Magnetic resonance examination apparatus and method of operation

Details Magnetic resonance examination apparatus and method of operation Magnetic resonance examination apparatus and method of operation

1988-07-19

1989-08-29

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324307, G01R 3320

Patent

active

048620831

ABSTRACT:
The invention relates to a method of generating a selective 180.degree. rf pulse is formed by means of two selective 90.degree. rf pulses. Halfway between the two rf pulses there is generated a non-selective 180.degree. rf pulse which ensures that the excited nuclear magnetization is independent of the homogeneity of the steady magnetic field of the magnetic resonance examination apparatus.

REFERENCES:
patent: 4471306 (1984-09-01), Edelstein
patent: 4480228 (1984-10-01), Bottomley
patent: 4506223 (1985-03-01), Bottomley
patent: 4684893 (1987-08-01), Kojima

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