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1.发明申请FePt-C BASED MAGNETIC RECORDING MEDIA WITH ONION-LIKE CARBON PROTECTION LAYER 审中-公开基于FePt-C的磁性记录介质，具有类似保护层的保护层公开(公告)号：US20130114165A1
公开(公告)日：2013-05-09
申请号：US13290940
申请日：2011-11-07
摘要： A magnetic media for magnetic data recording having a plurality of magnetic grains protected by thin layers of graphitic carbon. The layers of graphitic carbon are formed in a manner similar to onion skins on an onion and can be constructed as single monatomic layers of carbon. The thin layers of graphitic carbon can be formed as layers of graphene or as fullerenes that either cover or partially encapsulate the magnetic gains. The layers of graphitic carbon provide excellent protection against corrosion and wear and greatly reduce magnetic spacing for improved magnetic performance.
摘要翻译： 一种用于磁数据记录的磁介质，具有被薄层石墨碳保护的多个磁性颗粒。 石墨碳层以与洋葱上的洋葱皮相似的方式形成，并且可以被构造为单个单原子层的碳。 石墨碳的薄层可以形成为石墨烯层或作为覆盖或部分地包封磁增益的富勒烯。 石墨碳层提供优异的防腐蚀和耐磨性保护，并大大减少磁间隔，以改善磁性能。
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2.发明申请SYSTEM, METHOD AND APPARATUS FOR MAGNETIC MEDIA WITH A NON-CONTINUOUS METALLIC SEED LAYER 审中-公开具有非连续金属层的磁性介质的系统，方法和装置公开(公告)号：US20130170075A1
公开(公告)日：2013-07-04
申请号：US13338893
申请日：2011-12-28
申请人： Qing Dai , Oleksandr Mosendz , Simone Pisana , Dieter K. Weller
发明人： Qing Dai , Oleksandr Mosendz , Simone Pisana , Dieter K. Weller
CPC分类号： G11B5/65 , B82Y10/00 , G11B5/7379
摘要： A magnetic media has a substrate with an underlayer and a seed layer on the underlayer. The seed layer has a non-continuous metallic layer with a cubed crystalline lattice that is 001 textured, and has a lattice mismatch within 15% of a crystalline lattice structure of FePt with a metallic additive. This structure defines nucleation sites with an established epitaxial interface.
摘要翻译： 磁性介质具有在底层上具有底层和种子层的基底。 种子层具有非连续金属层，其具有001纹理的立方晶格，并且在具有金属添加剂的FePt的晶格结构的15％内具有晶格失配。 该结构定义了具有已建立的外延界面的成核位点。
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3.发明授权Method for making a perpendicular thermally-assisted recording (TAR) magnetic recording disk having a carbon segregant 失效制造具有碳分离器的垂直热辅助记录（TAR）磁记录盘的方法公开(公告)号：US08623670B1
公开(公告)日：2014-01-07
申请号：US13549500
申请日：2012-07-15
IPC分类号： H01L21/00 , H01L21/302
摘要： A method of making a thermally-assisted recording (TAR) disk includes etching an initial layer of generally spherically shaped FePt grains encapsulated by shells of graphitic carbon layers. The etching partially or completely removes the carbon layers on the tops of the shells, exposing the FePt grains while leaving carbon segregant material between the FePt grains. Additional Fe, Pt and C are then simultaneously deposited. The additional Fe and Pt grow on the exposed FePt grains and increase the vertical height of the grains, resulting in growth of columnar FePt grains. The additional C forms on top of the grains that together with the intergranular carbon form larger carbon shells. The resulting FePt grains thus have a generally columnar shape with perpendicular magnetic anisotropy, rather than a generally spherical shape. Lateral grain isolation is maintained by the carbon segregant remaining between the grains.
