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1. 发明申请

US20110143169A1 PERPENDICULAR MAGNETIC RECORDING DISK WITH ORDERED NUCLEATION LAYER AND METHOD FOR MAKING THE DISK 有权
标题翻译：具有有序核心层的全磁性记录磁盘和制造磁盘的方法
公开(公告)号：US20110143169A1
公开(公告)日：2011-06-16
申请号：US12639975
申请日：2009-12-16
申请人： Thomas R. Albrecht , Michael Konrad Grobis , Ernesto E. Marinero , Hal J. Rosen , Ricardo Ruiz
发明人： Thomas R. Albrecht , Michael Konrad Grobis , Ernesto E. Marinero , Hal J. Rosen , Ricardo Ruiz
IPC分类号： G11B5/706 , C23C14/34
CPC分类号： G11B5/855 , B82Y10/00 , G11B5/65 , G11B5/7325 , G11B5/743 , G11B5/82
摘要： A continuous-media perpendicular magnetic recording disk with an oxide-containing granular Co alloy recording layer (RL) having minimal grain size dispersion has an ordered nucleation layer (ONL) formed below RL. The ONL has ordered nucleation sites arranged in a generally repetitive pattern. The nucleation sites are generally surrounded by non-nucleation regions of a different material than the nucleation sites. The Co-alloy grains of the subsequently deposited RL grow on the nucleation sites and the oxide of the RL become generally segregated on the non-nucleation regions. The ordered nucleation sites may be formed of a Ru-containing material and the non-nucleation regions may be formed of an oxide. The ONL is formed by nanoimprint lithography, preferably by a master mold fabricated with a method using self-assembling block copolymers for creating periodic nanometer scale features.
摘要翻译：具有最小晶粒尺寸分散体的具有含氧化物的颗粒状钴合金记录层（RL）的连续介质垂直磁记录盘具有形成在RL以下的有序成核层（ONL）。 ONL已经订购了以一般重复模式排列的成核位点。成核位点通常被与成核位点不同的材料的非成核区包围。随后沉积的RL的Co合金晶粒生长在成核位点，并且RL的氧化物通常在非成核区域上分离。有序的成核位点可以由含Ru的材料形成，并且非成核区域可以由氧化物形成。 ONL由纳米压印光刻形成，优选通过使用自组装嵌段共聚物制备周期性纳米尺度特征的方法制造的母模。

2. 发明授权

US08625229B2 Servo control in a patterned-media magnetic recording disk drive using a reference table 有权
标题翻译：使用参考表在图形媒体磁记录磁盘驱动器中进行伺服控制
公开(公告)号：US08625229B2
公开(公告)日：2014-01-07
申请号：US13492880
申请日：2012-06-10
申请人： Thomas R. Albrecht , Michael Konrad Grobis
发明人： Thomas R. Albrecht , Michael Konrad Grobis
IPC分类号： G11B21/02 , G11B5/09 , G11B5/596
CPC分类号： G11B5/5965 , G11B5/59666
摘要： A patterned-media magnetic recording disk drive has head positioning servo sectors on the disk that do not contain special patterns but merely use the same type of dots that are used for data. The “data” dots in angularly spaced sectors of the data tracks function as the servo sectors and are denoted as D-servo regions. The D-servo regions extend across an annular band of the disk, which may be a bootstrap band for self-servowriting. The dots in the annular band are randomly magnetized so that each track in each D-servo region provides a generally random readback signal at the data frequency. The precise radial and circumferential position of the read/write head within a D-servo region is determined by comparing the readback signal with a set of reference signal waveforms from a look-up reference table and finding the reference signal waveform that matches the readback signal.
摘要翻译：图形介质磁记录磁盘驱动器在磁盘上具有不包含特殊图案的头部定位伺服扇区，但仅使用与数据相同类型的点。数据轨道的角度间隔扇区中的“数据”点用作伺服扇区，并被表示为D伺服区域。 D伺服区域延伸穿过盘的环形带，其可以是用于自伺服驱动的自举带。环形带中的点被随机磁化，使得每个D伺服区域中的每个轨道在数据频率处提供大致随机的回读信号。通过将读回信号与来自查找参考表的一组参考信号波形进行比较并找到与回读信号相匹配的参考信号波形来确定读/写头在D伺服区域内的精确径向和圆周位置。

