GB1012695A - Improvements in indirectly-heated electron-tube cathodes - Google Patents

Improvements in indirectly-heated electron-tube cathodes

Info

Publication number
GB1012695A
GB1012695A GB4022663A GB4022663A GB1012695A GB 1012695 A GB1012695 A GB 1012695A GB 4022663 A GB4022663 A GB 4022663A GB 4022663 A GB4022663 A GB 4022663A GB 1012695 A GB1012695 A GB 1012695A
Authority
GB
United Kingdom
Prior art keywords
wound
core
wire
insulating material
tungsten wire
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
GB4022663A
Other languages
English (en)
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 Electronics UK Ltd
Original Assignee
Philips Electronic and Associated 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 Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1012695A publication Critical patent/GB1012695A/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
    • H01J1/13Solid thermionic cathodes
    • H01J1/20Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/22Heaters

Landscapes

  • Solid Thermionic Cathode (AREA)
  • Microwave Tubes (AREA)
GB4022663A 1962-10-15 1963-10-11 Improvements in indirectly-heated electron-tube cathodes Expired GB1012695A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL284356 1962-10-15

Publications (1)

Publication Number Publication Date
GB1012695A true GB1012695A (en) 1965-12-08

Family

ID=19754173

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4022663A Expired GB1012695A (en) 1962-10-15 1963-10-11 Improvements in indirectly-heated electron-tube cathodes

Country Status (3)

Country Link
DE (1) DE1184424B (enrdf_load_stackoverflow)
GB (1) GB1012695A (enrdf_load_stackoverflow)
NL (1) NL284356A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3432714A (en) * 1967-01-24 1969-03-11 Us Army Fast warmup cathode
CN110676137A (zh) * 2019-09-16 2020-01-10 九江学院 一种磁控管用的阴极的制备方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT265448B (de) 1963-04-30 1968-10-10 Matsushita Electronics Corp Verfahren zur Herstellung flacher Kathoden für Elektronenröhren
DE2404362B1 (de) * 1974-01-30 1975-07-31 Standard Elektrik Lorenz Ag, 7000 Stuttgart Heizkörper für eine indirekt geheizte Kathode

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL105737C (enrdf_load_stackoverflow) 1958-06-10
GB867021A (en) * 1958-09-30 1961-05-03 Ass Elect Ind Improvements relating to indirectly heated cathodes for electron discharge devices

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3432714A (en) * 1967-01-24 1969-03-11 Us Army Fast warmup cathode
CN110676137A (zh) * 2019-09-16 2020-01-10 九江学院 一种磁控管用的阴极的制备方法
CN110676137B (zh) * 2019-09-16 2022-05-27 九江学院 一种磁控管用的阴极的制备方法

Also Published As

Publication number Publication date
DE1184424B (de) 1964-12-31
NL284356A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
US2269081A (en) Method of manufacturing cathodes for electron tubes
US2135941A (en) Electrode structure
GB1012695A (en) Improvements in indirectly-heated electron-tube cathodes
US2394474A (en) Coiled filament or cathode and its manufacture
GB1057909A (en) Method of manufacturing cathodes for electron tubes
US2014787A (en) Thermionic cathode
US1870968A (en) Heater element
US2210761A (en) Cathode
US2789247A (en) Traveling wave tube
GB1292428A (en) Metal vapour discharge lamp
US2014539A (en) Electron tube
US2164913A (en) Indirectly heated cathode
GB921016A (en) Method of manufacturing field emission cathodes
GB1014340A (en) Improvements in or relating to electrodes for gaseous discharge lamps
US2589521A (en) Heater
GB931059A (en) Improvements in and relating to thermionic cathodes
US1975870A (en) Indirectly heated cathode
US1932077A (en) Space current device
US2397533A (en) Method of making cathodes
US1777253A (en) Oxide cathode
US2479192A (en) Cathode
US2935638A (en) Cathode structures for thermionic valves
GB782768A (en) Improvements in or relating to travelling-wave tubes
GB1414392A (en) Electric discharge tube including a directly heated cathode
GB379334A (en) Indirectly heated thermionic cathode