Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yoshihiro Shiroishi0
Date of Patent
March 4, 2008
0Patent Application Number
116999980
Date Filed
January 31, 2007
0Patent Primary Examiner
Patent abstract
A magnetic recording and reading device includes a magnetic recording medium having a substrate and at least one magnetic recording layer formed above the substrate, a magnetic head enabling a data transfer rate of more than 50 MB/s and a recording density of more than 5 Gb/in2 on the magnetic recording medium, and a R/W-IC. The magnetic head includes a recording head and a reading head. The at least one magnetic recording layer contains (1) at least one metal element selected from a first group consisting of Co, Fe and Ni as a primary component, and (2) at least two elements selected from a second group consisting of Cr, Mo, W, V, Nb, Ta, Ti, Zr, Hf, Pd, Pt, Rh, Ir and Si.
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