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IT1065695B - Metodo per la preparazione di particelle di materiale fosforico rivestite di materiale filtrante - Google Patents

Metodo per la preparazione di particelle di materiale fosforico rivestite di materiale filtrante

Info

Publication number
IT1065695B
IT1065695B IT30900/76A IT3090076A IT1065695B IT 1065695 B IT1065695 B IT 1065695B IT 30900/76 A IT30900/76 A IT 30900/76A IT 3090076 A IT3090076 A IT 3090076A IT 1065695 B IT1065695 B IT 1065695B
Authority
IT
Italy
Prior art keywords
preparation
parts
phosphoric
filter material
coated
Prior art date
Application number
IT30900/76A
Other languages
English (en)
Original Assignee
Rca 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 Rca Corp filed Critical Rca Corp
Application granted granted Critical
Publication of IT1065695B publication Critical patent/IT1065695B/it

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
    • C09K11/02—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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
    • H01J9/22—Applying luminescent coatings
    • H01J9/227—Applying luminescent coatings with luminescent material discontinuously arranged, e.g. in dots or lines
    • H01J9/2278—Application of light absorbing material, e.g. between the luminescent areas
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Luminescent Compositions (AREA)
IT30900/76A 1976-01-23 1976-12-27 Metodo per la preparazione di particelle di materiale fosforico rivestite di materiale filtrante IT1065695B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/651,919 US4021588A (en) 1976-01-23 1976-01-23 Method for preparing filter-coated phosphor particles

Publications (1)

Publication Number Publication Date
IT1065695B true IT1065695B (it) 1985-03-04

Family

ID=24614776

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30900/76A IT1065695B (it) 1976-01-23 1976-12-27 Metodo per la preparazione di particelle di materiale fosforico rivestite di materiale filtrante

Country Status (7)

Country Link
US (1) US4021588A (it)
JP (1) JPS5291787A (it)
BE (1) BE850649A (it)
DE (1) DE2702491A1 (it)
FR (1) FR2338983A1 (it)
GB (1) GB1563526A (it)
IT (1) IT1065695B (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5827832B2 (ja) * 1977-05-04 1983-06-11 化成オプトニクス株式会社 顔料付螢光体
US4152483A (en) * 1977-11-18 1979-05-01 Dai Nippon Toryo Co., Ltd. Pigment coated phosphor and process for manufacturing the same
US4209567A (en) * 1977-11-24 1980-06-24 Tokyo Shibaura Denki Kabushiki Kaisha Red pigment-coated phosphor and method of producing the same
JPS598379B2 (ja) * 1978-02-03 1984-02-24 化成オプトニクス株式会社 着色螢光体およびその製造方法
US4307320B1 (en) * 1978-02-03 1993-12-28 Kasei Optonix, Ltd. Pigment coated phosphor and high contrast color television cathode ray tube using same
JPS5545712A (en) * 1978-09-27 1980-03-31 Hitachi Ltd Manufacture of pigment-adhered red luminescent fluophor
DE2900209A1 (de) 1979-01-04 1980-07-24 Riedel De Haen Ag Verfahren zur herstellung eines mit rotem eisenoxid ummantelten rot emittierenden leuchtpigmentes
DE3012055A1 (de) * 1980-03-28 1981-10-08 Videocolor GmbH, 7900 Ulm Verfahren zum ummanteln von leuchtstoffteilchen
US4420444A (en) * 1981-12-08 1983-12-13 Hitachi, Ltd. Process for forming phosphor powder layer
JPS6164784A (ja) * 1984-09-07 1986-04-03 Kasei Optonix Co Ltd 顔料付螢光体の製造方法
DE3787684T2 (de) * 1986-07-11 1994-02-03 Fuji Photo Film Co Ltd Schirm zum Speichern eines Strahlungsbildes und Verfahren zur Herstellung desselben.
JPH07116429B2 (ja) * 1989-08-25 1995-12-13 日亜化学工業株式会社 顔料付き蛍光体
US5145743A (en) * 1990-10-25 1992-09-08 E. I. Du Pont De Nemours And Company X-ray intensifying screens with improved sharpness
EP0720201B1 (en) * 1994-12-26 1999-02-17 Kabushiki Kaisha Toshiba Display screen and method of manufacturing the same

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2684306A (en) * 1947-10-09 1954-07-20 Emi Ltd Production of fluorescent screens by settling materials from liquid suspepnsions
US2774682A (en) * 1952-10-15 1956-12-18 Rca Corp Method of forming a phosphor screen
US2971859A (en) * 1958-06-30 1961-02-14 Rca Corp Luminescent materials and methods of preparation thereof
US3264133A (en) * 1962-05-02 1966-08-02 Lockheed Aircraft Corp Electroluminescent phosphors and method for making same
NL144086B (nl) * 1965-08-31 1974-11-15 Dainippon Toryo Kk Werkwijze voor het bekleden van deeltjes van een luminescerende stof, alsmede voorwerp bevattende een bekleding verkregen onder toepassing van met deze werkwijze beklede deeltjes.
US3308326A (en) * 1966-05-19 1967-03-07 Zenith Radio Corp Color image reproducer having red phosphor combined with red-pass filter element
US3875449A (en) * 1969-10-02 1975-04-01 U S Radium Corp Coated phosphors
NL7014437A (it) * 1969-10-02 1971-04-06
US3690929A (en) * 1970-01-15 1972-09-12 Yoshiyuki Yokota Stabilization of phosphor slurries
NL162423C (nl) * 1970-06-13 1980-05-16 Philips Nv Werkwijze voor het bereiden van een lumines- cerend van een barrierelaag voorzien chalcogenide, alsmede kathodestraalbuis, waarvan het luminescerende scherm een dergelijk chalcogenide bevat.
US3784239A (en) * 1971-09-07 1974-01-08 J Carter Sealed, filament-wound plastic sleeve
US3886394A (en) * 1973-09-04 1975-05-27 Rca Corp Image display employing filter coated phosphor particles
US3927240A (en) * 1974-06-12 1975-12-16 Gte Sylvania Inc Haze resistant cathode luminescent sulfide phosphors and method of preparing same

Also Published As

Publication number Publication date
GB1563526A (en) 1980-03-26
BE850649A (fr) 1977-05-16
JPS5291787A (en) 1977-08-02
DE2702491A1 (de) 1977-07-28
US4021588A (en) 1977-05-03
FR2338983A1 (fr) 1977-08-19

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