FR1099234A - Concentration of an electron beam - Google Patents

Concentration of an electron beam

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
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/en
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 of an electron beam Expired FR1099234A (en)

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 (en) 1955-08-31

Family

ID=23383280

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1099234D Expired FR1099234A (en) 1953-04-29 1954-03-23 Concentration of an electron beam

Country Status (7)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1076280B (en) * 1956-03-01 1960-02-25 Siemens Ag Permanent magnet system for the bundled guidance of at least one electron beam over a larger distance, especially for traveling wave tubes

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
NL100798C (en) * 1958-03-12
US2939995A (en) * 1958-05-19 1960-06-07 Bell Telephone Labor Inc Traveling wave tube
DE1276217B (en) * 1958-06-25 1968-08-29 Siemens Ag Electron beam tubes with speed modulation, especially running field tubes
NL277862A (en) * 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 (en) * 1976-08-27 1978-03-24 Thomson Csf COUPLING DEVICE FOR HYPERFREQUENCY TUBE AND HYPERFREQUENCY TUBE INCLUDING SUCH A DEVICE
GB2152741B (en) * 1980-04-28 1986-02-12 Emi Varian Ltd Producing an electron beam
GB2152742B (en) * 1980-04-28 1986-02-19 Emi Varian Ltd Microwave amplifiers and oscillators
US5332948A (en) * 1992-05-13 1994-07-26 Litton Systems, Inc. X-z geometry periodic permanent magnet focusing system
JP5835822B1 (en) 2014-06-30 2015-12-24 Ｎｅｃネットワーク・センサ株式会社 High frequency circuit system
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 (en) * 1940-05-04
USRE22389E (en) * 1940-07-13 1943-11-02 Electron beam concentrating
FR956343A (en) * 1947-10-31 1950-01-31
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 (en) * 1956-03-01 1960-02-25 Siemens Ag Permanent magnet system for the bundled guidance of at least one electron beam over a larger distance, especially for traveling wave tubes

Also Published As

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

Similar Documents

Publication Publication Date Title
FR1099272A (en) Preservation of materials
CH330870A (en) Goniometer
CH328590A (en) Thermionic cathode
CH343181A (en) Connection of several components
FR1099234A (en) Concentration of an electron beam
CH351679A (en) Electron beam focusing device
CH325278A (en) electron microscope
CH340912A (en) Electron tube
FR1110828A (en) Electron tube base
CH328884A (en) Corpuscular beam microscope
FR1099285A (en) Cathode ray tube
FR1088178A (en) Manufacture of o-diazoacetylserines
FR1114163A (en) electron emitting electrode
CH340915A (en) Electron tube
FR1087705A (en) Fertilizer distributor-mixer
AT184714B (en) Ceiling beams
FR1091134A (en) Stopcock
FR1085671A (en) Device for adjusting the concentration of an electron beam
FR1104247A (en) Anode structure
FR1118445A (en) Electron tube
FR1096039A (en) Electron tube
FR1112714A (en) Limited beam chi-ray tube
FR1097102A (en) stable
FR1089890A (en) Manufacture of aliphatic hydrocarbons
AT180707B (en) Ceiling beams