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1. 发明授权

US07357997B2 Powder for underlayer of coating-type magnetic recording medium and magnetic recording medium comprising the same 有权
标题翻译：涂层型磁记录介质的底层用粉末和包含该粉末的磁记录介质
公开(公告)号：US07357997B2
公开(公告)日：2008-04-15
申请号：US10507915
申请日：2003-04-02
申请人： Kazuyuki Matsumoto , Kenichi Inoue , Ken Inoue
发明人： Kazuyuki Matsumoto , Kenichi Inoue , Ken Inoue
IPC分类号： G11B5/733 , B32B5/16
CPC分类号： G11B5/738 , Y10T428/2982
摘要： A powder for an underlayer of a coating-type magnetic recording medium comprises acicular iron oxide particles having an average major axis length in the range of 20-200 nm, has a specific surface area measured by the BET method of 30-100 m2/g and has a powder pH of not greater than 7. The underlayer powder preferably contains 0.1-5.0 wt. % of P and optionally contains an amount of R (where R represents one or more rare earth elements, defined as including Y) such that R/Fe expressed in atomic percentage (at. %) is 0.1-10 at. %. The iron oxide powder enhances the properties required of a powder for forming the underlayer of a multi-layer structure coating-type magnetic recording tape, most notably the surface smoothness and strength of the tape.
摘要翻译：涂覆型磁记录介质的底层粉末包括平均长轴长度在20-200nm范围内的针状氧化铁颗粒，具有通过BET法测量的比表面积为30-100μm^{2 / g，粉末pH不大于7.底层粉末优选含有0.1-5.0wt。 P的％，并且任选地含有一定量的R（其中R表示一种或多种稀土元素，定义为包括Y），使得以原子百分比（at。％）表示的R / Fe为0.1-10at。％。氧化铁粉末增强了用于形成多层结构涂覆型磁记录带的底层的粉末所需的性能，最显着地是带的表面平滑度和强度。}

2. 发明申请

US20050158586A1 Powder for underlayer of coating type magnetic recording medium and magnetic recording medium comprising the same 有权
标题翻译：涂覆型磁记录介质的底层粉末和包含该粉末的磁记录介质
公开(公告)号：US20050158586A1
公开(公告)日：2005-07-21
申请号：US10507915
申请日：2003-04-02
申请人： Kazuyuki Matsumoto , Kenichi Inoue , Ken Inoue
发明人： Kazuyuki Matsumoto , Kenichi Inoue , Ken Inoue
IPC分类号： C01G49/06 , G11B5/738 , G11B5/68
CPC分类号： G11B5/738 , Y10T428/2982
摘要： A powder for an underlayer of a coating-type magnetic recording medium comprises acicular iron oxide particles having an average major axis length in the range of 20-200 nm, has a specific surface area measured by the BET method of 30-100 m2/g and has a powder pH of not greater than 7. The underlayer powder preferably contains 0.1-5.0 wt % of P and optionally contains an amount of R (where R represents one or more rare earth elements, defined as including Y) such that R/Fe expressed in atomic percentage (at. %) is 0.1-10 at. %. The iron oxide powder enhances the properties required of a powder for forming the underlayer of a multi-layer structure coating-type magnetic recording tape, most notably the surface smoothness and strength of the tape.
摘要翻译：涂覆型磁记录介质的底层粉末包括平均长轴长度在20-200nm范围内的针状氧化铁颗粒，具有通过BET法测量的比表面积为30-100μm^{2 / g，粉末pH不大于7.底层粉末优选含有0.1-5.0重量％的P，并且任选地含有一定量的R（其中R表示一种或多种稀土元素，定义为包括Y），使得以原子百分比（at。％）表示的R / Fe为0.1-10at。％氧化铁粉末增强了用于形成多层结构涂覆型磁记录带的底层的粉末所需的性能，最显着地是带的表面平滑度和强度。}

