CH470077A - Process for the production of an indirectly heated disc-shaped cathode, and cathode produced according to this process - Google Patents

Process for the production of an indirectly heated disc-shaped cathode, and cathode produced according to this process

Info

Publication number
CH470077A
CH470077A CH98568A CH98568A CH470077A CH 470077 A CH470077 A CH 470077A CH 98568 A CH98568 A CH 98568A CH 98568 A CH98568 A CH 98568A CH 470077 A CH470077 A CH 470077A
Authority
CH
Switzerland
Prior art keywords
cathode
production
produced according
indirectly heated
heated disc
Prior art date
Application number
CH98568A
Other languages
German (de)
Inventor
Kuiper Adrianus
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of CH470077A publication Critical patent/CH470077A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
  • Solid Thermionic Cathode (AREA)
CH98568A 1967-01-25 1968-01-22 Process for the production of an indirectly heated disc-shaped cathode, and cathode produced according to this process CH470077A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6701138A NL6701138A (en) 1967-01-25 1967-01-25

Publications (1)

Publication Number Publication Date
CH470077A true CH470077A (en) 1969-03-15

Family

ID=19799112

Family Applications (1)

Application Number Title Priority Date Filing Date
CH98568A CH470077A (en) 1967-01-25 1968-01-22 Process for the production of an indirectly heated disc-shaped cathode, and cathode produced according to this process

Country Status (10)

Country Link
US (1) US3574910A (en)
AT (1) AT276575B (en)
BE (1) BE709773A (en)
CH (1) CH470077A (en)
DK (1) DK118299B (en)
ES (1) ES349611A1 (en)
FR (1) FR1555931A (en)
GB (1) GB1159233A (en)
NL (1) NL6701138A (en)
SE (1) SE325341B (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3117249A (en) * 1960-02-16 1964-01-07 Sperry Rand Corp Embedded heater cathode
NL274464A (en) * 1961-02-07
AT265448B (en) * 1963-04-30 1968-10-10 Matsushita Electronics Corp Process for the production of flat cathodes for electron tubes
DE1250013B (en) * 1963-10-24

Also Published As

Publication number Publication date
SE325341B (en) 1970-06-29
NL6701138A (en) 1968-07-26
DE1614307A1 (en) 1970-07-09
FR1555931A (en) 1969-01-31
DE1614307B2 (en) 1976-01-02
US3574910A (en) 1971-04-13
AT276575B (en) 1969-11-25
GB1159233A (en) 1969-07-23
DK118299B (en) 1970-08-03
BE709773A (en) 1968-07-23
ES349611A1 (en) 1969-10-01

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