摘要翻译： 制造热辅助记录（TAR）盘的方法包括蚀刻由石墨碳层包裹的通常球形FePt晶粒的初始层。 蚀刻部分或完全去除壳的顶部上的碳层，暴露FePt晶粒，同时留下碳分离材料在FePt晶粒之间。 然后同时沉积额外的Fe，Pt和C。 附加的Fe和Pt在暴露的FePt晶粒上生长并增加晶粒的垂直高度，导致柱状FePt晶粒的生长。 在颗粒顶部附加的C形成与晶粒碳一起形成更大的碳壳。 所得到的FePt晶粒因此具有垂直磁各向异性的大致圆柱形状，而不是大致球形。 侧面颗粒分离由残留在颗粒之间的碳分离体维持。
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4.发明申请METHOD FOR MAKING A PERPENDICULAR THERMALLY-ASSISTED RECORDING (TAR) MAGNETIC RECORDING DISK HAVING A CARBON SEGREGANT 失效制造具有碳分离器的全面热辅助记录（TAR）磁记录盘的方法公开(公告)号：US20140014616A1
公开(公告)日：2014-01-16
申请号：US13549500
申请日：2012-07-15
IPC分类号： B44C1/22
摘要： A method of making a thermally-assisted recording (TAR) disk includes etching an initial layer of generally spherically shaped FePt grains encapsulated by shells of graphitic carbon layers. The etching partially or completely removes the carbon layers on the tops of the shells, exposing the FePt grains while leaving carbon segregant material between the FePt grains. Additional Fe, Pt and C are then simultaneously deposited. The additional Fe and Pt grow on the exposed FePt grains and increase the vertical height of the grains, resulting in growth of columnar FePt grains. The additional C forms on top of the grains that together with the intergranular carbon form larger carbon shells. The resulting FePt grains thus have a generally columnar shape with perpendicular magnetic anisotropy, rather than a generally spherical shape. Lateral grain isolation is maintained by the carbon segregant remaining between the grains.
摘要翻译： 制造热辅助记录（TAR）盘的方法包括蚀刻由石墨碳层包裹的通常球形FePt晶粒的初始层。 蚀刻部分或完全去除壳的顶部上的碳层，暴露FePt晶粒，同时留下碳分离材料在FePt晶粒之间。 然后同时沉积额外的Fe，Pt和C。 附加的Fe和Pt在暴露的FePt晶粒上生长并增加晶粒的垂直高度，导致柱状FePt晶粒的生长。 在颗粒顶部附加的C形成与晶粒碳一起形成更大的碳壳。 所得到的FePt晶粒因此具有垂直磁各向异性的大致圆柱形状，而不是大致球形。 侧面颗粒分离由残留在颗粒之间的碳分离体维持。
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5.发明授权Method for making a patterned perpendicular magnetic recording disk having a FePt or CoPt chemically ordered recording layer 有权制造具有FePt或CoPt化学有序记录层的图案化垂直磁记录盘的方法公开(公告)号：US08399051B1
公开(公告)日：2013-03-19
申请号：US13248086
申请日：2011-09-29
申请人： Olav Hellwig , Jeffrey S. Lille , Andrew Thomas McCallum , Oleksandr Mosendz , Dieter K. Weller
发明人： Olav Hellwig , Jeffrey S. Lille , Andrew Thomas McCallum , Oleksandr Mosendz , Dieter K. Weller
IPC分类号： B05D5/12
CPC分类号： G11B5/855
摘要： A method for making a bit-patterned-media (BPM) magnetic recording disk includes depositing a FePt (or CoPt) alloy recording layer, and then depositing a sealing layer on the FePt layer before high-temperature annealing. The high-temperature annealing causes the FePt to become substantially chemically-ordered in the L10 phase. After annealing, the sealing layer is removed. The sealing layer prevents nanoclustering and agglomeration of the FePt material at the surface of the FePt layer and the sealing layer, which would result in undesirable high surface roughness of the FePt, making patterning of the FePt layer difficult. The FePt layer can be patterned into the discrete islands for the BPM disk either before deposition of the sealing layer or after deposition and removal of the sealing layer. After patterning and removal of the sealing layer, the disk protective overcoat is deposited over the discrete data islands.
