE
Germany
Prior art keywords
phosphor composition
intensifying screen
ray intensifying
ray
phosphor
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
DE1990605838
Other languages
English (en)
Other versions
DE69005838D1 (de
Inventor
Philip Steven Bryan
Patrick Maddock Lambert
Christine May Towers
Gregory Scott Jarrold
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
Priority claimed from US07/305,222 external-priority patent/US4988880A/en
Priority claimed from US07/436,855 external-priority patent/US4980559A/en
Priority claimed from US07/437,143 external-priority patent/US4963753A/en
Priority claimed from US07/437,228 external-priority patent/US4975588A/en
Priority claimed from US07/437,868 external-priority patent/US4967087A/en
Priority claimed from US07/437,465 external-priority patent/US4961004A/en
Priority claimed from US07/437,141 external-priority patent/US4972516A/en
Priority claimed from US07/437,142 external-priority patent/US5017791A/en
Priority claimed from US07/437,423 external-priority patent/US4963754A/en
Priority claimed from US07/437,140 external-priority patent/US4972086A/en
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of DE69005838D1 publication Critical patent/DE69005838D1/de
Publication of DE69005838T2 publication Critical patent/DE69005838T2/de
Application granted granted Critical
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
    • C09K11/7769—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
    • C09K11/7728—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing europium
    • C09K11/7729—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
    • C09K11/7759—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing samarium
    • C09K11/776—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
    • C09K11/7783—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
    • C09K11/7787—Oxides
    • 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
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/50—Solid solutions
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity

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)
DE1990605838 1989-02-03 1990-02-02 Röntgenstrahlenverstärkerschirm sowie Leuchtstoffzusammensetzung. Expired - Fee Related DE69005838T2 (de)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
US07/305,222 US4988880A (en) 1989-02-03 1989-02-03 X-ray intensifying screen containing hafnia phosphor
US07/436,855 US4980559A (en) 1989-02-03 1989-11-15 X-ray intensifying screen including a titanium activated hafnium dioxide phospher containing europium to reduce afterglow
US07/437,141 US4972516A (en) 1989-02-03 1989-11-16 X-ray intensifying screen including a titanium activated hafnium dioxide phosphur containing holmium to reduce afterglow
US07/437,142 US5017791A (en) 1989-02-03 1989-11-16 X-ray intensifying screen including a titanium activated hafnium dioxide phosphor containing yttrium to reduce afterglow
US07/437,143 US4963753A (en) 1989-02-03 1989-11-16 X-ray intensifying screen including a titanium activated hafnium dioxide phosphor containing gadolinium to reduce afterglow
US07/437,228 US4975588A (en) 1989-02-03 1989-11-16 X-ray intensifying screen including a titanium activated hafnium dioxide phosphor containing lutetium to reduce afterglow
US07/437,140 US4972086A (en) 1989-02-03 1989-11-16 X-ray intensifying screen including a titanium activated hafnium dioxide phosphor containing erbium to reduce afterglow
US07/437,423 US4963754A (en) 1989-02-03 1989-11-16 X-ray intensifying screen including a titanium activated hafnium dioxide phosphor containing thulium to reduce afterglow
US07/437,465 US4961004A (en) 1989-02-03 1989-11-16 X-ray intensifying screen including a titanium activated hafnium dioxide phosphor containing samarium to reduce afterglow
US07/437,868 US4967087A (en) 1989-02-03 1989-11-16 X-ray intensifying screen including a titanium activated hafnium dioxide phosphor containing ytterbium to reduce afterglow

Publications (2)

Publication Number Publication Date
DE69005838D1 DE69005838D1 (de) 1994-02-24
DE69005838T2 true DE69005838T2 (de) 1994-08-11

Family

ID=27581223

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1990605838 Expired - Fee Related DE69005838T2 (de) 1989-02-03 1990-02-02 Röntgenstrahlenverstärkerschirm sowie Leuchtstoffzusammensetzung.

Country Status (4)

Country Link
EP (1) EP0382117B1 (de)
JP (1) JPH02298578A (de)
CA (1) CA2008541A1 (de)
DE (1) DE69005838T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4983847A (en) * 1989-11-16 1991-01-08 Eastman Kodak Company X-ray intensifying screen including a titanium activated hafnium dioxide phosphor containing indium
US4980560A (en) * 1989-11-16 1990-12-25 Eastman Kodak Company X-ray intensifying screen including a titanium activated hafnium dioxide phosphor containing scandium
US5095218A (en) * 1990-07-20 1992-03-10 Eastman Kodak Company X-ray intensifying screen with enhanced emission
CN115477946B (zh) * 2022-09-30 2023-05-23 云南大学 用于非接触式温度传感器的绿色荧光材料及其制备方法
CN115491202B (zh) * 2022-10-17 2023-05-23 云南大学 用于白光led的镝铕共掺杂碲磷酸盐荧光粉及其微波固相合成方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3728594A (en) * 1971-11-17 1973-04-17 Rca Corp Electroluminescent device comprising a transition metal oxide doped with a trivalent rare earth element
US4006097A (en) * 1974-09-24 1977-02-01 Gte Sylvania Incorporated Yb activated hafnium oxide phosphor and methods of making
US3941715A (en) * 1975-03-24 1976-03-02 Rca Corporation Substituted zirconium pyrophosphate phosphors
FR2311079A1 (fr) * 1975-05-12 1976-12-10 Rca Corp Luminophores pyrochlores
US4112194A (en) * 1976-11-08 1978-09-05 Gte Sylvania Incorporated Hexagonal hafnium, zirconium phosphate luminescent material, method of preparation, and x-ray intensifying screen containing the same
US4068128A (en) * 1976-12-30 1978-01-10 Gte Sylvania Incorporated (Hf1-x Zrx)3 P2 O11 luminescent material, method of preparation and X-ray intensifying screen containing same
JPS6014058B2 (ja) * 1980-06-21 1985-04-11 松下電工株式会社 螢光体
US4295989A (en) * 1980-06-23 1981-10-20 The United States Of America As Represented By The Secretary Of The Navy Luminescent hafnia composition

Also Published As

Publication number Publication date
EP0382117B1 (de) 1994-01-12
JPH02298578A (ja) 1990-12-10
EP0382117A3 (en) 1990-12-19
DE69005838D1 (de) 1994-02-24
CA2008541A1 (en) 1990-08-03
EP0382117A2 (de) 1990-08-16

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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