FR2415657A1 - PREPARATION OF PHOSPHORES USED IN AN OPTICAL CARD READER - Google Patents
PREPARATION OF PHOSPHORES USED IN AN OPTICAL CARD READERInfo
- 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
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.
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)
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)
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)
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 |
-
1978
- 1978-01-27 JP JP725278A patent/JPS54100991A/en active Granted
-
1979
- 1979-01-05 SE SE7900099A patent/SE430072B/en not_active IP Right Cessation
- 1979-01-19 FR FR7901312A patent/FR2415657A1/en active Granted
- 1979-01-26 GB GB7902803A patent/GB2013233B/en not_active Expired
- 1979-01-26 DE DE19792903073 patent/DE2903073B2/en active Granted
- 1979-01-29 NL NL7900695A patent/NL179396C/en not_active IP Right Cessation
- 1979-01-29 CA CA320,411A patent/CA1125494A/en not_active Expired
Patent Citations (5)
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)
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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