NL91413C - - Google Patents

Info

Publication number
NL91413C
NL91413C NL91413DA NL91413C NL 91413 C NL91413 C NL 91413C NL 91413D A NL91413D A NL 91413DA NL 91413 C NL91413 C NL 91413C
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 NL91413C publication Critical patent/NL91413C/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
    • H01J9/047—Cathodes having impregnated bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
  • Discharge Lamp (AREA)
NL91413D 1951-03-22 NL91413C (enrdf_load_html_response)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US21697251A 1951-03-22 1951-03-22
US555221A US3010826A (en) 1951-03-22 1955-12-14 Method of making dispenser type cathodes

Publications (1)

Publication Number Publication Date
NL91413C true NL91413C (enrdf_load_html_response)

Family

ID=26911501

Family Applications (1)

Application Number Title Priority Date Filing Date
NL91413D NL91413C (enrdf_load_html_response) 1951-03-22

Country Status (7)

Country Link
US (1) US3010826A (enrdf_load_html_response)
BE (1) BE510092A (enrdf_load_html_response)
CH (1) CH311391A (enrdf_load_html_response)
DE (1) DE927518C (enrdf_load_html_response)
FR (1) FR1066084A (enrdf_load_html_response)
GB (1) GB705537A (enrdf_load_html_response)
NL (1) NL91413C (enrdf_load_html_response)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE967137C (de) * 1953-02-05 1957-10-10 Csf Verfahren zur Herstellung einer Kathode fuer elektrische Entladungsgefaesse, bei der senkrecht zur emittierenden Oberflaeche sich erstreckende Draehte einen Vorrat an Emissionsstoffen abschliessen
US3258636A (en) * 1961-09-01 1966-06-28 Electron emitter with activator of sill cide, boride or carbide of solid solu- tion of barium and at least one other alkaline earth metal
JPH11339633A (ja) * 1997-11-04 1999-12-10 Sony Corp 含浸型陰極およびその製造方法、並びに電子銃および電子管

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1390243A (en) * 1919-09-15 1921-09-06 Gen Electric Method of welding low-melting-point metals and alloys to high-melting-point metals
US1671953A (en) * 1927-07-15 1928-05-29 Gen Electric Process for making x-ray anodes
US1904568A (en) * 1929-05-14 1933-04-18 Gen Electric Disk-like cutting tool
US2121589A (en) * 1934-06-28 1938-06-21 Westinghouse Electric & Mfg Co Emissive incandescent cathode
US2492142A (en) * 1945-10-17 1949-12-27 Kenneth J Germeshausen Electric system embodying coldcathode gaseous discharge device
US2677873A (en) * 1946-01-10 1954-05-11 Us Navy Method of making nickel sponge cathodes
NL69486C (enrdf_load_html_response) * 1947-11-26
BE498869A (enrdf_load_html_response) * 1949-10-25

Also Published As

Publication number Publication date
CH311391A (de) 1955-11-30
FR1066084A (fr) 1954-06-02
GB705537A (en) 1954-03-17
BE510092A (enrdf_load_html_response)
US3010826A (en) 1961-11-28
DE927518C (de) 1955-05-09

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