GB245146A - Improved manufacture of oxide cathode discharge tubes - Google Patents

Improved manufacture of oxide cathode discharge tubes

Info

Publication number
GB245146A
GB245146A GB32459/25A GB3245925A GB245146A GB 245146 A GB245146 A GB 245146A GB 32459/25 A GB32459/25 A GB 32459/25A GB 3245925 A GB3245925 A GB 3245925A GB 245146 A GB245146 A GB 245146A
Authority
GB
United Kingdom
Prior art keywords
core
tube
anode
azide
barium
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
GB32459/25A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB245146A publication Critical patent/GB245146A/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)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
GB32459/25A 1924-12-24 1925-12-23 Improved manufacture of oxide cathode discharge tubes Expired GB245146A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL245146X 1924-12-24

Publications (1)

Publication Number Publication Date
GB245146A true GB245146A (en) 1926-07-08

Family

ID=19780800

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32459/25A Expired GB245146A (en) 1924-12-24 1925-12-23 Improved manufacture of oxide cathode discharge tubes

Country Status (3)

Country Link
FR (1) FR605925A (enrdf_load_stackoverflow)
GB (1) GB245146A (enrdf_load_stackoverflow)
NL (1) NL17247C (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE749599C (de) * 1928-03-01 1944-11-27 Anordnung zur Verdampfung von Metallen
GB2563898A (en) * 2017-06-29 2019-01-02 Vkr Holding As Window mounting

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE749599C (de) * 1928-03-01 1944-11-27 Anordnung zur Verdampfung von Metallen
GB2563898A (en) * 2017-06-29 2019-01-02 Vkr Holding As Window mounting

Also Published As

Publication number Publication date
FR605925A (fr) 1926-06-04
NL17247C (enrdf_load_stackoverflow) 1926-12-15

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