US3409823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of eliminating magnetocrystalline anistropy effect on spin resonance of ferrimagnetic materials
Assignee: United States Department of the Air Force
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Filing: 1966-07-01
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Granted: 1968-11-05
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Expires: 1986-07-01
Abstract
No abstract record available.
Inventors
- 👤 Ernst R Czerlinsky
- 👤 Peter D Gianino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:20
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/26; C04B35/2675; G; G01; G01N; G01N24/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
THE METHOD OF ELIMINATING THE EFFECT OF MAGNETOCRYSTALLINE ANISOTROPY AND CONCOMITANT TEMPERATURE INFLUENCE ON THE RESONANCE FIELD OF SINGLE CRYSTALS OF FERRIMAGNETIC AND FERROMAGNETIC MATERIALS COMPRISING THE STEPS OF; PROVIDING A SAMPLE OF SAID MATERIAL LOCATED IN A DEVICE WHEREBY SAID SAMPLE IS IMMERSED IN A UNIDIRECTIONAL EXTERNAL MAGNETIC BIASING FIELD, HEXT, AND EXPOSED TO AN ALTERNATING MAGNETIC FIELD HAVING AN OPERATING FREQUENCY, F, ORIENTING A SAMPLE OF THE MATERIAL IN
Claim 2
Independent Claim
71 words
THE METHOD OF ELIMINATING THE EFFECT OF MAGNETOCRYSTALLINE ANISOTROPY AND CONCOMITANT TEMPERATURE INFLUENCE ON THE RESONANCE FIELD OF SINGLE CRYSTALS OF FERRIMAGNETIC AND FERROMAGNETIC MATERIALS COMPRISING THE STEPS OF; PROVIDING A SAMPLE OF SAID MATERIAL LOCATED IN A DEVICE WHEREBY SAID SAMPLE IS IMMERSED IN A UNIDIRECTIONAL EXTERNAL MAGNETIC BIASING FIELD, HEXT, AND EXPOSED TO AN ALTERNATING MAGNETIC FIELD HAVING AN OPERATING FREQUENCY, F, ORIENTING A SAMPLE OF THE MATERIAL IN
References Cited (Backward Citations)
US3087122A
Cited
US3246263A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |