GB1128987A - Improvements in or relating to indirectly heated cathode structures - Google Patents

Improvements in or relating to indirectly heated cathode structures

Info

Publication number
GB1128987A
GB1128987A GB29853/66A GB2985366A GB1128987A GB 1128987 A GB1128987 A GB 1128987A GB 29853/66 A GB29853/66 A GB 29853/66A GB 2985366 A GB2985366 A GB 2985366A GB 1128987 A GB1128987 A GB 1128987A
Authority
GB
United Kingdom
Prior art keywords
oxide
charge
alkaline earth
emissive
earth metal
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
GB29853/66A
Other languages
English (en)
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
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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, Siemens Corp filed Critical Siemens AG
Publication of GB1128987A publication Critical patent/GB1128987A/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

Landscapes

  • Solid Thermionic Cathode (AREA)
GB29853/66A 1965-07-05 1966-07-04 Improvements in or relating to indirectly heated cathode structures Expired GB1128987A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES97996A DE1234861B (de) 1965-07-05 1965-07-05 Vorratskathode fuer elektrische Entladungsgefaesse

Publications (1)

Publication Number Publication Date
GB1128987A true GB1128987A (en) 1968-10-02

Family

ID=7521150

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29853/66A Expired GB1128987A (en) 1965-07-05 1966-07-04 Improvements in or relating to indirectly heated cathode structures

Country Status (4)

Country Link
US (1) US3454815A (enExample)
DE (1) DE1234861B (enExample)
GB (1) GB1128987A (enExample)
NL (1) NL6608411A (enExample)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE519027A (enExample) * 1952-04-09
BE525821A (enExample) * 1953-01-19
BE526506A (enExample) * 1953-02-16
US3113236A (en) * 1959-06-23 1963-12-03 Philips Corp Oxide dispenser type cathode
FR1274550A (fr) * 1960-09-12 1961-10-27 Thomson Houston Comp Francaise Cathode thermoélectronique thoriée et son procédé de fabrication
NL273523A (enExample) * 1961-01-17
DE1132256B (de) * 1961-12-27 1962-06-28 Siemens Ag Kathode fuer elektrische Entladungsgefaesse und Verfahren zu ihrer Herstellung

Also Published As

Publication number Publication date
US3454815A (en) 1969-07-08
DE1234861B (de) 1967-02-23
NL6608411A (enExample) 1967-01-06

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