CA1012600A - Dispenser cathodes - Google Patents

Dispenser cathodes

Info

Publication number
CA1012600A
CA1012600A CA166,227A CA166227A CA1012600A CA 1012600 A CA1012600 A CA 1012600A CA 166227 A CA166227 A CA 166227A CA 1012600 A CA1012600 A CA 1012600A
Authority
CA
Canada
Prior art keywords
dispenser cathodes
cathodes
dispenser
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
CA166,227A
Other versions
CA166227S (en
Inventor
Helmut Katz
Erwin Hubner
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.)
Siemens AG
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 CA1012600A publication Critical patent/CA1012600A/en
Expired legal-status Critical Current

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
CA166,227A 1972-03-29 1973-03-15 Dispenser cathodes Expired CA1012600A (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
CA1012600A true CA1012600A (en) 1977-06-21

Family

ID=5840592

Family Applications (1)

Application Number Title Priority Date Filing Date
CA166,227A Expired CA1012600A (en) 1972-03-29 1973-03-15 Dispenser cathodes

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
IT981639B (en) 1974-10-10
GB1404473A (en) 1975-08-28
DE2215477B2 (en) 1974-08-08
DE2215477A1 (en) 1973-10-11
DE2215477C3 (en) 1975-04-10
FR2177716A1 (en) 1973-11-09
US3821589A (en) 1974-06-28
FR2177716B1 (en) 1976-08-27

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