Patent ID: 7502202
Filing Date: 2009-03-10
Classification: G11B

Abstract:
1. A head slider for a magnetic disk lifted above the magnetic disk by airflow generated by rotation of the magnetic disk, said head slider comprising: a disk-facing surface having an air bearing surface raised from said disk-facing surface and a portion recessed within said disk-facing surface and located behind said air bearing surface when viewed in a direction of the airflow, an airflow guide part formed in a flow path through which the airflow passes, the airflow guide part located in said portion recessed within said disk-facing surface and guiding the airflow along the disk-facing surface of said head slider toward sides of the disk-facing surface, wherein the airflow guide part includes a first guide groove formed between both sides of the disk-facing surface, and wherein roughness of a bottom surface of the airflow guide part is greater than roughness of a surface of the flow path.