本文先介绍场离子发射的原理，然后介绍FID的结构及工作原理。

This paper introduces the principles of field ion emission at first, and then explains the construction and work principles of FID.

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场致发射负离子及其飞行时间谱的获得导致场致发射负离子原子探针的发明。

The acquisition of field emission negative ion and its time-of-flight Spectra (TOPS) brings up to negative ion atom probe invention.

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利用内建场增强离子发射模型和可动离子中性化模型对实验结果进行了分析与计算，理论与实验吻合较好。

Experimental results were analyzed by means of built-in field enhanced ion emission model and ion neutralized models, which coincides well with the experiment results.

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