3. 发明申请

US20050129945A1 Powder for sublayer coating type magnetic recording medium 有权
标题翻译：用于亚层涂层型磁记录介质的粉末
公开(公告)号：US20050129945A1
公开(公告)日：2005-06-16
申请号：US10508033
申请日：2003-04-02
申请人： Kazuyuki Matsumoto , Kenichi Inoue , Ken Inoue
发明人： Kazuyuki Matsumoto , Kenichi Inoue , Ken Inoue
IPC分类号： C01G49/06 , G11B5/738 , B32B5/16 , C09C1/22
CPC分类号： G11B5/738 , Y10T428/2982
摘要： A powder for an underlayer of a coating-type magnetic recording medium, which powder comprises flat-acicular iron oxide particles having an average major axis length of 20-200 nm, a short axis cross-section taken perpendicularly to the long axis that has a long width and a short width, and a short axis cross-section ratio defined as the ratio of the long width to the short width that is greater than 1.3 and substantially uniform in the long axis direction, the powder having a specific surface area measured by the BET method of 30-100 m2/g. The underlayer powder preferably contains 0.1-5.0 wt % of P and, optionally, an amount of R(R representing one or more rare earth elements, defined as including Y) such that R/Fe expressed in atomic percentage (at. %) is 0.1-10 at. %.
摘要翻译：一种用于涂层型磁记录介质底层的粉末，该粉末包含平均长轴长度为20-200nm的扁平针状氧化铁颗粒，垂直于长轴的短轴截面为长宽度和短宽度，短轴截面比定义为长宽与短宽的比大于1.3并且在长轴方向上基本均匀，所述粉末的比表面积由 BET法为30-100m 2 / g。底层粉末优选含有0.1-5.0重量％的P和任选的R（R表示一个或多个稀土元素，定义为包括Y）的量，使得以原子百分比（at。％）表示的R / Fe为 0.1-10 at。％。

4. 发明授权

US07238438B2 Powder for underlayer of coating-type magnetic recording medium 有权
标题翻译：涂层型磁记录介质底层粉末
公开(公告)号：US07238438B2
公开(公告)日：2007-07-03
申请号：US10508033
申请日：2003-04-02
申请人： Kazuyuki Matsumoto , Kenichi Inoue , Ken Inoue
发明人： Kazuyuki Matsumoto , Kenichi Inoue , Ken Inoue
IPC分类号： G11B5/733 , B32B5/16
CPC分类号： G11B5/738 , Y10T428/2982
摘要： A powder for an underlayer of a coating-type magnetic recording medium, which powder comprises flat-acicular iron oxide particles having an average major axis length of 20–200 nm, a short axis cross-section taken perpendicularly to the long axis that has a long width and a short width, and a short axis cross-section ratio defined as the ratio of the long width to the short width that is greater than 1.3 and substantially uniform in the long axis direction, the powder having a specific surface area measured by the BET method of 30–100 m2/g. The underlayer powder preferably contains 0.1–5.0 wt % of P and, optionally, an amount of R(R representing one or more rare earth elements, defined as including Y) such that R/Fe expressed in atomic percentage (at. %) is 0.1–10 at. %.
摘要翻译：一种用于涂层型磁记录介质底层的粉末，该粉末包含平均长轴长度为20-200nm的扁平针状氧化铁颗粒，垂直于长轴的短轴截面为长宽度和短宽度，短轴截面比定义为长宽与短宽的比大于1.3并且在长轴方向上基本均匀，所述粉末的比表面积由 BET法为30-100m 2 / g。底层粉末优选含有0.1-5.0重量％的P和任选的R（R表示一个或多个稀土元素，定义为包括Y）的量，使得以原子百分比（at。％）表示的R / Fe为 0.1-10 at。％。

5. 发明授权

US07641990B2 Iron compound particles and magnetic recording medium using same 有权
标题翻译：铁化合物颗粒和使用其的磁记录介质
公开(公告)号：US07641990B2
公开(公告)日：2010-01-05
申请号：US11473065
申请日：2006-06-23
申请人： Shinichi Konno , Toshihiko Ueyama , Kenichi Inoue , Takayuki Yoshida , Ken Inoue
发明人： Shinichi Konno , Toshihiko Ueyama , Kenichi Inoue , Takayuki Yoshida , Ken Inoue
IPC分类号： G11B5/716
CPC分类号： C01G49/06 , B82Y30/00 , C01G49/02 , C01P2004/62 , C01P2004/64 , C01P2006/11 , C01P2006/12 , G11B5/738 , Y10T428/2982
摘要： Non-magnetic powder of particles for non-magnetic lower layer applications is provided that enables a multilayer coating type magnetic recording medium having good surface smoothness to be obtained. The particles are iron compound particles having a long axis with a standard geometrical deviation, as obtained from a transmission electron microscope image, that is greater than 1.5, and a short axis with a standard geometrical deviation, as obtained from a TEM image, that is greater than 1.35. The iron compound particles may be hematite or iron oxyhydroxide.
摘要翻译：提供了用于非磁性下层应用的非磁性粉末颗粒，能够获得具有良好表面平滑度的多层涂布型磁记录介质。颗粒是具有从透射电子显微镜图像获得的具有大于1.5的具有标准几何偏差的长轴的铁化合物颗粒和从TEM图像获得的具有标准几何偏差的短轴，即大于1.35。铁化合物颗粒可以是赤铁矿或羟基氧化铁。

