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    • 4. 发明申请
    • FABRICATION OF TRAPEZOIDAL POLE FOR MAGNETIC RECORDING
    • 用于磁记录的铁皮石的制造
    • US20090279206A1
    • 2009-11-12
    • US12116798
    • 2008-05-07
    • XiaoMin YangShuaigang XiaoJie GongMichael Seigler
    • XiaoMin YangShuaigang XiaoJie GongMichael Seigler
    • G11B5/127C25D5/02
    • G11B5/3163C25D5/10C25D5/14G11B5/1278G11B5/3116Y10T29/49021
    • A method for forming a magnetic write pole with a trapezoidal cross-section is described. The method consists of first forming a magnetic seedlayer on a base followed by depositing a removable material layer on the seedlayer, and then a resist layer on the removable material layer. A trench is then formed in the resist, and the resist is heated to cause the cross-sectional profile of the trench to assume a trapezoidal shape. The resist is then capped with another resist layer and further heated to cause the width of the trapezoidal trench to become narrower. The cap layer and removable material layer at the bottom of the trench are then removed and the trench filled with magnetic material by electroplating. The resist and seedlayer external to the trench are finally removed to form a write pole with a trapezoidal cross-section.
    • 描述了形成具有梯形截面的磁性写入极的方法。 该方法包括首先在基底上形成磁性种子层,然后在种子层上沉积可去除的材料层,然后在可移除材料层上形成抗蚀剂层。 然后在抗蚀剂中形成沟槽,并且加热抗蚀剂以使沟槽的横截面轮廓呈现梯形。 然后将抗蚀剂用另一抗蚀剂层封盖,并进一步加热,使梯形沟槽的宽度变窄。 然后去除沟槽底部的覆盖层和可移除材料层,并通过电镀填充磁性材料的沟槽。 最后去除沟槽外部的抗蚀剂和籽晶层以形成具有梯形横截面的写入极。
    • 5. 发明授权
    • Lithography process
    • US08404432B2
    • 2013-03-26
    • US11824124
    • 2007-06-29
    • XiaoMin YangShuaigang Xiao
    • XiaoMin YangShuaigang Xiao
    • G03F7/20
    • G03F7/70B82Y10/00G03F7/2022G03F7/40G11B5/743G11B5/746G11B5/82G11B5/855
    • A lithography process for manufacturing bit-island storage mediums that results in improved resolution and uniformity between bit-islands. The lithography process includes applying a resist coating polymer to a surface of a substrate. Selected areas of the resist coating polymer are then exposed to an energy source, wherein each selected area is exposed to the energy source multiple times to provide a time-averaged exposure of the selected areas that reduces errors caused by noise associated with the energy source. After exposure of the resist coating to the energy source, a selective developer solution is applied to the resist coating to develop the fully exposed regions of the resist coating while leaving undeveloped the partially exposed regions of the resist coating. A polymer reflow material is applied to the developed resist pattern and heated to a selected temperature. The polymer reflow material and selected temperature induce reflow of the developed resist coating such that such that a circumferential diameter associated with the holes formed in the resist pattern is reduced to a desired value distance. The process of inducing reflow of the resist coating can be repeated as desired to achieve a resist pattern wherein the holes formed in the resist pattern are reduced to a desired size. The resist pattern formed on the substrate is then transferred to a magnetic medium to form the desired pattern of bit-islands.
    • 6. 发明申请
    • POLE FOR MAGNETIC RECORDING
    • 磁记录
    • US20130010387A1
    • 2013-01-10
    • US13602915
    • 2012-09-04
    • XiaoMin YangShuaigang XiaoJie GongMichael Seigler
    • XiaoMin YangShuaigang XiaoJie GongMichael Seigler
    • G11B5/127
    • G11B5/3163C25D5/10C25D5/14G11B5/1278G11B5/3116Y10T29/49021
    • A method for forming a magnetic write pole with a trapezoidal cross-section is described. The method consists of first forming a magnetic seedlayer on a base followed by depositing a removable material layer on the seedlayer, and then a resist layer on the removable material layer. A trench is then formed in the resist, and the resist is heated to cause the cross-sectional profile of the trench to assume a trapezoidal shape. The resist is then capped with another resist layer and further heated to cause the width of the trapezoidal trench to become narrower. The cap layer and removable material layer at the bottom of the trench are then removed and the trench filled with magnetic material by electroplating. The resist and seedlayer external to the trench are finally removed to form a write pole with a trapezoidal cross-section.
