FR1107589A - Perfectionnements aux supports de cathodes à oxydes - Google Patents

Perfectionnements aux supports de cathodes à oxydes

Info

Publication number
FR1107589A
FR1107589A FR1107589DA FR1107589A FR 1107589 A FR1107589 A FR 1107589A FR 1107589D A FR1107589D A FR 1107589DA FR 1107589 A FR1107589 A FR 1107589A
Authority
FR
France
Prior art keywords
oxide cathode
cathode supports
supports
oxide
cathode
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
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil SA
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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Application granted granted Critical
Publication of FR1107589A publication Critical patent/FR1107589A/fr
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
    • H01J1/14—Solid thermionic cathodes characterised by the material
FR1107589D 1954-06-18 1954-06-18 Perfectionnements aux supports de cathodes à oxydes Expired FR1107589A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1058160X 1954-06-18

Publications (1)

Publication Number Publication Date
FR1107589A true FR1107589A (fr) 1956-01-03

Family

ID=9598393

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1107589D Expired FR1107589A (fr) 1954-06-18 1954-06-18 Perfectionnements aux supports de cathodes à oxydes

Country Status (2)

Country Link
DE (1) DE1058160B (fr)
FR (1) FR1107589A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2425337A1 (de) * 1973-06-06 1975-01-02 Philips Nv Oxidkathode fuer eine elektrische entladungsroehre
WO2001097247A1 (fr) * 2000-06-14 2001-12-20 Thomson Licensing S.A. Cathode a oxydes amelioree et son procede de fabrication

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2543439A (en) * 1945-05-02 1951-02-27 Edward A Coomes Method of manufacturing coated elements for electron tubes
DE967660C (de) * 1952-10-04 1957-12-05 Telefunken Gmbh Emissionsschichttraeger fuer unmittelbar oder mittelbar geheizte Oxydkathoden in elektrischen Entladungsroehren

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2425337A1 (de) * 1973-06-06 1975-01-02 Philips Nv Oxidkathode fuer eine elektrische entladungsroehre
JPS5023554A (fr) * 1973-06-06 1975-03-13
JPS5621212B2 (fr) * 1973-06-06 1981-05-18
WO2001097247A1 (fr) * 2000-06-14 2001-12-20 Thomson Licensing S.A. Cathode a oxydes amelioree et son procede de fabrication
FR2810446A1 (fr) * 2000-06-14 2001-12-21 Thomson Tubes & Displays Cathodes a oxyde amelioree et son procede de fabrication
US6759799B2 (en) 2000-06-14 2004-07-06 Thomson Licensing S. A. Oxide-coated cathode and method for making same

Also Published As

Publication number Publication date
DE1058160B (de) 1959-05-27

Similar Documents

Publication Publication Date Title
FR1098838A (fr) Perfectionnements aux tubes à rayons cathodiques
FR71337E (fr) Perfectionnements aux cathodes
FR1154300A (fr) Perfectionnements aux cathodes électroniques
FR1078606A (fr) Perfectionnements aux cathodes émissives
FR1107589A (fr) Perfectionnements aux supports de cathodes à oxydes
FR1171604A (fr) Perfectionnements aux tubes cinescopes à post-accélération
FR1117317A (fr) Cathodes thermoioniques à oxydes alcalino-terreux à supports en alliages nickelrhénium
FR1141254A (fr) Perfectionnements aux tubes cathodiques
FR1087046A (fr) Perfectionnements aux tubes à rayons cathodiques
FR1053508A (fr) Perfectionnements aux cathodes thermioniques
FR1149659A (fr) Perfectionnements aux métiers à tisser
FR1099285A (fr) Tube cathodique
FR1206056A (fr) Perfectionnements aux tubes à rayons cathodiques
FR1093817A (fr) Perfectionnements aux cathodes de tubes électroniques
FR1116069A (fr) Perfectionnements aux métiers à tisser
FR1080710A (fr) Perfectionnements aux cathodes à oxydes pour tubes électroniques
FR1081526A (fr) Perfectionnements aux cathodes
FR1151321A (fr) Perfectionnements apportés aux cathodes thermoioniques
FR1115673A (fr) Perfectionnements aux oscilloscopes bi-courbes à post-accélération
FR1103262A (fr) Perfectionnements aux cathodes thermioniques
CH325451A (fr) Cellule électrolytique à cathode de mercure
FR1053139A (fr) Perfectionnements aux cathodes thermoioniques
FR1116141A (fr) Perfectionnements aux tubes cathodiques
FR1181501A (fr) Perfectionnements aux tubes à rayons cathodiques
FR1125877A (fr) Perfectionnements aux tubes à rayon cathodique