GB313151A - Process for the manufacture of oxide sulphide and haloid cathodes for electric discharge devices - Google Patents

Process for the manufacture of oxide sulphide and haloid cathodes for electric discharge devices

Info

Publication number
GB313151A
GB313151A GB13559/29A GB1355929A GB313151A GB 313151 A GB313151 A GB 313151A GB 13559/29 A GB13559/29 A GB 13559/29A GB 1355929 A GB1355929 A GB 1355929A GB 313151 A GB313151 A GB 313151A
Authority
GB
United Kingdom
Prior art keywords
oxide
sulphide
tungsten
heated
molybdenum
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
GB13559/29A
Other languages
English (en)
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.)
VER GLUHLAMPEN und ELECTRICITA
Original Assignee
VER GLUHLAMPEN und ELECTRICITA
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 VER GLUHLAMPEN und ELECTRICITA filed Critical VER GLUHLAMPEN und ELECTRICITA
Publication of GB313151A publication Critical patent/GB313151A/en
Expired legal-status Critical Current

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)
  • Inorganic Compounds Of Heavy Metals (AREA)
GB13559/29A 1928-06-08 1929-05-01 Process for the manufacture of oxide sulphide and haloid cathodes for electric discharge devices Expired GB313151A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT313151X 1928-06-08

Publications (1)

Publication Number Publication Date
GB313151A true GB313151A (en) 1930-06-12

Family

ID=3671385

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13559/29A Expired GB313151A (en) 1928-06-08 1929-05-01 Process for the manufacture of oxide sulphide and haloid cathodes for electric discharge devices

Country Status (2)

Country Link
GB (1) GB313151A (enrdf_load_stackoverflow)
NL (1) NL27509C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2657325A (en) * 1950-12-23 1953-10-27 Sylvania Electric Prod Electrode for electric discharge lamps

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2657325A (en) * 1950-12-23 1953-10-27 Sylvania Electric Prod Electrode for electric discharge lamps

Also Published As

Publication number Publication date
NL27509C (enrdf_load_stackoverflow)

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