FR1427456A - Magnet assemblies providing fields for electronic devices - Google Patents
Magnet assemblies providing fields for electronic devicesInfo
- 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
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
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)
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 |
-
1965
- 1965-03-18 FR FR9655A patent/FR1427456A/en not_active Expired
Cited By (1)
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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