Obtain Ultra-high vacuum method by oil diffusion pump
Posted on Fri, 18 May 2018 08:24:52 +0000
Oil diffusion pump is often used in high-vacuum pumping system by taking some technical measures, you can get ultra-high vacuum and the method is: 1. choose a good performance diffusion pump oil Pump oil has a great influence on the ultimate pressure of the oil diffusion pump. Such as the use o...
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