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GB975459A - Improvements in or relating to electric discharge tubes - Google Patents

Improvements in or relating to electric discharge tubes

Info

Publication number
GB975459A
GB975459A GB1375061A GB1375061A GB975459A GB 975459 A GB975459 A GB 975459A GB 1375061 A GB1375061 A GB 1375061A GB 1375061 A GB1375061 A GB 1375061A GB 975459 A GB975459 A GB 975459A
Authority
GB
United Kingdom
Prior art keywords
range
electric discharge
discharge tubes
relating
graphite
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
GB1375061A
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries 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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB975459A publication Critical patent/GB975459A/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43DMACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D25/00Devices for gluing shoe parts
    • A43D25/14Devices for filling the shoe bottom
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/22Surface treatment of glass, not in the form of fibres or filaments, by coating with other inorganic material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/86Vessels; Containers; Vacuum locks
    • H01J29/88Vessels; Containers; Vacuum locks provided with coatings on the walls thereof; Selection of materials for the coatings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/02Vessels; Containers; Shields associated therewith; Vacuum locks
    • H01J5/08Vessels; Containers; Shields associated therewith; Vacuum locks provided with coatings on the walls thereof; Selection of materials for the coatings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Conductive Materials (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)

Abstract

In an aqueous suspension of graphite, containing a zinc oxide filler, and a silicate, phosphate or borate adhesive, the graphite has a heterogeneous distribution by weight with respect to grain size throughout the range of grain sizes 0 to 50 m , with the two highest peaks in the distribution curve lying one within the range 0 to 5 m and the other within the range 20 to 50 m . The suspension, which may also contain dextrine, is applied as a conductive coating on electric discharge tubes. Reference has been directed by the Comptroller to Specification 925,521.
GB1375061A 1960-04-20 1961-04-17 Improvements in or relating to electric discharge tubes Expired GB975459A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP24865A DE1169619B (en) 1960-04-20 1960-04-20 Graphite suspension for the formation of conductive inner coatings in electron beam tubes

Publications (1)

Publication Number Publication Date
GB975459A true GB975459A (en) 1964-11-18

Family

ID=7369843

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1375061A Expired GB975459A (en) 1960-04-20 1961-04-17 Improvements in or relating to electric discharge tubes

Country Status (4)

Country Link
CH (1) CH404814A (en)
DE (1) DE1169619B (en)
GB (1) GB975459A (en)
NL (2) NL131437C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1564508B1 (en) * 1966-09-29 1970-09-24 Philips Patentverwaltung Graphite suspension in water to form conductive inner coatings in electron beam tubes

Also Published As

Publication number Publication date
DE1169619B (en) 1964-05-06
NL263635A (en)
NL131437C (en)
CH404814A (en) 1965-12-31

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