GB1090935A - Improvements in and relating to methods of manufacturing indirectly heated cathodes and cathodes manufactured by said methods - Google Patents

Improvements in and relating to methods of manufacturing indirectly heated cathodes and cathodes manufactured by said methods

Info

Publication number
GB1090935A
GB1090935A GB8403/66A GB840366A GB1090935A GB 1090935 A GB1090935 A GB 1090935A GB 8403/66 A GB8403/66 A GB 8403/66A GB 840366 A GB840366 A GB 840366A GB 1090935 A GB1090935 A GB 1090935A
Authority
GB
United Kingdom
Prior art keywords
methods
cathodes
foam
support
cathode
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
GB8403/66A
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 GB1090935A publication Critical patent/GB1090935A/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
    • H01J1/24—Insulating layer or body located between heater and emissive material

Landscapes

  • Solid Thermionic Cathode (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
GB8403/66A 1965-03-02 1966-02-25 Improvements in and relating to methods of manufacturing indirectly heated cathodes and cathodes manufactured by said methods Expired GB1090935A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL656502586A NL142817B (nl) 1965-03-02 1965-03-02 Werkwijze voor het vervaardigen van een indirect verhitte kathode, en kathode vervaardigd volgens deze werkwijze.

Publications (1)

Publication Number Publication Date
GB1090935A true GB1090935A (en) 1967-11-15

Family

ID=19792531

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8403/66A Expired GB1090935A (en) 1965-03-02 1966-02-25 Improvements in and relating to methods of manufacturing indirectly heated cathodes and cathodes manufactured by said methods

Country Status (10)

Country Link
AT (1) AT257749B (enrdf_load_stackoverflow)
BE (1) BE677153A (enrdf_load_stackoverflow)
CH (1) CH442536A (enrdf_load_stackoverflow)
DE (1) DE1564388C3 (enrdf_load_stackoverflow)
DK (1) DK111423B (enrdf_load_stackoverflow)
ES (1) ES323596A1 (enrdf_load_stackoverflow)
FR (1) FR1469999A (enrdf_load_stackoverflow)
GB (1) GB1090935A (enrdf_load_stackoverflow)
NL (1) NL142817B (enrdf_load_stackoverflow)
SE (1) SE217963C1 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4881975A (en) * 1986-12-23 1989-11-21 Albright & Wilson Limited Products for treating surfaces

Also Published As

Publication number Publication date
DE1564388A1 (de) 1970-03-05
DK111423B (da) 1968-08-19
DE1564388C3 (de) 1974-06-20
NL6502586A (enrdf_load_stackoverflow) 1966-09-05
FR1469999A (fr) 1967-02-17
AT257749B (de) 1967-10-25
NL142817B (nl) 1974-07-15
DE1564388B2 (de) 1973-11-22
BE677153A (enrdf_load_stackoverflow) 1966-08-29
ES323596A1 (es) 1967-01-16
CH442536A (de) 1967-08-31
SE217963C1 (enrdf_load_stackoverflow) 1968-01-02

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