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1. 发明授权

US07382558B2 Magnetic transfer apparatus 失效
标题翻译：磁转移装置
公开(公告)号：US07382558B2
公开(公告)日：2008-06-03
申请号：US11121933
申请日：2005-05-05
申请人： Masakazu Nishikawa , Kazuhiro Niitsuma , Akito Kamatani
发明人： Masakazu Nishikawa , Kazuhiro Niitsuma , Akito Kamatani
IPC分类号： G11B5/86
CPC分类号： B82Y10/00 , G11B5/59633 , G11B5/743 , G11B5/82 , G11B5/865 , Y10T428/12465 , Y10T428/32
摘要： By bring a master carrier and a slave medium into close contact with uniform force when executing magnetic transfer by applying transfer magnetic field in the state that the master carrier and slave medium is in confronted close contact and received within a holder, inferiority of transfer such as omission of signals is prevented and quality of transfer signals is enhanced.The magnetic transfer apparatus executes magnetic transfer by applying transfer magnetic field by means of a magnetic field applying apparatus 5 after a master carrier 3, 4 bearing transfer information and a slave medium 2 to be transferred are brought into confronted close contact and received within a holder 10, wherein said holder 10 has a substantially circular shape and in particular, the circularity of holder is not less than 98%, wherein the flexural rigidity=Ed3/12 determined by Young's modulus E and thickness d of the holder is in the range of 0.1˜30 kN·m2 when the width of close contact area between the slave medium and master carrier is defined as 1 m, and wherein the practical thickness of the holder is not less than 3 mm and not more than 15 mm.
摘要翻译：通过在主载体和从属介质紧密接触并接收在载体内的状态下，通过施加传递磁场来使主载体和从属介质与均匀的力紧密接触，从而传递的传递如防止信号的省略，并且提高传输信号的质量。磁传送装置通过在主载体3,4之间施加转移磁场来执行磁转移，主载体3,4之间的轴承转移信息和待传送的从属介质2被紧密接触并接收在保持器内如图10所示，其中所述保持器10具有大致圆形形状，特别地，保持器的圆形度不小于98％，其中由杨氏模量E和厚度d确定的弯曲刚度= Ed 3/12 当从属介质和主载体之间的紧密接触面积的宽度被定义为1m时，保持器的范围在0.1〜30kN.m 2范围内，并且其中保持器的实际厚度不小于3mm且不大于15mm。

2. 发明授权

US07149042B2 Master carrier for magnetic transfer 失效
公开(公告)号：US07149042B2
公开(公告)日：2006-12-12
申请号：US11014944
申请日：2004-12-20
申请人： Masakazu Nishikawa , Tadashi Yasunaga , Kazuhiro Niitsuma
发明人： Masakazu Nishikawa , Tadashi Yasunaga , Kazuhiro Niitsuma
IPC分类号： G11B5/86
CPC分类号： B82Y10/00 , G11B5/59633 , G11B5/743 , G11B5/82 , G11B5/865
摘要： A master carrier for magnetic transfer is equipped with a substrate having a land/groove pattern. The land/groove pattern is formed from a magnetic material and corresponds to information that is transferred to a magnetic recording disk. Each land in the land/groove pattern has four round corners whose radius is from 1% through 47% of the width of a data track on the disk.

