GB1464148A - Manufacturing gas discharge display panels - Google Patents

Manufacturing gas discharge display panels

Info

Publication number
GB1464148A
GB1464148A GB5558874A GB5558874A GB1464148A GB 1464148 A GB1464148 A GB 1464148A GB 5558874 A GB5558874 A GB 5558874A GB 5558874 A GB5558874 A GB 5558874A GB 1464148 A GB1464148 A GB 1464148A
Authority
GB
United Kingdom
Prior art keywords
conductors
etching
dielectric
coating
gas discharge
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
GB5558874A
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1464148A publication Critical patent/GB1464148A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • 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
    • C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
    • C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
    • C03C8/10—Frit compositions, i.e. in a powdered or comminuted form containing lead
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
    • 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
    • H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
    • H01J9/26—Sealing together parts of vessels
    • H01J9/261—Sealing together parts of vessels the vessel being for a flat panel display
    • 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
    • C03C2218/00—Methods for coating glass
    • C03C2218/30—Aspects of methods for coating glass not covered above
    • C03C2218/32—After-treatment
    • C03C2218/328—Partly or completely removing a coating
    • C03C2218/33—Partly or completely removing a coating by etching

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Manufacturing & Machinery (AREA)
  • Gas-Filled Discharge Tubes (AREA)
  • Surface Treatment Of Glass (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Joining Of Glass To Other Materials (AREA)

Abstract

1464148 Making gas discharge panels INTERNATIONAL BUSINESS MACHINES CORP 23 Dec 1974 [16 Jan 1974] 55588/74 Heading C1M A method of making a gas discharge display panel comprises assembling a panel comprising partially overlapping glass plates 10, 12 sealed together to enclose a gas volume, each plate having on its inner surface conductors (21-28 and 31-40) covered by a lead glass dielectric, the conductors and dielectric terminating at or near the outer edge of a non-overlapping region of the plate, and removing the dielectric coating from the terminal regions of the conductors by etching with perchloric acid solution. A preferred method comprises the steps of:- (a) coating soda-lime-silica glass plates 10, 12 with successive layers of Cr (1000 Š thick), Cu (10,000 Š) and Cr (1000 Š); (b) removing parts of the metal coating by etching to form parallel conductors 21-28, 31-40; (c) heating in an atmosphere of 90% (by volume) N 2 and 10% H 2 which contains water vapour to passivate the metal by formation of a chromium oxide surface layer; (d) coating with a dielectric lead glass; (e) assembling the plates and sealing them together to form a discharge panel; (f) removing the lead glass from the terminal regions of the conductors by etching with 10% by volume perchloric acid solution; and (g) removing the outer layer of Cr by etching with potassium ferricyanide solution.
GB5558874A 1974-01-16 1974-12-23 Manufacturing gas discharge display panels Expired GB1464148A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US433716A US3909094A (en) 1974-01-16 1974-01-16 Gas panel construction

Publications (1)

Publication Number Publication Date
GB1464148A true GB1464148A (en) 1977-02-09

Family

ID=23721272

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5558874A Expired GB1464148A (en) 1974-01-16 1974-12-23 Manufacturing gas discharge display panels

Country Status (6)

Country Link
US (1) US3909094A (en)
JP (1) JPS5444555B2 (en)
DE (1) DE2459834A1 (en)
FR (1) FR2257994B1 (en)
GB (1) GB1464148A (en)
IT (1) IT1027649B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0050294B1 (en) * 1980-10-20 1987-01-14 Matsushita Electric Industrial Co., Ltd. Method of making an electrode construction and electrode construction obtainable by this method
JPH0542345Y2 (en) * 1986-04-24 1993-10-26
US6268697B1 (en) * 1997-12-16 2001-07-31 Fuji Photo Film Co., Ltd. Flash discharge tube having exterior trigger electrode
US5996736A (en) * 1998-03-11 1999-12-07 Danny Stankiewicz Ladder locking device
FR2781308A1 (en) * 1998-07-15 2000-01-21 Thomson Plasma Display panel spacers, especially for plasma display panels, are produced by applying deposits of height defining the panel sheet spacing onto one of the panel sheets

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3767282A (en) * 1971-11-15 1973-10-23 Ibm Protection of terminal metallurgy during working and reworking of gas discharge display devices
US3778126A (en) * 1971-12-30 1973-12-11 Ibm Gas display panel without exhaust tube structure
US3778127A (en) * 1971-12-30 1973-12-11 Ibm Sealing technique for gas panel
US3778901A (en) * 1971-12-30 1973-12-18 Ibm Method of protecting electrical conductor terminations during gas panel fabrication
US3837724A (en) * 1971-12-30 1974-09-24 Ibm Gas panel fabrication

Also Published As

Publication number Publication date
FR2257994A1 (en) 1975-08-08
IT1027649B (en) 1978-12-20
US3909094A (en) 1975-09-30
DE2459834A1 (en) 1975-07-17
JPS50104566A (en) 1975-08-18
FR2257994B1 (en) 1976-10-22
JPS5444555B2 (en) 1979-12-26

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee