Patent ID: 7981263
Filing Date: 2011-07-19
Classification: C23C,H01J

Abstract:
1. A sputtering apparatus comprising: a susceptor having a substrate; and a plurality of target devices disposed forward of the substrate, wherein the target devices include first to fifth targets, wherein the first target device opposite to a center region of the substrate is fixed, and the second to fifth target devices opposite to a region between a first or second edge region and the center region of the substrate rotate, wherein the rotation angles of the second to fifth target devices increase from the center region to the edge region of the substrate, wherein the second and third target devices are opposite to the region between the first edge region and the center region of the substrate, the third target device being nearer to the first edge region than the second target device, and the fourth and fifth target devices are opposite to the region between the second edge region and the center region of the substrate, the fifth target device being nearer to the second edge region than the fourth target device.