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FR1075165A - Cathode pour tube de décharge électrique - Google Patents

Cathode pour tube de décharge électrique

Info

Publication number
FR1075165A
FR1075165A FR1075165A FR1075165A FR1075165A FR 1075165 A FR1075165 A FR 1075165A FR 1075165 A FR1075165 A FR 1075165A FR 1075165 A FR1075165 A FR 1075165A FR 1075165 A FR1075165 A FR 1075165A
Authority
FR
France
Prior art keywords
cathode
electric discharge
discharge tube
tube
electric
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
FR1075165A
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 and Halske AG
Siemens Corp
Original Assignee
Siemens and Halske 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
Priority to DES23913A priority Critical patent/DE890390C/de
Priority to US296787A priority patent/US2798182A/en
Application filed by Siemens and Halske AG, Siemens Corp filed Critical Siemens and Halske AG
Priority to FR1075165A priority patent/FR1075165A/fr
Application granted granted Critical
Publication of FR1075165A publication Critical patent/FR1075165A/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
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
FR1075165A 1951-07-12 1952-07-24 Cathode pour tube de décharge électrique Expired FR1075165A (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DES23913A DE890390C (de) 1951-07-12 1951-07-12 Kathode fuer elektrische Entladungsgefaesse
US296787A US2798182A (en) 1951-07-12 1952-07-02 Dispenser cathode having heater embedded in densely sintered receptacle wall
FR1075165A FR1075165A (fr) 1951-07-12 1952-07-24 Cathode pour tube de décharge électrique

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DES23913A DE890390C (de) 1951-07-12 1951-07-12 Kathode fuer elektrische Entladungsgefaesse
US296787A US2798182A (en) 1951-07-12 1952-07-02 Dispenser cathode having heater embedded in densely sintered receptacle wall
FR1075165A FR1075165A (fr) 1951-07-12 1952-07-24 Cathode pour tube de décharge électrique

Publications (1)

Publication Number Publication Date
FR1075165A true FR1075165A (fr) 1954-10-13

Family

ID=45755624

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1075165A Expired FR1075165A (fr) 1951-07-12 1952-07-24 Cathode pour tube de décharge électrique

Country Status (3)

Country Link
US (1) US2798182A (fr)
DE (1) DE890390C (fr)
FR (1) FR1075165A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1026435B (de) * 1954-02-26 1958-03-20 Egyesuelt Izzolampa Vorratskathode und Verfahren zu deren Herstellung
NL94233C (fr) * 1954-12-06
GB810202A (en) * 1955-06-10 1959-03-11 Vickers Electrical Co Ltd Improvements relating to thermionic cathodes for electron discharge devices
US2975322A (en) * 1958-12-29 1961-03-14 Raytheon Co Indirectly heated cathodes
US3226806A (en) * 1960-03-18 1966-01-04 Eitel Mccullough Inc Method of making a cathode heater assembly
US3281616A (en) * 1961-10-30 1966-10-25 Varian Associates Focus electrode for high power electron guns
US3263115A (en) * 1962-05-23 1966-07-26 Gen Electric Dispenser cathode and method of manufacture
US3323916A (en) * 1964-10-23 1967-06-06 Westinghouse Electric Corp Method of making heater assemblies by wet-settling techniques
NL7018001A (fr) * 1970-12-10 1972-06-13
JPS5652835A (en) * 1979-10-01 1981-05-12 Hitachi Ltd Impregnated cathode

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2121589A (en) * 1934-06-28 1938-06-21 Westinghouse Electric & Mfg Co Emissive incandescent cathode
BE486002A (fr) * 1947-11-26
BE498869A (fr) * 1949-10-25

Also Published As

Publication number Publication date
DE890390C (de) 1953-09-17
US2798182A (en) 1957-07-02

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