CA960007A - Storage cathode and method of its manufacturing - Google Patents

Storage cathode and method of its manufacturing

Info

Publication number
CA960007A
CA960007A CA098,418A CA98418A CA960007A CA 960007 A CA960007 A CA 960007A CA 98418 A CA98418 A CA 98418A CA 960007 A CA960007 A CA 960007A
Authority
CA
Canada
Prior art keywords
manufacturing
storage cathode
cathode
storage
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
CA098,418A
Other versions
CA98418S (en
Inventor
Wilhelm E. P. Parchen
Antonius J.A. Van Stratum
Franciscus J. Verest
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA960007A publication Critical patent/CA960007A/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
    • 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
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • H01J9/042—Manufacture, activation of the emissive part
CA098,418A 1969-11-21 1970-11-18 Storage cathode and method of its manufacturing Expired CA960007A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6917538A NL6917538A (en) 1969-11-21 1969-11-21

Publications (1)

Publication Number Publication Date
CA960007A true CA960007A (en) 1974-12-31

Family

ID=19808445

Family Applications (1)

Application Number Title Priority Date Filing Date
CA098,418A Expired CA960007A (en) 1969-11-21 1970-11-18 Storage cathode and method of its manufacturing

Country Status (6)

Country Link
BE (1) BE759174A (en)
CA (1) CA960007A (en)
DE (1) DE2054698A1 (en)
FR (1) FR2069601A5 (en)
GB (1) GB1264087A (en)
NL (1) NL6917538A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2808134A1 (en) * 1978-02-25 1979-08-30 Licentia Gmbh Long-life cathode with porous two layer emitter - has emitting layer thinner and of lower porosity than supporting layer
DE2822665A1 (en) * 1978-05-05 1979-11-08 Bbc Brown Boveri & Cie GLOW CATHODE MATERIAL
DE2842079A1 (en) * 1978-09-27 1980-04-03 Siemens Ag SUPPLY CATHODE, ESPECIALLY METAL CAPILLARY CATHODE
FR2469792A1 (en) * 1979-11-09 1981-05-22 Thomson Csf THERMO-IONIC CATHODE, ITS MANUFACTURING METHOD, AND ELECTRONIC TUBE INCORPORATING SUCH A CATHODE
FR2494035A1 (en) * 1980-11-07 1982-05-14 Thomson Csf THERMO-ELECTRONIC CATHODE FOR MICROFREQUENCY TUBE AND TUBE INCORPORATING SUCH A CATHODE
JPS58100329A (en) * 1981-12-11 1983-06-15 Toshiba Corp Cathode structure for electron tube
DE3336489A1 (en) * 1983-10-07 1985-04-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Indirectly heated dispenser cathode
GB2188771B (en) * 1986-04-01 1990-12-19 Ceradyne Inc Dispenser cathode and method of manufacture therefor
GB2196786A (en) * 1986-10-27 1988-05-05 Ceradyne Inc Cathode assembly
KR930007461B1 (en) * 1991-04-23 1993-08-11 주식회사 금성사 Method of making a dispenser type cathode
DE4114856A1 (en) * 1991-05-07 1992-11-12 Licentia Gmbh STOCK CATHODE AND METHOD FOR THE PRODUCTION THEREOF
FR2683090A1 (en) * 1991-10-25 1993-04-30 Europ Composants Electron Dispenser cathode and method of manufacture of such a cathode

Also Published As

Publication number Publication date
GB1264087A (en) 1972-02-16
BE759174A (en) 1971-05-19
NL6917538A (en) 1971-05-25
DE2054698A1 (en) 1971-11-18
FR2069601A5 (en) 1971-09-03

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