3. 发明申请

US20130329315A1 SERVO CONTROL IN A PATTERNED-MEDIA MAGNETIC RECORDING DISK DRIVE USING A REFERENCE TABLE 有权
标题翻译：使用参考表的图形媒体磁记录盘驱动器中的伺服控制
公开(公告)号：US20130329315A1
公开(公告)日：2013-12-12
申请号：US13492880
申请日：2012-06-10
申请人： Thomas R. Albrecht , Michael Konrad Grobis
发明人： Thomas R. Albrecht , Michael Konrad Grobis
IPC分类号： G11B21/02 , G11B19/20
CPC分类号： G11B5/5965 , G11B5/59666
摘要： A patterned-media magnetic recording disk drive has head positioning servo sectors on the disk that do not contain special patterns but merely use the same type of dots that are used for data. The “data” dots in angularly spaced sectors of the data tracks function as the servo sectors and are denoted as D-servo regions. The D-servo regions extend across an annular band of the disk, which may be a bootstrap band for self-servowriting. The dots in the annular band are randomly magnetized so that each track in each D-servo region provides a generally random readback signal at the data frequency. The precise radial and circumferential position of the read/write head within a D-servo region is determined by comparing the readback signal with a set of reference signal waveforms from a look-up reference table and finding the reference signal waveform that matches the readback signal.
摘要翻译：图形介质磁记录磁盘驱动器在磁盘上具有不包含特殊图案的头部定位伺服扇区，但仅使用与数据相同类型的点。数据轨道的角度间隔扇区中的“数据”点用作伺服扇区，并被表示为D伺服区域。 D伺服区域延伸穿过盘的环形带，其可以是用于自伺服驱动的自举带。环形带中的点被随机磁化，使得每个D伺服区域中的每个轨道在数据频率处提供大致随机的回读信号。通过将读回信号与来自查找参考表的一组参考信号波形进行比较并找到与回读信号相匹配的参考信号波形来确定读/写头在D伺服区域内的精确径向和圆周位置。

4. 发明申请

US20100091408A1 HARD DISK DRIVE WITH DISK SEPARATOR FOR CREATING AXIAL GAPS BETWEEN DISKS FOR ACCESS BY READ/WRITE HEADS 有权
标题翻译：硬盘驱动器，带磁盘分离器，用于创建用于读/写头访问的磁盘之间的轴向GAPS
公开(公告)号：US20100091408A1
公开(公告)日：2010-04-15
申请号：US12248117
申请日：2008-10-09
申请人： Thomas R. Albrecht , Hal J. Rosen
发明人： Thomas R. Albrecht , Hal J. Rosen
IPC分类号： G11B5/48
CPC分类号： G11B17/26 , G11B17/021
摘要： A hard disk drive (HDD) has a stack of disks mounted on a rotatable spindle with the disks being movable axially, i.e., in a direction parallel to the axis of rotation of the spindle. A disk separator is located inside the spindle and separates axially-adjacent disks in a pair to create an axial gap. Any pair of axially-adjacent disks can be separated so that different axial gaps are created. A single head-arm assembly with at least one and preferably two read write heads is movable axially so that it can be rotated by the rotary actuator into any one of the axial gaps. The read/write heads can thus access data on the disk surfaces in the axial gaps. When it is desired to have the disk separator create an new axial gap and thus a new pair of disk surfaces to be accessed, the actuator rotates the head-arm assembly away from the outer perimeters of the disks and moves the read/write heads onto a head support structure that supports the read/write heads off the disks.
摘要翻译：硬盘驱动器（HDD）具有安装在可旋转主轴上的盘堆，盘可以轴向移动，即在与主轴的旋转轴线平行的方向上移动。磁盘分离器位于主轴内部并且分离成一对轴向相邻的磁盘以产生轴向间隙。可以分离任何一对轴向相邻的盘，使得产生不同的轴向间隙。具有至少一个并且优选两个读写头的单个头臂组件可轴向移动，使得其可以由旋转致动器旋转到任何一个轴向间隙中。因此，读/写头可以在轴向间隙中访问磁盘表面上的数据。当希望磁盘分离器产生新的轴向间隙并且因此产生一对新的待访问的盘表面时，致动器将头臂组件旋转远离盘的外周，并将读/写头移动到一个头部支持结构，支持磁盘上的读/写磁头。

