NL7307463A - - Google Patents

Info

Publication number
NL7307463A
NL7307463A NL7307463A NL7307463A NL7307463A NL 7307463 A NL7307463 A NL 7307463A NL 7307463 A NL7307463 A NL 7307463A NL 7307463 A NL7307463 A NL 7307463A NL 7307463 A NL7307463 A NL 7307463A
Authority
NL
Netherlands
Application number
NL7307463A
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 NL7307463A publication Critical patent/NL7307463A/xx

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)
NL7307463A 1972-05-30 1973-05-29 NL7307463A (fr)

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
NL7307463A true NL7307463A (fr) 1973-12-04

Family

ID=22977050

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7307463A NL7307463A (fr) 1972-05-30 1973-05-29

Country Status (8)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50142715A (fr) * 1974-05-10 1975-11-17
JPS50142717A (fr) * 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 (fr) * 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 (fr) * 1971-07-03 1973-01-05

Also Published As

Publication number Publication date
US3808043A (en) 1974-04-30
GB1431571A (en) 1976-04-07
DE2326202B2 (de) 1975-07-17
JPS4951868A (fr) 1974-05-20
JPS5331592B2 (fr) 1978-09-04
DE2326202A1 (de) 1973-12-20
IT987598B (it) 1975-03-20
FR2186802A1 (fr) 1974-01-11
CA1017208A (en) 1977-09-13
FR2186802B1 (fr) 1976-04-23

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed