NL227293A - - Google Patents

Info

Publication number
NL227293A
NL227293A NL227293DA NL227293A NL 227293 A NL227293 A NL 227293A NL 227293D A NL227293D A NL 227293DA NL 227293 A NL227293 A NL 227293A
Authority
NL
Netherlands
Application number
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.)
Publication of NL227293A publication Critical patent/NL227293A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/02Details
    • H01J61/04Electrodes; Screens; Shields
    • H01J61/06Main electrodes
    • H01J61/067Main electrodes for low-pressure discharge lamps
    • H01J61/0675Main electrodes for low-pressure discharge lamps characterised by the material of the electrode
    • H01J61/0677Main electrodes for low-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913Rod, strand, filament or fiber
    • Y10T428/2922Nonlinear [e.g., crimped, coiled, etc.]
    • Y10T428/2925Helical or coiled
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913Rod, strand, filament or fiber
    • Y10T428/2933Coated or with bond, impregnation or core
    • Y10T428/294Coated or with bond, impregnation or core including metal or compound thereof [excluding glass, ceramic and asbestos]
    • Y10T428/2958Metal or metal compound in coating
NL227293D 1957-04-29 NL227293A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US655534A US2871196A (en) 1957-04-29 1957-04-29 Cathodes and emissive material therefor

Publications (1)

Publication Number Publication Date
NL227293A true NL227293A (de)

Family

ID=24629268

Family Applications (2)

Application Number Title Priority Date Filing Date
NL227293D NL227293A (de) 1957-04-29
NL112306D NL112306C (de) 1957-04-29

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL112306D NL112306C (de) 1957-04-29

Country Status (3)

Country Link
US (1) US2871196A (de)
GB (1) GB824902A (de)
NL (2) NL112306C (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3188236A (en) * 1959-12-17 1965-06-08 Gen Electric Cathodes and method of manufacture
US4275330A (en) * 1979-03-08 1981-06-23 General Electric Company Electric discharge lamp having a cathode with cesium metal oxide

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1934830A (en) * 1928-02-03 1933-11-14 Electrons Inc Amphoteric compounds
US1921066A (en) * 1928-11-16 1933-08-08 Western Electric Co Cathode for electron discharge devices and method of making the same
US1946603A (en) * 1929-05-09 1934-02-13 Electrons Inc Cathode for electrical discharge devices
US2085605A (en) * 1934-05-11 1937-06-29 Gen Electric Thermionic cathode for electric discharge devices
US2142331A (en) * 1935-03-09 1939-01-03 Bell Telephone Labor Inc Electron emitting cathode
US2300959A (en) * 1940-01-01 1942-11-03 Gen Electric Cathode for discharge devices

Also Published As

Publication number Publication date
GB824902A (en) 1959-12-09
NL112306C (de)
US2871196A (en) 1959-01-27

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