Patent ID: 9175379
Filing Date: 2015-11-03
Classification: C23C

Abstract:
1. A sputter apparatus to generate plasma by applying a predetermined voltage to a target holder and to thereby form a film by sputtering a target held by the target holder comprising: a process chamber; a substrate holder provided inside the process chamber, having a substrate holding surface for holding a substrate, and configured to be capable of rotating the substrate holding surface about a predetermined rotation axis; rotational drive means for controlling rotation of the substrate holder; substrate rotation angle detection means for detecting a rotation angle of the substrate holder; a target holder provided inside the process chamber and configured to be capable of holding the target, the target holder provided so that the rotation axis is located at a position different from a perpendicular line passing through the center point of the target; a shutter configured to switch between a first state where the substrate holding surface is exposed to the target holder and a second state where the substrate holding surface is shut off from the target holder; and control means for controlling the rotational drive means and the shutter, the control means being provided with a storage unit, wherein, provided that T seconds denotes a deposition time required to form a film thickness to be obtained in a targeted deposition, the sputter apparatus is configured to be capable of performing X (X is an integer of 2 or larger) divisional depositions to complete the targeted deposition, and wherein the storage unit of the control means stores a control program, the control program executing the steps of: