CH219786A - Process for producing an oxide cathode for electrical discharge tubes and oxide cathode produced by this process. - Google Patents

Process for producing an oxide cathode for electrical discharge tubes and oxide cathode produced by this process.

Info

Publication number
CH219786A
CH219786A CH219786DA CH219786A CH 219786 A CH219786 A CH 219786A CH 219786D A CH219786D A CH 219786DA CH 219786 A CH219786 A CH 219786A
Authority
CH
Switzerland
Prior art keywords
oxide cathode
producing
electrical discharge
discharge tubes
produced
Prior art date
Application number
Other languages
German (de)
Inventor
America Radio Corporation Of
Original Assignee
Rca Corp
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 Rca Corp filed Critical Rca Corp
Publication of CH219786A publication Critical patent/CH219786A/en

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus 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
    • H01J9/02Manufacture of electrodes or electrode systems
    • H01J9/04Manufacture of electrodes or electrode systems of thermionic cathodes
    • H01J9/042Manufacture, activation of the emissive part

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
CH219786D 1938-08-27 1939-08-25 Process for producing an oxide cathode for electrical discharge tubes and oxide cathode produced by this process. CH219786A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US219786XA 1938-08-27 1938-08-27

Publications (1)

Publication Number Publication Date
CH219786A true CH219786A (en) 1942-02-28

Family

ID=21807186

Family Applications (1)

Application Number Title Priority Date Filing Date
CH219786D CH219786A (en) 1938-08-27 1939-08-25 Process for producing an oxide cathode for electrical discharge tubes and oxide cathode produced by this process.

Country Status (2)

Country Link
CH (1) CH219786A (en)
NL (1) NL54269C (en)

Also Published As

Publication number Publication date
NL54269C (en)

Similar Documents

Publication Publication Date Title
CH318053A (en) Process for the production of a cathode for electric discharge tubes
CH228439A (en) Process for the production of shaped structures.
CH213753A (en) Process for producing positive blueprints.
CH225867A (en) Process for the production of tubular tungsten incandescent cathodes for electron tubes.
CH203373A (en) Process for the manufacture of electric radiators.
CH214903A (en) Process for the preparation of p- (2-chloro-4-amino-1,3,5-triazinyl- (6)) -aminophenyl-arsonic acid.
CH207921A (en) Method of manufacturing an electric discharge tube with a secondary emission electrode.
CH208356A (en) Process for the production of luminous enamel.
CH224493A (en) Process for the production of an indirectly heated cathode for electrical discharge tubes and cathode produced according to this process.
CH311393A (en) An electric discharge tube containing a hydrogen atmosphere and a hydrogen replenisher, and a method for manufacturing such a discharge tube.
CH219786A (en) Process for producing an oxide cathode for electrical discharge tubes and oxide cathode produced by this process.
CH207265A (en) A method of manufacturing a discharge tube having a secondary emission electrode and a discharge tube manufactured by this method.
CH260730A (en) Process for producing the oxide cathode of an electrical discharge tube and discharge tube produced by this process.
CH207012A (en) Process for the manufacture of highly evacuated electrical discharge tubes.
CH207007A (en) Process for the production of gas-emitting materials for electrical circuit breakers under the action of arcing.
CH215769A (en) Cathode for electron tubes.
CH219629A (en) Process for producing rayon with particularly good strength properties from viscose
CH311391A (en) A method of manufacturing a cathode for an electric discharge tube and a cathode manufactured by this method.
CH298663A (en) A method of manufacturing a cathode for an electric discharge tube, and a cathode manufactured according to this method.
AT180338B (en) Cathode for an electric discharge tube and method for producing this cathode
CH232998A (en) Process for the production of current converters for electrical machines.
CH228317A (en) Oxide cathode and process for its manufacture.
CH221321A (en) Process for the production of nickel anodes and nickel anode produced by this process.
CH225051A (en) Process for the manufacture of electric discharge tubes which contain an electrode with a photoelectric surface.
CH225065A (en) Process for the production of electrodes for electric cathode glow lamps or tubes.