Magnetic Tape Deformation due to Wear Debris and Its Influence on Spacing Loss

概要

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The tape deformation due to such particles as wear debris and dust in the head/tape contact region is one of the main causes of the signal quality deterioration in magnetic tape devices. Thus it is significant to make clear the tape deformation due to a particle for realizing higher recording densities. This paper investigates the tape deformation profile generated by a particle through an interferometric experiment and a simulation using a point loaded tape model. A rather good agreement between them is obtained, thereby the simulation is verified appropriate to estimate the tape deformation due to a particle. This paper also describes the relationship between the spacing loss and the particle height, considering the tape deformation profile obtained from the simulation. In addition, the influence of the particle height on the width of the tape deformed area is estimated, which can make a basis of the design of error correction code.
社団法人電子情報通信学会の論文
1998-03-25