FR1045204A - Cathode and its manufacturing process - Google Patents

Cathode and its manufacturing process

Info

Publication number
FR1045204A
FR1045204A FR1045204DA FR1045204A FR 1045204 A FR1045204 A FR 1045204A FR 1045204D A FR1045204D A FR 1045204DA FR 1045204 A FR1045204 A FR 1045204A
Authority
FR
France
Prior art keywords
cathode
manufacturing process
manufacturing
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
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR1045204A publication Critical patent/FR1045204A/en
Expired legal-status Critical Current

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)
FR1045204D 1950-11-18 1951-11-16 Cathode and its manufacturing process Expired FR1045204A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL691583X 1950-11-18

Publications (1)

Publication Number Publication Date
FR1045204A true FR1045204A (en) 1953-11-24

Family

ID=19808176

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1045204D Expired FR1045204A (en) 1950-11-18 1951-11-16 Cathode and its manufacturing process

Country Status (4)

Country Link
US (1) US2786259A (en)
BE (1) BE507171A (en)
FR (1) FR1045204A (en)
GB (1) GB691583A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2188771B (en) * 1986-04-01 1990-12-19 Ceradyne Inc Dispenser cathode and method of manufacture therefor
DE102007038491B4 (en) * 2007-08-14 2010-08-12 Zf Friedrichshafen Ag Joint and / or bearing arrangement

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1253906A (en) * 1916-10-28 1918-01-15 Jacob Sutter Soldering apparatus.
US2447038A (en) * 1945-10-31 1948-08-17 Raytheon Mfg Co Cathode structure
US2460739A (en) * 1946-04-17 1949-02-01 Gen Electric Electrode construction
US2542779A (en) * 1948-01-07 1951-02-20 Columbus Metal Products Inc Electropolishing composition and process
US2624024A (en) * 1949-10-26 1952-12-30 Hartford Nat Bank & Trust Co Cathode for use in electron discharge tubes
US2688709A (en) * 1949-11-12 1954-09-07 Westinghouse Electric Corp X-ray anode and method of making same by electric welding

Also Published As

Publication number Publication date
US2786259A (en) 1957-03-26
BE507171A (en)
GB691583A (en) 1953-05-13

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