5. 发明授权

US08501022B2 Method using block copolymers for making a master disk with radial nondata marks for nanoimprinting patterned magnetic recording disks 失效
标题翻译：使用嵌段共聚物制造具有用于纳米压印图案化磁记录盘的径向非标记标记的母盘的方法
公开(公告)号：US08501022B2
公开(公告)日：2013-08-06
申请号：US13287761
申请日：2011-11-02
申请人： Thomas R. Albrecht , Elizabeth Ann Dobisz , Guoliang Liu , Ricardo Ruiz , Gabriel Zeltzer
发明人： Thomas R. Albrecht , Elizabeth Ann Dobisz , Guoliang Liu , Ricardo Ruiz , Gabriel Zeltzer
IPC分类号： B44C1/22
CPC分类号： B82Y10/00 , G11B5/746 , G11B5/855 , G11B5/865
摘要： A method for making a master disk for nanoimprinting patterned-media magnetic recording disks has patterns for both the data islands and the nondata regions. The method uses guided self-assembly of a block copolymer (BCP) to form patterns of generally radial lines and/or generally concentric rings as well as patterns of gap regions of one of the BCP components. The pattern of lines and/or rings have the BCP components aligned as lamellae perpendicular to the substrate, while the pattern of gap regions has the BCP components aligned as lamellae parallel to the substrate. One of the BCP components is removed, leaving the other BCP component as an etch mask to fabricate either the final master disk or two separate molds that are then used to fabricate the master disk.
摘要翻译：用于制造用于纳米压印图案化介质磁记录盘的母盘的方法具有用于数据岛和非数据区的图案。该方法使用嵌段共聚物（BCP）的引导自组装形成大体上径向线和/或大致同心环的图案以及一种BCP组分的间隙区域的图案。线和/或环的图案具有垂直于衬底的薄片对准的BCP组分，而间隙区域的图案将BCP组分排列成平行于衬底的薄片。 BCP组件中的一个被去除，另一个BCP组件作为蚀刻掩模来制造最终的主磁盘或两个单独的模具，然后用于制造主磁盘。

6. 发明授权

US08119017B2 Method using block copolymers for making a master mold with high bit-aspect-ratio for nanoimprinting patterned magnetic recording disks 有权
标题翻译：使用嵌段共聚物制造用于纳米压印图案化磁记录盘的高位纵横比的母模的方法
公开(公告)号：US08119017B2
公开(公告)日：2012-02-21
申请号：US12141062
申请日：2008-06-17
申请人： Thomas R. Albrecht , Ricardo Ruiz
发明人： Thomas R. Albrecht , Ricardo Ruiz
IPC分类号： B44C1/22 , C03C15/00 , C03C25/68 , H01L21/302 , H01L21/461
CPC分类号： G11B5/855
摘要： The invention is a method for making a master mold to be used for nanoimprinting patterned-media magnetic recording disks. The method uses conventional optical or e-beam lithography to form a pattern of generally radial stripes on a substrate, with the stripes being grouped into annular zones or bands. A block copolymer material is deposited on the pattern, resulting in guided self-assembly of the block copolymer into its components to multiply the generally radial stripes into generally radial lines of alternating block copolymer components. The radial lines of one of the components are removed and the radial lines of the remaining component are used as an etch mask to etch the substrate. Conventional lithography is used to form concentric rings over the generally radial lines. After etching and resist removal, the master mold has pillars arranged in circular rings, with the rings grouped into annular bands.
摘要翻译：本发明是用于制造用于纳米压印图案化介质磁记录盘的母模的方法。该方法使用常规光学或电子束光刻在基底上形成大致径向条纹的图案，其中条纹被分组成环形区域或条带。嵌段共聚物材料沉积在图案上，导致嵌段共聚物引导自组装成其组分，以将大致径向的条带乘以交替的嵌段共聚物组分的大致径向线。除去其中一个部件的径向线，并且将其余部件的径向线用作蚀刻掩模以蚀刻基板。常规光刻用于在大致径向线上形成同心环。在蚀刻和抗蚀剂去除之后，主模具有布置成圆形环的柱，其中环被分组成环形带。

