US3076112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ion source
Assignee: Thales SA
•
Filing: 1960-01-18
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Granted: 1963-01-29
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Expires: 1980-01-18
Abstract
No abstract record available.
Inventors
- 👤 Wasserman Marien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:10
CPC Classifications
H; H01; H01J; H01J27/00; H01J27/02; H01J27/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
IN A ROTATIONAL SYMMETRY DEVICE TRAVERSED ALONG ITS AXIS BY A METAL ROD AND HAVING FEEDING MEANS FOR SAID ROD TO SEND AN ELECTRIC CURRENT THERETHROUGH, THEREBY GENERATING MAGNETIC FIELD HAVING LINES OF FORCE OF CIRCULAR SHAPE AROUND SAID ROD, AN ION SOURCE HAVING A CYLINDRICAL EXTRACTION ELECTRODE COAXIAL WITH SAID ROD, AN EVACUATED VESSEL SURROUNDING SAID ELECTRODE, MEANS FOR FEEDING GAS TO BE IONIZED INTO SAID VESSEL, MEANS FOR EMITTING A HOLLOW ELECTRON BEAM PROPAGATING SUBSTANTIALLY PARALLEL TO SAID ROD THROUGH SAID GAS THEREBY IONIZING IT INCLUDING FIRST RADIAL ELECTRIC FIELD GENERATING MEANS ACTING TOGETHER WITH SAID CIRCULAR MAGNETIC FIELD ON SAID ELECTRONS TO DIRECT THE SAME SUBSTANTIALLY PERPENDICULARLY TO BOTH SAID FIELDS, AND MEANS FOR GENERATING A SECOND RADIAL ELECTRIC FIELD IN THE SPACE BETWEEN SAID ROD AND SAID EXTRACTION ELECTRODE, SAID LAST-MENTIONED SPACE RECEIVING IONS PRODUCED BY SAID
Claim 2
Dependent Claim
141 words
IN A ROTATIONAL SYMMETRY DEVICE TRAVERSED ALONG ITS AXIS BY A METAL ROD AND HAVING FEEDING MEANS FOR SAID ROD TO SEND AN ELECTRIC CURRENT THERETHROUGH, THEREBY GENERATING MAGNETIC FIELD HAVING LINES OF FORCE OF CIRCULAR SHAPE AROUND SAID ROD, AN ION SOURCE HAVING A CYLINDRICAL EXTRACTION ELECTRODE COAXIAL WITH SAID ROD, AN EVACUATED VESSEL SURROUNDING SAID ELECTRODE, MEANS FOR FEEDING GAS TO BE IONIZED INTO SAID VESSEL, MEANS FOR EMITTING A HOLLOW ELECTRON BEAM PROPAGATING SUBSTANTIALLY PARALLEL TO SAID ROD THROUGH SAID GAS THEREBY IONIZING IT INCLUDING FIRST RADIAL ELECTRIC FIELD GENERATING MEANS ACTING TOGETHER WITH SAID CIRCULAR MAGNETIC FIELD ON SAID ELECTRONS TO DIRECT THE SAME SUBSTANTIALLY PERPENDICULARLY TO BOTH SAID FIELDS, AND MEANS FOR GENERATING A SECOND RADIAL ELECTRIC FIELD IN THE SPACE BETWEEN SAID ROD AND SAID EXTRACTION ELECTRODE, SAID LAST-MENTIONED SPACE RECEIVING IONS PRODUCED BY SAID
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |