US3143680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ion accelerators
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1959-11-24
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Granted: 1964-08-04
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Expires: 1979-11-24
Abstract
No abstract record available.
Inventors
- 👤 Klein Siegfried
- 👤 Pottier Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:29
CPC Classifications
H; H01; H01J; H01J27/00; H01J27/02; H01J27/16; H05; H05H; H05H5/00; H05H9/00; H05H9/02; Y; Y10; Y10S; Y10S164/00; Y10S164/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
AN ION ACCELERATOR, FOR ACCELERATING BUNCHES OF IONS SUPPLIED AT A REFERENCE POTENTIAL BY A HIGH INTENSITY PULSATING ION SOURCE, THIS ACCELERATOR COMPRISING, IN COMBINATION, AN EVACUATED TUBULAR CHAMBER HAVING ONE PORTION THEREOF CONNECTED WITH THE OUTLET OF SAID ION SOURCE SO AS TO RECEIVE IONS THEREFORM, A SERIES OF ELECTRODES PARTLY PERMEABLE TO IONS, SAID ELECTRODES BEING DISPOSED BEHIND ONE ANOTHER IN SAID CHAMBER TRANSVERSELY TO THE AXIS THEREOF, A HIGH DIRECT VOLTAGE SOURCE HAVING A FIRST TERMINAL AT SAID REFERENCE POTENTIAL AND A SECOND TERMINAL, A SERIES OF RESISTORS OF SUBSTANTIALLY IDENTICAL HIGH RESISTANCE AND OF NEGLIGIBLE INDUCTANCE HAVING EACH ONE END CONNECTED TO ONE OF SAID ELECTRODES, RESPECTIVELY, AND CONDUCTOR MEANS FOR CONNECTING SAID SECOND TERMINAL OF SAID SOURCE TO ALL THE OTHER ENDS OF SAID RESISTORS.
Claim 2
Dependent Claim
130 words
AN ION ACCELERATOR, FOR ACCELERATING BUNCHES OF IONS SUPPLIED AT A REFERENCE POTENTIAL BY A HIGH INTENSITY PULSATING ION SOURCE, THIS ACCELERATOR COMPRISING, IN COMBINATION, AN EVACUATED TUBULAR CHAMBER HAVING ONE PORTION THEREOF CONNECTED WITH THE OUTLET OF SAID ION SOURCE SO AS TO RECEIVE IONS THEREFORM, A SERIES OF ELECTRODES PARTLY PERMEABLE TO IONS, SAID ELECTRODES BEING DISPOSED BEHIND ONE ANOTHER IN SAID CHAMBER TRANSVERSELY TO THE AXIS THEREOF, A HIGH DIRECT VOLTAGE SOURCE HAVING A FIRST TERMINAL AT SAID REFERENCE POTENTIAL AND A SECOND TERMINAL, A SERIES OF RESISTORS OF SUBSTANTIALLY IDENTICAL HIGH RESISTANCE AND OF NEGLIGIBLE INDUCTANCE HAVING EACH ONE END CONNECTED TO ONE OF SAID ELECTRODES, RESPECTIVELY, AND CONDUCTOR MEANS FOR CONNECTING SAID SECOND TERMINAL OF SAID SOURCE TO ALL THE OTHER ENDS OF SAID RESISTORS.
References Cited (Backward Citations)
US2261569A
Cited
US2611878A
Cited
US2688088A
Cited
US2880356A
Cited
US2845571A
Cited
US2770755A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |