Method for producing multi-slice NMR images

Details Method for producing multi-slice NMR images Method for producing multi-slice NMR images

1988-08-15

1989-06-27

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324307, G01R 3320

Patent

active

048433225

ABSTRACT:
In an NMR imaging system spins in a set of slices are simultaneously excited by a composited RF excitation pulse in each NMR pulse sequence of a scan. The composite RF excitation pulse contains a set of terms, each of which excites a separate slice and each of which is modulated by a k.sub.y -dependent phase factor. The k.sub.y -dependent phase factor causes the iamge of each slice to be offset in the resulting reconstruction so that each slice image can be separated from the others.

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"SIMA: Simultaneous Multislice Acquisition of MR Images by Hadamard-encoded Excitation", S. P. Souz et al., Journal of Computer Assisted Tomoqraphy, pp. 1-5, 1988.

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