7. 发明申请

US20130105437A1 METHOD USING BLOCK COPOLYMERS FOR MAKING A MASTER DISK WITH RADIAL NONDATA MARKS FOR NANOIMPRINTING PATTERNED MAGNETIC RECORDING DISKS 失效
标题翻译：使用块状共聚物制备具有径向非标记标记的主磁盘的方法用于纳刻图形磁记录磁盘
公开(公告)号：US20130105437A1
公开(公告)日：2013-05-02
申请号：US13287761
申请日：2011-11-02
申请人： Thomas R. Albrecht , Elizabeth Ann Dobisz , Guoliang Liu , Ricardo Ruiz , Gabriel Zeltzer
发明人： Thomas R. Albrecht , Elizabeth Ann Dobisz , Guoliang Liu , Ricardo Ruiz , Gabriel Zeltzer
IPC分类号： C23F1/02 , B05D3/10 , B05D3/02 , B05D5/00
CPC分类号： B82Y10/00 , G11B5/746 , G11B5/855 , G11B5/865
摘要： A method for making a master disk for nanoimprinting patterned-media magnetic recording disks has patterns for both the data islands and the nondata regions. The method uses guided self-assembly of a block copolymer (BCP) to form patterns of generally radial lines and/or generally concentric rings as well as patterns of gap regions of one of the BCP components. The pattern of lines and/or rings have the BCP components aligned as lamellae perpendicular to the substrate, while the pattern of gap regions has the BCP components aligned as lamellae parallel to the substrate. One of the BCP components is removed, leaving the other BCP component as an etch mask to fabricate either the final master disk or two separate molds that are then used to fabricate the master disk.
摘要翻译：用于制造用于纳米压印图案化介质磁记录盘的母盘的方法具有用于数据岛和非数据区的图案。该方法使用嵌段共聚物（BCP）的引导自组装形成大体上径向线和/或大致同心环的图案以及一种BCP组分的间隙区域的图案。线和/或环的图案具有垂直于衬底的薄片对准的BCP组分，而间隙区域的图案将BCP组分排列成平行于衬底的薄片。 BCP组件中的一个被去除，另一个BCP组件作为蚀刻掩模来制造最终的主磁盘或两个单独的模具，然后用于制造主磁盘。

8. 发明授权

US08257598B2 Method using block copolymers for making a master mold with high bit-aspect-ratio for nanoimprinting patterned magnetic recording disks 有权
公开(公告)号：US08257598B2
公开(公告)日：2012-09-04
申请号：US13351385
申请日：2012-01-17
申请人： Thomas R. Albrecht , Ricardo Ruiz
发明人： Thomas R. Albrecht , Ricardo Ruiz
IPC分类号： B44C1/22 , C03C15/00 , C03C25/68 , H01L21/302 , H01L21/461
CPC分类号： G11B5/855
摘要： The invention is a method for making a master mold to be used for nanoimprinting patterned-media magnetic recording disks. The method uses conventional optical or e-beam lithography to form a pattern of generally radial stripes on a substrate, with the stripes being grouped into annular zones or bands. A block copolymer material is deposited on the pattern, resulting in guided self-assembly of the block copolymer into its components to multiply the generally radial stripes into generally radial lines of alternating block copolymer components. The radial lines of one of the components are removed and the radial lines of the remaining component are used as an etch mask to etch the substrate. Conventional lithography is used to form concentric rings over the generally radial lines. After etching and resist removal, the master mold has pillars arranged in circular rings, with the rings grouped into annular bands.

