MAGNETIC TRANSFER MASTER CARRIER, MAGNETIC TRANSFER METHOD, AND MAGNETIC RECORDING MEDIUM
    1.
    发明申请
    MAGNETIC TRANSFER MASTER CARRIER, MAGNETIC TRANSFER METHOD, AND MAGNETIC RECORDING MEDIUM 失效
    磁性传输主载波,磁传输方法和磁记录介质

    公开(公告)号:US20090251814A1

    公开(公告)日:2009-10-08

    申请号:US12419652

    申请日:2009-04-07

    IPC分类号: G11B5/86

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

    摘要: The present invention provides a magnetic transfer master carrier which forms a magnetic pattern corresponding to a pattern of information to be recorded on a perpendicular magnetic recording medium when a magnetic field is applied to the perpendicular magnetic recording medium, with the magnetic master carrier and the perpendicular magnetic recording medium closely attached to each other, the carrier including: a base material having convex portions on its surface, the convex portions being provided corresponding to the pattern of information; a magnetic layer deposited on at least top surfaces of the convex portions, and having perpendicular magnetic anisotropy; and a soft magnetic layer deposited on the surface of the magnetic layer.

    摘要翻译: 本发明提供了一种磁传递主载体,当磁性载体和垂直磁性载体和垂直磁记录介质施加磁场时,形成对应于待记录在垂直磁记录介质上的信息图形的磁图案 所述载体包括:在其表面上具有凸起部分的基材,所述凸部相应于所述信息图案设置; 沉积在所述凸部的至少顶表面上并具有垂直磁各向异性的磁性层; 以及沉积在磁性层的表面上的软磁性层。

    Magnetic transfer master carrier, magnetic transfer method, and magnetic recording medium
    2.
    发明授权
    Magnetic transfer master carrier, magnetic transfer method, and magnetic recording medium 失效
    磁转移主载体,磁转移法和磁记录介质

    公开(公告)号:US07982984B2

    公开(公告)日:2011-07-19

    申请号:US12419652

    申请日:2009-04-07

    IPC分类号: G11B5/86

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

    摘要: The present invention provides a magnetic transfer master carrier which forms a magnetic pattern corresponding to a pattern of information to be recorded on a perpendicular magnetic recording medium when a magnetic field is applied to the perpendicular magnetic recording medium, with the magnetic master carrier and the perpendicular magnetic recording medium closely attached to each other, the carrier including: a base material having convex portions on its surface, the convex portions being provided corresponding to the pattern of information; a magnetic layer deposited on at least top surfaces of the convex portions, and having perpendicular magnetic anisotropy; and a soft magnetic layer deposited on the surface of the magnetic layer.

    摘要翻译: 本发明提供了一种磁传递主载体,当磁性载体和垂直磁性载体和垂直磁记录介质施加磁场时,形成对应于待记录在垂直磁记录介质上的信息图形的磁图案 所述载体包括:在其表面上具有凸起部分的基材,所述凸部相应于所述信息图案设置; 沉积在所述凸部的至少顶表面上并具有垂直磁各向异性的磁性层; 以及沉积在磁性层的表面上的软磁性层。

    MASTER CARRIER FOR MAGNETIC TRANSFER AND MAGNETIC RECORDING MEDIUM MANUFACTURED USING THE SAME
    4.
    发明申请
    MASTER CARRIER FOR MAGNETIC TRANSFER AND MAGNETIC RECORDING MEDIUM MANUFACTURED USING THE SAME 审中-公开
    使用其制造的磁性传输和磁记录介质的主载体

    公开(公告)号:US20090128958A1

    公开(公告)日:2009-05-21

    申请号:US12275284

    申请日:2008-11-21

    IPC分类号: G11B5/82

    CPC分类号: G11B5/865 G11B5/855

    摘要: A magnetic transfer master substrate for transferring magnetic information thereof to a perpendicular recording magnetic recording medium in contact therewith under application of a magnetic field comprises a transfer surface area with a magnetic layer formed thereon in a pattern according to the magnetic information to be transferred to the perpendicular magnetic recording medium and a non-transfer surface area laying below said transfer surface area, wherein the magnetic layer has a perpendicular magnetic anisotropy of an anisotropy energy higher than 4×106 erg/cm3.