3. 发明授权

US07009790B2 Magnetic transfer apparatus 失效
标题翻译：磁转移装置
公开(公告)号：US07009790B2
公开(公告)日：2006-03-07
申请号：US10176115
申请日：2002-06-21
申请人： Masakazu Nishikawa , Kazuhiro Niitsuma
发明人： Masakazu Nishikawa , Kazuhiro Niitsuma
IPC分类号： G11B5/86
CPC分类号： G11B5/865 , G11B5/59633 , G11B5/82 , G11B17/00
摘要： The present invention enables to execute accurate magnetic transfer without signal omission and the like, by bringing a master carrier which bore transfer information and a slave medium to undergo transfer into close contact with each other uniformly and without a gap when they are received in a holder and brought into confronted close contact with each other.In a magnetic transfer apparatus for executing magnetic transfer by applying magnetic field for transfer generated by a magnetic field applying apparatus after master carriers 3, 4 which bore transfer information and a slave medium 2 to undergo transfer are brought into confronted close contact with each other and received in a holder 10, materials 6, 7 having elastic characteristic are interposed between the holder 10 and master carriers 3, 4, thereby allowing microdeformation of master carriers 3, 4 to enhance the close contact capability with the slave medium.
摘要翻译：本发明能够通过使传送信息和从属介质的主载体在其被接收在保持器中时彼此均匀地并且没有间隙地彼此紧密接触而使得能够执行精确的磁传递而不丢失信号等并相互接触。在用于通过施加磁场进行磁转移的磁性传送装置中，在磁带传送信息的主载体3,4和经过传送的从属介质2彼此紧密接触之后，由磁场施加装置产生的磁场进行磁场传递，接收在保持器10中，具有弹性特性的材料6,7被插入在支架10和主支架3,4之间，从而允许主支架3,4的微变形，以增强与从动介质的紧密接触能力。

4. 发明申请

US20050200993A1 Magnetic transfer apparatus 失效
标题翻译：磁转移装置
公开(公告)号：US20050200993A1
公开(公告)日：2005-09-15
申请号：US11121932
申请日：2005-05-05
申请人： Masakazu Nishikawa , Kazuhiro Niitsuma , Akito Kamatani
发明人： Masakazu Nishikawa , Kazuhiro Niitsuma , Akito Kamatani
IPC分类号： G11B5/596 , G11B5/82 , G11B5/86
CPC分类号： B82Y10/00 , G11B5/59633 , G11B5/743 , G11B5/82 , G11B5/865 , Y10T428/12465 , Y10T428/32
摘要： By bring a master carrier and a slave medium into close contact with uniform force when executing magnetic transfer by applying transfer magnetic field in the state that the master carrier and slave medium is in confronted close contact and received within a holder, inferiority of transfer such as omission of signals is prevented and quality of transfer signals is enhanced. The magnetic transfer apparatus executes magnetic transfer by applying transfer magnetic field by means of a magnetic field applying apparatus 5 after a master carrier 3, 4 bearing transfer information and a slave medium 2 to be transferred are brought into confronted close contact and received within a holder 10, wherein said holder 10 has a substantially circular shape and in particular, the circularity of holder is not less than 98%, wherein the flexural rigidity=Ed3/12 determined by Young's modulus E and thickness d of the holder is in the range of 0.1˜30 kN·m2 when the width of close contact area between the slave medium and master carrier is defined as 1 m, and wherein the practical thickness of the holder is not less than 3 mm and not more than 15 mm.
摘要翻译：通过在主载体和从属介质紧密接触并接收在载体内的状态下，通过施加传递磁场来使主载体和从属介质与均匀的力紧密接触，从而传递的传递如防止信号的省略，并且提高传输信号的质量。磁传送装置通过在主载体3,4之间施加转移磁场来执行磁转移，主载体3,4之间的轴承转移信息和待传送的从属介质2被紧密接触并接收在保持器内如图10所示，其中所述保持器10具有大致圆形形状，特别地，保持器的圆形度不小于98％，其中由杨氏模量E和厚度d确定的弯曲刚度= Ed 3/12 当从属介质和主载体之间的紧密接触面积的宽度被定义为1m时，保持器的范围在0.1〜30kN.m 2范围内，并且其中保持器的实际厚度不小于3mm且不大于15mm。

