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    • 4. 发明申请
    • Contact printing of magnetic media with mechanically reinforced and/or gas venting stamper
    • 用机械加强和/或排气压模接触磁性介质的印刷
    • US20070263308A1
    • 2007-11-15
    • US11797254
    • 2007-05-02
    • Neil DeemanJoseph LeighKoichi WagoLi-Ping Wang
    • Neil DeemanJoseph LeighKoichi WagoLi-Ping Wang
    • G11B5/86
    • G11B5/865B82Y10/00G11B5/743G11B5/82G11B5/855
    • An apparatus for performing contact printing of a magnetic transition pattern in a magnetic recording medium, comprising: (a) a stamper/imprinter including a body formed of at least one magnetic material having a high saturation magnetization Bsat and a high permeability, including an imprinting surface adapted to be placed in intimate contact with a surface of a magnetic layer, the imprinting surface comprised of a plurality of patterned areas which separate a plurality of areas which are not patterned, each of the areas which is not patterned being provided with at least one of: (i) mechanical reinforcing means for preventing deformation of the body when the imprinting surface is urged into contact with the surface of the magnetic layer; and (ii) gas venting means for facilitating removal of air or other gas from between the imprinting surface and the surface of the magnetic layer when the former is urged into contact with the latter.
    • 一种用于在磁记录介质中执行磁转移图案的接触印刷的设备,包括:(a)压模/印刷机,其包括由至少一种具有高饱和磁化强度的磁性材料形成的主体, 以及高磁导率,包括适于与磁性层的表面紧密接触的压印表面,所述压印表面由多个图案区域组成,所述多个图案区域分隔多个未被图案化的区域,每个区域是 未图案化地具有以下中的至少一个:(i)机械加强装置,用于防止当压印表面被迫与磁性层的表面接触时体的变形; 和(ii)气体排出装置,用于当前者被迫与其接触时,便于从压印表面和磁性层的表面之间移除空气或其它气体。
    • 5. 发明授权
    • Wettability improvement of spun-on resist and thermoplastic materials
    • 纺丝抗蚀剂和热塑性材料的润湿性提高
    • US06780233B1
    • 2004-08-24
    • US10140980
    • 2002-05-09
    • Joseph LeighJianwei Liu
    • Joseph LeighJianwei Liu
    • C09D400
    • C09D4/00
    • A method of manufacturing patterned magnetic or magneto-optical (MO) recording media, comprising steps of: (a) providing a workpiece including a substrate for a magnetic or magneto-optical (MO) recording medium, the workpiece including at least one major surface of hydrophilic character; (b) providing a liquid composition comprising a resist or thermoplastic polymer material, adapted for substantially complete wetting of the at least one major surface of the workpiece; (c) forming a layer of the resist or thermoplastic polymer material on the at least one major surface of the workpiece, comprising applying a thin layer of the liquid composition to the at least one major surface of the workpiece; and (d) patterning the at least one major surface of the workpiece utilizing the layer of the resist or thermoplastic polymer material.
    • 一种制造图案化磁或磁光(MO)记录介质的方法,包括以下步骤:(a)提供包括用于磁或磁光(MO)记录介质的基底的工件,所述工件包括至少一个主表面 亲水性;(b)提供包含抗蚀剂或热塑性聚合物材料的液体组合物,其适于基本上完全润湿所述工件的至少一个主表面;(c)在所述抗蚀剂或热塑性聚合物材料上形成一层抗蚀剂或热塑性聚合物材料 所述工件的至少一个主表面包括将所述液体组合物的薄层施加到所述工件的所述至少一个主表面; 和(d)利用抗蚀剂层或热塑性聚合物材料层图案化工件的至少一个主表面。
    • 6. 发明授权
    • Defect-free magnetic stampers/imprinters for contact patterning of magnetic media
    • 用于磁性介质接触图形化的无缺陷磁性冲压机/冲孔机
    • US06761618B1
    • 2004-07-13
    • US10386600
    • 2003-03-13
    • Joseph LeighNobuo Kurataka
    • Joseph LeighNobuo Kurataka
    • B24B4900
    • G11B11/10582B24B37/30B82Y10/00G11B5/59688G11B5/743G11B5/855G11B5/865
    • A method of manufacturing a magnetic stamper/imprinter for use in patterning of magnetic recording media by means of a contact printing process, comprising sequential steps of: (a) providing a stamper/imprinter comprising a body of a magnetic material having an imprinting surface including a topographical pattern corresponding to a pattern to be formed in the surface of a magnetic or magneto-optical (MO) recording medium and comprising a patterned plurality of spaced-apart recesses with a plurality of non-recessed areas therebetween, said imprinting surface including a plurality of defects comprising surface blemishes and stains, magnetic particles, and non-magnetic particles; (b) initially removing the surface blemishes, stains, and magnetic particles; and (c) then removing or rendering the non-magnetic particles benign to the contact printing process.
