CA1014805A - Fabrication of dark heaters - Google Patents

Fabrication of dark heaters

Info

Publication number
CA1014805A
CA1014805A CA165,430A CA165430A CA1014805A CA 1014805 A CA1014805 A CA 1014805A CA 165430 A CA165430 A CA 165430A CA 1014805 A CA1014805 A CA 1014805A
Authority
CA
Canada
Prior art keywords
heaters
fabrication
dark
dark heaters
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
CA165,430A
Other languages
English (en)
Other versions
CA165430S (en
Inventor
John R. Hale
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.)
RCA Corp
Original Assignee
RCA Corp
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 RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of CA1014805A publication Critical patent/CA1014805A/en
Expired legal-status Critical Current

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)
  • Powder Metallurgy (AREA)
  • Solid Thermionic Cathode (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Compositions Of Oxide Ceramics (AREA)
CA165,430A 1972-04-07 1973-03-07 Fabrication of dark heaters Expired CA1014805A (en)

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
CA1014805A true CA1014805A (en) 1977-08-02

Family

ID=22914004

Family Applications (1)

Application Number Title Priority Date Filing Date
CA165,430A Expired CA1014805A (en) 1972-04-07 1973-03-07 Fabrication of dark heaters

Country Status (6)

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

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 (zh) * 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
GB1418196A (en) 1975-12-17
JPS5331591B2 (zh) 1978-09-04
FR2179251B1 (zh) 1978-05-26
US3852105A (en) 1974-12-03
DE2316565B2 (de) 1976-01-15
JPS4917960A (zh) 1974-02-16
NL7304824A (zh) 1973-10-09
FR2179251A1 (zh) 1973-11-16
DE2316565A1 (de) 1973-10-18

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