Vertical magnetic recording medium
A perpendicular magnetic recording and perpendicular magnetic technology, applied in the direction of magnetic recording, magnetic recording layer, data recording, etc., can solve problems such as transmission noise enhancement and reduction of signal-to-noise ratio.
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[0042] Referring to FIG. 3 , the perpendicular magnetic recording medium 50 includes a perpendicular magnetic recording layer 57 formed on a substrate 51 , and a soft underlayer 53 formed between the substrate 51 and the perpendicular magnetic recording layer 57 . Furthermore, according to the first embodiment of the present invention, the perpendicular magnetic recording medium 50 may further include a vertical alignment lower layer 55 between the soft lower layer 53 and the perpendicular magnetic recording layer 57 . A protective layer 59 for protecting the perpendicular magnetic recording layer 57 from the outside may be formed on the perpendicular magnetic recording layer 57 . In addition, it is possible to further form on the protective layer 59 for reducing figure 2 The head 30 wears a lubricating layer (not shown) and passes through with the figure 2 The magnetic head 30 is connected to produce a protective layer 59 .
[0043] Information is recorded onto the perpen...
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