The heat-isolating metal film was cut in strips to avoid vortex excitedby the primary field of TEM, and thus the influence of Dewar on measurements waseliminated.

　
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  • 采用具有迭層、獨立單元的杜瓦絕熱技術(shù),避免絕熱層金屬薄膜在瞬變電磁一次場(chǎng)激發(fā)下產(chǎn)生渦流,消除杜瓦對測量的影響。
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