Abstract
A low-flying type of magnetic recording head is necessary for optimum performance in perpendicular magnetic recording (PMR), because PMR is more sensitive to spacing loss than longitudinal magnetic recording. We developed a thin-film magnetic recording head for PMR by combining a single-pole head and a low-flying slider with a flying height of 25 nm at a disk velocity of 10 m/s. In this paper, the effects of the head and medium parameters on the read/ write performance of a single-pole head with double-layered media are discussed, and the write characteristics of the single-pole head in the high-frequency region are investigated on the basis of the O/W performance and the recorded bit images observed by MFM.
