NL69250C - - Google Patents

Info

Publication number
NL69250C
NL69250C NL69250DA NL69250C NL 69250 C NL69250 C NL 69250C NL 69250D A NL69250D A NL 69250DA NL 69250 C NL69250 C NL 69250C
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 NL69250C publication Critical patent/NL69250C/xx

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)
NL69250D 1946-03-05 NL69250C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL69250C true NL69250C (enrdf_load_stackoverflow)

Family

ID=9298138

Family Applications (1)

Application Number Title Priority Date Filing Date
NL69250D NL69250C (enrdf_load_stackoverflow) 1946-03-05

Country Status (6)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL102345C (enrdf_load_stackoverflow) * 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 (enrdf_load_stackoverflow) * 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
GB630624A (en) 1949-10-18
US2520760A (en) 1950-08-29
DE836527C (de) 1952-04-15
FR926598A (fr) 1947-10-06
CH266493A (fr) 1950-01-31

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