ES324472A1 - IMPROVEMENTS MADE IN THE PREPARATION OF LUMINESCENT SUBSTANCES. - Google Patents

IMPROVEMENTS MADE IN THE PREPARATION OF LUMINESCENT SUBSTANCES.

Info

Publication number
ES324472A1
ES324472A1 ES0324472A ES324472A ES324472A1 ES 324472 A1 ES324472 A1 ES 324472A1 ES 0324472 A ES0324472 A ES 0324472A ES 324472 A ES324472 A ES 324472A ES 324472 A1 ES324472 A1 ES 324472A1
Authority
ES
Spain
Prior art keywords
preparation
improvements made
luminescent substances
luminescent
group
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
ES0324472A
Other languages
Spanish (es)
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Publication of ES324472A1 publication Critical patent/ES324472A1/en
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
    • C09K11/77—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials containing rare earth metals
    • C09K11/7766—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
    • C09K11/7767—Chalcogenides
    • C09K11/7769—Oxides
    • C09K11/7771—Oxysulfides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Luminescent Compositions (AREA)

Abstract

Improvements introduced in the preparation of luminescent substances characterized in that the substances comprise an oxyalcogenide of at least one member of the group consisting of lanthanum and lutetium, said luminescent substance containing, for each mole of said luminescent substance, between 0.0002 and 0.2 moles of a member of the group consisting of dysprosium, erbium, europium, holmium, neodymium, praseodymium, samarium, terbium and thulium. (Machine-translation by Google Translate, not legally binding)
ES0324472A 1965-03-24 1966-03-22 IMPROVEMENTS MADE IN THE PREPARATION OF LUMINESCENT SUBSTANCES. Expired ES324472A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44251865A 1965-03-24 1965-03-24

Publications (1)

Publication Number Publication Date
ES324472A1 true ES324472A1 (en) 1967-03-16

Family

ID=23757107

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0324472A Expired ES324472A1 (en) 1965-03-24 1966-03-22 IMPROVEMENTS MADE IN THE PREPARATION OF LUMINESCENT SUBSTANCES.

Country Status (10)

Country Link
AT (1) AT271661B (en)
BE (1) BE678413A (en)
CA (1) CA952706A (en)
DE (1) DE1279872B (en)
DK (1) DK117848B (en)
ES (1) ES324472A1 (en)
FR (1) FR1473532A (en)
GB (1) GB1121055A (en)
NL (1) NL6603804A (en)
SE (1) SE301528B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3502590A (en) * 1967-03-01 1970-03-24 Rca Corp Process for preparing phosphor
EP0030853B1 (en) * 1979-12-12 1984-09-12 Hitachi, Ltd. Phosphor and method of manufacturing the phosphor
US5166948A (en) * 1991-06-19 1992-11-24 Polaroid Corporation Optically pumped up converting light source
EP1493798A1 (en) * 2003-06-30 2005-01-05 Agfa-Gevaert Rare earth activated lutetium oxysulfide phosphor for direct x-ray detection.
DE602004030263D1 (en) * 2003-09-24 2011-01-05 Toshiba Kk SCINTILLATOR CERAMICS AND RADIATION DETECTOR AND RADIOGRAPHIC INSPECTION DEVICE CONTAINING THEM

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1343851A (en) * 1962-11-05 1963-11-22 Du Pont New luminescent compositions

Also Published As

Publication number Publication date
DK117848B (en) 1970-06-08
NL6603804A (en) 1966-09-26
BE678413A (en) 1966-09-01
DE1279872B (en) 1968-10-10
AT271661B (en) 1969-06-10
CA952706A (en) 1974-08-13
FR1473532A (en) 1967-03-17
SE301528B (en) 1968-06-10
GB1121055A (en) 1968-07-24

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