Optimizing tape‐burnishing/wiping process of magnetic recording media through Taguchi method

Abstract

For the ever-increasing recording density in hard disk drives, ultra-low gliding height media are required. It is an immense challenge for the tape-burnishing/wiping process of media to reduce the asperities effectively and efficiently while no scratches occur. The purpose of this paper is to characterize and then optimize the tapeburnishing/wiping process as so to minimize the asperities without leaving any scratches on the media surface. A Taguchi experiment design method is adopted to analyze the data and acquire an optimal level combination of process parameters. The resulting optimal combination is practically implemented in tape-burnishing/wiping the several magnetic recording media, which reveals that the average pass ratio of 5 nm glide avalanche testing increases nearly doubly to a level of 96%.

Effect of ball burnishing medium on the surface characteristics of free machining brass

“…The ball burnishing process was carried out on Al-6061 under different levels of control parameters and different burnishing orientations viz. parallel and cross-burnishing orientations by N. S. M. El-Tayeb et al [5]. The results indicated that the burnishing speed of 330 rpm and burnishing force of 160 N produced best responses.…”