FR966028A - Improvements in the manufacture of electron tube cathodes - Google Patents

Improvements in the manufacture of electron tube cathodes

Info

Publication number
FR966028A
FR966028A FR966028DA FR966028A FR 966028 A FR966028 A FR 966028A FR 966028D A FR966028D A FR 966028DA FR 966028 A FR966028 A FR 966028A
Authority
FR
France
Prior art keywords
manufacture
electron tube
tube cathodes
cathodes
electron
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
Other languages
French (fr)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR966028A publication Critical patent/FR966028A/en
Expired legal-status Critical Current

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)
FR966028D 1947-04-14 1948-04-07 Improvements in the manufacture of electron tube cathodes Expired FR966028A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB966028X 1947-04-14

Publications (1)

Publication Number Publication Date
FR966028A true FR966028A (en) 1950-09-28

Family

ID=10805236

Family Applications (1)

Application Number Title Priority Date Filing Date
FR966028D Expired FR966028A (en) 1947-04-14 1948-04-07 Improvements in the manufacture of electron tube cathodes

Country Status (1)

Country Link
FR (1) FR966028A (en)

Similar Documents

Publication Publication Date Title
FR975422A (en) Discharge tube
FR944127A (en) Cathode ray tubes
FR994734A (en) Improvements in the production of flattened tubes
FR967517A (en) Manufacturing process of electron ray tubes
FR973056A (en) Improvements to cathode ray tubes
FR966028A (en) Improvements in the manufacture of electron tube cathodes
FR979747A (en) Improvements in the manufacture of electron tubes
FR1004820A (en) Finned tubes
FR941063A (en) Electron beam tubes
FR971541A (en) Directed electron beam discharge tube
FR57909E (en) Improvements in the manufacture of cathode ray tubes
FR973007A (en) Directed electron beam discharge tube
FR939027A (en) Improvements in the manufacture of vacuum tubes
FR945839A (en) Further development of vacuum tube cathodes
FR1037196A (en) Improvements in the manufacture of cathode ray tubes
FR925230A (en) Cooled anode discharge tube
FR1012204A (en) Improvements in the manufacture of vacuum tubes
FR974698A (en) Cold cathode tube improvements
FR975324A (en) Tube manufacturing
FR1005358A (en) Ceramic cathode ray tube refinements
FR1049308A (en) Improvements in the manufacture of cathode-ray tubes
FR995114A (en) Improvement in the manufacture of tube ice
FR940036A (en) Improvements in the assembly of thermionic tube cathodes
FR1011590A (en) Improvements in the manufacture of vacuum tubes
FR974335A (en) Discharge tube