Integrated niobium DC SQUID gradiometers for non-destructive evaluation and biomagnetism

被引：0
|
作者：
Pegrum, CM [1 ]
Walker, ME [1 ]
Lang, G [1 ]
Shahani, U [1 ]
Pedersen, JR [1 ]
Nakane, H [1 ]
机构：
[1] MURORAN INST TECHNOL,DEPT ELECT & ELECT ENGN,MURORAN,HOKKAIDO 050,JAPAN
来源：
JOURNAL OF LOW TEMPERATURE PHYSICS | 1997年 / 106卷 / 3-4期
关键词：
74.50; 74.76; 87.40; 81.70;
D O I：
10.1007/BF02399658
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We describe the design and fabrication of thin-film Nb gradiometers with integrated DC SQUIDs for use in non-destructive evaluation (NDE) and biomagnetism. Issues of sensitivity, imbalance and field response are considered. Results are presented from eddy-current NDE in an unshielded environment of aluminium plates with sub-surface flaws, and from biomagnetic measurements of spinal and peripheral nerve evoked fields.
引用
收藏
页码：493 / 502
页数：10
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