X-ray diffraction indicates that the prepared films are AlN films. The field emission characteristics of the AlN films were measured in an ultra-high vacuum system.
在超高真空系统中测量了不同膜厚样品的场发射特性，发现阈值电场随着厚度的增加有增大的趋势。
It introduces a space environment simulator control system used to realize ultra low temperature and high vacuum.
介绍一种用于实现超低温、高真空的太空环境模拟器控制系统。
In this paper, mainly introduce ultra high vacuum gauge intercomparison system.
本文主要介绍了全金属超高真空规管比对系统。
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