GB969313A - Improvements in or relating to methods of manufacturing frame grids for use in electron tubes - Google Patents

Improvements in or relating to methods of manufacturing frame grids for use in electron tubes

Info

Publication number
GB969313A
GB969313A GB2582063A GB2582063A GB969313A GB 969313 A GB969313 A GB 969313A GB 2582063 A GB2582063 A GB 2582063A GB 2582063 A GB2582063 A GB 2582063A GB 969313 A GB969313 A GB 969313A
Authority
GB
United Kingdom
Prior art keywords
frame
wire
nickel
wound
powder
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
GB2582063A
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 Electrical Industries Ltd
Original Assignee
Philips Electrical 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 Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB969313A publication Critical patent/GB969313A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0012—Constructional arrangements
    • H01J2893/0019—Chemical composition and manufacture
    • H01J2893/0022—Manufacture
    • H01J2893/0023—Manufacture carbonising and other surface treatments
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0012—Constructional arrangements
    • H01J2893/0019—Chemical composition and manufacture
    • H01J2893/0022—Manufacture
    • H01J2893/0024—Planar grids

Abstract

969,313. Making electron tube grids; jointing. PHILIPS ELECTRICAL INDUSTRIES Ltd. June 28, 1963 [July 3, 1962], No. 25820/63. Headings B3A and B3V. A method of manufacturing a frame grid, consisting of a frame having a wire winding, comprises the steps of coating, either galvanically or by a chemical reduction process, the frame with an adhering nickel layer, winding a grid wire on the frame, then coating the frame at least in the region of the wound wires with a layer of nickel or nickel oxide powder, and then heating the assembly, either in an inert atmosphere for the nickel powder or in a reducing atmosphere for the nickel oxide powder, at a temperature between 700‹ and 800 ‹ C. The powder, which may be applied by means of a suspension, is thus sintered. To form frame grids wound on one side only wire is wound on two joined frames and after the wire is secured it is cut or ground off along the sides between the two frames.
GB2582063A 1962-07-03 1963-06-28 Improvements in or relating to methods of manufacturing frame grids for use in electron tubes Expired GB969313A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL280491 1962-07-03

Publications (1)

Publication Number Publication Date
GB969313A true GB969313A (en) 1964-09-09

Family

ID=19753945

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2582063A Expired GB969313A (en) 1962-07-03 1963-06-28 Improvements in or relating to methods of manufacturing frame grids for use in electron tubes

Country Status (3)

Country Link
CH (1) CH412120A (en)
DE (1) DE1464316A1 (en)
GB (1) GB969313A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4233807A (en) * 1979-05-31 1980-11-18 Western Electric Company Inc. Apparatus for forming twisted conductor units

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4233807A (en) * 1979-05-31 1980-11-18 Western Electric Company Inc. Apparatus for forming twisted conductor units

Also Published As

Publication number Publication date
DE1464316A1 (en) 1969-01-09
CH412120A (en) 1966-04-30

Similar Documents

Publication Publication Date Title
DE1589577B2 (en) CATHODE BEAM TUBE WITH PISTON FUSED ACCELERATION AND / OR FOCUSING GRID MADE OF PARALLEL METAL WIRES
GB969313A (en) Improvements in or relating to methods of manufacturing frame grids for use in electron tubes
US3141753A (en) Process of making glass-to-metal seals
GB1057909A (en) Method of manufacturing cathodes for electron tubes
GB956956A (en) Grid electrode structure and manufacturing method therefor
GB650681A (en) A method of coating the surfaces of bodies consisting of a core of chromium alloy and a thin layer of another metal
US3311964A (en) Method of manufacturing a frame grid
US2821811A (en) Method of manufacturing cathode-ray tubes
US3622297A (en) Method of fusion sealing wire gird in tube
US2343038A (en) Alloy for metal to glass seals and the like and method of producing same
GB946230A (en) Improved target for an electrostatic writing tube
US3342634A (en) Method of producing black, metalcontaining surface layers
ES367326A1 (en) Method of manufacturing a gauze electrode for use in a vidicon camera tube and camera
DE1589577C3 (en) Cathode ray tube with post-acceleration and / or refocusing grid made of parallel metal wires melted into the bulb
US3189779A (en) Frame grid and method of fabrication
GB893672A (en) Improvements in or relating to the manufacture of wire-wound grids for electron-discharge tubes
SU583515A1 (en) Method of manufacturing laminated monolithic magnetic circuits
DE1021496B (en) Process for the production of a cathode for gas discharge tubes
US3214821A (en) Manufacture of electron discharge devices having cathodes
JPS5313350A (en) Manufacture of cathode-ray tube
GB946288A (en) Improvements in methods of soldering grid wires
CA1032417A (en) Method of manufacturing an electric discharge tube having an oxide cathode and electric discharge tube manufactured by means of said method
FR2024886A1 (en) Coating for electron tube
GB955115A (en) Improvements in or relating to electron discharge devices
GB1011225A (en) Fabrication of frame grids for electron tubes