摘要翻译： 一种制造位图形介质（BPM）磁记录盘的方法包括沉积FePt（或CoPt）合金记录层，然后在高温退火之前在FePt层上沉积密封层。 高温退火使FePt在L10相中变得基本化学排序。 退火后，去除密封层。 密封层防止FePt材料在FePt层和密封层的表面的纳米聚集和聚集，这将导致FePt的不希望的高表面粗糙度，使得FePt层的图案化变得困难。 在沉积密封层之前或在沉积和去除密封层之后，FePt层可以被图案化成用于BPM盘的离散岛。 在图案化和去除密封层之后，盘保护外涂层沉积在离散的数据岛上。
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6.发明申请METHOD FOR MAKING A PATTERNED PERPENDICULAR MAGNETIC RECORDING DISK HAVING A FePt or CoPt CHEMICALLY ORDERED RECORDING LAYER 有权制作具有FePt或CoPt化学订购记录层的图形磁性记录磁盘的方法公开(公告)号：US20130084387A1
公开(公告)日：2013-04-04
申请号：US13248086
申请日：2011-09-29
申请人： Olav Hellwig , Jeffrey S. Lille , Andrew Thomas McCallum , Oleksandr Mosendz , Dieter K. Weller
发明人： Olav Hellwig , Jeffrey S. Lille , Andrew Thomas McCallum , Oleksandr Mosendz , Dieter K. Weller
CPC分类号： G11B5/855
摘要： A method for making a bit-patterned-media (BPM) magnetic recording disk includes depositing a FePt (or CoPt) alloy recording layer, and then depositing a sealing layer on the FePt layer before high-temperature annealing. The high-temperature annealing causes the FePt to become substantially chemically-ordered in the L10 phase. After annealing, the sealing layer is removed. The sealing layer prevents nanoclustering and agglomeration of the FePt material at the surface of the FePt layer and the sealing layer, which would result in undesirable high surface roughness of the FePt, making patterning of the FePt layer difficult. The FePt layer can be patterned into the discrete islands for the BPM disk either before deposition of the sealing layer or after deposition and removal of the sealing layer. After patterning and removal of the sealing layer, the disk protective overcoat is deposited over the discrete data islands.
摘要翻译： 一种制造位图形介质（BPM）磁记录盘的方法包括沉积FePt（或CoPt）合金记录层，然后在高温退火之前在FePt层上沉积密封层。 高温退火使FePt在L10相中变得基本化学排序。 退火后，去除密封层。 密封层防止FePt材料在FePt层和密封层的表面的纳米聚集和聚集，这将导致FePt的不希望的高表面粗糙度，使得FePt层的图案化变得困难。 在沉积密封层之前或在沉积和去除密封层之后，FePt层可以被图案化成用于BPM盘的离散岛。 在图案化和去除密封层之后，盘保护外涂层沉积在离散的数据岛上。
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7.发明授权Method for planarizing a perpendicular magnetic recording disk for thermally-assisted recording (TAR) 有权平面化用于热辅助记录（TAR）的垂直磁记录盘的方法公开(公告)号：US08721903B2
公开(公告)日：2014-05-13
申请号：US13439929
申请日：2012-04-05
IPC分类号： B44C1/22
CPC分类号： G11B5/65 , G11B5/72 , G11B5/8408
摘要： A vacuum planarization method substantially improves the surface roughness of a thermally-assisted recording (TAR) disk that has a recording layer (RL) formed of a substantially chemically-ordered FePt alloy or FePt-X alloy (or CoPt alloy or CoPt-X alloy) and a segregant, like SiO2. A first amorphous carbon overcoat (OC1) is deposited on the RL and etched with a non-chemically reactive plasma to remove at least one-half the thickness of OC1. Then a second amorphous carbon overcoat (OC2) is deposited on the etched OC1. The OC2 is then reactive-ion-etched, for example in a H2/Ar plasma, to remove at least one-half the thickness of OC2. A thin third overcoat (OC3) may be deposited on the etched OC2.
摘要翻译： 真空平面化方法大大提高了具有由基本上化学排列的FePt合金或FePt-X合金（或CoPt合金或CoPt-X合金（或CoPt-X）合金）形成的记录层（RL）的热辅助记录（TAR）盘的表面粗糙度 ）和分离剂，如SiO 2。 第一非晶碳外涂层（OC1）沉积在RL上并用非化学反应性等离子体蚀刻，以除去OC1的至少一半的厚度。 然后在蚀刻的OC1上沉积第二个无定形碳外涂层（OC2）。 然后将OC2反应离子蚀刻，例如在H 2 / Ar等离子体中，以去除OC2的至少一半的厚度。 可以在蚀刻的OC2上沉积薄的第三外涂层（OC3）。
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8.发明申请METHOD FOR PLANARIZING A PERPENDICULAR MAGNETIC RECORDING DISK FOR THERMALLY-ASSISTED RECORDING (TAR) 有权用于平面化用于热辅助记录（TAR）的平滑磁记录盘的方法公开(公告)号：US20130264306A1
公开(公告)日：2013-10-10
申请号：US13439929
申请日：2012-04-05
IPC分类号： G11B5/84
CPC分类号： G11B5/65 , G11B5/72 , G11B5/8408
摘要： A vacuum planarization method substantially improves the surface roughness of a thermally-assisted recording (TAR) disk that has a recording layer (RL) formed of a substantially chemically-ordered FePt alloy or FePt-X alloy (or CoPt alloy or CoPt-X alloy) and a segregant, like SiO2. A first amorphous carbon overcoat (OC1) is deposited on the RL and etched with a non-chemically reactive plasma to remove at least one-half the thickness of OC1. Then a second amorphous carbon overcoat (OC2) is deposited on the etched OC1. The OC2 is then reactive-ion-etched, for example in a H2/Ar plasma, to remove at least one-half the thickness of OC2. A thin third overcoat (OC3) may be deposited on the etched OC2.
