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31.发明申请公开(公告)号：US20110111261A1
公开(公告)日：2011-05-12
申请号：US12614598
申请日：2009-11-09
申请人： Xiaoping Bian , Jack Jyh-Kau Chang , Zhupei Shi
发明人： Xiaoping Bian , Jack Jyh-Kau Chang , Zhupei Shi
CPC分类号： G11B5/66 , G11B5/65 , G11B5/7325 , G11B5/738 , Y10T428/115
摘要： Perpendicular magnetic recording (PMR) media and methods of fabricating PMR media are described. The PMR media includes, among other layers, an underlayer, a first onset layer on the underlayer, a second onset layer on the first onset layer, and a perpendicular magnetic recording layer on the second onset layer. The second onset layer has a magnetic moment which is higher than both a magnetic moment of the first onset layer and a magnetic moment of the perpendicular magnetic recording layer.
摘要翻译： 描述了垂直磁记录（PMR）介质和制造PMR介质的方法。 除了其它层之外，PMR介质包括底层，底层上的第一起始层，第一起始层上的第二起始层和第二起始层上的垂直磁记录层。 第二起始层具有高于第一起始层的磁矩和垂直磁记录层的磁矩的磁矩。
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公开(公告)号：US06872478B2
公开(公告)日：2005-03-29
申请号：US10608866
申请日：2003-06-26
申请人： Xiaoping Bian , Mary Frances Doerner , Kai Tang , Qi-Fan Xiao
发明人： Xiaoping Bian , Mary Frances Doerner , Kai Tang , Qi-Fan Xiao
CPC分类号： G11B5/732 , G11B5/7325 , Y10S428/90 , Y10T428/12465 , Y10T428/12854 , Y10T428/265
摘要： The applicants disclose a thin film magnetic media structure with a pre-seed layer of CrTiAl. The CrTiAl pre-seed layer presents an amorphous or nanocrystalline structure. The CrTiAl pre-seed layer improves in-plane c-axis orientation while maintaining a good orientation ratio. The pulse transition width (PW50) is narrowed and the soft error rate is improved. The preferred seed layer is RuAl.
摘要翻译： 申请人公开了具有CrTiAl预种子层的薄膜磁性介质结构。 CrTiAl预种子层呈现无定形或纳米晶体结构。 CrTiAl预种子层提高面内c轴取向，同时保持良好的取向比。 脉冲宽度（PW50）变窄，软错误率提高。 优选的种子层是RuAl。
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公开(公告)号：US06846543B2
公开(公告)日：2005-01-25
申请号：US10850735
申请日：2004-05-21
CPC分类号： G11B5/732 , G11B5/656 , G11B5/7325 , G11B5/8404 , Y10S428/90 , Y10T428/12465 , Y10T428/12861 , Y10T428/265
摘要： A magnetic thin film disk for use in a disk drive with a ruthenium-aluminum (RuAl) seed layer with B2 structure followed by a NiAl layer is described. The disk has reduced noise and increased squareness which results in improved recording performance in a disk drive utilizing the disk. The improved disk is formed by first depositing the RuAl seed layer on the substrate then the NiAl layer is deposited onto the NiAl, followed by the other layers required for a magnetic disk such as an underlayer material with a lattice parameter compatible with RuAl such as Cr-alloy, followed by a standard hcp magnetic material. The RuAl seed layer promotes a [100] preferred orientation in the underlayer which in turn promotes a [11{overscore (2)}0] preferred orientation in the magnetic layer.
摘要翻译： 描述了一种用于带有B2结构的钌 - 铝（RuAl）晶种层的磁盘驱动器的磁性薄膜盘片，然后是NiAl层。 磁盘具有降低的噪声和增加的矩形度，这导致利用磁盘的磁盘驱动器中的记录性能得到改善。 通过首先在衬底上沉积RuAl籽晶层，然后将NiAl层沉积到NiAl上，然后沉积到具有与RuAl相容的晶格参数如Cr的磁盘所需的其它层，形成改进的盘 合金，其次是标准的hcp磁性材料。 RuAl种子层促进底层中的优选取向，这进一步促进了磁性层中的[11（超（20））优选取向。
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公开(公告)号：US06677052B2
公开(公告)日：2004-01-13
申请号：US10158377
申请日：2002-05-29
申请人： Xiaoping Bian , Mary Frances Doerner , Kai Tang , Qi-Fan Xiao
发明人： Xiaoping Bian , Mary Frances Doerner , Kai Tang , Qi-Fan Xiao
IPC分类号： G11B566
CPC分类号： G11B5/732 , Y10S428/90 , Y10S428/928 , Y10T428/12806 , Y10T428/12847
摘要： A magnetic recording disk is provided having an amorphous preseed layer of chromium, titanium, and yttrium. The use of the preseed layer improves the magnetic performance of the disk including signal to noise, inplane orientation, and readback pulsewidth.
摘要翻译： 提供具有铬，钛和钇的无定形预置层的磁记录盘。 使用预置层提高了磁盘的磁性能，包括信噪比，平面方向和回读脉冲宽度。
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公开(公告)号：US06593009B2
公开(公告)日：2003-07-15
申请号：US09798235
申请日：2001-03-02
IPC分类号： G11B566
CPC分类号： B82Y25/00 , G11B5/732 , H01F10/30 , H01F10/32 , Y10S428/90 , Y10T428/12465 , Y10T428/12826 , Y10T428/12847 , Y10T428/12861 , Y10T428/265
摘要： A thin film magnetic media structure comprising a pre-seed layer CrTi is disclosed. The CrTi pre-seed layer presents an amorphous or nanocrystalline structure. The preferred seed layer is RuAl. The use of the CrTi/RuAl bilayer structure provides superior adhesion to the substrate and resistance to scratching, as well as, excellent coercivity and signal-to-noise ratio (SNR) and reduced cost over the prior art.
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公开(公告)号：US09412404B2
公开(公告)日：2016-08-09
申请号：US12638894
申请日：2009-12-15
CPC分类号： G11B5/851 , C23C14/0688 , C23C14/083 , C23C14/34 , C23C14/3414 , G11B5/65 , G11B5/7325 , G11B5/8404
摘要： A magnetic storage medium according to one embodiment includes a substrate; an onset layer formed above the substrate, the onset layer comprising ruthenium and titanium oxide; and a magnetic oxide layer formed directly on the onset layer. A method according to one embodiment includes sputtering using a target of ruthenium and titanium oxide for forming an onset layer above a substrate, the onset layer comprising ruthenium and titanium oxide; and forming a magnetic oxide layer directly on the onset layer. Additional systems and methods are also presented.
摘要翻译： 根据一个实施例的磁存储介质包括基板; 起始层，形成在基底上方，起始层包含钌和氧化钛; 以及直接形成在起始层上的磁性氧化物层。 根据一个实施方案的方法包括使用钌和氧化钛靶用于在基底上形成起始层的溅射，起始层包含钌和氧化钛; 并在起始层上直接形成磁性氧化物层。 还介绍了其他系统和方法。
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公开(公告)号：US06858331B1
公开(公告)日：2005-02-22
申请号：US10651634
申请日：2003-08-29
IPC分类号： G11B5/738 , G11B5/65 , G11B5/73 , G11B5/85 , G11B5/851 , G11B5/66 , B05D5/12 , G11B5/70 , H01J1/00
CPC分类号： G11B5/7325 , Y10S428/90 , Y10T428/12465 , Y10T428/12854 , Y10T428/12861 , Y10T428/12986
摘要： A thin film magnetic media structure with a bi-layer structure of amorphous chromium titanium (CrTi) followed by an amorphous layer of nickel phosphorus (NiP) is disclosed. After the NiP has been deposited it is exposed to oxygen to form an oxidized surface. Preferably the underlayer is deposited directly onto the oxidized NiP surface. The bi-layer structure of CrTi/NiP promotes excellent in-plane crystallographic orientation in the cobalt alloy magnetic layer(s) and allows an ultra-thin chromium underlayer to be used which provides better control over grain size and distribution. When the CrTi/NiP bi-layer structure is combined with a circumferentially textured substrate, preferably glass, a high Mrt orientation ratio (OR) results.
