Quasi-Static Read/Write Tester with Sliding Reciprocation for Perpendicular Magnetic Recording(<Special Issue>Recent Progress of High-Density Disk Storage)

概要

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To develop ultra high density magnetic recording systems, a quasi-static system with a reciprocating medium motion against a stand still head was developed for a read/write tester. Double-layered perpendicular recording media and merged GMR heads assembled on a conventional head-gimbal assembly (HGA) were applied to evaluate the read/write performances. A smooth sliding contact motion was achieved, however, the head-to-medium spacing was varied depending on the head motion direction. The spacing in the reverse running direction of the conventional head slider seems to be smaller than that of the flying height in a high-speed spin stand. A merged ring head was suitable for perpendicular magnetic recording in the case of the reverse direction sliding.
社団法人電子情報通信学会の論文
2003-09-01