6. 发明授权

US07357980B2 Nonmagnetic powder comprising acicular iron and having specific porosity for a magnetic recording medium, method of manufacturing same, and magnetic recording medium using same 有权
标题翻译：包含针状铁并且对于磁记录介质具有特定孔隙率的非磁性粉末，其制造方法和使用其的磁记录介质
公开(公告)号：US07357980B2
公开(公告)日：2008-04-15
申请号：US11206862
申请日：2005-08-19
申请人： Shinichi Konno , Kenichi Inoue , Toshihiko Ueyama , Ken Inoue
发明人： Shinichi Konno , Kenichi Inoue , Toshihiko Ueyama , Ken Inoue
IPC分类号： B32B5/16 , G11B5/708
CPC分类号： C09C1/24 , C01G49/06 , C01P2002/52 , C01P2006/12 , C01P2006/14 , C01P2006/16 , C01P2006/17 , C01P2006/22 , C01P2006/42 , G11B5/738 , Y10T428/257 , Y10T428/2982
摘要： A nonmagnetic powder, used for the nonmagnetic layer of a coated type magnetic recording medium having a multilayer structure, has good dispersibility in the binder in which it is dispersed to prepare a coating material that is applied to the nonmagnetic layer. The nonmagnetic powder has an iron compound as its principal component and exhibits a maximum pore volume value in a pore diameter range of 0.01 μm to 0.05 μm within a pore diameter range of 0.0018 μm to 0.1 μm in which the relationship between pore diameter and pore volume is calculated by a mercury injection method. The nonmagnetic powder exhibits a cumulative pore volume value in a pore diameter range of 0.0018 μm to 0.01 μm that is not more than 30% of the cumulative pore volume value in the pore diameter range of 0.0018 μm to 0.1 μm.
摘要翻译：用于具有多层结构的涂覆型磁记录介质的非磁性层的非磁性粉末在其分散的粘合剂中具有良好的分散性，从而制备施加到非磁性层上的涂层材料。非磁性粉末以铁化合物为主要成分，在孔径范围为0.0018〜0.1μm的孔径范围内，孔径范围为0.01μm〜0.05μm，孔径与孔体积的关系为最大孔体积值通过汞注入法计算。非磁性粉末的孔径范围为0.0018〜0.01μm的累积孔体积值为0.0018μm〜0.1μm的孔径范围的累积孔体积值的30％以下。

7. 发明申请

US20060234081A1 Multi-layer coating having excellent adhesion and sliding properties and production method thereof 有权
公开(公告)号：US20060234081A1
公开(公告)日：2006-10-19
申请号：US11375255
申请日：2006-03-15
申请人： Ken Inoue , Kenichi Inoue
发明人： Ken Inoue , Kenichi Inoue
IPC分类号： B32B15/04 , B32B19/00 , B32B9/00
CPC分类号： C23C14/0623 , C23C14/027 , C23C14/3464 , C23C14/352 , Y10T428/12576 , Y10T428/12806 , Y10T428/24975 , Y10T428/265
摘要： It is an object of the present invention to provide a multi-layer coating having excellent adhesion and sliding properties, which contains a hard layer having a main component of a nitride and/or carbonitride containing one or more elements selected from the group consisting of Ti, V, Zr, Cr, Nb, Si, Al and B and a lubricating layer consisting of a metal element and molybdenum disulfide on the hard layer wherein the lubricating layer has a graded composition in which the metal element has a decreasing content from the hard layer side towards the surface and the molybdenum disulfide has an increasing content, and wherein the lubricating layer has a maximum oxygen concentration of no greater than 25 atom %.

8. 发明申请

US20060040141A1 Nonmagnetic powder for a magnetic recording medium, method of manufacturing same, and magnetic recording medium using same 有权
标题翻译：用于磁记录介质的非磁性粉末，其制造方法和使用其的磁记录介质
公开(公告)号：US20060040141A1
公开(公告)日：2006-02-23
申请号：US11206862
申请日：2005-08-19
申请人： Shinichi Konno , Kenichi Inoue , Toshihiko Ueyama , Ken Inoue
发明人： Shinichi Konno , Kenichi Inoue , Toshihiko Ueyama , Ken Inoue
IPC分类号： G11B5/716
CPC分类号： C09C1/24 , C01G49/06 , C01P2002/52 , C01P2006/12 , C01P2006/14 , C01P2006/16 , C01P2006/17 , C01P2006/22 , C01P2006/42 , G11B5/738 , Y10T428/257 , Y10T428/2982
摘要： A nonmagnetic powder, used for the nonmagnetic layer of a coated type magnetic recording medium having a multilayer structure, has good dispersibility in the binder in which it is dispersed to prepare a coating material that is applied to the nonmagnetic layer. The nonmagnetic powder has an iron compound as its principal component and exhibits a maximum pore volume value in a pore diameter range of 0.01 μm to 0.05 μm within a pore diameter range of 0.0018 μm to 0.1 μm in which the relationship between pore diameter and pore volume is calculated by a mercury injection method. The nonmagnetic powder exhibits a cumulative pore volume value in a pore diameter range of 0.0018 μm to 0.01 μm that is not more than 30% of the cumulative pore volume value in the pore diameter range of 0.0018 μm to 0.1 μm.
摘要翻译：用于具有多层结构的涂覆型磁记录介质的非磁性层的非磁性粉末在其分散的粘合剂中具有良好的分散性，从而制备施加到非磁性层上的涂层材料。非磁性粉末以铁化合物为主要成分，在孔径范围为0.0018〜0.1μm的孔径范围内，孔径范围为0.01μm〜0.05μm，孔径与孔体积的关系为最大孔体积值通过汞注入法计算。非磁性粉末的孔径范围为0.0018〜0.01μm的累积孔体积值为0.0018μm〜0.1μm的孔径范围的累积孔体积值的30％以下。

