US3085058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasma heating
Assignee: AT&T Inc
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Filing: 1959-12-08
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Granted: 1963-04-09
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Expires: 1979-12-08
Abstract
No abstract record available.
Inventors
- 👤 Solomon J Buchsbaum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:38
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/02; H05H1/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
THE METHOD OF PROVVIDING A HEATED GAS PLASMA COMPRISING THE STEPS OF MAGNETICALLY ENCLOSING A MIXTURE OF TWO GASES HAVING DIFFERENT CHARGE/MASS RATIOS DIFFERING NO MORE THAN BY A FACTOR OF THIRTY, IONIZING THE TWO GASES TO FORM A PLASMA OF TWO SEPARATE ION SPECIES, AND SUPPLYING TO THE MIXTURE FOR SETTING INTO OSCILLATION SEPARATELY THE TWO ION SSPECIES RADIO FREQUENCY ENERGY OF A FREQUNCY SUBSTANTIALLY EQUAL TO (((X1Y2+Y2Y1)/(X1Y1+X2Y2))(W1W2))1/2 WHERE X1 AND X2 ARE THE FRACTIONAL AMOUNTS BY WEIGHT OF THE TWO ION SPECIES, Y1 AND Y2 ARE THE RATIOS OF THE ELECTRON MASS/CHARGE RATIO TO THE ION MASS/CHARGE RATIO OF THE TWO GASES, AND W1 AND W2 ARE THE CYCLOTRON FREQUENCIES OF THE TWO IONS, THE RATIO OF THE CONCENTRATIONS OF THE TWO ION SPECIES BEING SUBSTANTIALLY EQUAL TO THE RATIO OF THE MASSES OF THE TWO ION SPECIES.
Claim 2
Independent Claim
140 words
THE METHOD OF PROVVIDING A HEATED GAS PLASMA COMPRISING THE STEPS OF MAGNETICALLY ENCLOSING A MIXTURE OF TWO GASES HAVING DIFFERENT CHARGE/MASS RATIOS DIFFERING NO MORE THAN BY A FACTOR OF THIRTY, IONIZING THE TWO GASES TO FORM A PLASMA OF TWO SEPARATE ION SPECIES, AND SUPPLYING TO THE MIXTURE FOR SETTING INTO OSCILLATION SEPARATELY THE TWO ION SSPECIES RADIO FREQUENCY ENERGY OF A FREQUNCY SUBSTANTIALLY EQUAL TO (((X1Y2+Y2Y1)/(X1Y1+X2Y2))(W1W2))1/2 WHERE X1 AND X2 ARE THE FRACTIONAL AMOUNTS BY WEIGHT OF THE TWO ION SPECIES, Y1 AND Y2 ARE THE RATIOS OF THE ELECTRON MASS/CHARGE RATIO TO THE ION MASS/CHARGE RATIO OF THE TWO GASES, AND W1 AND W2 ARE THE CYCLOTRON FREQUENCIES OF THE TWO IONS, THE RATIO OF THE CONCENTRATIONS OF THE TWO ION SPECIES BEING SUBSTANTIALLY EQUAL TO THE RATIO OF THE MASSES OF THE TWO ION SPECIES.
References Cited (Backward Citations)
FR1180695A
Cited
US2969308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |