CH266493A - Procédé de fabrication d'une électrode émissive à chauffage indirect. - Google Patents

Procédé de fabrication d'une électrode émissive à chauffage indirect.

Info

Publication number
CH266493A
CH266493A CH266493DA CH266493A CH 266493 A CH266493 A CH 266493A CH 266493D A CH266493D A CH 266493DA CH 266493 A CH266493 A CH 266493A
Authority
CH
Switzerland
Prior art keywords
manufacturing
indirect heating
emissive electrode
emissive
electrode
Prior art date
Application number
Other languages
English (en)
Inventor
Compagnie Generale De Tele Fil
Original Assignee
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 Csf filed Critical Csf
Publication of CH266493A publication Critical patent/CH266493A/fr

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
    • 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
    • H01J1/24—Insulating layer or body located between heater and emissive material
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12014—All metal or with adjacent metals having metal particles
    • Y10T428/12028—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
  • Discharge Lamp (AREA)
CH266493D 1946-03-05 1947-03-04 Procédé de fabrication d'une électrode émissive à chauffage indirect. CH266493A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR836527X 1946-03-05

Publications (1)

Publication Number Publication Date
CH266493A true CH266493A (fr) 1950-01-31

Family

ID=9298138

Family Applications (1)

Application Number Title Priority Date Filing Date
CH266493D CH266493A (fr) 1946-03-05 1947-03-04 Procédé de fabrication d'une électrode émissive à chauffage indirect.

Country Status (6)

Country Link
US (1) US2520760A (fr)
CH (1) CH266493A (fr)
DE (1) DE836527C (fr)
FR (1) FR926598A (fr)
GB (1) GB630624A (fr)
NL (1) NL69250C (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL102345C (fr) * 1954-06-16
FR1137688A (fr) * 1954-10-22 1957-06-03 Thomson Houston Comp Francaise Cathode perfectionnée
US3097419A (en) * 1960-03-11 1963-07-16 dickson
CH539945A (de) * 1971-12-29 1973-07-31 Bbc Brown Boveri & Cie Verfahren zur Herstellung von Gitterelektroden für elektrische Entladungsgefässe
GB8611967D0 (en) * 1986-05-16 1986-10-29 English Electric Valve Co Ltd Directly heated cathodes
DE4026301A1 (de) * 1990-08-20 1992-02-27 Siemens Ag Elektronenemitter einer roentgenroehre

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2106855A (en) * 1924-02-20 1938-02-01 Westinghouse Electric & Mfg Co Space-current device
NL33511C (fr) * 1926-07-07
US1961122A (en) * 1928-08-22 1934-05-29 Westinghouse Electric & Mfg Co Thermionic cathode
CH215769A (de) * 1938-12-02 1941-07-15 Lorenz C Ag Kathode für Elektronenröhren.
US2263169A (en) * 1940-10-12 1941-11-18 Westinghouse Electric & Mfg Co Indirectly heated cathode

Also Published As

Publication number Publication date
NL69250C (fr)
GB630624A (en) 1949-10-18
DE836527C (de) 1952-04-15
FR926598A (fr) 1947-10-06
US2520760A (en) 1950-08-29

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