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    • 37. 发明申请
    • MAGNETIC RECORDING MEDIUM, AND METHOD OF MANUFACTURE THEREOF
    • 磁记录介质及其制造方法
    • US20080318087A1
    • 2008-12-25
    • US12139038
    • 2008-06-13
    • Yasushi HATTORIKoichi Kawamura
    • Yasushi HATTORIKoichi Kawamura
    • G11B5/62B05D5/12
    • G11B5/855
    • Provided is a magnetic recording medium which causes a reduction of transition noises and has a high productivity, and a method of manufacture thereof. The method of manufacturing a magnetic recording medium, comprising: fixing a polymerization initiator on a support by microcontact printing, forming a grafted polymer pattern by bringing a compound having a polymerizable unsaturated bond into contact with the polymerization initiator fixed on the support followed by graft polymerization of the compound, and forming a magnetic region by coating, onto the pattern, an alloy-particle-containing liquid which contains alloy particles capable of forming a CuAu pattern or Cu3Au pattern ferromagnetic ordered alloy, and further subjecting the resultant to annealing processing, thereby forming a plurality of magnetic regions physically independent of each other.
    • 提供了导致过渡噪声的降低并且具有高生产率的磁记录介质及其制造方法。 制造磁记录介质的方法包括:通过微接触印刷将聚合引发剂固定在载体上,通过使具有聚合性不饱和键的化合物与固定在载体上的聚合引发剂接触接枝聚合形成接枝聚合物图案 的化合物,并通过在图案上涂布含有能够形成CuAu图案或Cu 3 Au图案铁磁性有序合金的合金粒子的含合金颗粒的液体形成磁性区域,并进一步对所得物进行退火处理 形成物理上彼此独立的多个磁性区域。