FR1073208A - Cathode pour récipients à décharges électriques - Google Patents

Cathode pour récipients à décharges électriques

Info

Publication number
FR1073208A
FR1073208A FR1073208DA FR1073208A FR 1073208 A FR1073208 A FR 1073208A FR 1073208D A FR1073208D A FR 1073208DA FR 1073208 A FR1073208 A FR 1073208A
Authority
FR
France
Prior art keywords
cathode
electric discharge
discharge vessels
vessels
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
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 AG
Original Assignee
Siemens and Halske AG
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 and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR1073208A publication Critical patent/FR1073208A/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
FR1073208D 1952-03-24 1953-03-24 Cathode pour récipients à décharges électriques Expired FR1073208A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE315203X 1952-03-24

Publications (1)

Publication Number Publication Date
FR1073208A true FR1073208A (fr) 1954-09-21

Family

ID=6150076

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1073208D Expired FR1073208A (fr) 1952-03-24 1953-03-24 Cathode pour récipients à décharges électriques

Country Status (3)

Country Link
US (1) US2808531A (fr)
CH (1) CH315203A (fr)
FR (1) FR1073208A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE561832A (fr) * 1956-10-24
US2945295A (en) * 1957-12-20 1960-07-19 Westinghouse Electric Corp High temperature metallic joint
US3018404A (en) * 1958-03-27 1962-01-23 Raytheon Co Electron tube cathodes
US3155864A (en) * 1960-03-21 1964-11-03 Gen Electric Dispenser cathode
US3258636A (en) * 1961-09-01 1966-06-28 Electron emitter with activator of sill cide, boride or carbide of solid solu- tion of barium and at least one other alkaline earth metal
US3243638A (en) * 1962-10-31 1966-03-29 Gen Electric Dispenser cathode
US3290543A (en) * 1963-06-03 1966-12-06 Varian Associates Grain oriented dispenser thermionic emitter for electron discharge device
GB1137124A (en) * 1964-12-23 1968-12-18 Nat Res Dev Thermionic electron emitter
US3376461A (en) * 1964-12-28 1968-04-02 Varian Associates Thermionic cathodes and high frequency electron discharge devices
US3848153A (en) * 1972-05-25 1974-11-12 Energy Sciences Inc Elongated electron-emission cathode assembly and method
US20030025435A1 (en) * 1999-11-24 2003-02-06 Vancil Bernard K. Reservoir dispenser cathode and method of manufacture

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2175345A (en) * 1935-07-12 1939-10-10 Gen Electric Electric gaseous discharge device
US2452075A (en) * 1941-12-18 1948-10-26 Raytheon Mfg Co Velocity modulation electron discharge tube
US2460738A (en) * 1946-04-17 1949-02-01 Gen Electric Electrode construction
BE498869A (fr) * 1949-10-25
US2647216A (en) * 1950-04-01 1953-07-28 Rca Corp Dispenser cathode
US2640949A (en) * 1951-02-07 1953-06-02 Atomic Energy Commission Electron source
US2640950A (en) * 1951-06-06 1953-06-02 Atomic Energy Commission Point electron source
US2687489A (en) * 1952-06-26 1954-08-24 Hanovia Chemical & Mfg Co Electrode

Also Published As

Publication number Publication date
US2808531A (en) 1957-10-01
CH315203A (de) 1956-07-31

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