摘要翻译： 真空平面化方法大大提高了具有由基本上化学排列的FePt合金或FePt-X合金（或CoPt合金或CoPt-X合金（或CoPt-X）合金）形成的记录层（RL）的热辅助记录（TAR）盘的表面粗糙度 ）和分离剂，如SiO 2。 第一非晶碳外涂层（OC1）沉积在RL上并用非化学反应性等离子体蚀刻，以除去OC1的至少一半的厚度。 然后在蚀刻的OC1上沉积第二个无定形碳外涂层（OC2）。 然后将OC2反应离子蚀刻，例如在H 2 / Ar等离子体中，以去除OC2的至少一半的厚度。 可以在蚀刻的OC2上沉积薄的第三外涂层（OC3）。
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公开(公告)号：US20130235491A1
公开(公告)日：2013-09-12
申请号：US13417032
申请日：2012-03-09
申请人： Oleksandr Mosendz , Hans J. Richter
发明人： Oleksandr Mosendz , Hans J. Richter
摘要： A heat enabled magnetic media having a composite magnetic recording layer structure that includes first and second magnetic layers and an exchange coupling layer sandwiched between the first and second magnetic layers. The exchange coupling layer has a reduced Curie temperature that allows the magnetic layers to become decoupled a lower temperature. This reduced Curie temperature can be achieved the addition of an alloying element such as Ni or Cu into the exchange coupling layer. Therefore, the exchange coupling layer can be constructed of an alloy such as FePtNi FePtCu, and the magnetic layers can be constructed of a material such as FePt.
摘要翻译： 具有包括第一和第二磁性层的复合磁记录层结构和夹在第一和第二磁性层之间的交换耦合层的加热磁性介质。 交换耦合层具有降低的居里温度，其允许磁性层在更低的温度下解耦。 这可以通过将诸如Ni或Cu的合金元素添加到交换耦合层来实现这种降低的居里温度。 因此，交换耦合层可以由诸如FePtNiFePtCu的合金构成，并且磁性层可以由诸如FePt的材料构成。
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公开(公告)号：US08630060B2
公开(公告)日：2014-01-14
申请号：US13417032
申请日：2012-03-09
申请人： Oleksandr Mosendz , Hans J. Richter
发明人： Oleksandr Mosendz , Hans J. Richter
IPC分类号： G11B5/012
摘要： A heat enabled magnetic media having a composite magnetic recording layer structure that includes first and second magnetic layers and an exchange coupling layer sandwiched between the first and second magnetic layers. The exchange coupling layer has a reduced Curie temperature that allows the magnetic layers to become decoupled a lower temperature. This reduced Curie temperature can be achieved the addition of an alloying element such as Ni or Cu into the exchange coupling layer. Therefore, the exchange coupling layer can be constructed of an alloy such as FePtNi FePtCu, and the magnetic layers can be constructed of a material such as FePt.
摘要翻译： 具有包括第一和第二磁性层的复合磁记录层结构和夹在第一和第二磁性层之间的交换耦合层的加热磁性介质。 交换耦合层具有降低的居里温度，其允许磁性层在更低的温度下解耦。 这可以通过将诸如Ni或Cu的合金元素添加到交换耦合层来实现这种降低的居里温度。 因此，交换耦合层可以由诸如FePtNiFePtCu的合金构成，并且磁性层可以由诸如FePt的材料构成。
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