FR2415657A1 - PREPARATION OF PHOSPHORES USED IN AN OPTICAL CARD READER - Google Patents

PREPARATION OF PHOSPHORES USED IN AN OPTICAL CARD READER

Info

Publication number
FR2415657A1
FR2415657A1 FR7901312A FR7901312A FR2415657A1 FR 2415657 A1 FR2415657 A1 FR 2415657A1 FR 7901312 A FR7901312 A FR 7901312A FR 7901312 A FR7901312 A FR 7901312A FR 2415657 A1 FR2415657 A1 FR 2415657A1
Authority
FR
France
Prior art keywords
ndx
card reader
optical card
yby
phosphores
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.)
Granted
Application number
FR7901312A
Other languages
French (fr)
Other versions
FR2415657B1 (en
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.)
Hitachi Ltd
Original Assignee
Hitachi 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
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of FR2415657A1 publication Critical patent/FR2415657A1/en
Application granted granted Critical
Publication of FR2415657B1 publication Critical patent/FR2415657B1/fr
Granted 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
    • C09K11/7776—Vanadates; Chromates; Molybdates; Tungstates
    • 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
    • C09K11/7777—Phosphates
    • 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
    • C09K11/778—Borates

Landscapes

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

Abstract

Description d'un phosphore co-activé avec Nd**3+ et Yb**3+, excité par des rayons infrarouges et possédant un spectre d'émission dans la région de longueur d'onde de l'infrarouge. Ce phosphore répond aux formules générales suivantes : Ln1-x-y Ndx Yby A5 (MO 4 )4 ; Ln1-x-y Ndx Yby D3 (BO3 ) 4 ; Ln1-x-y Ndx Yby P5 O14 ; Ln1-x-y Nd x Yby A3 (PO4 )2 ; Ln1-x-y Ndx Yb y Na2 Mg2 (VO4 )3 ; ou Ln1-x-y Ndx Yb y A'(MO4 )2 dans lesquelles Ln représente Bi, Ce, Ga, Gd, In, La, Lu, Sb, Sc et/ou Y; A représente K et/ou Na; M représente W et/ou Mo; D représente Al et/ou Cr; et A' représente Li, Na et/ou K. Ce phosphore est utilisé pour un lecteur optique de cartes ou analogue.Description of a phosphorus co-activated with Nd ** 3 + and Yb ** 3 +, excited by infrared rays and having an emission spectrum in the infrared wavelength region. This phosphorus corresponds to the following general formulas: Ln1-x-y Ndx Yby A5 (MO 4) 4; Ln1-x-y Ndx Yby D3 (BO3) 4; Ln1-x-y Ndx Yby P5 O14; Ln1-x-y Nd x Yby A3 (PO4) 2; Ln1-x-y Ndx Yb y Na2 Mg2 (VO4) 3; or Ln1-x-y Ndx Yb y A '(MO4) 2 in which Ln represents Bi, Ce, Ga, Gd, In, La, Lu, Sb, Sc and / or Y; A represents K and / or Na; M represents W and / or Mo; D represents Al and / or Cr; and A 'represents Li, Na and / or K. This phosphorus is used for an optical card reader or the like.

FR7901312A 1978-01-27 1979-01-19 PREPARATION OF PHOSPHORES USED IN AN OPTICAL CARD READER Granted FR2415657A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP725278A JPS54100991A (en) 1978-01-27 1978-01-27 Fluorescent substance

Publications (2)

Publication Number Publication Date
FR2415657A1 true FR2415657A1 (en) 1979-08-24
FR2415657B1 FR2415657B1 (en) 1983-11-10

Family

ID=11660827

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7901312A Granted FR2415657A1 (en) 1978-01-27 1979-01-19 PREPARATION OF PHOSPHORES USED IN AN OPTICAL CARD READER

Country Status (7)

