Title

STRUCTURAL CHARACTERIZATION ON MAGNETIC DISK RECORDING TECHNOLOGY

STRUCTURAL CHARACTERIZATION ON MAGNETIC DISK RECORDING TECHNOLOGY

Authorship

MARCONDES, PAULO VICTOR P.; TALKE, FRANK E.

MARCONDES, PAULO VICTOR P.

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TALKE, FRANK E.

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DOI

10.5151/2594-5327-C00063-933-950

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Abstract

In the last decades, magnetic recording has became the predominant technology for the storage of the digital information in modern computer systems. Magnetic recording is accomplished by the relative motion between a magnetic medium and magnetic recording head, the later consisting of a small eletromagnet with a gap facing the magnetic medium. It is important to note that the head/disk interface would not survive without the presence of a lubricant layer on the disk. An equally important factor is to stablish a reliable head/disk interface in the carbon film on the disk surface. In the present work we will analyse the sputtered carbon thin film overcoats (hydrogenated and nitrogeneted). For the analysis we will use analytical Raman spectroscopy, Atomic force microscope technique (AFM) and X-Ray diffraction and try to correlate these results with the tribological behavior during contact-stop and constant speed drag testing (companies already stabilized wear tests).

In the last decades, magnetic recording has became the predominant technology for the storage of the digital information in modern computer systems. Magnetic recording is accomplished by the relative motion between a magnetic medium and magnetic recording head, the later consisting of a small eletromagnet with a gap facing the magnetic medium. It is important to note that the head/disk interface would not survive without the presence of a lubricant layer on the disk. An equally important factor is to stablish a reliable head/disk interface in the carbon film on the disk surface. In the present work we will analyse the sputtered carbon thin film overcoats (hydrogenated and nitrogeneted). For the analysis we will use analytical Raman spectroscopy, Atomic force microscope technique (AFM) and X-Ray diffraction and try to correlate these results with the tribological behavior during contact-stop and constant speed drag testing (companies already stabilized wear tests).

Keywords

magnetic recording, structural characterization, carbon overcoats

magnetic recording, structural characterization, carbon overcoats