FR1442922A - System with permanent magnets to guide an electron beam by concentrating them on a long path, more particularly for traveling wave tubes - Google Patents

System with permanent magnets to guide an electron beam by concentrating them on a long path, more particularly for traveling wave tubes

Info

Publication number
FR1442922A
FR1442922A FR27811A FR27811A FR1442922A FR 1442922 A FR1442922 A FR 1442922A FR 27811 A FR27811 A FR 27811A FR 27811 A FR27811 A FR 27811A FR 1442922 A FR1442922 A FR 1442922A
Authority
FR
France
Prior art keywords
concentrating
guide
electron beam
permanent magnets
traveling wave
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
FR27811A
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.)
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
Priority to FR27811A priority Critical patent/FR1442922A/en
Application granted granted Critical
Publication of FR1442922A publication Critical patent/FR1442922A/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0273—Magnetic circuits with PM for magnetic field generation
    • H01F7/0278—Magnetic circuits with PM for magnetic field generation for generating uniform fields, focusing, deflecting electrically charged particles

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR27811A 1964-08-12 1965-08-10 System with permanent magnets to guide an electron beam by concentrating them on a long path, more particularly for traveling wave tubes Expired FR1442922A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR27811A FR1442922A (en) 1964-08-12 1965-08-10 System with permanent magnets to guide an electron beam by concentrating them on a long path, more particularly for traveling wave tubes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DES0092602 1964-08-12
FR27811A FR1442922A (en) 1964-08-12 1965-08-10 System with permanent magnets to guide an electron beam by concentrating them on a long path, more particularly for traveling wave tubes

Publications (1)

Publication Number Publication Date
FR1442922A true FR1442922A (en) 1966-06-17

Family

ID=25997756

Family Applications (1)

Application Number Title Priority Date Filing Date
FR27811A Expired FR1442922A (en) 1964-08-12 1965-08-10 System with permanent magnets to guide an electron beam by concentrating them on a long path, more particularly for traveling wave tubes

Country Status (1)

Country Link
FR (1) FR1442922A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2555744A1 (en) * 1975-03-17 1976-09-23 Ibm MAGNETIC LENS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2555744A1 (en) * 1975-03-17 1976-09-23 Ibm MAGNETIC LENS

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