DE2201271C3 - Verfahren zur Herstellung von Oxychalcogenid-Leuchtstoffen - Google Patents

Verfahren zur Herstellung von Oxychalcogenid-Leuchtstoffen

Info

Publication number
DE2201271C3
DE2201271C3 DE2201271A DE2201271A DE2201271C3 DE 2201271 C3 DE2201271 C3 DE 2201271C3 DE 2201271 A DE2201271 A DE 2201271A DE 2201271 A DE2201271 A DE 2201271A DE 2201271 C3 DE2201271 C3 DE 2201271C3
Authority
DE
Germany
Prior art keywords
solution
cations
crystals
lanthanum
phosphors
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
DE2201271A
Other languages
German (de)
English (en)
Other versions
DE2201271A1 (de
DE2201271B2 (de
Inventor
George William Luckey
Charles Frederick Sherwood
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
Publication of DE2201271A1 publication Critical patent/DE2201271A1/de
Publication of DE2201271B2 publication Critical patent/DE2201271B2/de
Application granted granted Critical
Publication of DE2201271C3 publication Critical patent/DE2201271C3/de
Expired 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 materials, e.g. electroluminescent or chemiluminescent
    • C09K11/08—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials
    • C09K11/0805—Chalcogenides
    • C09K11/0822—Chalcogenides with rare earth metals
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/288—Sulfides
    • C01F17/294—Oxysulfides
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—HANDLING OF 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
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Luminescent Compositions (AREA)
DE2201271A 1971-01-12 1972-01-12 Verfahren zur Herstellung von Oxychalcogenid-Leuchtstoffen Expired DE2201271C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10588871A 1971-01-12 1971-01-12

Publications (3)

Publication Number Publication Date
DE2201271A1 DE2201271A1 (de) 1972-07-20
DE2201271B2 DE2201271B2 (de) 1978-11-23
DE2201271C3 true DE2201271C3 (de) 1979-07-19

Family

ID=22308331

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2201271A Expired DE2201271C3 (de) 1971-01-12 1972-01-12 Verfahren zur Herstellung von Oxychalcogenid-Leuchtstoffen

Country Status (8)

Country Link
US (1) US3705858A (https=)
JP (1) JPS5533479B1 (https=)
AU (1) AU461291B2 (https=)
BE (1) BE777915A (https=)
CA (1) CA960851A (https=)
DE (1) DE2201271C3 (https=)
FR (1) FR2121726B1 (https=)
GB (1) GB1375052A (https=)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2186676A1 (en) * 1972-05-31 1974-01-11 Agfa Gevaert Combination radiographic material - with flourescent enhancing x-ray screen material and silver halide emulsion
US3891852A (en) * 1972-11-03 1975-06-24 Agfa Gevaert Nv Neutron detection and radiography
IT988807B (it) * 1973-05-30 1975-04-30 Montedison Spa Procedimento per la preparazio ne di materiali luminescenti a base di ossisolfuri
US4113648A (en) * 1974-11-20 1978-09-12 Gte Sylvania Incorporated Terbium-activated rare earth oxysulfide phosphors with controlled decay
GB1479706A (en) * 1975-02-27 1977-07-13 Wilkinson Sword Ltd Aerosol foams
US4107070A (en) * 1976-11-29 1978-08-15 Eastman Kodak Company Process for improving the properties of oxysulfide phosphor materials
US4707435A (en) * 1981-05-26 1987-11-17 Minnesota Mining And Manufacturing Company Industrial X-ray system
US4661438A (en) 1985-04-04 1987-04-28 Eastman Kodak Company Quaternized tellurium salt fog inhibiting agents for silver halide photography
US4925594A (en) * 1989-04-24 1990-05-15 Gte Products Corporation Hydrolysis resistance of rare earth oxysulfide phosphors produced by the addition of zinc in synthesis
US4888129A (en) * 1989-04-24 1989-12-19 Gte Products Corporation Process for producing a terbium-activiated gadolinium oxysulfide x-ray phosphor having a specific green/blue emission ratio by the addition of zinc
DE4224931C2 (de) * 1992-07-28 1995-11-23 Siemens Ag Verfahren zur Herstellung einer Szintillatorkeramik und deren Verwendung
DE10335166B4 (de) * 2003-07-30 2006-11-30 Siemens Ag Verfahren zur Herstellung eines keramischen Leuchtstoffs
US8496893B2 (en) * 2009-06-25 2013-07-30 Eestor, Inc. Method of forming a dielectric powder using a precipitated precursor powder
US9486787B1 (en) * 2015-09-17 2016-11-08 University Of Wyoming Method and apparatus for chemical process intensification

