NL27012C - - Google Patents

Info

Publication number
NL27012C
NL27012C NL27012DA NL27012C NL 27012 C NL27012 C NL 27012C NL 27012D A NL27012D A NL 27012DA NL 27012 C NL27012 C NL 27012C
Authority
NL
Netherlands
Application number
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.)
Publication of NL27012C publication Critical patent/NL27012C/xx

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
    • H01J9/045—Activation of assembled cathode

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Fibers (AREA)
NL27012D 1927-04-01 NL27012C (en))

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US180252A US1695819A (en) 1927-04-01 1927-04-01 Activation of filaments

Publications (1)

Publication Number Publication Date
NL27012C true NL27012C (en))

Family

ID=22659773

Family Applications (1)

Application Number Title Priority Date Filing Date
NL27012D NL27012C (en)) 1927-04-01

Country Status (2)

Country Link
US (1) US1695819A (en))
NL (1) NL27012C (en))

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2420014A (en) * 1944-04-18 1947-05-06 Eitel Mccullough Inc Cathode
US2456761A (en) * 1947-04-19 1948-12-21 Eitel Mccullough Inc Rugged cathode
US2693431A (en) * 1948-01-27 1954-11-02 Eitcl Mccullough Inc Method of making electron emitters
US2788289A (en) * 1951-06-29 1957-04-09 Climax Molybdenum Co Method of forming protective coatings for molybdenum and molybdenum-base alloys
US2658844A (en) * 1952-08-30 1953-11-10 Rca Corp Process of carburizing

Also Published As

Publication number Publication date
US1695819A (en) 1928-12-18

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