摘要翻译： 公开了一种具有非晶态铬钛（CrTi）双层结构，随后是镍磷（NiP）非晶层的薄膜磁介质结构。 NiP沉积后，暴露于氧气以形成氧化表面。 优选地，底层直接沉积在氧化的NiP表面上。 CrTi / NiP的双层结构促进钴合金磁性层中的优异的面内晶体取向，并且允许使用超薄铬底层，其提供对晶粒尺寸和分布的更好控制。 当CrTi / NiP双层结构与周向织构化的基底（优选玻璃）组合时，得到高的Mrt取向比（OR）。
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38.发明授权Containing an AITa or AITi pre-seed layer, a CoCr onset layer and a CoCrPtB magnetic layer 失效含有aita或aiti预种子层的高性能薄膜盘，共同起始层和cocrptb磁性层公开(公告)号：US06607842B2
公开(公告)日：2003-08-19
申请号：US09758379
申请日：2001-01-09
IPC分类号： G11B565
CPC分类号： G11B5/66 , Y10T428/12465 , Y10T428/12736 , Y10T428/12743 , Y10T428/12757 , Y10T428/12861 , Y10T428/12931 , Y10T428/24967 , Y10T428/265
摘要： The thin film disk includes a pre-seed layer of amorphous or nanocrystalline structure which may be AlTi or AlTa, and that is deposited upon a disk substrate. The pre-seed layer is followed by the RuAl seed layer, a Cr alloy underlayer, an onset layer composed essentially of CoCr and a magnetic layer. The onset layer has an optimal concentration of 28-33 at. % Cr and an optimal thickness of 0.5 to 2.5 nm and it increases coercivity and improves the Signal-to-Noise Ratio (SNR) of the disk. The magnetic layer is comprised of CoPtxCrBy, wherein x is the at. % concentration of Pt, y is the at. % concentration of boron, and x>4+y.
摘要翻译： 薄膜盘包括可以是AlTi或AlTa并且沉积在盘基底上的非晶或纳米晶体结构的种子前层。 预种子层之后是RuAl种子层，Cr合金底层，基本上由CoCr和磁性层组成的起始层。 起始层的最佳浓度为28-33。 ％Cr，最佳厚度为0.5〜2.5nm，提高了矫顽力，提高了磁盘的信噪比（SNR）。 磁性层由CoPtxCrBy组成，其中x是at。 Pt的浓度百分比，y为at。 ％的硼浓度，x> 4 + y。
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公开(公告)号：US06586116B1
公开(公告)日：2003-07-01
申请号：US09500710
申请日：2000-02-09
申请人： Xiaoping Bian , Mary Frances Doerner , Tim Minvielle , Mohammad Taghi Mirzamaani , Kai Tang , Li Tang
发明人： Xiaoping Bian , Mary Frances Doerner , Tim Minvielle , Mohammad Taghi Mirzamaani , Kai Tang , Li Tang
IPC分类号： G11B566
CPC分类号： G11B5/66 , Y10T428/12465 , Y10T428/12736 , Y10T428/12743 , Y10T428/12757 , Y10T428/12861 , Y10T428/12931 , Y10T428/24967 , Y10T428/265
摘要： The design of a magnetic thin film disk, for use in a disk drive, with an amorphous or nanocrystalline pre-seed layer preferably followed by a ruthenium-aluminum (RuAl) seed layer is described. The pre-seed layer may be CrTa or AlTi. The pre-seed layer deposited over a glass substrate, for example, allows a more strongly oriented RuAl seed layer to be deposited and, thus, favorably influences the orientation and grain size in the subsequent layers which include preferably at least one Cr alloy underlayer and at least one magnetic layer.
摘要翻译： 描述了用于磁盘驱动器的磁性薄膜盘的设计，其中非晶或纳米晶种子种子层优选地随后是钌铝（RuAl）种子层。 预种子层可以是CrTa或AlTi。 沉积在玻璃基底上的预种子层例如允许沉积更强取向的RuAl种子层，因此有利地影响后续层中的取向和晶粒尺寸，其包括优选至少一个Cr合金底层和 至少一个磁性层。
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公开(公告)号：US06187408B1
公开(公告)日：2001-02-13
申请号：US08838376
申请日：1997-04-08
IPC分类号： G11B566
CPC分类号： G11B5/732 , G11B5/656 , G11B5/7325 , Y10S428/90 , Y10T428/265
摘要： A thin film magnetic disk (and a disk drive using the magnetic disk) with improved recording performance having a thin seed layer consisting of tantalum (Ta), a suitable underlayer and a CoPtCrB magnetic layer is described. The underlayer is preferably a Cr alloy with a grain size which is smaller than that of pure Cr. CrTi is suitable as an underlayer. An appropriate overcoat such as hydrogenated carbon can be applied.
摘要翻译： 描述了具有由钽（Ta），合适的底层和CoPtCrB磁性层组成的薄种子层的具有改进的记录性能的薄膜磁盘（和使用磁盘的磁盘驱动器）。 该底层优选为粒径小于纯Cr的Cr合金。 CrTi适合作为底层。 可以应用合适的外涂层，例如氢化碳。
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