IT987598B - Metodo per la fabbricazione di riscaldatori a radiazione oscura - Google Patents

Metodo per la fabbricazione di riscaldatori a radiazione oscura

Info

Publication number
IT987598B
IT987598B IT23628/73A IT2362873A IT987598B IT 987598 B IT987598 B IT 987598B IT 23628/73 A IT23628/73 A IT 23628/73A IT 2362873 A IT2362873 A IT 2362873A IT 987598 B IT987598 B IT 987598B
Authority
IT
Italy
Prior art keywords
manufacture
radiation heaters
dark radiation
dark
heaters
Prior art date
Application number
IT23628/73A
Other languages
English (en)
Italian (it)
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 IT987598B publication Critical patent/IT987598B/it

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
    • 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
    • Y10T428/2944—Free metal in coating
    • 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)
  • Resistance Heating (AREA)
  • Solid Thermionic Cathode (AREA)
IT23628/73A 1972-05-30 1973-05-02 Metodo per la fabbricazione di riscaldatori a radiazione oscura IT987598B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00257625A US3808043A (en) 1972-05-30 1972-05-30 Method of fabricating a dark heater

Publications (1)

Publication Number Publication Date
IT987598B true IT987598B (it) 1975-03-20

Family

ID=22977050

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23628/73A IT987598B (it) 1972-05-30 1973-05-02 Metodo per la fabbricazione di riscaldatori a radiazione oscura

Country Status (8)

Country Link
US (1) US3808043A (ko)
JP (1) JPS5331592B2 (ko)
CA (1) CA1017208A (ko)
DE (1) DE2326202B2 (ko)
FR (1) FR2186802B1 (ko)
GB (1) GB1431571A (ko)
IT (1) IT987598B (ko)
NL (1) NL7307463A (ko)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50142715A (ko) * 1974-05-10 1975-11-17
JPS50142717A (ko) * 1974-05-10 1975-11-17
US4568572A (en) * 1984-12-24 1986-02-04 Texaco Inc. Method of forming an alumina coated substrate
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
US20140041589A1 (en) 2012-08-07 2014-02-13 Veeco Instruments Inc. Heating element for a planar heater of a mocvd reactor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL97688C (ko) * 1956-05-02
DE1281038B (de) * 1962-08-01 1968-10-24 Telefunken Patent Verfahren zur Herstellung einer mittelbar geheizten Kathode fuer eine elektrische Entladungsroehre
US3328201A (en) * 1964-04-27 1967-06-27 Rca Corp Heater for electron tubes
US3450565A (en) * 1964-12-18 1969-06-17 Sylvania Electric Prod Method of coating heater coils
US3401297A (en) * 1965-08-23 1968-09-10 Varian Associates Thermionic cathodes for electron discharge devices with improved refractory metal heater wires
DE1564843A1 (de) * 1966-05-24 1970-03-05 Telefunken Patent Verfahren zur Herstellung einer indirekt geheizten Kathode fuer eine elektrische Entladungsroehre
NL7109224A (ko) * 1971-07-03 1973-01-05

Also Published As

Publication number Publication date
DE2326202B2 (de) 1975-07-17
DE2326202A1 (de) 1973-12-20
NL7307463A (ko) 1973-12-04
FR2186802B1 (ko) 1976-04-23
FR2186802A1 (ko) 1974-01-11
US3808043A (en) 1974-04-30
GB1431571A (en) 1976-04-07
JPS5331592B2 (ko) 1978-09-04
CA1017208A (en) 1977-09-13
JPS4951868A (ko) 1974-05-20

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