Country Link
JP (1) JPS54100991A (en)
CA (1) CA1125494A (en)
DE (1) DE2903073B2 (en)
FR (1) FR2415657A1 (en)
GB (1) GB2013233B (en)
NL (1) NL179396C (en)
SE (1) SE430072B (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES8203280A1 (en) * 1980-05-30 1982-04-01 Gao Ges Automation Org Paper security with authenticity mark of luminescent material and method for the authentication thereof.
CH656656A5 (en) * 1980-05-30 1986-07-15 Gao Ges Automation Org SECURITY PAPER WITH AUTHENTICITY CHARACTERISTICS IN THE FORM OF LUMINESCENT AND ABSORBENT SUBSTANCES.
ES503247A0 (en) * 1980-05-30 1982-05-16 Gao Ges Automation Org IMPROVEMENTS IN THE MANUFACTURE OF PAPER PROVIDED WITH SAFETY SEA-CAS
DE3121523A1 (en) * 1980-05-30 1982-04-15 GAO Gesellschaft für Automation und Organisation mbH, 8000 München Securities with originality features in the form of luminescent substances, method and device for determining originality
JPS5916582U (en) * 1982-07-26 1984-02-01 齋田　ミツ A dried cushion that can be used as a disaster prevention tool
JPH0331280Y2 (en) * 1988-12-09 1991-07-02
US5611958A (en) * 1993-05-11 1997-03-18 Hitachi Maxell, Ltd. Infrared phosphor and material having latent images and optical reading system using said phosphor
DE69513350T2 (en) 1994-03-17 2000-07-27 Hitachi Maxell, Ltd. PHOSPHORUS, PHOSPHORUS COMPOSITION and FLUORESCENT MARKER
EP1865044B1 (en) * 2005-03-29 2009-11-18 Nemoto & Co., Ltd. Infra-red light emitting fluorescent substance
WO2009064845A2 (en) 2007-11-16 2009-05-22 Bernstein Eric F Sterilizing compositions comprising phosphors for converting electromagnetic radiation to uvc radiation and methods for using the same
JP5163108B2 (en) * 2007-12-26 2013-03-13 大日本印刷株式会社 Writing medium and writable writing system
JP2011021161A (en) * 2009-07-21 2011-02-03 National Printing Bureau Phosphor
CN102863961B (en) * 2011-07-08 2014-07-23 海洋王照明科技股份有限公司 Cerium-doped yttrium-aluminum borate luminescent material, preparation method and application thereof
CN102424750B (en) * 2011-10-20 2013-08-21 北京工商大学 Tungstate near infrared quantum cutting material and preparation method and application thereof
US9074137B2 (en) * 2011-11-15 2015-07-07 Honeywell International Inc. Luminescent borates, materials and articles incorporating such borates, and methods and apparatus for their production and use in article authentication
US8993101B2 (en) * 2011-11-15 2015-03-31 Honeywell International Inc. Luminescent borates, materials and articles incorporating such borates, and methods and apparatus for their production and use in article authentication
US9062220B2 (en) * 2012-11-30 2015-06-23 Honeywell International Inc. Luminescent borates, luminescent materials and articles incorporating such borates
CN104178726A (en) * 2013-05-23 2014-12-03 海洋王照明科技股份有限公司 Luminescent film of antimony-terbium co-doped rare earth aluminoborate and preparation method thereof and electroluminescent device
CN104004519B (en) * 2014-06-06 2016-02-10 西北大学 A kind of near infrared down-conversion luminescent material, preparation method and application thereof
CN113481009B (en) * 2021-07-02 2022-08-30 山东大学 Cr (chromium) 3+ And Yb 3+ Codoped infrared luminescent material, and preparation method and application thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1532609A (en) * 1967-06-01 1968-07-12 Infra-red radiation detector compositions and screens and corresponding preparation processes
FR2241497A1 (en) * 1973-08-21 1975-03-21 Max Planck Gesellschaft
FR2329342A1 (en) * 1972-01-24 1977-05-27 Western Electric Co CRYSTALLIZED PHOSPHATES FOR LASERS
DE2750321A1 (en) * 1976-11-12 1978-05-18 Hitachi Ltd INFRARED INFRARED FLUORESCENT
FR2382490A1 (en) * 1977-03-02 1978-09-29 Hitachi Ltd PROCESS FOR MANUFACTURING PHOSPHORES, IN PARTICULAR PHOSPHORES EMITTING INFRARED IN RESPONSE TO THE RECEPTION OF INFRARED

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3462707A (en) * 1965-05-25 1969-08-19 Bell Telephone Labor Inc Nd and yb doped borate laser glass
GB1147377A (en) * 1965-12-02 1969-04-02 American Optical Corp Method of generating laser light

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1532609A (en) * 1967-06-01 1968-07-12 Infra-red radiation detector compositions and screens and corresponding preparation processes
FR2329342A1 (en) * 1972-01-24 1977-05-27 Western Electric Co CRYSTALLIZED PHOSPHATES FOR LASERS
FR2241497A1 (en) * 1973-08-21 1975-03-21 Max Planck Gesellschaft
DE2750321A1 (en) * 1976-11-12 1978-05-18 Hitachi Ltd INFRARED INFRARED FLUORESCENT
FR2382490A1 (en) * 1977-03-02 1978-09-29 Hitachi Ltd PROCESS FOR MANUFACTURING PHOSPHORES, IN PARTICULAR PHOSPHORES EMITTING INFRARED IN RESPONSE TO THE RECEPTION OF INFRARED

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/76 *

Also Published As

Publication number Publication date
NL179396C (en) 1986-09-01
DE2903073C3 (en) 1990-08-02
SE7900099L (en) 1979-07-28
GB2013233A (en) 1979-08-08
GB2013233B (en) 1982-03-10
JPS54100991A (en) 1979-08-09
DE2903073B2 (en) 1981-05-14
FR2415657B1 (en) 1983-11-10
NL7900695A (en) 1979-07-31
CA1125494A (en) 1982-06-15
DE2903073A1 (en) 1979-08-02
SE430072B (en) 1983-10-17
NL179396B (en) 1986-04-01
JPS564598B2 (en) 1981-01-30

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