Importance

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Abstract

There is provided a sputtering apparatus which is capable of forming, with good uniformity of film thickness distribution, an insulator film having further improved crystallinity. Inside a vacuum chamber in which is provided an insulator target, there is disposed a stage for holding a substrate W to be processed so as to face the insulator target. The sputtering apparatus has: a driving means for driving to rotate the stage; a sputtering power source E1 for applying HF power to the insulator target; and a gas introduction means for introducing a rage gas into the vacuum chamber. The sputtering apparatus is characterized in that a distance d3 between the substrate and the insulator target is set to a range between 40 mm-150 mm.

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First Claim