Patent ID: 8320082
Filing Date: 2012-11-27
Classification: G11B

Abstract:
1. A head comprising: a slider comprising a supporting surface opposed to a surface of a rotatable recording medium, and a head section on the slider, configured to perform recording of data on the recording medium and reproduction of data from the recording medium, wherein the supporting surface of the slider comprises a leading step in an inflow side of an airflow, a leading pad on the leading step, a negative-pressure cavity in a downstream side of the leading pad in relation to the airflow, a trailing step in an outflow end side of the airflow and provided with the head section, a center rail extending from the leading step to the trailing step, a guide groove in the center rail, configured to guide the airflow to the trailing step, and an intake groove formed in the leading pad, extending in a direction transverse to the airflow, communicating with the guide groove, and comprising two end parts in its longitudinal direction, the two end parts extending in a direction of the airflow and forming openings open to the inflow side of the leading pad, and the leading pad comprises first ribs extending along the end parts of the intake groove to the openings, and the first ribs and the end parts of the intake groove have a length of about 2% to about 15% of the whole length of the slider.