    • 一种用于通过接触印刷方法制造用于磁记录介质图案化的磁压模/打印机的方法,包括以下顺序步骤:(a)提供压模/打印机,其包括具有压印表面的磁性材料体,包括: 与形成在磁或磁光(MO)记录介质的表面中的图案相对应的图案图案,并且包括在其间具有多个非凹陷区域的图案化的多个间隔开的凹槽,所述压印表面包括 多个缺陷包括表面瑕疵和污渍,磁性颗粒和非磁性颗粒;(b)最初除去表面瑕疵,污渍和磁性颗粒; 和(c)然后将非磁性颗粒除去或呈现良好的接触印刷过程。
    • 7. 发明授权
    • Photoresist recirculation and viscosity control for dip coating applications
    • 用于浸涂应用的光阻再循环和粘度控制
    • US06740163B1
    • 2004-05-25
    • US10021501
    • 2001-12-19
    • Donald Everett CurtissJoseph LeighFrank Quan
    • Donald Everett CurtissJoseph LeighFrank Quan
    • B05C300
    • H01L21/6715B05C3/04B05C3/09G03F7/16
    • A method of performing dip coating of a layer of a resist material on a surface of a substrate, comprising steps of: (a) providing a dip coating vessel having an interior space containing a dip coating liquid comprising a solution of the resist material in a solvent, the dip coating vessel being open at the top thereof; (b) providing a substrate having a surface, immersing the substrate in the dip coating liquid in the vessel via the open top, and withdrawing the substrate from the vessel via the open top thereof, thereby forming a layer of resist material on the surface; and (c) monitoring and maintaining the viscosity of the dip coating liquid supplied to the dip coating vessel at a predetermined value. Also disclosed is an apparatus for performing the method.
    • 一种在衬底的表面上进行抗蚀剂材料层的浸涂的方法,包括以下步骤:(a)提供一种浸渍涂布容器,该浸渍涂布容器具有内部空间,该内部空间含有包含抗蚀剂材料溶液的浸涂液 溶剂,浸渍涂层容器在其顶部开口;(b)提供具有表面的基底,通过开口顶部将基底浸入容器中的浸涂液中,并通过开口顶部将容器从容器中取出 从而在表面上形成抗蚀材料层; 和(c)以预定值监测和维持供应到浸涂容器的浸涂液的粘度。还公开了一种用于执行该方法的装置。
    • 10. 发明授权
    • Contact printing of longitudinal magnetic media with perpendicularly applied magnetic field
    • 用垂直磁场接触纵向磁性介质的印刷
    • US06979524B2
    • 2005-12-27
    • US10418124
    • 2003-04-18
    • Koichi WagoShih-Fu LeeLi-Ping WangJoseph Leigh
    • Koichi WagoShih-Fu LeeLi-Ping WangJoseph Leigh
    • G11B5/00G11B5/74G11B5/855G11B5/86G11B5/03
    • B82Y10/00G11B5/74G11B5/743G11B5/855G11B5/865G11B2005/001Y10S428/90Y10T428/24248
    • A method of forming a magnetic transition pattern in a longitudinal magnetic recording medium, comprising steps of: (a) providing a magnetic recording medium including a layer of a magnetic material having a surface comprised of a plurality of longitudinally extending magnetic domains; (b) contacting the surface of the layer of magnetic material with a topographically patterned imprinting surface of a stamper/imprinter formed of at least one high saturation magnetization, high permeability magnetic material; and (c) applying a unidirectional magnetic field perpendicular to the imprinting surface of the stamper/imprinter, the perpendicular magnetic field creating a longitudinal magnetic field component of sufficient strength to effect selective alignment of the magnetic domains of those portions of the layer of magnetic material which face the depressions of the imprinting surface while retaining the alignment of the magnetic domains of those portions of the layer of magnetic material which face the projections of the imprinting surface, the combination of portions forming a magnetic transition pattern replicating the topographical pattern of the imprinting surface.
    • 一种在纵向磁记录介质中形成磁转移图案的方法,包括以下步骤:(a)提供包括具有由多个纵向延伸磁畴构成的表面的磁性材料层的磁记录介质; (b)使磁性材料层的表面与由至少一种高饱和磁化强度高磁导率磁性材料形成的压模/冲击器的地形图案化压印表面接触; 并且(c)施加垂直于压模/冲压机的压印表面的单向磁场,垂直磁场产生足够强度的纵向磁场分量,以实现磁性材料层那些部分的磁畴的选择性对准 其面对压印表面的凹陷,同时保持面向压印表面的突起的磁性材料层的这些部分的磁畴的对准,形成复制印记的形貌图案的磁过渡图案的部分的组合 表面。