MX171701B - Metodo paa formar un revestimiento continuo sobre particulas de fosforo en un polvo fino de fosforo, las particulas obtenidas y las lamparas hechas a partir de las mismas - Google Patents

Metodo paa formar un revestimiento continuo sobre particulas de fosforo en un polvo fino de fosforo, las particulas obtenidas y las lamparas hechas a partir de las mismas

Info

Publication number
MX171701B
MX171701B MX024201A MX2420191A MX171701B MX 171701 B MX171701 B MX 171701B MX 024201 A MX024201 A MX 024201A MX 2420191 A MX2420191 A MX 2420191A MX 171701 B MX171701 B MX 171701B
Authority
MX
Mexico
Prior art keywords
particles
carrier gas
fluidized bed
phosphorus
silicon precursor
Prior art date
Application number
MX024201A
Other languages
English (en)
Inventor
A Gary Sigai
Keith A Klinedinst
Original Assignee
Gte Prod Corp
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 Gte Prod Corp filed Critical Gte Prod Corp
Publication of MX171701B publication Critical patent/MX171701B/es

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
    • C09K11/57—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing manganese or rhenium
    • C09K11/572—Chalcogenides
    • C09K11/574—Chalcogenides with zinc or cadmium
    • 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
    • C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
    • C09K11/025—Use of particular materials as binders, particle coatings or suspension media therefor non-luminescent particle coatings or suspension media
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/38—Devices for influencing the colour or wavelength of the light
    • H01J61/42—Devices for influencing the colour or wavelength of the light by transforming the wavelength of the light by luminescence
    • H01J61/44—Devices characterised by the luminescent material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/38—Devices for influencing the colour or wavelength of the light
    • H01J61/42—Devices for influencing the colour or wavelength of the light by transforming the wavelength of the light by luminescence
    • H01J61/46—Devices characterised by the binder or other non-luminescent constituent of the luminescent material, e.g. for obtaining desired pouring or drying properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Luminescent Compositions (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Chemical Vapour Deposition (AREA)

Abstract

La presente invención un metodo para formar un revestimiento continuo en partículas de fósforo, en un polvo de fósforo fino, caracterizado porque comprende: a) la vaporización de un material precursor que contiene silicio en un gas portador inerte para formar un gas portador que contiene al precursor de silicio vaporizado; b) el paso del gas portador que contiene al precursor de silicio a traves de una mezcla de polvo de fósforo y hasta 1 por ciento de auxiliar fluidizante, para formar un lecho fluidizado en el cual las partículas se suspenden en el gas portador, y para envolver las partículas fluidizadas con el vapor del precursor de silicio del lecho fluidizado que se mantiene a condiciones cercanas a las isotermicas; c) el agitado de partículas por medios de agitación en el lecho fluidizado mientras las partículas se suspenden en el lecho fluidizado y el gas portador; y d) el paso del gas oxidante en el lecho fluidizado en forma separada del gas portador que contiene al precursor de silicio vaporizado y la reacción del gas oxidante con el precursor del silicio vaporizado en las partículas del polvo de fósforo para formar un revestimiento continuo de sílice, de espesor predeterminado en las partículas del fósforo.
MX024201A 1990-01-22 1991-01-21 Metodo paa formar un revestimiento continuo sobre particulas de fosforo en un polvo fino de fosforo, las particulas obtenidas y las lamparas hechas a partir de las mismas MX171701B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/468,432 US5051277A (en) 1990-01-22 1990-01-22 Method of forming a protective bi-layer coating on phosphore particles

Publications (1)

Publication Number Publication Date
MX171701B true MX171701B (es) 1993-11-10

Family

ID=23859791

Family Applications (1)

Application Number Title Priority Date Filing Date
MX024201A MX171701B (es) 1990-01-22 1991-01-21 Metodo paa formar un revestimiento continuo sobre particulas de fosforo en un polvo fino de fosforo, las particulas obtenidas y las lamparas hechas a partir de las mismas

Country Status (10)

Country Link
US (2) US5051277A (es)
EP (1) EP0464179B1 (es)
JP (1) JP3001630B2 (es)
AU (1) AU642967B2 (es)
BR (1) BR9104189A (es)
CA (1) CA2034423C (es)
DE (1) DE69112508T2 (es)
FI (1) FI98925C (es)
MX (1) MX171701B (es)
WO (1) WO1991010715A1 (es)

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Also Published As

Publication number Publication date
BR9104189A (pt) 1991-12-24
CA2034423A1 (en) 1991-07-23
AU7145291A (en) 1991-08-05
EP0464179B1 (en) 1995-08-30
US5309069A (en) 1994-05-03
FI914434A0 (fi) 1991-09-20
DE69112508D1 (de) 1995-10-05
JPH04504441A (ja) 1992-08-06
EP0464179A1 (en) 1992-01-08
DE69112508T2 (de) 1996-02-08
WO1991010715A1 (en) 1991-07-25
FI98925C (fi) 1997-09-10
JP3001630B2 (ja) 2000-01-24
CA2034423C (en) 2003-08-05
FI98925B (fi) 1997-05-30
US5051277A (en) 1991-09-24
AU642967B2 (en) 1993-11-04

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