FR1427456A - Magnet assemblies providing fields for electronic devices - Google Patents

Magnet assemblies providing fields for electronic devices

Info

Publication number
FR1427456A
FR1427456A FR9655A FR9655A FR1427456A FR 1427456 A FR1427456 A FR 1427456A FR 9655 A FR9655 A FR 9655A FR 9655 A FR9655 A FR 9655A FR 1427456 A FR1427456 A FR 1427456A
Authority
FR
France
Prior art keywords
electronic devices
magnet assemblies
assemblies providing
providing fields
fields
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
FR9655A
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.)
Teledyne UK Ltd
Original Assignee
English Electric Valve Co 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 English Electric Valve Co Ltd filed Critical English Electric Valve Co Ltd
Priority to FR9655A priority Critical patent/FR1427456A/en
Application granted granted Critical
Publication of FR1427456A publication Critical patent/FR1427456A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02Electrodes; Magnetic control means; Screens
    • H01J23/08Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
    • H01J23/087Magnetic focusing arrangements
    • H01J23/0873Magnetic focusing arrangements with at least one axial-field reversal along the interaction space, e.g. P.P.M. focusing
FR9655A 1964-03-18 1965-03-18 Magnet assemblies providing fields for electronic devices Expired FR1427456A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9655A FR1427456A (en) 1964-03-18 1965-03-18 Magnet assemblies providing fields for electronic devices

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1141664 1964-03-18
FR9655A FR1427456A (en) 1964-03-18 1965-03-18 Magnet assemblies providing fields for electronic devices

Publications (1)

Publication Number Publication Date
FR1427456A true FR1427456A (en) 1966-02-04

Family

ID=26162480

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9655A Expired FR1427456A (en) 1964-03-18 1965-03-18 Magnet assemblies providing fields for electronic devices

Country Status (1)

Country Link
FR (1) FR1427456A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3529197A (en) * 1967-06-29 1970-09-15 Nippon Electric Co Electron tube device provided with a periodic permanent magnet focussing means and magnetic flux temperature compensating means

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3529197A (en) * 1967-06-29 1970-09-15 Nippon Electric Co Electron tube device provided with a periodic permanent magnet focussing means and magnetic flux temperature compensating means

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