Patent ID: 6499881
Filing Date: 2002-12-31
Classification: F16C,G11B

Abstract:
A disc drive having a bearing apparatus, the bearing apparatus comprising:a first spindle bearing member having a surface; a second spindle bearing member having a surface, the second spindle bearing member surface facing the first spindle bearing member surface; and a plurality of diamond like carbon (DLC) pads deposited on at least one of the first spindle bearing member surface or the second spindle bearing member surface, the pads minimizing contact between the first spindle bearing member surface and the second spindle bearing member surface when the second spindle bearing member surface and the first spindle bearing member surface are at rest, wherein the other of the first spindle bearing member surface or the second spindle bearing member surface has an average roughness height, and the DLC pads have a height at least as high as the other of the first spindle bearing member surface or the second member spindle bearing surface average roughness height.