Method and apparatus for measuring change in magnetic...

Details Method and apparatus for measuring change in magnetic... Method and apparatus for measuring change in magnetic...

2007-07-19

2008-11-11

Shrivastav, Brij B (Department: 2831)

Electricity: measuring and testing

Particle precession resonance

Using a magnetometer

C324S322000

Reexamination Certificate

active

07449883

ABSTRACT:
In order to measure the temperature parameters of magnetic materials, in a process and an apparatus for measuring the characteristics of variation of magnetic induction of magnetic material with respect to temperature, a probe is provided at any one point A within the effective imaging range of an MR apparatus, the magnetic material to be tested also being provided at point A. The material is contacted directly with a heating unit, and a temperature sensor is attached to said magnetic material to be tested. The temperature control unit adjusts and controls the heating unit to heat the magnetic material to be tested based on the information collected by the temperature sensor. A processing unit of the MR system controls the probe at A in real-time and receiving the MR signals for feeding into the processing unit of the MR system, and the magnetic induction at A being obtained after the analysis of the system. The temperature parameter of the magnetic material to be tested is calculated by measuring the magnetic induction thereof at A under different temperatures.

REFERENCES:
patent: 6476610 (2002-11-01), Wiegert et al.
patent: 6850804 (2005-02-01), Eggers et al.
patent: 7330032 (2008-02-01), Donnangelo
patent: 7345484 (2008-03-01), Nakahara et al.
patent: 2004/0014236 (2004-01-01), Albo et al.
patent: 98241658.X (1999-12-01), None
patent: 98241658.X (1999-12-01), None

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