5. 发明申请

US20050190470A1 Magnetic transfer apparatus 失效
标题翻译：磁转移装置
公开(公告)号：US20050190470A1
公开(公告)日：2005-09-01
申请号：US11121935
申请日：2005-05-05
申请人： Masakazu Nishikawa , Kazuhiro Niitsuma , Akito Kamatani
发明人： Masakazu Nishikawa , Kazuhiro Niitsuma , Akito Kamatani
IPC分类号： G11B5/596 , G11B5/82 , G11B5/86
CPC分类号： B82Y10/00 , G11B5/59633 , G11B5/743 , G11B5/82 , G11B5/865 , Y10T428/12465 , Y10T428/32
摘要： By bring a master carrier and a slave medium into close contact with uniform force when executing magnetic transfer by applying transfer magnetic field in the state that the master carrier and slave medium is in confronted close contact and received within a holder, inferiority of transfer such as omission of signals is prevented and quality of transfer signals is enhanced. The magnetic transfer apparatus executes magnetic transfer by applying transfer magnetic field by means of a magnetic field applying apparatus 5 after a master carrier 3, 4 bearing transfer information and a slave medium 2 to be transferred are brought into confronted close contact and received within a holder 10, wherein said holder 10 has a substantially circular shape and in particular, the circularity of holder is not less than 98%, wherein the flexural rigidity=Ed3/12 determined by Young's modulus E and thickness d of the holder is in the range of 0.1˜30 kN·m2 when the width of close contact area between the slave medium and master carrier is defined as 1 m, and wherein the practical thickness of the holder is not less than 3 mm and not more than 15 mm.
摘要翻译：通过在主载体和从属介质紧密接触并接收在载体内的状态下，通过施加传递磁场来使主载体和从属介质与均匀的力紧密接触，从而传递的传递如防止信号的省略，并且提高传输信号的质量。磁传送装置通过在主载体3,4之间施加转移磁场来执行磁转移，主载体3,4之间的轴承转移信息和待传送的从属介质2被紧密接触并接收在保持器内如图10所示，其中所述保持器10具有大致圆形形状，特别地，保持器的圆形度不小于98％，其中由杨氏模量E和厚度d确定的弯曲刚度= Ed 3/12 当从属介质和主载体之间的紧密接触面积的宽度被定义为1m时，保持器的范围在0.1〜30kN.m 2范围内，并且其中保持器的实际厚度不小于3mm且不大于15mm。

6. 发明授权

US06909564B2 Magnetic transfer apparatus 失效
标题翻译：磁转移装置
公开(公告)号：US06909564B2
公开(公告)日：2005-06-21
申请号：US10170186
申请日：2002-06-13
申请人： Masakazu Nishikawa , Kazuhiro Niitsuma , Akito Kamatani
发明人： Masakazu Nishikawa , Kazuhiro Niitsuma , Akito Kamatani
IPC分类号： G11B5/596 , G11B5/82 , G11B5/86
CPC分类号： B82Y10/00 , G11B5/59633 , G11B5/743 , G11B5/82 , G11B5/865 , Y10T428/12465 , Y10T428/32
摘要： By bring a master carrier and a slave medium into close contact with uniform force when executing magnetic transfer by applying transfer magnetic field in the state that the master carrier and slave medium is in confronted close contact and received within a holder, inferiority of transfer such as omission of signals is prevented and quality of transfer signals is enhanced.The magnetic transfer apparatus executes magnetic transfer by applying transfer magnetic field by means of a magnetic field applying apparatus 5 after a master carrier 3, 4 bearing transfer information and a slave medium 2 to be transferred are brought into confronted close contact and received within a holder 10, wherein said holder 10 has a substantially circular shape and in particular, the circularity of holder is not less than 98%, wherein the flexural rigidity=Ed3/12 determined by Young's modulus E and thickness d of the holder is in the range of 0.1˜30 kN·m2 when the width of close contact area between the slave medium and master carrier is defined as 1m, and wherein the practical thickness of the holder is not less than 3 mm and not more than 15 mm.
摘要翻译：通过在主载体和从属介质紧密接触并接收在载体内的状态下，通过施加传递磁场来使主载体和从属介质与均匀的力紧密接触，从而传递的传递如防止信号的省略，并且提高传输信号的质量。磁传送装置通过在主载体3,4之间施加转移磁场来执行磁转移，主载体3,4之间的轴承转移信息和待传送的从属介质2被紧密接触并接收在保持器内如图10所示，其中所述保持器10具有大致圆形形状，特别地，保持器的圆形度不小于98％，其中由杨氏模量E和厚度d确定的弯曲刚度= Ed 3/12 当从属介质和主载体之间的紧密接触区域的宽度被定义为1m时，保持器的实际厚度在0.1〜30kN.m 2的范围内，并且其中保持器的实际厚度为不小于3毫米不超过15毫米。

