Patent ID: 6022462
Filing Date: 2000-02-08
Classification: C23C,G11B

Abstract:
A DC sputtering system for forming an optical recording medium comprising an optical disk substrate having at least one dielectric film disposed thereon, said DC sputtering system comprising:a carrier having a cylindrical mounting aperture;a cylindrical insulator member having an upstanding peripheral lip at one end thereof telescopically received in said cylindrical mounting aperture so that said peripheral lip abuts a peripheral surface of the carrier adjacent the cylindrical mounting aperture;a cylindrical bearing housing telescopically received in the cylindrical insulator member;a substantially planar pallet member having a disk receiving surface and a central cylindrical shaft projecting rearwardly from the pallet member opposite the disk receiving surface, said pallet member being telescopically received in said bearing housing and rotatably mounted in said bearing housing with a plurality of bearings disposed between said shaft and said bearing housing.