DE1564388C3 - Verfahren zur Herstellung einer indirekt heizbaren Kathode und durch diese Verfahren hergestellte Kathode - Google Patents

Verfahren zur Herstellung einer indirekt heizbaren Kathode und durch diese Verfahren hergestellte Kathode

Info

Publication number
DE1564388C3
DE1564388C3 DE1564388A DE1564388A DE1564388C3 DE 1564388 C3 DE1564388 C3 DE 1564388C3 DE 1564388 A DE1564388 A DE 1564388A DE 1564388 A DE1564388 A DE 1564388A DE 1564388 C3 DE1564388 C3 DE 1564388C3
Authority
DE
Germany
Prior art keywords
cathode
filament
ceramic
foam
support
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
DE1564388A
Other languages
German (de)
English (en)
Other versions
DE1564388A1 (de
DE1564388B2 (de
Inventor
Friedrich Hermann Raymund Almer
Adrianus Kuiper
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of DE1564388A1 publication Critical patent/DE1564388A1/de
Publication of DE1564388B2 publication Critical patent/DE1564388B2/de
Application granted granted Critical
Publication of DE1564388C3 publication Critical patent/DE1564388C3/de
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)
DE1564388A 1965-03-02 1966-02-26 Verfahren zur Herstellung einer indirekt heizbaren Kathode und durch diese Verfahren hergestellte Kathode Expired DE1564388C3 (de)

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 (3)

Publication Number Publication Date
DE1564388A1 DE1564388A1 (de) 1970-03-05
DE1564388B2 DE1564388B2 (de) 1973-11-22
DE1564388C3 true DE1564388C3 (de) 1974-06-20

Family

ID=19792531

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1564388A Expired DE1564388C3 (de) 1965-03-02 1966-02-26 Verfahren zur Herstellung einer indirekt heizbaren Kathode und durch diese Verfahren hergestellte Kathode

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 (2)

* 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
CN116025532A (zh) * 2022-12-30 2023-04-28 北京航空航天大学 一种空心阴极加热丝临近空间填充方法

Also Published As

Publication number Publication date
FR1469999A (fr) 1967-02-17
DE1564388A1 (de) 1970-03-05
DE1564388B2 (de) 1973-11-22
SE217963C1 (enrdf_load_stackoverflow) 1968-01-02
NL6502586A (enrdf_load_stackoverflow) 1966-09-05
BE677153A (enrdf_load_stackoverflow) 1966-08-29
ES323596A1 (es) 1967-01-16
AT257749B (de) 1967-10-25
DK111423B (da) 1968-08-19
NL142817B (nl) 1974-07-15
GB1090935A (en) 1967-11-15
CH442536A (de) 1967-08-31

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee