GB1257244A - - Google Patents

Info

Publication number
GB1257244A
GB1257244A GB1257244DA GB1257244A GB 1257244 A GB1257244 A GB 1257244A GB 1257244D A GB1257244D A GB 1257244DA GB 1257244 A GB1257244 A GB 1257244A
Authority
GB
United Kingdom
Prior art keywords
polepiece
adjacent
perturbation
magnet
pair
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)
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 filed Critical
Publication of GB1257244A publication Critical patent/GB1257244A/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

Landscapes

  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Physical Vapour Deposition (AREA)
GB1257244D 1969-09-12 1969-09-12 Expired GB1257244A (ru)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4504569 1969-09-12

Publications (1)

Publication Number Publication Date
GB1257244A true GB1257244A (ru) 1971-12-15

Family

ID=10435668

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1257244D Expired GB1257244A (ru) 1969-09-12 1969-09-12

Country Status (3)

Country Link
DE (1) DE2045103A1 (ru)
FR (1) FR2061689B1 (ru)
GB (1) GB1257244A (ru)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3014404C2 (de) * 1979-04-11 1985-04-18 Nippon Electric Co., Ltd., Tokio/Tokyo Lauffeldröhre

Also Published As

Publication number Publication date
FR2061689B1 (ru) 1973-01-12
FR2061689A1 (ru) 1971-06-25
DE2045103A1 (de) 1971-03-25

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee