Patent US3209281A successfully refreshed from Google Patents.
US3209281A
Expired / Lapsed
US
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Method and apparatus for dynamic pinch pulse maser pumping
Assignee: Individual
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Filing: 1962-03-22
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Granted: 1965-09-28
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Expires: 1982-03-22
Abstract
No abstract record available.
Inventors
- 👤 Stirling A Colgate
- 👤 Alvin W Trivelpiece
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:16
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/09; H01S3/091; H01S3/0915; H01S3/092; H01S3/093
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
IN A METHOD FOR PRODUCING COHERENT RADIATION FROM A MASER THE STEPS COMPRISING, (A) INTRODUCING GAS PARTICLES INTO AN EVACUATED REGION, SAID GAS INCLUDING PARTICLES OF AN ATOMIC NUMBER GREATER THAN 1 THEREBY BEING CAPABLE OF BEING PARTIALLY IONIZED TO LEAVE RESIDUAL ELECTRONS BOUND TO THE NUCLEI OF SAID GAS PARTICLES, (B) IONIZING SAID GAS PARTICLES TO PRODUCE A PLASMA IN SAID EVACUATED REGION, (C) APPLYING A MAGNETIC FIELD TO CONFINE SAID PLASMA IN A ZONE REMOVED FROM CONTACT WITH MATERIAL WALLS DEFINING SAID EVACUATED CHAMBER, (D) HEATING SAID IONIZED GAS PARTICLES TO A TEMPERATURE AT WHICH SAID PARTICLES OF ATOMIC NUMBER GREATER THAN 1 ARE IONIZED TO A LEVEL AT WHICH RESIDUAL ELECTRONS ARE BOUND TO THE NUCLEI THEREOF AND EXCITED TO EMIT MONOCHROMATIC PRINCIPAL LINE SPECTRA RADIATION, AND (E) SUBJECTING A MASER MATERIAL TO SUCH RADIATION, SAID MASER MATERIAL HAVING A PUMPING ENERGY GAP LEVEL LESS THAN THE ENERGY OF SAID PRINCIPAL LINE SPECTRA RADIATION TO PUMP SAID MASER TO PRODUCER COHERENT RADIATION WHICH IS EMITTED THEREFROM.
Claim 2
Dependent Claim
169 words
IN A METHOD FOR PRODUCING COHERENT RADIATION FROM A MASER THE STEPS COMPRISING, (A) INTRODUCING GAS PARTICLES INTO AN EVACUATED REGION, SAID GAS INCLUDING PARTICLES OF AN ATOMIC NUMBER GREATER THAN 1 THEREBY BEING CAPABLE OF BEING PARTIALLY IONIZED TO LEAVE RESIDUAL ELECTRONS BOUND TO THE NUCLEI OF SAID GAS PARTICLES, (B) IONIZING SAID GAS PARTICLES TO PRODUCE A PLASMA IN SAID EVACUATED REGION, (C) APPLYING A MAGNETIC FIELD TO CONFINE SAID PLASMA IN A ZONE REMOVED FROM CONTACT WITH MATERIAL WALLS DEFINING SAID EVACUATED CHAMBER, (D) HEATING SAID IONIZED GAS PARTICLES TO A TEMPERATURE AT WHICH SAID PARTICLES OF ATOMIC NUMBER GREATER THAN 1 ARE IONIZED TO A LEVEL AT WHICH RESIDUAL ELECTRONS ARE BOUND TO THE NUCLEI THEREOF AND EXCITED TO EMIT MONOCHROMATIC PRINCIPAL LINE SPECTRA RADIATION, AND (E) SUBJECTING A MASER MATERIAL TO SUCH RADIATION, SAID MASER MATERIAL HAVING A PUMPING ENERGY GAP LEVEL LESS THAN THE ENERGY OF SAID PRINCIPAL LINE SPECTRA RADIATION TO PUMP SAID MASER TO PRODUCER COHERENT RADIATION WHICH IS EMITTED THEREFROM.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |