| 摘要 |
PROBLEM TO BE SOLVED: To provide a device for measuring magnetic characteristics of a magnetic body capable of measuring magnetic characteristics of a minute sample in a shorter time.SOLUTION: A magnetic characteristic measuring device 100, which is a device for measuring magnetic characteristics of a magnetic material sample 10, comprises: a cantilever 11 having one end to which the magnetic material sample 10 is fixed; an exciter 20 for exciting the cantilever 11; a variable magnetic field generator 30 for applying a variable magnetic field, having continuously changing magnetic field intensity and the maximum intensity capable of magnetizing the magnetic material sample 10, to the magnetic material sample 10; a vibration sensor 40 for detecting vibration of the magnetic material sample 10; a cantilever vibration change measuring instrument 50 for measuring, from a detection signal of the vibration sensor 40, an amount of change of the vibration of the magnetic material sample 10; and a magnetization curve evaluation device 60 for obtaining information on the magnetic characteristics of the magnetic material sample 10 from a relationship between a value of the variable magnetic field and a ratio of the amount of change of the vibration of the magnetic material sample 10 to the value of the variable magnetic field.SELECTED DRAWING: Figure 1 |
