Phased-array coil, receive signal processing circuit, and MRI ap

Details Phased-array coil, receive signal processing circuit, and MRI ap Phased-array coil, receive signal processing circuit, and MRI ap

1999-04-27

2000-08-01

Oda, Christine K.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

324318, 324322, G01V 300

Patent

active

06097186&

ABSTRACT:
In order to provide a phased-array coil having a highly homogeneous sensitivity region, an opposing coil set 10 composed of a pair of gutter-shaped coils 10a and 10b whose concave surfaces face each other, an opposing coil set 20 composed of a pair of gutter-shaped coils 20a and 20b whose concave surfaces face each other, an opposing coil set 30 composed of a pair of gutter-shaped coils 30a and 30b whose concave surfaces face each other, and an opposing coil set 40 composed of a pair of gutter-shaped coils 40a and 40b whose concave surfaces face each other are disposed around the center axis J of an imaginary cylinder at an angular spacing of 45.degree., with each coil overlapping the adjacent ones by about 10% of the coil surface area, to be assembled into a cylindrical shape as a whole.

REFERENCES:
patent: 4825162 (1989-04-01), Roemer et al.
patent: 5329233 (1994-07-01), Hayes
patent: 5500596 (1996-03-01), Grist et al.

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