    摘要翻译: 用于将磁信息传送到与施加磁场接触的垂直记录磁记录介质的磁转移母板基板包括根据要传送到 垂直磁记录介质和放置在所述转印表面区域之下的非转印表面区域,其中所述磁性层具有高于4×10 6 erg / cm 3的各向异性能的垂直磁各向异性。

    MAGNETIC TRANSFER MASTER CARRIER AND MAGNETIC TRANSFER METHOD USING THE SAME
    6.
    发明申请
    MAGNETIC TRANSFER MASTER CARRIER AND MAGNETIC TRANSFER METHOD USING THE SAME 审中-公开
    磁性传输主载波和使用该传输的磁传输方法

    公开(公告)号:US20100079894A1

    公开(公告)日:2010-04-01

    申请号:US12570342

    申请日:2009-09-30

    IPC分类号: G11B5/02 G11B5/17

    摘要: To provide a magnetic transfer master carrier to be placed on a perpendicular magnetic recording medium so as to transfer magnetic information to the medium by application of a magnetic field, the magnetic transfer master carrier including: transfer portions that include a magnetic layer and correspond to the magnetic information; and non-transfer portions which are lower in height than the transfer portions that include the magnetic layer, and each of which has a concave shape, wherein the magnetic layer has perpendicular magnetic anisotropy, and the magnetic anisotropy energy of the magnetic layer is less than 4×106 erg/cm3.

    摘要翻译: 为了提供放置在垂直磁记录介质上以便通过施加磁场将磁信息传送到介质的磁转移主载体,磁转移主载体包括:传输部分,包括磁性层并对应于 磁信息; 以及低于包含磁性层的转印部分的高度的非转印部分,并且每个都具有凹形形状,其中磁性层具有垂直的磁各向异性,并且磁性层的磁各向异性能量小于 4×106 erg / cm3。

    Master information carrier for magnetic transfer
    7.
    发明授权
    Master information carrier for magnetic transfer 失效
    磁传输主信息载体

    公开(公告)号:US06887593B2

    公开(公告)日:2005-05-03

    申请号:US10661477

    申请日:2003-09-15

    IPC分类号: G11B5/596 G11B5/86 B32B15/04

    摘要: A master information carrier for magnetic transfer includes a substrate having an irregularity pattern representing information to be transferred to a slave medium and a magnetic layer formed on the irregularity pattern on the substrate. The depth d of the recessed portions of the irregularity pattern and the thickness t of the magnetic layer formed on the recessed portions satisfy formula −0.004≦(t−d)/d≦0.1. At the same time, the magnetic layer formed on the protruding portion of the irregularity pattern and the magnetic layer formed on the recessed portions of the irregularity pattern are connected with each other.

    摘要翻译: 用于磁转移的主信息载体包括具有表示要传送到从属介质的信息的不规则图案的基板和形成在基板上的不规则图案上的磁性层。 不规则图案的凹部的深度d和形成在凹部上的磁性层的厚度t满足公式-0.004 <=(t-d)/ d <= 0.1。 同时,形成在凹凸图案的突出部分上的磁性层和形成在凹凸图案的凹陷部分上的磁性层彼此连接。

    MAGNETIC TRANSFER MASTER CARRIER, MAGNETIC TRANSFER METHOD USING THE SAME, AND MAGNETIC RECORDING MEDIUM
    8.
    发明申请
    MAGNETIC TRANSFER MASTER CARRIER, MAGNETIC TRANSFER METHOD USING THE SAME, AND MAGNETIC RECORDING MEDIUM 审中-公开
    磁性传输主载波,使用其的磁性传输方法和磁记录介质

    公开(公告)号:US20100079886A1

    公开(公告)日:2010-04-01

    申请号:US12570587

    申请日:2009-09-30

    IPC分类号: G11B5/86 G11B5/82

    摘要: A magnetic transfer master carrier to be placed on a perpendicular magnetic recording medium, including: a concavo-convex pattern corresponding to magnetic information to be transferred to the medium by application of a magnetic field, wherein a length (La) of a convex portion in the concavo-convex pattern and a length (Sa) of a space between the convex portion and another convex portion adjacent to the convex portion satisfy 1.3≦(Sa/La)≦1.9, and wherein a cycle length (La+Sa) is in the range of 50 nm to 145 nm, where the length (La) is the width of the convex portion with respect to a circumferential direction measured at a height equivalent to 50% of the height of the convex portion, and the length (Sa) is the width of the space with respect to the circumferential direction measured at the height equivalent to 50% of the height of the convex portion.

