[go: up one dir, main page]

FR1146654A - Cathodic structure producing an electron beam of annular section - Google Patents

Cathodic structure producing an electron beam of annular section

Info

Publication number
FR1146654A
FR1146654A FR1146654DA FR1146654A FR 1146654 A FR1146654 A FR 1146654A FR 1146654D A FR1146654D A FR 1146654DA FR 1146654 A FR1146654 A FR 1146654A
Authority
FR
France
Prior art keywords
electron beam
annular section
structure producing
cathodic structure
cathodic
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
French (fr)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR1146654A publication Critical patent/FR1146654A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/34—Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
    • H01J25/36—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and without magnet system producing an H-field crossing the E-field
    • H01J25/38—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and without magnet system producing an H-field crossing the E-field the forward travelling wave being utilised
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/027—Construction of the gun or parts thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/029—Schematic arrangements for beam forming
FR1146654D 1955-01-12 1956-01-12 Cathodic structure producing an electron beam of annular section Expired FR1146654A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US481375A US2803772A (en) 1955-01-12 1955-01-12 Apparatus for producing a hollow electron beam

Publications (1)

Publication Number Publication Date
FR1146654A true FR1146654A (en) 1957-11-14

Family

ID=23911707

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1146654D Expired FR1146654A (en) 1955-01-12 1956-01-12 Cathodic structure producing an electron beam of annular section

Country Status (3)

Country Link
US (1) US2803772A (en)
FR (1) FR1146654A (en)
GB (1) GB813840A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE571603A (en) * 1957-10-08
US3262003A (en) * 1962-05-25 1966-07-19 Martin Marietta Corp Perforated hollow cathode discharge device
CN103972005A (en) * 2014-05-22 2014-08-06 哈尔滨工业大学 Electronic beam collecting device for electronic gun

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2099846A (en) * 1930-06-14 1937-11-23 Farnsworth Television Inc Thermionic oscillograph
US2124401A (en) * 1932-05-30 1938-07-19 Gen Electric Cathode-ray tube
US2034572A (en) * 1933-08-16 1936-03-17 Gen Electric Electric lamp and method of producing light
US2038341A (en) * 1934-06-07 1936-04-21 Aeg Electron discharge device
US2632130A (en) * 1947-11-28 1953-03-17 Joseph F Hull High current density beam tube

Also Published As

Publication number Publication date
GB813840A (en) 1959-05-27
US2803772A (en) 1957-08-20

Similar Documents

Publication Publication Date Title
FR1099234A (en) Concentration of an electron beam
CH336507A (en) Double electron tube
FR1146654A (en) Cathodic structure producing an electron beam of annular section
CH340912A (en) Electron tube
FR1159773A (en) Electron beam deflection system of an oscilloscope tube
FR1110828A (en) Electron tube base
FR1120195A (en) Method of constituting self-supporting constructions
CH340915A (en) Electron tube
CH335756A (en) Precision electron beam oscilloscope
FR1099285A (en) Cathode ray tube
FR68498E (en) Electron tube
FR67866E (en) Electron tube
FR1158205A (en) Manufacture of semiconductor bodies
BE591354A (en) Production of an electron beam.
FR1154506A (en) Directed beam electron tube
MY6000026A (en) Manufacture of new sulphonyl-ureas
FR68496E (en) Electron tube
FR1142305A (en) Electron tube
FR1129481A (en) Electron tube
FR1123012A (en) Electron tube
CA518554A (en) Manufacture of beryllium
FR1060057A (en) Electron tube
FR1140368A (en) Manufacture of triple superphosphate
BE587149A (en) Production of metals by electrolysis
CA511905A (en) Manufacture of low-carbon stainless steel