CA958758A - Method of covering a heating member with a dark-coloured insulating layer and heating member for an indirectly heated cathode manufactured by said method - Google Patents

Method of covering a heating member with a dark-coloured insulating layer and heating member for an indirectly heated cathode manufactured by said method

Info

Publication number
CA958758A
CA958758A CA145,878A CA145878A CA958758A CA 958758 A CA958758 A CA 958758A CA 145878 A CA145878 A CA 145878A CA 958758 A CA958758 A CA 958758A
Authority
CA
Canada
Prior art keywords
heating member
dark
covering
insulating layer
indirectly heated
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
CA145,878A
Other languages
English (en)
Other versions
CA145878S (en
Inventor
Maria A.A.A. Collaris
Cornelis Maan
Renier G.H. Coenen
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA958758A publication Critical patent/CA958758A/en
Expired legal-status Critical Current

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
    • H01J9/08—Manufacture of heaters for indirectly-heated cathodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
  • Laminated Bodies (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
CA145,878A 1971-07-03 1972-06-28 Method of covering a heating member with a dark-coloured insulating layer and heating member for an indirectly heated cathode manufactured by said method Expired CA958758A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7109224A NL7109224A (enrdf_load_stackoverflow) 1971-07-03 1971-07-03

Publications (1)

Publication Number Publication Date
CA958758A true CA958758A (en) 1974-12-03

Family

ID=19813548

Family Applications (1)

Application Number Title Priority Date Filing Date
CA145,878A Expired CA958758A (en) 1971-07-03 1972-06-28 Method of covering a heating member with a dark-coloured insulating layer and heating member for an indirectly heated cathode manufactured by said method

Country Status (6)

Country Link
US (1) US3770601A (enrdf_load_stackoverflow)
JP (1) JPS526137B1 (enrdf_load_stackoverflow)
CA (1) CA958758A (enrdf_load_stackoverflow)
FR (1) FR2144745B1 (enrdf_load_stackoverflow)
GB (1) GB1359789A (enrdf_load_stackoverflow)
NL (1) NL7109224A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3808043A (en) * 1972-05-30 1974-04-30 Rca Corp Method of fabricating a dark heater
US3930868A (en) * 1973-05-23 1976-01-06 The Richardson Company Light sensitive arylglyoxyacrylate compositions
JPS5778609U (enrdf_load_stackoverflow) * 1980-10-30 1982-05-15
GB8611967D0 (en) * 1986-05-16 1986-10-29 English Electric Valve Co Ltd Directly heated cathodes
US4789309A (en) * 1987-12-07 1988-12-06 Saes Getters Spa Reinforced insulated heater getter device
NL8802387A (nl) * 1988-09-29 1990-04-17 Philips Nv Werkwijze voor het aanbrengen van een thermisch zwarte laag op een verhittingslichaam voor een indirect verhitte kathode.
JP6662334B2 (ja) 2017-03-22 2020-03-11 ヤマハ株式会社 音響処理装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE530668A (enrdf_load_stackoverflow) * 1953-07-27
US3024184A (en) * 1958-09-29 1962-03-06 Sylvania Electric Prod Electrophoretic article coating machine

Also Published As

Publication number Publication date
DE2230750B2 (de) 1976-01-08
FR2144745B1 (enrdf_load_stackoverflow) 1977-04-01
GB1359789A (en) 1974-07-10
NL7109224A (enrdf_load_stackoverflow) 1973-01-05
FR2144745A1 (enrdf_load_stackoverflow) 1973-02-16
DE2230750A1 (de) 1973-01-11
US3770601A (en) 1973-11-06
JPS526137B1 (enrdf_load_stackoverflow) 1977-02-19

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