    摘要翻译: 一种放置在垂直磁记录介质上的磁转移主载体,包括:与通过施加磁场传递到介质的磁信息对应的凹凸图形,其中凸部的长度(La) 凹凸图案和与凸部相邻的凸部与另一凸部之间的间隔的长度(Sa)满足1.3&nlE;(Sa / La)&nlE; 1.9,并且其中循环长度(La + Sa) 在50nm至145nm的范围内,其中长度(La)是相对于在相当于凸部的高度的50%的高度处测量的相对于圆周方向的凸部的宽度,以及长度 Sa)是在相当于凸部的高度的50%的高度处测量的相对于圆周方向的空间的宽度。

    APPARATUS AND METHOD FOR MANUFACTURING MAGNETIC RECORDING MEDIUM
    9.
    发明申请
    APPARATUS AND METHOD FOR MANUFACTURING MAGNETIC RECORDING MEDIUM 审中-公开
    用于制造磁记录介质的装置和方法

    公开(公告)号:US20090039560A1

    公开(公告)日:2009-02-12

    申请号:US12185917

    申请日:2008-08-05

    IPC分类号: H05B6/00

    摘要: The present invention provides an apparatus for manufacturing a magnetic recording medium including, a mold structure formed of a disc-shaped substrate having on a surface thereof a concavo-convex pattern having convex portions which correspond to a servo area and a data area of a magnetic recording medium; and an imprinting and magnetic field applying unit which transfers a concavo-convex pattern on the basis of the concavo-convex pattern of the mold structure into an imprint resist layer that is made of an imprint resist composition and that is formed on a magnetic layer of a magnetic recording medium base by pressing the mold structure against the imprint resist layer, and which transfers magnetism to the servo area by application of a magnetic field via the mold structure.

    摘要翻译: 本发明提供一种磁记录介质的制造装置,其特征在于,包括:由盘状基板形成的模具结构体,所述模具结构的表面具有凹凸图案,所述凹凸图案具有对应于伺服区域的凸部和磁性数据区域 记录介质; 以及压印和磁场施加单元,其将基于模具结构的凹凸图案的凹凸图案转印成由抗蚀刻剂组合物制成的压印抗蚀剂层,并且形成在压电抗蚀剂组合物的磁性层上 通过将模具结构压靠在抗压印层上而将磁记录介质基体,并且通过经由模具结构施加磁场将磁力传递到伺服区域。

    METHOD FOR PRODUCING MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING MEDIUM PRODUCED BY THE PRODUCTION METHOD, AND MOLD STRUCTURE FOR USE IN THE PRODUCTION METHOD
    10.
    发明申请
    METHOD FOR PRODUCING MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING MEDIUM PRODUCED BY THE PRODUCTION METHOD, AND MOLD STRUCTURE FOR USE IN THE PRODUCTION METHOD 审中-公开
    用于生产磁记录介质的方法,由生产方法生产的磁记录介质和用于生产方法的模具结构

    公开(公告)号:US20090002886A1

    公开(公告)日:2009-01-01

    申请号:US12147553

    申请日:2008-06-27

    IPC分类号: G11B5/74 B29C33/32

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

    摘要: The present invention provides a method for producing a magnetic recording medium having servo areas and data areas using a mold structure. The method includes at least forming an imprint resist layer on a substrate surface of a magnetic recording medium, forming a convexo-concave pattern in the imprint resist layer by pressing 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 via the mold structure, wherein the imprint resist layer is formed only on areas of the substrate surface corresponding to the data areas in the magnetic recording medium, and the magnetic field is applied to areas of the substrate surface corresponding to the servo areas, with the areas of the substrate surface corresponding to the servo areas being in contact with convex portions of the mold structure.

    摘要翻译: 本发明提供一种使用模具结构制造具有伺服区域和数据区域的磁记录介质的方法。 该方法至少在磁记录介质的基板表面上形成压印抗蚀剂层,通过将模具结构的凸部压靠在抗蚀剂层上,在压印抗蚀剂层中形成凹凸图案,并将磁性转移到 通过经由模具结构施加磁场而在磁记录介质中的伺服区域,其中,仅在与磁记录介质中的数据区域对应的基板表面的区域上形成印记抗蚀剂层,并且将磁场施加到区域 对应于伺服区域的基板表面,其中基板表面的对应于伺服区域的区域与模具结构的凸部接触。