FR1099234A - Concentration d'un faisceau d'électrons - Google Patents

Concentration d'un faisceau d'électrons

Info

Publication number
FR1099234A
FR1099234A FR1099234DA FR1099234A FR 1099234 A FR1099234 A FR 1099234A FR 1099234D A FR1099234D A FR 1099234DA FR 1099234 A FR1099234 A FR 1099234A
Authority
FR
France
Prior art keywords
concentration
electron beam
electron
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)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR1099234A publication Critical patent/FR1099234A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/08—Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
    • H01J23/087—Magnetic focusing arrangements
    • H01J23/0873—Magnetic focusing arrangements with at least one axial-field reversal along the interaction space, e.g. P.P.M. focusing
FR1099234D 1953-04-29 1954-03-23 Concentration d'un faisceau d'électrons Expired FR1099234A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US351984A US2841739A (en) 1953-04-29 1953-04-29 Electron beam systems

Publications (1)

Publication Number Publication Date
FR1099234A true FR1099234A (fr) 1955-08-31

Family

ID=23383280

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1099234D Expired FR1099234A (fr) 1953-04-29 1954-03-23 Concentration d'un faisceau d'électrons

Country Status (7)

Country Link
US (2) US2841739A (xx)
BE (1) BE528454A (xx)
CH (1) CH342662A (xx)
DE (2) DE1127498B (xx)
FR (1) FR1099234A (xx)
GB (1) GB757369A (xx)
NL (1) NL95352C (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1076280B (de) * 1956-03-01 1960-02-25 Siemens Ag Permanentmagnetsystem zur gebuendelten Fuehrung mindestens eines Elektronenstrahls ueber eine groessere Wegstrecke, insbesondere fuer Wanderfeldroehren

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2925508A (en) * 1955-07-28 1960-02-16 Sperry Rand Corp Electron beam focusing structure
US2945153A (en) * 1956-08-31 1960-07-12 Rca Corp Electron beam tube
US2991391A (en) * 1957-07-24 1961-07-04 Varian Associates Electron beam discharge apparatus
US2966609A (en) * 1957-11-22 1960-12-27 Gen Electric Magnetic structures for high frequency energy interchange apparatus
NL237015A (xx) * 1958-03-12
US2939995A (en) * 1958-05-19 1960-06-07 Bell Telephone Labor Inc Traveling wave tube
DE1276217B (de) * 1958-06-25 1968-08-29 Siemens Ag Elektronenstrahlroehre mit Geschwindigkeitsmodulation, insbesondere Lauffeldroehre
NL277862A (xx) * 1961-05-02
US3265925A (en) * 1962-07-03 1966-08-09 Bell Telephone Labor Inc Field perturbing means for preventing beam scalloping in reversed field focusing system
FR2363185A1 (fr) * 1976-08-27 1978-03-24 Thomson Csf Dispositif de couplage pour tube hyperfrequence et tube hyperfrequence comportant un tel dispositif
GB2152742B (en) * 1980-04-28 1986-02-19 Emi Varian Ltd Microwave amplifiers and oscillators
GB2152741B (en) * 1980-04-28 1986-02-12 Emi Varian Ltd Producing an electron beam
US5332948A (en) * 1992-05-13 1994-07-26 Litton Systems, Inc. X-z geometry periodic permanent magnet focusing system
JP5835822B1 (ja) 2014-06-30 2015-12-24 Ｎｅｃネットワーク・センサ株式会社 高周波回路システム
US11961693B2 (en) 2020-11-15 2024-04-16 Elve Inc. Magneto-electrostatic sensing, focusing, and steering of electron beams in vacuum electron devices

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB504802A (en) * 1937-11-01 1939-05-01 Frederick Hermes Nicoll Improvements in or relating to permanent magnet devices for producing axially symmetrical magnetic fields
GB539422A (en) * 1940-02-06 1941-09-10 Standard Telephones Cables Ltd Improvements in or relating to arrangments for producing concentrated beams of electrons, particularly for electron discharge apparatus of the velocity modulation type
NL62817C (xx) * 1940-05-04
USRE22389E (en) * 1940-07-13 1943-11-02 Electron beam concentrating
BE485548A (xx) * 1947-10-31
US2741718A (en) * 1953-03-10 1956-04-10 Sperry Rand Corp High frequency apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1076280B (de) * 1956-03-01 1960-02-25 Siemens Ag Permanentmagnetsystem zur gebuendelten Fuehrung mindestens eines Elektronenstrahls ueber eine groessere Wegstrecke, insbesondere fuer Wanderfeldroehren

Also Published As

Publication number Publication date
DE1127498B (de) 1962-04-12
BE528454A (xx)
DE1071237B (xx)
GB757369A (en) 1956-09-19
US2841739A (en) 1958-07-01
USRE25189E (en) 1962-06-19
CH342662A (fr) 1959-11-30
NL95352C (xx)

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