NL7304824A - - Google Patents

Info

Publication number
NL7304824A
NL7304824A NL7304824A NL7304824A NL7304824A NL 7304824 A NL7304824 A NL 7304824A NL 7304824 A NL7304824 A NL 7304824A NL 7304824 A NL7304824 A NL 7304824A NL 7304824 A NL7304824 A NL 7304824A
Authority
NL
Netherlands
Application number
NL7304824A
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 filed Critical
Publication of NL7304824A publication Critical patent/NL7304824A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C24/00—Coating starting from inorganic powder
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
  • Powder Metallurgy (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Electrolytic Production Of Metals (AREA)
NL7304824A 1972-04-07 1973-04-06 NL7304824A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00242240A US3852105A (en) 1972-04-07 1972-04-07 Fabrication of dark heaters

Publications (1)

Publication Number Publication Date
NL7304824A true NL7304824A (enrdf_load_stackoverflow) 1973-10-09

Family

ID=22914004

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7304824A NL7304824A (enrdf_load_stackoverflow) 1972-04-07 1973-04-06

Country Status (6)

Country Link
US (1) US3852105A (enrdf_load_stackoverflow)
JP (1) JPS5331591B2 (enrdf_load_stackoverflow)
CA (1) CA1014805A (enrdf_load_stackoverflow)
FR (1) FR2179251B1 (enrdf_load_stackoverflow)
GB (1) GB1418196A (enrdf_load_stackoverflow)
NL (1) NL7304824A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1074284A (en) * 1976-06-07 1980-03-25 Ethyl Corporation Chemical process
JPH0622095B2 (ja) * 1985-05-17 1994-03-23 株式会社日立製作所 ダ−クヒ−タの製造方法
GB8611967D0 (en) * 1986-05-16 1986-10-29 English Electric Valve Co Ltd Directly heated cathodes
DE3628363A1 (de) * 1986-08-21 1988-02-25 Mtu Muenchen Gmbh Verfahren zum herstellen von schutzschichten
DE19837007C2 (de) * 1998-08-14 2003-07-03 Siemens Ag Verfahren zur Herstellung eines aus einem Metall gebildeten Bauteils des Vakuumgehäuses einer Elektronenröhre
US20050194374A1 (en) * 2004-03-02 2005-09-08 Applied Materials, Inc. Heated ceramic substrate support with protective coating

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2764511A (en) * 1953-08-28 1956-09-25 Sylvania Electric Prod Filamentary cathode and method of making same
US3246197A (en) * 1962-10-02 1966-04-12 Westinghouse Electric Corp Cathode heater having an aluminum oxide and tungesten coating
BE637284A (enrdf_load_stackoverflow) * 1963-08-29
GB1060942A (en) * 1964-01-27 1967-03-08 Varian Associates Cathode heater assembly and method of making same
US3328201A (en) * 1964-04-27 1967-06-27 Rca Corp Heater for electron tubes
US3401297A (en) * 1965-08-23 1968-09-10 Varian Associates Thermionic cathodes for electron discharge devices with improved refractory metal heater wires

Also Published As

Publication number Publication date
FR2179251A1 (enrdf_load_stackoverflow) 1973-11-16
JPS5331591B2 (enrdf_load_stackoverflow) 1978-09-04
GB1418196A (en) 1975-12-17
FR2179251B1 (enrdf_load_stackoverflow) 1978-05-26
JPS4917960A (enrdf_load_stackoverflow) 1974-02-16
DE2316565A1 (de) 1973-10-18
DE2316565B2 (de) 1976-01-15
US3852105A (en) 1974-12-03
CA1014805A (en) 1977-08-02

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Legal Events

Date Code Title Description
BC A request for examination has been filed
BV The patent application has lapsed