METHOD OF PRODUCING A PERPENDICULAR MAGNETIC RECORDING MEDIUM AND PERPENDICULAR MAGNETIC RECORDING MEDIUM
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United States of America Patent
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Sep 8, 2013
filing date -
Mar 29, 2008
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Abandoned
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Abstract
A perpendicular magnetic recording medium, including a suitable lubricating layer with sufficient durability, moisture resistance, and contamination resistance and also maintaining an R/W characteristic. The perpendicular magnetic recording medium 100 includes a magnetic recording layer 122, a medium protective layer 126, and a lubricating layer 128 in this order on a base 110. The medium is made using a CF bond density measuring step of measuring a CF bond density of a lubricant; and a lubricating layer forming step of forming a lubricating layer with the lubricant when the measured CF bond density is 2.0×1022 to 2.7×1022 atoms/cm3.
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