High-Pitch-Angle Slider Design Utilizing Top Surface Air Flow
Original Publication Date: 1989-Apr-01
Included in the Prior Art Database: 2005-Jan-27
In rigid disk magnetic recording a hydrodynamic air bearing is used to suspend the magnetic head above the disk medium. It is generally known in the art that the flying characteristics of a slider can be altered by variations in the geometry of its air bearing surface. An alternative method for varying the slider's flying characteristics is to alter the design of the slider body to utilize macroscopic air flow. Changing the air flow around the slider can lead to a redistribution of forces, causing the slider to fly differently. A specific embodiment of this slider is shown in Fig. 1. The top surface of the slider has been modified by the addition of a block at the trailing end (TE) of the slider which protrudes into the air flow. The air forces on the block alter the slider's flying characteristics. In Fig.