NL274681A - - Google Patents

Info

Publication number
NL274681A
NL274681A NL274681DA NL274681A NL 274681 A NL274681 A NL 274681A NL 274681D A NL274681D A NL 274681DA NL 274681 A NL274681 A NL 274681A
Authority
NL
Netherlands
Application number
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.)
Publication of NL274681A publication Critical patent/NL274681A/xx

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
NL274681D 1961-02-22 NL274681A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES72657A DE1291022B (de) 1961-02-22 1961-02-22 Permanentmagnetsystem zur Erzeugung eines Magnetfeldes fuer die gebuendelte Fuehrung eines Elektronenstrahls ueber eine groessere Wegstrecke, insbesondere fuer Laufzeitroehren

Publications (1)

Publication Number Publication Date
NL274681A true NL274681A (enrdf_load_stackoverflow)

Family

ID=7503362

Family Applications (2)

Application Number Title Priority Date Filing Date
NL274681D NL274681A (enrdf_load_stackoverflow) 1961-02-22
NL130846D NL130846C (enrdf_load_stackoverflow) 1961-02-22

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL130846D NL130846C (enrdf_load_stackoverflow) 1961-02-22

Country Status (4)

Country Link
US (1) US3182234A (enrdf_load_stackoverflow)
DE (1) DE1291022B (enrdf_load_stackoverflow)
NL (2) NL130846C (enrdf_load_stackoverflow)
SE (1) SE302802B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4578663A (en) * 1984-11-29 1986-03-25 Lockheed Missiles & Space Company, Inc. Magnetic assembly

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3334264A (en) * 1963-07-01 1967-08-01 Gen Electric Beam focusing magnet system
US3283200A (en) * 1963-12-12 1966-11-01 Varian Associates High frequency electron discharge device having improved permanent magnetic focusing
US4658228A (en) * 1986-05-01 1987-04-14 The United States Of America As Represented By The Secreatry Of The Army Confinement of longitudinal, axially symmetric, magnetic fields to annular regions with permanent magnets
US4654618A (en) * 1986-05-01 1987-03-31 The United States Of America As Represented By The Secretary Of The Army Confinement of kOe magnetic fields to very small areas in miniature devices
US5055812A (en) * 1990-09-24 1991-10-08 The United States Of America As Represented By The Secretary Of The Army. Compensation for magnetic nonuniformities of permanent magnet structures
US5744910A (en) * 1993-04-02 1998-04-28 Litton Systems, Inc. Periodic permanent magnet focusing system for electron beam

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE521065A (enrdf_load_stackoverflow) * 1952-07-01
FR1114606A (fr) * 1954-11-18 1956-04-16 Csf Perfectionnements aux aimants permanents
FR1251199A (fr) * 1960-03-17 1961-01-13 Gen Precision Inc Perfectionnements aux dispositifs de concentration magnétique pour tubes électroniques et analogues
DE1136020B (de) * 1961-02-22 1962-09-06 Telefunken Patent Ferromagnetische Abschirmvorrichtung fuer eine permanentmagnetische Fokussierungsanordnung zur gebuendelten Fuehrung des Elektronenstrahls einer Lauffeldroehre

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4578663A (en) * 1984-11-29 1986-03-25 Lockheed Missiles & Space Company, Inc. Magnetic assembly

Also Published As

Publication number Publication date
SE302802B (enrdf_load_stackoverflow) 1968-08-05
US3182234A (en) 1965-05-04
DE1291022B (de) 1969-03-20
NL130846C (enrdf_load_stackoverflow)

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