9. 发明申请

US20120111827A1 METHOD USING BLOCK COPOLYMERS FOR MAKING A MASTER MOLD WITH HIGH BIT-ASPECT-RATIO FOR NANOIMPRINTING PATTERNED MAGNETIC RECORDING DISKS 有权
标题翻译：使用块状共聚物制备具有高比特比例的主模的纳米压印图形磁记录盘的方法
公开(公告)号：US20120111827A1
公开(公告)日：2012-05-10
申请号：US13351385
申请日：2012-01-17
申请人： Thomas R. Albrecht , Ricardo Ruiz
发明人： Thomas R. Albrecht , Ricardo Ruiz
IPC分类号： B05D3/10 , B05D5/12
CPC分类号： G11B5/855
摘要： The invention is a method for making a master mold to be used for nanoimprinting patterned-media magnetic recording disks. The method uses conventional optical or e-beam lithography to form a pattern of generally radial stripes on a substrate, with the stripes being grouped into annular zones or bands. A block copolymer material is deposited on the pattern, resulting in guided self-assembly of the block copolymer into its components to multiply the generally radial stripes into generally radial lines of alternating block copolymer components. The radial lines of one of the components are removed and the radial lines of the remaining component are used as an etch mask to etch the substrate. Conventional lithography is used to form concentric rings over the generally radial lines. After etching and resist removal, the master mold has pillars arranged in circular rings, with the rings grouped into annular bands.
摘要翻译：本发明是用于制造用于纳米压印图案化介质磁记录盘的母模的方法。该方法使用常规光学或电子束光刻在基底上形成大致径向条纹的图案，其中条纹被分组成环形区域或条带。嵌段共聚物材料沉积在图案上，导致嵌段共聚物引导自组装成其组分，以将大致径向的条带乘以交替的嵌段共聚物组分的大致径向线。除去其中一个部件的径向线，并且将其余部件的径向线用作蚀刻掩模以蚀刻基板。常规光刻用于在大致径向线上形成同心环。在蚀刻和抗蚀剂去除之后，主模具有布置成圆形环的柱，其中环被分组成环形带。

10. 发明申请

US20110096436A1 PATTERNED MAGNETIC RECORDING DISK WITH PATTERNED SERVO SECTORS AND METHOD USING BLOCK COPOLYMERS FOR MAKING A MASTER MOLD FOR NANOIMPRINTING THE DISK 有权
标题翻译：带有图案伺服器的图形磁记录盘和使用块状共聚物制备用于纳米片的主模的方法
公开(公告)号：US20110096436A1
公开(公告)日：2011-04-28
申请号：US12604333
申请日：2009-10-22
申请人： Thomas R. Albrecht , Jonathan Darrel Coker , Ricardo Ruiz , Bruce Alexander Wilson
发明人： Thomas R. Albrecht , Jonathan Darrel Coker , Ricardo Ruiz , Bruce Alexander Wilson
IPC分类号： G11B5/82 , B05D7/00 , B44C1/22
CPC分类号： G11B5/855
摘要： A patterned-media perpendicular magnetic recording disk has patterned servo regions and is nanoimprinted from a master mold made using directed self-assembly of block copolymers. The disk has patterned concentric circular data tracks of discrete data islands, with the tracks having a track pitch in the radial or cross-track direction. The disk also has patterned servo sectors extending generally radially across the patterned data tracks. The servo pattern is a chevron pattern of slanted or non-radial stripes that have a stripe pitch in the cross-stripe direction substantially equal to the track pitch. As a result of the method of making the master mold, the nanoimprinted disk has a chevron servo pattern with non-radial stripes that are magnetized segments of radial lines separated by nonmagnetic spaces.
摘要翻译：图形介质垂直磁记录盘具有图案化的伺服区域，并且由使用嵌段共聚物的定向自组装制成的母模进行纳米压印。磁盘具有离散数据岛的图案化的同心圆形数据轨道，轨道具有径向或交叉轨道方向的轨道间距。磁盘还具有沿图案化数据磁道大致径向延伸的图案化伺服扇区。伺服图案是斜横条纹或非径向条纹的人字形图案，其在横条方向上具有基本上等于轨道间距的条纹间距。作为制造母模的方法，纳米压印盘具有具有非径向条纹的人字形伺服图案，其是由非磁性空间分开的径向线的磁化段。

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