公开(公告)号：US20080316649A1

公开(公告)日：2008-12-25

申请号：US12142611

申请日：2008-06-19

申请人： Masakazu NISHIKAWA ,  Tadashi Yasunaga ,  Yoichi Nishida

发明人： Masakazu NISHIKAWA ,  Tadashi Yasunaga ,  Yoichi Nishida

IPC分类号： G11B5/74 ,  B05D5/12

CPC分类号： G11B5/855 ,  B82Y10/00 ,  G11B5/743 ,  G11B5/865

摘要： The present invention provides a method for producing a magnetic recording medium having servo areas and data areas using a mold structure having a plurality of convex portions, the method, including: forming an imprint resist layer on a surface of a substrate for the magnetic recording medium, forming a convexo-concave resist pattern in the formed imprint resist layer by pressing the plurality of convex portions of the mold structure against the imprint resist layer, and transferring magnetism to the servo areas in the magnetic recording medium by applying a magnetic field to the servo areas via the mold structure.

摘要翻译： 本发明提供一种使用具有多个凸部的模具结构来制造具有伺服区域和数据区域的磁记录介质的方法，所述方法包括：在用于磁记录介质的基板的表面上形成压印抗蚀剂层 通过将模具结构的多个凸部按压在抗蚀剂层上，在形成的抗压印层中形成凹凸的抗蚀剂图案，并通过对磁记录介质施加磁场将磁力传递到磁记录介质的伺服区域 伺服区通过模具结构。

公开(公告)号：US20090242509A1

公开(公告)日：2009-10-01

申请号：US12409977

申请日：2009-03-24

申请人： Masakazu NISHIKAWA

发明人： Masakazu NISHIKAWA

IPC分类号： B44C1/22 ,  B29C59/00 ,  B29C33/42

CPC分类号： G11B5/855 ,  B82Y10/00 ,  B82Y40/00 ,  G03F7/0002

摘要： Provided is an imprint mold structure containing: a substrate; and a concave-convex portion formed by arranging on one surface of the substrate convex portions with reference to the surface, the imprint mold structure being used for an imprint method containing a transferring step and a curing step, wherein the imprint mold structure satisfies the following formula 1: HBR

摘要翻译： 提供了一种压印模具结构，其包含：基板; 以及凹凸部，其通过在所述基板凸部的一个表面上相对于所述表面配置，所述压印模具结构用于包含转印步骤和固化步骤的压印方法，其中所述压印模具结构满足以下 公式1：<？in-line-formula description =“In-line Formulas”end =“lead”？> HBR 其中HMS是压印模具结构的转印面上的最外表面的硬度，HBR是转印中的抗蚀刻层的硬度，HAR是固化后的耐压印刷层的硬度， HMS为1 GPa以下。

公开(公告)号：US20100246046A1

公开(公告)日：2010-09-30

申请号：US12750024

申请日：2010-03-30

申请人： Masakazu NISHIKAWA ,  Tomokazu UMEZAWA ,  Satoshi YOSHIDA ,  Takafumi NOGUCHI, I

发明人： Masakazu NISHIKAWA ,  Tomokazu UMEZAWA ,  Satoshi YOSHIDA ,  Takafumi NOGUCHI, I

IPC分类号： G11B5/02

CPC分类号： G11B5/865 ,  B82Y10/00 ,  G11B5/743 ,  G11B5/746 ,  G11B5/82 ,  G11B5/855

摘要： Applying a magnetic field that varies like a single pulse from a start magnetic field to a maximum transfer magnetic field and then to an end magnetic field to a stacked body of a magnetic transfer master carrier and a perpendicular magnetic recording medium such that the time from the start magnetic field to the end magnetic field does not exceed 100 ms. The master carrier has a transfer pattern of multiple fine elements. Each element has a planar shape formed of a plurality of rectangles, each having two sides parallel to a circumferential tangent line and two sides forming an angle of 90±5° with the circumferential tangent line, arranged continuously in a track width direction. A side of the planar shape of each element intersecting the circumferential tangent line has an effective inclination corresponding to a skew angle of the read/write head.

摘要翻译： 施加从起始磁场到最大传递磁场的单个脉冲变化的磁场，然后施加到磁转移主载体和垂直磁记录介质的堆叠体的末端磁场，使得从 开始磁场到末端磁场不超过100 ms。 主载体具有多个精细元件的转印图案。 每个元件具有由多个矩形形成的平面形状，每个矩形具有平行于圆周切线的两个侧面，并且与沿着轨道宽度方向连续布置的与圆周切线形成90±5°的角度。 与周向切线相交的每个元件的平面形状的一侧具有对应于读/写头的歪斜角的有效倾斜。