GB482168A - Improvement in secondary electron emission electrode - Google Patents

Improvement in secondary electron emission electrode

Info

Publication number
GB482168A
GB482168A GB6185/37A GB618537A GB482168A GB 482168 A GB482168 A GB 482168A GB 6185/37 A GB6185/37 A GB 6185/37A GB 618537 A GB618537 A GB 618537A GB 482168 A GB482168 A GB 482168A
Authority
GB
United Kingdom
Prior art keywords
improvement
electron emission
secondary electron
emission electrode
electrode
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
GB6185/37A
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.)
Farnsworth Television Inc
Original Assignee
Farnsworth Television Inc
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 Farnsworth Television Inc filed Critical Farnsworth Television Inc
Publication of GB482168A publication Critical patent/GB482168A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02Main electrodes
    • H01J1/32Secondary-electron-emitting electrodes

Landscapes

  • Solid Thermionic Cathode (AREA)
  • Discharge Lamp (AREA)

Abstract

An electrode for an electron multiplier consists of an alloy of 99 per cent of nickel and 1 per cent of barium.
GB6185/37A 1936-03-24 1937-03-02 Improvement in secondary electron emission electrode Expired GB482168A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70714A US2139813A (en) 1936-03-24 1936-03-24 Secondary emission electrode

Publications (1)

Publication Number Publication Date
GB482168A true GB482168A (en) 1938-03-24

Family

ID=22096944

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6185/37A Expired GB482168A (en) 1936-03-24 1937-03-02 Improvement in secondary electron emission electrode

Country Status (2)

Country Link
US (1) US2139813A (en)
GB (1) GB482168A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR972357A (en) * 1941-02-14 1951-01-29 Csf Ultra-shortwave amplifier tubes improvements
US2490468A (en) * 1946-10-19 1949-12-06 Rca Corp Vacuum gauge structure
US11588421B1 (en) 2019-08-15 2023-02-21 Robert M. Lyden Receiver device of energy from the earth and its atmosphere

Also Published As

Publication number Publication date
US2139813A (en) 1938-12-13

Similar Documents

Publication Publication Date Title
GB482168A (en) Improvement in secondary electron emission electrode
GB488688A (en) Improvements in or relating to secondary electron emitting electrodes
GB445215A (en) Improvements in electric high-pressure metal-vapour discharge lamps and like electric discharge devices
GB423092A (en) Improvements in or relating to electron discharge devices
GB493714A (en) Improvements in or relating to electron multipliers
AU101958B2 (en) Improvements relating to electron discharge tubes or thermionic valves and circuit arrangements for use therewith
GB483562A (en) Improvements relating to secondary electric batteries
AU452736A (en) Improvements relating to electron discharge tubes or thermionic valves and circuit arrangements for use therewith
AU107512B2 (en) Improvements in or relating tothe control of secondary emission fromthe scanned electrode in electron discharge tube arrangements
GB437536A (en) A new or improved galvanic battery
GB436712A (en) Improvements in or relating to indirectly heated cathode structures and electron discharge devices incorporating the same
AU215538A (en) Improvements in or relating tothe control of secondary emission fromthe scanned electrode in electron discharge tube arrangements
AU104007B2 (en) Method of and arrangement for operating Braun tubes
AU101813B2 (en) Testing arrangements for electron discharge devices and methods of operating same
AU103564B2 (en) Electron multiplier tubes and systems
AU129436A (en) Cathode ray oscilloscope
AU423336A (en) Method of and arrangement for operating Braun tubes
AU104040B2 (en) Improvements in or relating to electron discharge devices containing atleast one electrode capable of secondary emission
GB492055A (en) Improvements in secondary emission electron multipliers
AU328636A (en) Testing arrangements for electron discharge devices and methods of operating same
GB425342A (en) Improvements in or relating to electrolytic condensers
AU539836A (en) Electron multiplier tubes and systems
AU167637A (en) Improvements in or relating to electron discharge devices containing atleast one electrode capable of secondary emission
IE14155L (en) Cathode ray tubes
GB401147A (en) Improvements in and relating to the manufacture of cartridge cases and apparatus therefor