NL96853C - - Google Patents

Info

Publication number
NL96853C
NL96853C NL96853DA NL96853C NL 96853 C NL96853 C NL 96853C NL 96853D A NL96853D A NL 96853DA NL 96853 C NL96853 C NL 96853C
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 NL96853C publication Critical patent/NL96853C/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
  • Powder Metallurgy (AREA)
NL96853D 1953-09-24 NL96853C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US382085A US2830218A (en) 1953-09-24 1953-09-24 Dispenser cathodes and methods of making them

Publications (1)

Publication Number Publication Date
NL96853C true NL96853C (de)

Family

ID=23507463

Family Applications (1)

Application Number Title Priority Date Filing Date
NL96853D NL96853C (de) 1953-09-24

Country Status (4)

Country Link
US (1) US2830218A (de)
FR (1) FR1112390A (de)
GB (1) GB757272A (de)
NL (1) NL96853C (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL108501C (de) * 1957-01-26
US2945150A (en) * 1958-12-11 1960-07-12 Gen Electric Thermionic cathodes and methods of making
US3045320A (en) * 1959-03-12 1962-07-24 Raytheon Co Impregnated cathodes
DE1112209B (de) * 1959-03-20 1961-08-03 Siemens Ag Mittelbar geheizte Kathode mit einer scheibenfoermigen Emissionsflaeche und mit einer Halterung aus nahtlosem Folie-Rohr
US3323916A (en) * 1964-10-23 1967-06-06 Westinghouse Electric Corp Method of making heater assemblies by wet-settling techniques
DE1283402B (de) * 1966-03-29 1968-11-21 Siemens Ag Mittelbar geheizte Vorratskathode fuer elektrische Entladungsgefaesse
DE2245717A1 (de) * 1972-09-18 1974-03-28 Patra Patent Treuhand Elektrode mit einem poroesen sinterkoerper
DE3527360C2 (de) * 1985-07-31 1996-04-18 Licentia Gmbh Vorratskathode
GB2188771B (en) * 1986-04-01 1990-12-19 Ceradyne Inc Dispenser cathode and method of manufacture therefor
DE3627384A1 (de) * 1986-08-12 1988-02-18 Siemens Ag Indirekt geheizte vorratskathode, insbesondere metall-kapillar-kathode, fuer elektrische entladungsgefaesse
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
DE102010055175B4 (de) * 2010-12-20 2014-07-10 Heraeus Precious Metals Gmbh & Co. Kg Verfahren zum Herstellen eines medizinischen Implantats und medizinisches Implantat

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2121589A (en) * 1934-06-28 1938-06-21 Westinghouse Electric & Mfg Co Emissive incandescent cathode
US2460738A (en) * 1946-04-17 1949-02-01 Gen Electric Electrode construction
BE486002A (de) * 1947-11-26
US2643332A (en) * 1949-03-29 1953-06-23 Hartford Nat Bank & Trust Co High-frequency electron discharge tube system
BE498869A (de) * 1949-10-25
NL80924C (de) * 1951-07-20
NL91132C (de) * 1951-11-29

Also Published As

Publication number Publication date
US2830218A (en) 1958-04-08
GB757272A (en) 1956-09-19
FR1112390A (fr) 1956-03-13

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