Patent ID: 6927941
Filing Date: 2005-08-09
Classification: G11B

Abstract:
1. A disk drive comprising: a head/slider having an air bearing surface for floating a slider over a rotating disk; the disk having a disk substrate, a storage medium on at least a portion of a surface of the disk, the storage medium having a storage area for recording data, the disk having a circumferential landing zone on an area of the disk other than said storage area, the circumferential landing zone being partially textured; the landing zone having a texture free zone which faces a minimum fly height area of the air bearing surface of the slider when the slider is landing and also having a circumferential bump zone adjacent to said free zone, the bump zone being formed with bumps protruding from the surface of said disk, the free zone having no bumps; and a landing position control unit for moving the slider so that the minimum fly height area of said slider is positioned over the free zone of said disk storage medium when landing said slider; wherein the bumps have a height above the surface such that the minimum fly height area of the slider does not touch the surface of the disk during landing.