GB744815A - Electron discharge tube grid production - Google Patents

Electron discharge tube grid production

Info

Publication number
GB744815A
GB744815A GB988852A GB988852A GB744815A GB 744815 A GB744815 A GB 744815A GB 988852 A GB988852 A GB 988852A GB 988852 A GB988852 A GB 988852A GB 744815 A GB744815 A GB 744815A
Authority
GB
United Kingdom
Prior art keywords
discharge tube
electron discharge
tube grid
grid production
pair
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
GB988852A
Inventor
Alexander Rizo Rangabe
Reginald Wickham
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.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
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 National Research Development Corp UK filed Critical National Research Development Corp UK
Priority to GB988852A priority Critical patent/GB744815A/en
Publication of GB744815A publication Critical patent/GB744815A/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
    • H01J2893/0024—Planar grids

Landscapes

  • Discharge Lamp (AREA)

Abstract

744,815. Thermionic valves. NATIONAL RESEARCH DEVELOPMENT CORPORATION. July 16, 1953 [April 19, 1952], No. 9888/52. Class 39 (1). [Also in Group XXII] A grid electrode for an electron discharge tube comprises grid wire 2 wound on a pair of spaced support rods 1 and sandwiched between a pair of metal frames 4, the assembly being secured together by brazing (see Group XXII).
GB988852A 1952-04-19 1952-04-19 Electron discharge tube grid production Expired GB744815A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB988852A GB744815A (en) 1952-04-19 1952-04-19 Electron discharge tube grid production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB988852A GB744815A (en) 1952-04-19 1952-04-19 Electron discharge tube grid production

Publications (1)

Publication Number Publication Date
GB744815A true GB744815A (en) 1956-02-15

Family

ID=9880648

Family Applications (1)

Application Number Title Priority Date Filing Date
GB988852A Expired GB744815A (en) 1952-04-19 1952-04-19 Electron discharge tube grid production

Country Status (1)

Country Link
GB (1) GB744815A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3094150A (en) * 1958-07-29 1963-06-18 Cie Ind Francaise Tubes Elect Manufacture of grids for electronic tubes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3094150A (en) * 1958-07-29 1963-06-18 Cie Ind Francaise Tubes Elect Manufacture of grids for electronic tubes

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