| 摘要 |
A shimming means which is very much suitable for achieving a very precise evenness of magnetic field required for measurement, etc., of an NMR spectrum and is low-cost. An inclined magnetic field coil (106) is located inside a magnet (101) which generates a static magnetic field. Inside the inclined magnetic field coil, a shim coil (103) suitable for the size of an inspected section and an inspection mode and a high-frequency coil (108) are located near the inspected section and in the center of the magnet (101). By this method, the evenness of intensity of static magnetic field can be corrected efficiently with small current and properly for the change in a magnetic susceptibility of the structure of the inspected body.
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