Question: What is the mean free path (MFP)? How can you increase the MFP in a vacuum chamber? For metal deposition in an evaporation system, compare

What is the mean free path (MFP)? How can you increase the MFP in a vacuum chamber? For metal deposition in an evaporation system, compare the distance between target and evaporation source with the working MFP. Which one has the smaller dimension? 1 atmosphere pressure = ... mm Hg = ... torr. What are the physical dimensions of impingement

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