What is PVD?
PVD (physical vapor deposition) technology is mainly divided into three categories, vacuum evaporation coating, vacuum sputtering coating and vacuum ion plating. Compared with the three classification...
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What is Vacuum quenching?
Vacuum quenching refers to the smooth quenching of parts. The quenching and cooling of parts is carried out in a vacuum furnace. The quenching medium is mainly gas (such as inert gas), water and vacuu...