7. 发明授权

US06824835B2 Flexible magnetic recording medium 失效
标题翻译：柔性磁记录介质
公开(公告)号：US06824835B2
公开(公告)日：2004-11-30
申请号：US10317077
申请日：2002-12-12
申请人： Hitoshi Noguchi , Kazuhiro Niitsuma
发明人： Hitoshi Noguchi , Kazuhiro Niitsuma
IPC分类号： G11B584
CPC分类号： B82Y10/00 , G11B5/59633 , G11B5/7021 , G11B5/7085 , G11B5/743 , G11B5/865
摘要： A flexible magnetic recording medium to which data is transferred by being brought into intimate contact with a master carrier which has a land/groove pattern corresponding to the data and also has a surface whose Moh's hardness is 6 to 10. The magnetic recording medium includes a substrate, a non-magnetic layer, and a magnetic layer. The non-magnetic layer and the magnetic layer are coated on the substrate in the recited order. The magnetic layer contains an abrasive comprising diamond particles whose average particle size is 0.03 to 0.5 &mgr;m. The diamond particle content of the abrasive is in a range of 0.1 to 5 wt % of ferromagnetic powder contained in the magnetic layer.
摘要翻译：通过与主载体紧密接触而传送数据的柔性磁记录介质，主载体具有对应于数据的焊盘/凹槽图案，并且还具有莫氏硬度为6至10的表面。磁记录介质包括衬底，非磁性层和磁性层。非磁性层和磁性层按顺序涂覆在基片上。磁性层含有平均粒径为0.03〜0.5μm的金刚石颗粒的研磨剂。研磨剂的金刚石颗粒含量在磁性层中所含的铁磁性粉末的0.1〜5重量％的范围内。

8. 发明授权

US5773137A Magnetic recording disk 失效
标题翻译：磁记录盘
公开(公告)号：US5773137A
公开(公告)日：1998-06-30
申请号：US667499
申请日：1996-06-21
申请人： Kazuhiro Niitsuma , Yasushi Endo
发明人： Kazuhiro Niitsuma , Yasushi Endo
IPC分类号： G11B5/702 , G11B5/012 , G11B5/09 , G11B5/738 , G11B5/82 , B32B5/16
CPC分类号： G11B5/09 , G11B5/738 , G11B5/012 , G11B5/82 , Y10T428/24355 , Y10T428/25
摘要： A magnetic recording disk having a flexible non-magnetic support, an intervening non-magnetic layer of 0.5 to 5 .mu.m thick which contains as binder and anon-magnetic inorganic powder, and a magnetic layer of 0.02 to 0.5 .mu.m thick containing a binder, a ferromagnetic powder, carbon black and a lubricant to reduced in its tendency to make a magnetic head of a magnetic recording/reproducing device corrosive without reducing its running endurance, by employing a binder polymer containing no chlorine atom in its molecular structure for both the non-magnetic layer and the magnetic layer and by making the magnetic layer to have an upper surface having a Knoop hardness of 14 to 25.
摘要翻译：一种具有柔性非磁性载体的磁记录盘，0.5至5μm厚的中间非磁性层，其包含作为粘合剂和无机无机粉末的磁性层，以及含有粘合剂的0.02至0.5μm厚的磁性层，铁磁粉末，炭黑和润滑剂，通过在其分子结构中使用不含氯原子的粘合剂聚合物来减少磁性记录/再现装置的磁头腐蚀性而不降低其耐久性，非磁性层和磁性层，并且通过使磁性层具有Knoop硬度为14至25的上表面。

