AT276575B - Process for the production of an indirectly heated disc-shaped cathode - Google Patents

Process for the production of an indirectly heated disc-shaped cathode

Info

Publication number
AT276575B
AT276575B AT62068A AT62068A AT276575B AT 276575 B AT276575 B AT 276575B AT 62068 A AT62068 A AT 62068A AT 62068 A AT62068 A AT 62068A AT 276575 B AT276575 B AT 276575B
Authority
AT
Austria
Prior art keywords
production
indirectly heated
shaped cathode
heated disc
disc
Prior art date
Application number
AT62068A
Other languages
German (de)
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
Application granted granted Critical
Publication of AT276575B publication Critical patent/AT276575B/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)
AT62068A 1967-01-25 1968-01-22 Process for the production of an indirectly heated disc-shaped cathode AT276575B (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
AT276575B true AT276575B (en) 1969-11-25

Family

ID=19799112

Family Applications (1)

Application Number Title Priority Date Filing Date
AT62068A AT276575B (en) 1967-01-25 1968-01-22 Process for the production of an indirectly heated disc-shaped cathode

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
GB1052995A (en) * 1963-10-24

Also Published As

Publication number Publication date
BE709773A (en) 1968-07-23
US3574910A (en) 1971-04-13
ES349611A1 (en) 1969-10-01
CH470077A (en) 1969-03-15
DK118299B (en) 1970-08-03
SE325341B (en) 1970-06-29
DE1614307B2 (en) 1976-01-02
NL6701138A (en) 1968-07-26
GB1159233A (en) 1969-07-23
DE1614307A1 (en) 1970-07-09
FR1555931A (en) 1969-01-31

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