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How do I determine whether straight DC or pulsed-DC power is the better fit for my process?

April 26, 2017dc determine fit power process pulsed-dc straight

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How do I determine whether straight DC or pulsed-DC power is the better fit for my process?

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You’ll almost always see better film quality with pulsed DC, but straight DC is somewhat less expensive. That said, using pulsed DC lets you avoid buying another, expensive cathode. With pulsed DC, you will see improved film flatness, packing density, transmission, and a reduction of pinholes.