Target Poisoning? What's That? | SAM Sputter Targets
During the sputtering process, positive ions are continuously collected on the surface of the target. Since these positive ions are not neutralized, the negative bias of the target surface gradually decreases, and gradually the normal operation cannot be
Posté le 31/08/2018
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Vacuum Coating Method: Evaporation Coating
Although chemical vapor deposition (CVD) also uses vacuum techniques such as reduced pressure, low pressure or plasma, vacuum coating generally refers to the physical deposition of thin films, ie physical vapor deposition (PVD). There are three...
Posté le 28/08/2018
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