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FR916563A - Process for the manufacture of vacuum tube filaments and filaments obtained by process - Google Patents

Process for the manufacture of vacuum tube filaments and filaments obtained by process

Info

Publication number
FR916563A
FR916563A FR916563DA FR916563A FR 916563 A FR916563 A FR 916563A FR 916563D A FR916563D A FR 916563DA FR 916563 A FR916563 A FR 916563A
Authority
FR
France
Prior art keywords
filaments
manufacture
vacuum tube
filaments obtained
tube filaments
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)
Inventor
Lynn Clayton Goodale
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR916563A publication Critical patent/FR916563A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/02—Manufacture of incandescent bodies
    • H01K3/04—Machines therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Discharge Heating (AREA)
FR916563D 1942-03-11 1945-10-27 Process for the manufacture of vacuum tube filaments and filaments obtained by process Expired FR916563A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US434269A US2410060A (en) 1942-03-11 1942-03-11 Method of producing vacuum tube electrodes

Publications (1)

Publication Number Publication Date
FR916563A true FR916563A (en) 1946-12-10

Family

ID=23723541

Family Applications (1)

Application Number Title Priority Date Filing Date
FR916563D Expired FR916563A (en) 1942-03-11 1945-10-27 Process for the manufacture of vacuum tube filaments and filaments obtained by process

Country Status (4)

Country Link
US (1) US2410060A (en)
BE (1) BE461798A (en)
FR (1) FR916563A (en)
GB (1) GB569048A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2555310A (en) * 1946-02-21 1951-06-05 William E Beltz Mandrel
US2457651A (en) * 1946-03-18 1948-12-28 Eitel Mccullough Inc Electron tube and method of making the same
US2501002A (en) * 1946-10-26 1950-03-21 Sylvania Electric Prod Control grid
FR964341A (en) * 1947-04-08 1950-08-10
US2625666A (en) * 1950-02-27 1953-01-13 Eitel Mccullough Inc Filament for electron tubes
US2753283A (en) * 1951-06-30 1956-07-03 Rca Corp Method of making nickel-carbon alloy sleeves
US2818360A (en) * 1952-03-19 1957-12-31 Jones & Laughlin Steel Corp Method for the aluminum cladding of ferrous base metal and product thereof
US3411959A (en) * 1966-03-21 1968-11-19 Westinghouse Electric Corp Method for producing tantalum carbide and tantalum-alloy carbide filaments
US3650850A (en) * 1970-04-07 1972-03-21 Richard Corth Method of making an undistorted coiled-coil tantalum carbide filament
DE2451536A1 (en) * 1974-10-30 1976-05-06 Bosch Gmbh Robert PROCESS FOR CARBURIZING WORKPIECES OF STEEL
CN104538267B (en) * 2014-11-18 2017-08-11 安徽华东光电技术研究所 A kind of negative electrode filament potting compound removing method

Also Published As

Publication number Publication date
GB569048A (en) 1945-05-02
US2410060A (en) 1946-10-29
BE461798A (en)

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