GB487019A - Improvements in and relating to electric discharge devices - Google Patents

Improvements in and relating to electric discharge devices

Info

Publication number
GB487019A
GB487019A GB27587/37A GB2758737A GB487019A GB 487019 A GB487019 A GB 487019A GB 27587/37 A GB27587/37 A GB 27587/37A GB 2758737 A GB2758737 A GB 2758737A GB 487019 A GB487019 A GB 487019A
Authority
GB
United Kingdom
Prior art keywords
group
oct
mixture
methyl alcohol
layer
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
GB27587/37A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co 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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB487019A publication Critical patent/GB487019A/en
Expired 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
    • C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL 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
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/02—Surface treatment of glass, not in the form of fibres or filaments, by coating with glass
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL 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
    • C03C4/00—Compositions for glass with special properties

Abstract

487,019. Coating glass surfaces. BRITISH THOMSON-HOUSTON CO., Ltd. Oct. 11, 1937, No. 27587. Convention date, Oct. 20, 1936. [Class 56] [Also in Group XX] A discharge device such as that described in Specification 485,329, [Group XX], is provided on the inner surface of its envelope with a layer of a fused glaze consisting of boron phosphate, and finely divided luminescent material, such as cadmium or zinc silicate, adherent thereto. The layer is formed by applying a mixture of boric acid and phosphoric acid in a volatile solvent, drying spontaneously or in a stream of air until the coating is tacky, dusting on the luminescent powder, and heating at 450‹ C. to form the glaze. The volatile solvent may be a mixture of methyl alcohol and acetone, or, if rapid drying is desired, methyl alcohol only. Specification 405,964, [Group XX], also is referred to.
GB27587/37A 1936-10-20 1937-10-11 Improvements in and relating to electric discharge devices Expired GB487019A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US106613A US2109984A (en) 1936-10-20 1936-10-20 Electric discharge device

Publications (1)

Publication Number Publication Date
GB487019A true GB487019A (en) 1938-06-14

Family

ID=22312348

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27587/37A Expired GB487019A (en) 1936-10-20 1937-10-11 Improvements in and relating to electric discharge devices

Country Status (3)

Country Link
US (1) US2109984A (en)
FR (1) FR828067A (en)
GB (1) GB487019A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2423626A (en) * 1944-05-20 1947-07-08 Rauland Corp Method of manufacturing screens in cathode-ray tubes
US2706691A (en) * 1949-05-18 1955-04-19 Osram G M B H Kommanditgesells Method of coating glass bulbs
US4231892A (en) * 1979-03-05 1980-11-04 International Business Machines Corporation Manganese doped zinc silicate luminescent phosphors with III-V oxide substitutions
US5188763A (en) * 1986-08-29 1993-02-23 Gte Products Corporation Method for preparing zinc orthosilicate phosphor
US5196234A (en) * 1986-08-29 1993-03-23 Gte Products Corporation Method for preparing zinc orthosilicate phosphor particle
US4950948A (en) * 1988-11-07 1990-08-21 Gte Laboratories Incorporated Manganese activated zinc silicate phosphor

Also Published As

Publication number Publication date
US2109984A (en) 1938-03-01
FR828067A (en) 1938-05-10

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