Magnetic Resonance Imaging (MRI) relies on strong and uniform magnetic fields generated by magnets, which are among the most critical and costly components in the imaging equipment. Low-frequency MRI devices often use permanent magnets, offering a semi-open structure that greatly benefits patients with claustrophobia and children.
SmCo and AlNiCo magnets are commonly employed in low-frequency MRI equipment due to their superior properties. SmCo magnets, known for their low temperature coefficient, are particularly suitable for MRI devices requiring higher imaging precision.
For low-frequency MRI devices, the magnetic material shapes often used include cylindrical magnets, square magnets, and ring magnets.
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