FR1334312A - Perfectionnements aux tubes électroniques du type magnétron - Google Patents
Perfectionnements aux tubes électroniques du type magnétronInfo
- Publication number
- FR1334312A FR1334312A FR829880A FR829880A FR1334312A FR 1334312 A FR1334312 A FR 1334312A FR 829880 A FR829880 A FR 829880A FR 829880 A FR829880 A FR 829880A FR 1334312 A FR1334312 A FR 1334312A
- Authority
- FR
- France
- Prior art keywords
- magnetron
- type electron
- electron tubes
- tubes
- type
- 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
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/50—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
- H01J25/52—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode
-
- 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
- H01J23/04—Cathodes
- H01J23/05—Cathodes having a cylindrical emissive surface, e.g. cathodes for magnetrons
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/50—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
- H01J25/52—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode
- H01J25/58—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode having a number of resonators; having a composite resonator, e.g. a helix
- H01J25/587—Multi-cavity magnetrons
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR829880A FR1334312A (fr) | 1960-06-14 | 1960-06-14 | Perfectionnements aux tubes électroniques du type magnétron |
US126370A US3275866A (en) | 1960-06-14 | 1961-05-25 | Magnetron cathode structures |
GB20052/61A GB937449A (en) | 1960-06-14 | 1961-06-02 | Improvements relating to magnetron valves |
DEL39190A DE1294561B (de) | 1960-06-14 | 1961-06-09 | Hochleistungsmagnetronroehre fuer sehr hohe Frequenzen |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR829880A FR1334312A (fr) | 1960-06-14 | 1960-06-14 | Perfectionnements aux tubes électroniques du type magnétron |
FR842663A FR81853E (fr) | 1960-10-31 | 1960-10-31 | Perfectionnements aux tubes électroniques du type magnétron |
FR860263A FR81858E (fr) | 1961-04-28 | 1961-04-28 | Perfectionnements aux tubes électroniques du type magnétron |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1334312A true FR1334312A (fr) | 1963-08-09 |
Family
ID=27245550
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR829880A Expired FR1334312A (fr) | 1960-06-14 | 1960-06-14 | Perfectionnements aux tubes électroniques du type magnétron |
Country Status (4)
Country | Link |
---|---|
US (1) | US3275866A (fr) |
DE (1) | DE1294561B (fr) |
FR (1) | FR1334312A (fr) |
GB (1) | GB937449A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3462635A (en) * | 1966-10-24 | 1969-08-19 | Ibm | Holder for highly reactive cathodes of rare-earth borides such as lanthanum hexaboride,the holder provided with a cooling means opposite to the emissive end of the cathode in order to reduce tendency of holder deterioration |
JPS52137969A (en) * | 1976-05-14 | 1977-11-17 | Hitachi Ltd | Magnetron |
US5130601A (en) * | 1990-03-14 | 1992-07-14 | Litton Systems, Inc. | Quick warm-up cathode heater for high average power magnetrons |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2574562A (en) * | 1946-02-27 | 1951-11-13 | Rca Corp | Electron discharge device and circuit |
US2737611A (en) * | 1953-08-12 | 1956-03-06 | Litton Industries Inc | Magnetron anode-cathode structure |
GB793962A (en) * | 1955-07-07 | 1958-04-23 | M O Valve Co Ltd | Improvements in or relating to magnetrons |
US2894171A (en) * | 1956-09-19 | 1959-07-07 | Emi Ltd | Magnetrons |
US2945159A (en) * | 1957-03-25 | 1960-07-12 | Bomac Lab Inc | Magnetron device |
FR1200355A (fr) * | 1958-04-23 | 1959-12-21 | Lignes Telegraph Telephon | Perfectionnements aux structures de cathodes pour magnétrons à forte puissance |
FR1233596A (fr) * | 1959-05-02 | 1960-10-12 | Lignes Telegraph Telephon | Perfectionnements aux tubes à vide du type magnétron |
-
1960
- 1960-06-14 FR FR829880A patent/FR1334312A/fr not_active Expired
-
1961
- 1961-05-25 US US126370A patent/US3275866A/en not_active Expired - Lifetime
- 1961-06-02 GB GB20052/61A patent/GB937449A/en not_active Expired
- 1961-06-09 DE DEL39190A patent/DE1294561B/de active Pending
Also Published As
Publication number | Publication date |
---|---|
US3275866A (en) | 1966-09-27 |
GB937449A (en) | 1963-09-18 |
DE1294561B (de) | 1969-05-08 |
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