NL85550C - Method of manufacturing electrodes for electric discharge tubes, and cathode made by this method - Google Patents

Method of manufacturing electrodes for electric discharge tubes, and cathode made by this method

Info

Publication number
NL85550C
NL85550C NL159654A NL159654A NL85550C NL 85550 C NL85550 C NL 85550C NL 159654 A NL159654 A NL 159654A NL 159654 A NL159654 A NL 159654A NL 85550 C NL85550 C NL 85550C
Authority
NL
Netherlands
Prior art keywords
electric discharge
discharge tubes
cathode made
manufacturing electrodes
electrodes
Prior art date
Application number
NL159654A
Other languages
Dutch (nl)
Inventor
Roger-Francois-Desire Navarre
Original Assignee
Acec
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 Acec filed Critical Acec
Application granted granted Critical
Publication of NL85550C publication Critical patent/NL85550C/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
    • H01J9/042—Manufacture, activation of the emissive part

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
  • Discharge Lamp (AREA)
NL159654A 1950-03-16 1951-03-07 Method of manufacturing electrodes for electric discharge tubes, and cathode made by this method NL85550C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1014729T 1950-03-16

Publications (1)

Publication Number Publication Date
NL85550C true NL85550C (en) 1957-07-15

Family

ID=38464936

Family Applications (1)

Application Number Title Priority Date Filing Date
NL159654A NL85550C (en) 1950-03-16 1951-03-07 Method of manufacturing electrodes for electric discharge tubes, and cathode made by this method

Country Status (8)

Country Link
BE (1) BE501693A (en)
CH (1) CH295812A (en)
DE (1) DE973294C (en)
ES (1) ES197023A1 (en)
FR (1) FR1014729A (en)
GB (1) GB707241A (en)
LU (1) LU30614A1 (en)
NL (1) NL85550C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2950993A (en) * 1956-04-02 1960-08-30 Rca Corp Oxide coated cathodes and method of manufacture

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1453267A (en) * 1918-11-29 1923-05-01 Forest Radio Telephone & Teleg Electron-emitting cathode and method of making the same
DE409799C (en) * 1923-04-22 1925-02-12 Internat Western Electric Comp Process for the production of highly electron emitting coatings of alkaline earth oxides on glow cathodes
BE335031A (en) * 1926-06-14
US2106753A (en) * 1930-06-27 1938-02-01 Ernest Anton Lederer Electric discharge tube or lamp

Also Published As

Publication number Publication date
ES197023A1 (en) 1953-04-01
LU30614A1 (en) 1951-09-10
BE501693A (en) 1951-03-31
DE973294C (en) 1960-01-14
GB707241A (en) 1954-04-14
FR1014729A (en) 1952-08-20
CH295812A (en) 1954-01-15

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