US3284629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mass filter having an ion source structure with preselected relative potentials applied thereto
Assignee: Siemens Schuckertwerke AG
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Filing: 1963-02-04
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Granted: 1966-11-08
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Expires: 1983-02-04
Abstract
No abstract record available.
Inventors
- 👤 Zahn Ulf Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:55
CPC Classifications
H; H01; H01J; H01J49/00; H01J49/26; H01J49/34; H01J49/42; H01J49/4205; H01J49/421
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A MASS SPECTROSCOPE SYSTEM, COMPRISING AN ION SOURCE INCLUDING AN ION FORMING DEVICE AND A FIELD ENTRANCE DIAPHRAGM, AN EVACUATED VESSEL SURROUNDING THE ION SOURCE AND INCLUDING THEREIN ANALYZER FIELD MEANS, POWER MEANS FOR ENERGIZING SAID ION SOURCE AND FOR APPLYING TO SAID ION FORMING DEVICE AND SAID ENTRANCE DIAPHRAGM THE RESPECTIVE DIRECT POTENTIALS $IO AND $EB, WHERE $IO>$EB, VOLTAGE MEANS FOR APPLYING TO SAID FIELD MEANS A POTENTIAL $=+F1(T)(AX2+BY2-YZ2)+$TR, WHERE F1(T) IS ANY DESIRED PERIODIC FUNCTION OF TIME, X, Y AND Z ARE SPACE COORDINATES AND A, B AND Y ARE CONSTANTS SATISFYING THE EQUATION A+B=Y,AND WHEREIN $TR>$EB.
Claim 2
Dependent Claim
99 words
A MASS SPECTROSCOPE SYSTEM, COMPRISING AN ION SOURCE INCLUDING AN ION FORMING DEVICE AND A FIELD ENTRANCE DIAPHRAGM, AN EVACUATED VESSEL SURROUNDING THE ION SOURCE AND INCLUDING THEREIN ANALYZER FIELD MEANS, POWER MEANS FOR ENERGIZING SAID ION SOURCE AND FOR APPLYING TO SAID ION FORMING DEVICE AND SAID ENTRANCE DIAPHRAGM THE RESPECTIVE DIRECT POTENTIALS $IO AND $EB, WHERE $IO>$EB, VOLTAGE MEANS FOR APPLYING TO SAID FIELD MEANS A POTENTIAL $=+F1(T)(AX2+BY2-YZ2)+$TR, WHERE F1(T) IS ANY DESIRED PERIODIC FUNCTION OF TIME, X, Y AND Z ARE SPACE COORDINATES AND A, B AND Y ARE CONSTANTS SATISFYING THE EQUATION A+B=Y,AND WHEREIN $TR>$EB.
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |