Apparatus for improving the homogeneity of magnetic fields
Abstract
Abstract 1. APPARATUS FOR IMPROVING THE HOMOGENEITY OF A REGION OF MAGNETIC FIELD COMPRISING A PLURALITY OF SEPARATELY ENERGIZABLE ELECTRIC CONDUCTOR MEANS ARRANGED ADJACENT THE REGION OF MAGNETIC FIELD TO BE CORRECTED, AN ADJUSTABLE CURRENT VARYING MEANS FOR EACH SAID CONDUCTOR MEANS, EACH CONDUCTOR MEANS INCLUDING A PLURALITY OF CIRCUIT LOOPS HAVING GENERALLY RECTILINEAR SIDES WITH THE CURRENT DENSITY BEING CONCENTRATED NEAR THE PRIMETER OF SAID CURRENT LOOPS AND DISPOSED TO PROVIDE A CORRESPONDING HOMOGENIZING MAGNETIC FIELD COMPONENT WITHIN SAID REGION OF FIELD THAT IS ADJUSTABLE IN ACCORDANCE WITH ADJUSTMENT OF SAID CURRENT VARYING MEANS, SAID CONDUCTOR MEANS BEING GEOMETRICALLY ORIENTED WITH RESPECT TO THE REGION OF FIELD AND TO EACH OTHER TO VARIOUSLY DIRECT SAID COMPONENTS FOR INDEPENDENT OPTIMAL ADJUSTMENT OF EACH, WITHOUT MATERIALLY AFFECTING THE ADJUSTMENT OF ANY OTHER, TO PROVIDE A RESULTANT MAGNETIC FIELD REGION WITHIN SAID REGION OF MAGNETIC FIELD FREE OF UNDESIRED INHOMOGENEITIES.
Inventors
- 👤 Edwin T Jaynes
Bibliographic Details
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |