IT981639B - COMPENSATED CATHODE SPECIES CAPILLARY METALLIC CATHODE - Google Patents

COMPENSATED CATHODE SPECIES CAPILLARY METALLIC CATHODE

Info

Publication number
IT981639B
IT981639B IT22178/73A IT2217873A IT981639B IT 981639 B IT981639 B IT 981639B IT 22178/73 A IT22178/73 A IT 22178/73A IT 2217873 A IT2217873 A IT 2217873A IT 981639 B IT981639 B IT 981639B
Authority
IT
Italy
Prior art keywords
cathode
capillary
compensated
species
metallic
Prior art date
Application number
IT22178/73A
Other languages
Italian (it)
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of IT981639B publication Critical patent/IT981639B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
IT22178/73A 1972-03-29 1973-03-27 COMPENSATED CATHODE SPECIES CAPILLARY METALLIC CATHODE IT981639B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2215477A DE2215477C3 (en) 1972-03-29 1972-03-29 Storage cathode, especially MK cathode

Publications (1)

Publication Number Publication Date
IT981639B true IT981639B (en) 1974-10-10

Family

ID=5840592

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22178/73A IT981639B (en) 1972-03-29 1973-03-27 COMPENSATED CATHODE SPECIES CAPILLARY METALLIC CATHODE

Country Status (6)

Country Link
US (1) US3821589A (en)
CA (1) CA1012600A (en)
DE (1) DE2215477C3 (en)
FR (1) FR2177716B1 (en)
GB (1) GB1404473A (en)
IT (1) IT981639B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2050045A (en) * 1979-05-29 1980-12-31 Emi Varian Ltd Thermionic cathode
JPS6036056B2 (en) * 1979-06-21 1985-08-17 株式会社東芝 cathode structure
DE3627384A1 (en) * 1986-08-12 1988-02-18 Siemens Ag INDIRECTLY HEATED STORAGE CATHODE, IN PARTICULAR METAL-CAPILLARY CATHODE, FOR ELECTRICAL DISCHARGE VESSELS
FR2621735A1 (en) * 1987-10-09 1989-04-14 Thomson Csf ROBUST OXIDE CATHODE FOR CATHODE RAY TUBE
GB2214704B (en) * 1988-01-20 1992-05-06 English Electric Valve Co Ltd Magnetrons
US6570339B1 (en) 2001-12-19 2003-05-27 Chad Byron Moore Color fiber-based plasma display

Also Published As

Publication number Publication date
FR2177716A1 (en) 1973-11-09
DE2215477B2 (en) 1974-08-08
DE2215477C3 (en) 1975-04-10
GB1404473A (en) 1975-08-28
DE2215477A1 (en) 1973-10-11
FR2177716B1 (en) 1976-08-27
US3821589A (en) 1974-06-28
CA1012600A (en) 1977-06-21

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