GB768916A - Improvements in nickel alloy cathodes for electron discharge devices - Google Patents

Improvements in nickel alloy cathodes for electron discharge devices

Info

Publication number
GB768916A
GB768916A GB11998/55A GB1199855A GB768916A GB 768916 A GB768916 A GB 768916A GB 11998/55 A GB11998/55 A GB 11998/55A GB 1199855 A GB1199855 A GB 1199855A GB 768916 A GB768916 A GB 768916A
Authority
GB
United Kingdom
Prior art keywords
electron discharge
nickel alloy
discharge devices
alloy cathodes
cathodes
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
GB11998/55A
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.)
GTE Sylvania Inc
Original Assignee
Sylvania Electric Products 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 Sylvania Electric Products Inc filed Critical Sylvania Electric Products Inc
Publication of GB768916A publication Critical patent/GB768916A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details 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
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/26—Supports for the emissive material

Landscapes

  • Electrodes For Cathode-Ray Tubes (AREA)
  • Solid Thermionic Cathode (AREA)

Abstract

An electron discharge device has a cathode, preferably of the sleeve type, made of an alloy of the composition:- .Cr.4.23 - 12.0.per cent .Ni.the balance..
GB11998/55A 1954-04-26 1955-04-26 Improvements in nickel alloy cathodes for electron discharge devices Expired GB768916A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US768916XA 1954-04-26 1954-04-26

Publications (1)

Publication Number Publication Date
GB768916A true GB768916A (en) 1957-02-20

Family

ID=22134798

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11998/55A Expired GB768916A (en) 1954-04-26 1955-04-26 Improvements in nickel alloy cathodes for electron discharge devices

Country Status (1)

Country Link
GB (1) GB768916A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0183488A2 (en) * 1984-11-27 1986-06-04 Rca Licensing Corporation Electron tube or gun having an oxide cathode

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0183488A2 (en) * 1984-11-27 1986-06-04 Rca Licensing Corporation Electron tube or gun having an oxide cathode
EP0183488A3 (en) * 1984-11-27 1988-07-06 Rca Licensing Corporation Electron tube or gun having an oxide cathode
US4904896A (en) * 1984-11-27 1990-02-27 Rca Licensing Corporation Vacuum electron tube having an oxide cathode comprising chromium reducing agent

Similar Documents

Publication Publication Date Title
GB768916A (en) Improvements in nickel alloy cathodes for electron discharge devices
GB708736A (en) Improvements in positive electrodes for alkaline accumulators
GB797998A (en) Alloy for vacuum-tube cathodes
GB818051A (en) Improvements in or relating to the manufacture of thermionic cathodes
ES265177A1 (en) Cathode mount and alloy therefor
GB908488A (en) Improvements in or relating to glow-discharge tubes
GB779408A (en) Improvements in or relating to nuclear reactors
GB781385A (en) Improvements in or relating to electrodes for electron discharge devices
GB801185A (en) Improvements in and relating to cathodes of thermionic valves
GB789525A (en) Magnesium anode primary cell
GB745076A (en) Electrowinning of manganese and cathodes therefor
CA512978A (en) Cathode for use in electron discharge tube
LIPPINCOTT SURGERKY
CA508239A (en) Secondary electron emissive electrodes
GB768786A (en) Improvements in and relating to planar type electron tubes
CA531169A (en) Alloy of iron, nickel and molybdenum
GB794041A (en) Improvements in or relating to electric discharge devices
GB836475A (en) Low stress electrodeposited rhodium
AU203279B2 (en) An improved thoriated tungsten filament type valve
GB777499A (en) Improvements in and relating to indirectly-heated cathodes
IE22152L (en) Subscriber's instrument.
CA507054A (en) Anode structure for electron discharge devices
CA491763A (en) Cathode structure for electron discharge tubes
CA509515A (en) Cathode ray tube envelope
AU384354A (en) An improved thoriated tungsten filament type valve