GB9317434D0 - Magnet arrangements - Google Patents

Magnet arrangements

Info

Publication number
GB9317434D0
GB9317434D0 GB939317434A GB9317434A GB9317434D0 GB 9317434 D0 GB9317434 D0 GB 9317434D0 GB 939317434 A GB939317434 A GB 939317434A GB 9317434 A GB9317434 A GB 9317434A GB 9317434 D0 GB9317434 D0 GB 9317434D0
Authority
GB
United Kingdom
Prior art keywords
magnet arrangements
arrangements
magnet
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.)
Withdrawn
Application number
GB939317434A
Other versions
GB2278231A (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.)
Teledyne UK Ltd
Original Assignee
EEV Ltd
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 EEV Ltd filed Critical EEV Ltd
Publication of GB9317434D0 publication Critical patent/GB9317434D0/en
Priority to EP94302505A priority Critical patent/EP0624893A3/en
Publication of GB2278231A publication Critical patent/GB2278231A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2223/00—Details of transit-time tubes of the types covered by group H01J2225/00
    • H01J2223/02—Electrodes; Magnetic control means; Screens
    • H01J2223/08—Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
    • H01J2223/087—Magnetic focusing arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2225/00—Transit-time tubes, e.g. Klystrons, travelling-wave tubes, magnetrons
    • H01J2225/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
    • H01J2225/10—Klystrons, i.e. tubes having two or more resonators, without reflection of the electron stream, and in which the stream is modulated mainly by velocity in the zone of the input resonator
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2225/00—Transit-time tubes, e.g. Klystrons, travelling-wave tubes, magnetrons
    • H01J2225/34—Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
GB9317434A 1993-05-12 1993-08-03 Magnet arrangements Withdrawn GB2278231A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP94302505A EP0624893A3 (en) 1993-05-12 1994-04-08 Magnet arrangements.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939309738A GB9309738D0 (en) 1993-05-12 1993-05-12 Magnet arrangements

Publications (2)

Publication Number Publication Date
GB9317434D0 true GB9317434D0 (en) 1993-10-06
GB2278231A GB2278231A (en) 1994-11-23

Family

ID=10735309

Family Applications (2)

Application Number Title Priority Date Filing Date
GB939309738A Pending GB9309738D0 (en) 1993-05-12 1993-05-12 Magnet arrangements
GB9317434A Withdrawn GB2278231A (en) 1993-05-12 1993-08-03 Magnet arrangements

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB939309738A Pending GB9309738D0 (en) 1993-05-12 1993-05-12 Magnet arrangements

Country Status (1)

Country Link
GB (2) GB9309738D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2010515C2 (en) * 2013-03-25 2014-09-29 Univ Delft Tech Magnet and device for magnetic density separation including magnetic field correction.
CN105551915B (en) * 2016-02-02 2017-07-28 中国科学院电子学研究所 The Periodic magnetic focusing system and klystron of a kind of adjustable magnetic fields
US10847294B2 (en) * 2017-07-10 2020-11-24 Aspect Imaging Ltd. System for generating a magnetic field

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5107238A (en) * 1991-04-01 1992-04-21 The United States Of America As Represented By The Secretary Of The Army Magnetic cladding for use in periodic permanent magnet stacks

Also Published As

Publication number Publication date
GB2278231A (en) 1994-11-23
GB9309738D0 (en) 1993-06-23

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)