FR1153189A - Indirect heating cathode and its manufacturing process - Google Patents

Indirect heating cathode and its manufacturing process

Info

Publication number
FR1153189A
FR1153189A FR1153189DA FR1153189A FR 1153189 A FR1153189 A FR 1153189A FR 1153189D A FR1153189D A FR 1153189DA FR 1153189 A FR1153189 A FR 1153189A
Authority
FR
France
Prior art keywords
manufacturing process
indirect heating
heating cathode
cathode
indirect
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 FR1153189A publication Critical patent/FR1153189A/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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/43—Electric condenser making
    • Y10T29/435—Solid dielectric type

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
  • Solid Thermionic Cathode (AREA)
FR1153189D 1955-05-10 1956-05-09 Indirect heating cathode and its manufacturing process Expired FR1153189A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL2985946X 1955-05-10

Publications (1)

Publication Number Publication Date
FR1153189A true FR1153189A (en) 1958-03-03

Family

ID=19876599

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1153189D Expired FR1153189A (en) 1955-05-10 1956-05-09 Indirect heating cathode and its manufacturing process

Country Status (5)

Country Link
US (1) US2985946A (en)
BE (1) BE547691A (en)
DE (1) DE1011529B (en)
FR (1) FR1153189A (en)
NL (1) NL100356C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3252040A (en) * 1963-06-19 1966-05-17 Varian Associates Electron tube and cathode therefor
US3299492A (en) * 1963-08-14 1967-01-24 Simmonds Precision Products Electroformed inner tube for tank unit
US3259783A (en) * 1964-02-14 1966-07-05 Thorn A E I Radio Valves & Tub Indirectly-heated cathode assemblies
US3279028A (en) * 1964-05-01 1966-10-18 Rca Corp Method of manufacturing thermionic energy converter tube

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1193667A (en) * 1916-08-08 Method of producing compound metal objects
US1341812A (en) * 1919-02-13 1920-06-01 Cie Belge Du Bi Metal Sa Process for the manufacture of wires and tubes of two metals
US1426734A (en) * 1919-04-30 1922-08-22 Western Electric Co Method of manufacturing audions
US1719988A (en) * 1923-01-26 1929-07-09 Westinghouse Lamp Co Electron device and the like adapted for alternating current
US1568369A (en) * 1923-10-20 1926-01-05 Everett Samuel James Production of metal tubing and of tubular metal articles or instruments
US1700454A (en) * 1924-07-08 1929-01-29 Western Electric Co Electron emitter and process of making the same
GB301827A (en) * 1927-12-06 1929-10-31 Telefunken Gesellschaft Fur Drahtlose Telegraphie M.B.H.
US2091001A (en) * 1935-08-26 1937-08-24 Reconstruction Finance Corp Tube drawing means
US2366168A (en) * 1942-05-02 1945-01-02 Dow Chemical Co Bonding magnesium-alloy sheets
US2499944A (en) * 1946-10-04 1950-03-07 Porter H Brace Gun tube liner material
FR952361A (en) * 1947-08-14 1949-11-16 Radio Electr Soc Fr Process for preparing cathodes for electron tubes
US2581876A (en) * 1949-03-30 1952-01-08 Rca Corp Grid structure for electron discharge device
NL80924C (en) * 1951-07-20
BE526330A (en) * 1953-02-09

Also Published As

Publication number Publication date
NL100356C (en)
BE547691A (en)
US2985946A (en) 1961-05-30
DE1011529B (en) 1957-07-04

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