NL269971A - - Google Patents

Info

Publication number
NL269971A
NL269971A NL269971DA NL269971A NL 269971 A NL269971 A NL 269971A NL 269971D A NL269971D A NL 269971DA NL 269971 A NL269971 A NL 269971A
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 NL269971A publication Critical patent/NL269971A/xx

Links

Classifications

    • 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
    • H01J1/22—Heaters
    • 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
    • H01J9/08—Manufacture of heaters for indirectly-heated 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/294—Coated or with bond, impregnation or core including metal or compound thereof [excluding glass, ceramic and asbestos]
    • Y10T428/2942—Plural coatings
    • Y10T428/2949—Glass, ceramic or metal oxide in coating

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
  • Cold Cathode And The Manufacture (AREA)
NL269971D 1960-10-18 NL269971A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS622560 1960-10-18

Publications (1)

Publication Number Publication Date
NL269971A true NL269971A (xx)

Family

ID=5408774

Family Applications (1)

Application Number Title Priority Date Filing Date
NL269971D NL269971A (xx) 1960-10-18

Country Status (5)

Country Link
US (1) US3134691A (xx)
DE (1) DE1240998B (xx)
FR (1) FR1303897A (xx)
GB (1) GB966377A (xx)
NL (1) NL269971A (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1355710A (fr) * 1963-02-06 1964-03-20 Radiotechnique Perfectionnement aux filaments de chauffage de cathodes pour tubes électroniques
US3370978A (en) * 1964-02-26 1968-02-27 Sperry Rand Corp Method of stabilizing tunneling insulator films
US4176293A (en) * 1978-02-17 1979-11-27 Varian Associates, Inc. Thermionic cathode heater having reduced magnetic field
DE4420607A1 (de) * 1994-06-13 1995-12-14 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Elektrische Glühlampe und Leuchtkörper für Glühlampen
US8215002B2 (en) * 2007-09-29 2012-07-10 Osram Sylvania Inc. Method of making a lamp coil

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US212860A (en) * 1879-03-04 Improvement in electric lights
NL23762C (xx) * 1928-04-13
US2128270A (en) * 1928-04-30 1938-08-30 Hans J Spanner Lighting device
US2043720A (en) * 1933-11-25 1936-06-09 Rca Corp Thermionic cathode heater and method of making it
GB684141A (en) * 1950-03-29 1952-12-10 Loewe Opta Ag Method for applying insulating coatings to metallic conductive wires employed for heating
US2734857A (en) * 1951-10-11 1956-02-14 snyder
US2985548A (en) * 1957-12-26 1961-05-23 Sylvania Electric Prod Method of making a low density coating for an electron discharge device
US3029360A (en) * 1958-04-29 1962-04-10 Rca Corp Heater wire coating process
US3041210A (en) * 1959-12-02 1962-06-26 Tung Sol Electric Inc Method of making cold cathodes for vacuum tubes and article

Also Published As

Publication number Publication date
US3134691A (en) 1964-05-26
GB966377A (en) 1964-08-12
FR1303897A (fr) 1962-09-14
DE1240998B (de) 1967-05-24

Similar Documents

Publication Publication Date Title
FR1310138A (xx)
DK120033B (xx)
FI41800B (xx)
FI41060B (xx)
DK130619C (xx)
FI40920B (xx)
DE1249714B (xx)
DE1412370A1 (xx)
FI41458B (xx)
FR1590054A (xx)
FI41912B (xx)
FI43990B (xx)
FI44114B (xx)
FR1561902A (xx)
FR1602251A (xx)
FR1308780A (xx)
FI40066B (xx)
BE592994A (xx)
BE606642A (xx)
BE604997A (xx)
BE605553A (xx)
BE605949A (xx)
BE604052A (xx)
BE599965A (xx)
BE598165A (xx)