A 4.2K superconducting receiver coil and SQUID amplifier for low field MRI

被引：0
|
作者：
Seton, HC [1 ]
Hutchison, JMS [1 ]
Bussell, DM [1 ]
机构：
[1] Univ Aberdeen, Dept Biomed Phys & Bioengn, Aberdeen AB25 2ZD, Scotland
来源：
APPLIED SUPERCONDUCTIVITY 1997, VOLS 1 AND 2: VOL 1: SMALL SCALE AND ELECTRONIC APPLICATIONS; VOL 2: LARGE SCALE AND POWER APPLICATIONS | 1997年 / 158期
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中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We describe a 4.2 K RF coil and nux locked, de SQUID amplifier used to improve the SNR of MRI systems operating at 0.01 T (425 kHz). Images of a non-conducting test object show that the SNR is increased by a factor of 4 over the value measured with an equivalent room temperature coil.
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页码：659 / 662
页数：4
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