    • 描述了形成具有梯形截面的磁性写入极的方法。 该方法包括首先在基底上形成磁性种子层,然后在种子层上沉积可去除的材料层,然后在可移除材料层上形成抗蚀剂层。 然后在抗蚀剂中形成沟槽,并且加热抗蚀剂以使沟槽的横截面轮廓呈现梯形。 然后将抗蚀剂用另一抗蚀剂层封盖,并进一步加热,使梯形沟槽的宽度变窄。 然后去除沟槽底部的覆盖层和可移除材料层,并通过电镀填充磁性材料的沟槽。 最后去除沟槽外部的抗蚀剂和籽晶层以形成具有梯形横截面的写入极。
    • 7. 发明申请
    • FORMATION OF A DEVICE USING BLOCK COPOLYMER LITHOGRAPHY
    • 使用块状共聚物平台形成装置
    • US20090305173A1
    • 2009-12-10
    • US12135387
    • 2008-06-09
    • Shuaigang XiaoXiaomin Yang
    • Shuaigang XiaoXiaomin Yang
    • G03F7/20
    • G03F7/00G11C11/14H01F41/34H01L27/22
    • The formation of a device using block copolymer lithography is provided. The formation of the device includes forming a block copolymer structure. The block copolymer structure includes a first polymer and a second polymer. The block copolymer structure also includes a first component deposited between adjacent blocks of the first polymer and a second component deposited between adjacent blocks of the second polymer. A template is developed by removing either the first and second polymers or the first and second components from the block copolymer structure. The formation of the device also includes lithographically patterning the device utilizing the block copolymer structure template. The device may be a data storage medium.
    • 提供了使用嵌段共聚物光刻法形成装置。 该装置的形成包括形成嵌段共聚物结构。 嵌段共聚物结构包括第一聚合物和第二聚合物。 嵌段共聚物结构还包括沉积在第一聚合物的相邻嵌段之间的第一组分和沉积在第二聚合物的相邻嵌段之间的第二组分。 通过从嵌段共聚物结构中除去第一和第二聚合物或第一和第二组分来开发模板。 该器件的形成还包括利用嵌段共聚物结构模板对该器件进行光刻图案化。 该设备可以是数据存储介质。
    • 8. 发明授权
    • Fabrication of trapezoidal pole for magnetic recording
    • 用于磁记录的梯形极的制造
    • US08259411B2
    • 2012-09-04
    • US12116798
    • 2008-05-07
    • XiaoMin YangShuaigang XiaoJie GongMichael Seigler
    • XiaoMin YangShuaigang XiaoJie GongMichael Seigler
    • G11B5/127
    • G11B5/3163C25D5/10C25D5/14G11B5/1278G11B5/3116Y10T29/49021
    • A method for forming a magnetic write pole with a trapezoidal cross-section is described. The method consists of first forming a magnetic seedlayer on a base followed by depositing a removable material layer on the seedlayer, and then a resist layer on the removable material layer. A trench is then formed in the resist, and the resist is heated to cause the cross-sectional profile of the trench to assume a trapezoidal shape. The resist is then capped with another resist layer and further heated to cause the width of the trapezoidal trench to become narrower. The cap layer and removable material layer at the bottom of the trench are then removed and the trench filled with magnetic material by electroplating. The resist and seedlayer external to the trench are finally removed to form a write pole with a trapezoidal cross-section.
    • 描述了形成具有梯形截面的磁性写入极的方法。 该方法包括首先在基底上形成磁性种子层,然后在种子层上沉积可去除的材料层,然后在可移除材料层上形成抗蚀剂层。 然后在抗蚀剂中形成沟槽,并且加热抗蚀剂以使沟槽的横截面轮廓呈现梯形。 然后将抗蚀剂用另一抗蚀剂层封盖,并进一步加热,使梯形沟槽的宽度变窄。 然后去除沟槽底部的覆盖层和可移除材料层,并通过电镀填充磁性材料的沟槽。 最后去除沟槽外部的抗蚀剂和籽晶层以形成具有梯形横截面的写入极。