9. 发明申请

US20070009737A1 Iron compound particles and magnetic recording medium using same 有权
标题翻译：铁化合物颗粒和使用其的磁记录介质
公开(公告)号：US20070009737A1
公开(公告)日：2007-01-11
申请号：US11473065
申请日：2006-06-23
申请人： Shinichi Konno , Toshihiko Ueyama , Kenichi Inoue , Takayuki Yoshida , Ken Inoue
发明人： Shinichi Konno , Toshihiko Ueyama , Kenichi Inoue , Takayuki Yoshida , Ken Inoue
IPC分类号： B32B9/00 , G11B5/33
CPC分类号： C01G49/06 , B82Y30/00 , C01G49/02 , C01P2004/62 , C01P2004/64 , C01P2006/11 , C01P2006/12 , G11B5/738 , Y10T428/2982
摘要： Non-magnetic powder of particles for non-magnetic lower layer applications is provided that enables a multilayer coating type magnetic recording medium having good surface smoothness to be obtained. The particles are iron compound particles having a long axis with a standard geometrical deviation, as obtained from a transmission electron microscope image, that is greater than 1.5, and a short axis with a standard geometrical deviation, as obtained from a TEM image, that is greater than 1.35. The iron compound particles may be hematite or iron oxyhydroxide.
摘要翻译：提供了用于非磁性下层应用的非磁性粉末颗粒，能够获得具有良好表面平滑度的多层涂布型磁记录介质。颗粒是具有从透射电子显微镜图像获得的具有大于1.5的具有标准几何偏差的长轴的铁化合物颗粒和从TEM图像获得的具有标准几何偏差的短轴，即大于1.35。铁化合物颗粒可以是赤铁矿或羟基氧化铁。

10. 发明授权

US07159640B2 Member used for casting 有权
标题翻译：会员用于铸造
公开(公告)号：US07159640B2
公开(公告)日：2007-01-09
申请号：US11198167
申请日：2005-08-08
申请人： Kenichi Inoue , Ken Inoue
发明人： Kenichi Inoue , Ken Inoue
IPC分类号： B22C3/00
CPC分类号： C23C14/0641 , B22D17/2209 , C23C14/06 , C23C28/044
摘要： A casting member comprising hot-die steel or high-speed steel as base material and having coating layers at least on its working plane, wherein the outermost layer among the coating layers consists essentially of at least one nitride, oxinitride or carnonitride composed mainly of V, and another coating layer comprising at least one nitride, oxinitride or carnonitride composed mainly of Cr is formed as a layer just above the base material. If necessary, an intermediate layer comprising at least one nitride, oxinitride or carnonitride composed mainly of V and Cr may be formed as a coating layer on the boundary surface between the outermost layer and the layer just above the base material. The thickness of the outermost layer is preferably 0.5 to 5.0 μm, the thickness of the layer just above the base material is preferably 0.5 to 3.0 μm, and the thickness of the intermediate layer is preferably 1.0 μm or less. Said casting member has excellent resistance to seizure, resistance to cracking and resistance to waste by melting.
摘要翻译：一种浇铸构件，其包括热模钢或高速钢作为基材并且至少在其工作平面上具有涂层，其中涂层中的最外层基本上由至少一种主要由V形成的氮化物，氮化物或碳氮化物组成，并且在基材的正上方形成包含至少一种主要由Cr组成的氮化物，氮氧化物或碳氮化物的另一涂层。如果需要，可以在最外层和刚好在基材上方的层之间的边界表面上形成包含至少一种主要由V和Cr组成的氮化物，氮氧化物或碳氮化物的中间层作为涂层。最外层的厚度优选为0.5〜5.0μm，刚好在基材上方的层的厚度优选为0.5〜3.0μm，中间层的厚度优选为1.0μm以下。所述浇铸构件具有优异的抗咬合性，耐开裂性和耐熔融性。

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