9. 发明申请

US20090244762A1 RESIST PATTERN FORMING METHOD, MOLD STRUCTURE PRODUCING METHOD, MAGNETIC RECORDING MEDIUM PRODUCING METHOD, MAGNETIC TRANSFER METHOD AND MAGNETIC RECORDING MEDIUM 审中-公开
标题翻译：电阻图案形成方法，模具结构生产方法，磁记录介质制造方法，磁传输方法和磁记录介质
公开(公告)号：US20090244762A1
公开(公告)日：2009-10-01
申请号：US12413824
申请日：2009-03-30
申请人： Yoichi Nishida , Hideyuki Kubota , Kazuhiro Niitsuma , Kazuyuki Usuki
发明人： Yoichi Nishida , Hideyuki Kubota , Kazuhiro Niitsuma , Kazuyuki Usuki
IPC分类号： G11B5/02 , B29C39/00 , B44C1/22
CPC分类号： G11B5/82 , B82Y10/00 , G11B5/743 , G11B5/855
摘要： To provide a resist pattern forming method including: cleaning off fine powder at least on an edge of a base material to be processed; forming an imprint resist layer on a surface of the base material whose edge has been cleared of the fine powder; and forming a resist pattern on the surface of the base material by pressing, against the imprint resist layer, a concavo-convex pattern which is provided in a surface of a concavo-convex mold and which is composed of a plurality of convex portions and concave portions formed between the convex portions, so that the resist pattern is an inversion of the concavo-convex pattern.
摘要翻译：提供一种抗蚀剂图案形成方法，包括：至少在要处理的基材的边缘上清除细粉末; 在其边缘已经被微细粉末清除的基材的表面上形成耐压印层; 以及通过将压印抗蚀剂层压在凹凸模具的表面上并由多个凸部和凹部形成的凹凸图案，在基材的表面上形成抗蚀剂图案形成在凸部之间的部分，使得抗蚀剂图案是凹凸图案的反转。

10. 发明申请

US20070217047A1 Master medium for perpendicular magnetic transfer, method of perpendicular magnetic transfer, perpendicular magnetic recording medium and perpendicular magnetic recording apparatus 审中-公开
标题翻译：用于垂直磁转移的主介质，垂直磁转移方法，垂直磁记录介质和垂直磁记录装置
公开(公告)号：US20070217047A1
公开(公告)日：2007-09-20
申请号：US11716007
申请日：2007-03-09
申请人： Kenji Ichikawa , Toshihiro Usa , Kazuhiro Niitsuma , Tadashi Yasunaga , Sumio Kuroda , Tsugito Maruyama
发明人： Kenji Ichikawa , Toshihiro Usa , Kazuhiro Niitsuma , Tadashi Yasunaga , Sumio Kuroda , Tsugito Maruyama
IPC分类号： G11B5/86 , G11B5/82
CPC分类号： G11B5/865 , B82Y10/00 , G11B5/743 , G11B5/82
摘要： An aspect of the present invention provides a master medium for perpendicular magnetic transfer, comprising: a disk-like substrate on a surface of which a plurality of protruding magnetic-layer patterns corresponding to information to be transferred to a magnetic recording medium targeted for transfer are formed. In the master medium for perpendicular magnetic transfer, a ratio of a circumferential width L of the protruding magnetic-layer patterns to a circumferential gap S between the protruding magnetic-layer patterns is L/S
摘要翻译：本发明的一个方面提供了一种用于垂直磁转移的主介质，其特征在于，包括：一个表面上的盘状衬底，其中多个突出的磁性层图案对应于要传送到用于传送的磁记录介质的信息形成。在用于垂直磁转移的主介质中，突出磁层图案的周向宽度L与突出磁层图案之间的周向间隙S的比率为L / S <1。根据本发明的方面，可以进行良好的磁转移，因此可以获得没有缺陷并具有良好C / N比的垂直磁记录介质（从盘）。另外，可以进行良好的磁转移。

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