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1161339A (en) * 1965-12-13 1969-08-13 Lockheed Aircraft Corp Luminescent Materials
FR1555624A (https=) * 1967-09-14 1969-01-31

Also Published As

Publication number Publication date
CA960851A (en) 1975-01-14
FR2121726B1 (https=) 1974-06-21
US3705858A (en) 1972-12-12
DE2201271A1 (de) 1972-07-20
GB1375052A (https=) 1974-11-27
AU461291B2 (en) 1975-05-22
FR2121726A1 (https=) 1972-08-25
BE777915A (fr) 1972-05-02
DE2201271B2 (de) 1978-11-23
JPS5533479B1 (https=) 1980-08-30
AU3778372A (en) 1973-07-12

Similar Documents

Publication Publication Date Title
DE2339088C3 (de) Leuchtschirm zur Umwandlung von Röntgenstrahlen
DE2353943C2 (de) Leuchtstoff, Verfahren zu dessen Herstellung und dessen Verwendung
DE2201271C3 (de) Verfahren zur Herstellung von Oxychalcogenid-Leuchtstoffen
DE3050703C2 (de) Organische Seltenerdsalzleuchtstoffe
DE2815679C2 (de) Stabilisierte Oxihalogenidleuchtstoffe der Seltenen Erden
DE2719611C2 (de) Leuchtstoff und dessen Verwendung
DE69626911T2 (de) Verfahren zur Herstellung eines Aluminatleuchtstoffs
DE68919575T2 (de) Verfahren zur Herstellung von feinen Teilchen aus Yttrium-Aluminium-Granat und aus Phosphor enthaltendem Yttrium-Aluminium-Granat.
DE1922416B2 (de) Erdalkalimetall-Halophosphat-Leuchtstoff
DE1792502A1 (de) Leuchtstoff auf Chalcogenidbasis mit einem Lanthanidenelement als Aktivator
DE2542481C3 (de) Erdalkalifluorhalogenid-Leuchtstoff
DE2410134B2 (de) Borat-Leuchtstoff
DE10220292A1 (de) Verfahren zur Herstellung eines Lumineszenzmaterials mit hoher thermischer Löschtemperatur
DE2461260A1 (de) Leuchtstoff
DE2051240C3 (de) Anorganische Leuchtstoffe für radiographische Zwecke
DE69509343T2 (de) Geglühtes Erdalkali-Fluorohalogenid-Speicherphosphor, Verfahren zur Herstellung und Strahlungsbild-Speicherträger
DE2729105A1 (de) Leuchtstoffe, leuchtmassen und damit hergestellte schirme oder folien zur intensivierung der wirkung von roentgenstrahlen
DE69105653T2 (de) Phosphorzusammensetzung und im spektralen Gebiet von Silberhalogenidempfindlichkeit hauptfähig emittierender Röntgenverstärkerschirm.
DE2260047A1 (de) Verfahren zum herstellen eines oxids von yttrium und/oder lanthan und/oder den lanthaniden
DE3784985T2 (de) Phosphorpartikel, phosphormischung und fluoreszente lampe.
DE2541748C3 (de) Verfahren zur Herstellung eines mit zweiwertigem Europium aktivierten Erdalkalifluorhalogenidleuchtstoffs
DE2945737A1 (de) Lumineszierendes aluminat
DE3781343T2 (de) Photoerregbarer mit europium aktivierter barium-strontium-magnesium-fluorbromidleuchtstoff.
DE2728524C3 (de) Mit zweiwertigem Europium aktivierte Erdalkalifluorhalogenidleuchtstoffe und deren Verwendung in Röntgenstrahlenbildwandlern
DE1592871C (de) Verfahren zur Herstellung von anorganischen Leuchtstoffen

Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee