专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20050282038A1 Magnetic recording medium, method of manufacturing the same, and magnetic recording/reproduction apparatus 有权
标题翻译：磁记录介质及其制造方法以及磁记录/再现装置
公开(公告)号：US20050282038A1
公开(公告)日：2005-12-22
申请号：US11135258
申请日：2005-05-24
申请人： Takayuki Yamamoto , Masatoshi Sakurai , Yoshiyuki Kamata
发明人： Takayuki Yamamoto , Masatoshi Sakurai , Yoshiyuki Kamata
IPC分类号： B05D3/00 , G11B5/00 , G11B5/012 , G11B5/147 , G11B5/66 , G11B5/72 , G11B5/82 , G11B5/855
CPC分类号： B82Y10/00 , G11B5/012 , G11B5/72 , G11B5/743 , G11B5/82 , G11B5/855 , G11B2005/0029 , Y10T428/1164
摘要： A magnetic recording medium is obtained by easily patterning a magnetic recording layer without deteriorating its electromagnetic conversion characteristics, by forming a silicon-based protective film between the magnetic recording layer and a photoresist, and performing dry etching and oxygen plasma processing.
摘要翻译：通过在磁记录层和光致抗蚀剂之间形成硅基保护膜，进行干法蚀刻和氧等离子体处理，可以通过在不损害其电磁转换特性的情况下容易地构图磁记录层而获得磁记录介质。

2. 发明授权

US07572528B2 Magnetic recording medium, method of manufacturing the same, and magnetic recording/reproduction apparatus 有权
标题翻译：磁记录介质及其制造方法以及磁记录/再现装置
公开(公告)号：US07572528B2
公开(公告)日：2009-08-11
申请号：US11135258
申请日：2005-05-24
申请人： Takayuki Yamamoto , Masatoshi Sakurai , Yoshiyuki Kamata
发明人： Takayuki Yamamoto , Masatoshi Sakurai , Yoshiyuki Kamata
IPC分类号： G11B5/66 , G11B5/82 , G11B23/03
CPC分类号： B82Y10/00 , G11B5/012 , G11B5/72 , G11B5/743 , G11B5/82 , G11B5/855 , G11B2005/0029 , Y10T428/1164
摘要： A magnetic recording medium is obtained by easily patterning a magnetic recording layer without deteriorating its electromagnetic conversion characteristics, by forming a silicon-based protective film between the magnetic recording layer and a photoresist, and performing dry etching and oxygen plasma processing.
摘要翻译：通过在磁记录层和光致抗蚀剂之间形成硅基保护膜，进行干法蚀刻和氧等离子体处理，可以通过在不损害其电磁转换特性的情况下容易地构图磁记录层而获得磁记录介质。

3. 发明申请

US20090142620A1 MAGNETIC RECORDING MEDIUM, METHOD OF MANUFACTURING THE SAME, AND MAGNETIC RECORDING/REPRODUCING APPARATUS 审中-公开
标题翻译：磁记录介质，其制造方法和磁记录/再现装置
公开(公告)号：US20090142620A1
公开(公告)日：2009-06-04
申请号：US12363078
申请日：2009-01-30
申请人： Takayuki Yamamoto , Masatoshi Sakurai , Yoshiyuki Kamata
发明人： Takayuki Yamamoto , Masatoshi Sakurai , Yoshiyuki Kamata
IPC分类号： G11B5/33 , G03F7/20
CPC分类号： B82Y10/00 , G11B5/012 , G11B5/72 , G11B5/743 , G11B5/82 , G11B5/855 , G11B2005/0029 , Y10T428/1164
摘要： A magnetic recording medium is obtained by easily patterning a magnetic recording layer without deteriorating its electromagnetic conversion characteristics, by forming a silicon-based protective film between the magnetic recording layer and a photoresist, and performing dry etching and oxygen plasma processing.
摘要翻译：通过在磁记录层和光致抗蚀剂之间形成硅基保护膜，进行干法蚀刻和氧等离子体处理，可以通过在不损害其电磁转换特性的情况下容易地构图磁记录层而获得磁记录介质。

4. 发明授权

US08507116B2 Magnetic recording medium and manufacturing method thereof 有权
标题翻译：磁记录介质及其制造方法
公开(公告)号：US08507116B2
公开(公告)日：2013-08-13
申请号：US13175485
申请日：2011-07-01
申请人： Takeshi Iwasaki , Kaori Kimura , Yoshiyuki Kamata , Masatoshi Sakurai
发明人： Takeshi Iwasaki , Kaori Kimura , Yoshiyuki Kamata , Masatoshi Sakurai
IPC分类号： G11B5/127
CPC分类号： G11B5/8404 , G11B5/746 , G11B5/82 , G11B5/855 , Y10T428/11
摘要： According to one embodiment, a magnetic recording medium includes a substrate, a soft magnetic layer, an underlayer, a magnetic recording layer, and a protective layer, wherein the magnetic recording layer is provided with a pattern including recording portions and non-recording portions, the non-recording portions have a composition that is equal to a composition obtained by demagnetizing the recording portions, the non-recording portions contain at least one metal element selected from the group consisting of vanadium and zirconium and at least one element selected from the group consisting of nitrogen, carbon, boron and oxygen, and the at least one element selected from the group consisting of nitrogen, carbon, boron and oxygen is contained in the non-recording portions at a higher content than the content of the at least one element selected from the group consisting of nitrogen, carbon, boron and oxygen in the recording portions.
摘要翻译：根据一个实施例，磁记录介质包括衬底，软磁层，底层，磁记录层和保护层，其中磁记录层设置有包括记录部分和非记录部分的图案，非记录部分的组成等于通过使记录部分退磁获得的组合物，非记录部分含有至少一种选自钒和锆的金属元素和至少一种选自组中的元素由氮，碳，硼和氧组成，并且所述至少一种选自氮，碳，硼和氧的元素以比所述至少一种元素的含量更高的含量包含在非记录部分中在记录部分中选自氮，碳，硼和氧。

5. 发明授权

US08440091B2 Magnetic recording medium and method of manufacturing the same 失效
标题翻译：磁记录介质及其制造方法
公开(公告)号：US08440091B2
公开(公告)日：2013-05-14
申请号：US12638841
申请日：2009-12-15
申请人： Kaori Kimura , Yoshiyuki Kamata , Satoshi Shirotori , Masatoshi Sakurai
发明人： Kaori Kimura , Yoshiyuki Kamata , Satoshi Shirotori , Masatoshi Sakurai
IPC分类号： B44C1/22 , G11B5/82
CPC分类号： G11B5/855
摘要： According to one embodiment, a method of manufacturing a magnetic recording medium comprises forming a protective film on a ferromagnetic recording layer containing Cobalt (Co) on a substrate and forming a recess in both the protective film and the ferromagnetic recording layer at a part where a nonmagnetic layer is to be formed. The method further comprises removing Co from a part of the recess of the ferromagnetic recording layer to form the nonmagnetic layer that separates magnetic patterns made of the ferromagnetic recording layer containing Co. The nonmagnetic layer has an identical chemical composition as the ferromagnetic recording layer, except for the nonmagnetic layer having a lower Co concentration than the magnetic patterns.
摘要翻译：根据一个实施例，制造磁记录介质的方法包括在包含钴（Co）的铁磁记录层上形成保护膜，并在保护膜和铁磁记录层中形成凹部，将形成非磁性层。该方法还包括从铁磁记录层的凹部的一部分去除Co以形成分离由含有Co的铁磁记录层制成的磁图案的非磁性层。非磁性层具有与铁磁记录层相同的化学成分，对于具有比磁图案低的Co浓度的非磁性层。

6. 发明授权

US08318331B2 Magnetic recording medium, method for manufacturing the same, and magnetic recording apparatus 有权
标题翻译：磁记录介质，其制造方法和磁记录装置
公开(公告)号：US08318331B2
公开(公告)日：2012-11-27
申请号：US11942904
申请日：2007-11-20
申请人： Masatoshi Sakurai , Yoshiyuki Kamata , Satoshi Shirotori
发明人： Masatoshi Sakurai , Yoshiyuki Kamata , Satoshi Shirotori
IPC分类号： G11B5/127 , G11B5/82 , G09B5/228 , G09B5/293 , G09B5/306
CPC分类号： G11B5/82 , B82Y10/00 , G11B5/59688 , G11B5/743 , G11B5/855
摘要： According to one embodiment, a magnetic recording medium includes a substrate, and a magnetic recording layer formed on the substrate and having patterns of protrusions and recesses corresponding to a servo area and a recording area, in which the magnetic recording layer located in each of the recesses in the recording area has a thickness smaller than two thirds of a thickness of the magnetic recording layer corresponding to each of the protrusions, the magnetic recording layer remaining in each of the recesses in the recording area has a thickness of 1 nm or more, and a difference in height on a surface of the magnetic recording medium is 7 nm or less.
摘要翻译：根据一个实施例，磁记录介质包括基板和形成在基板上并具有对应于伺服区域和记录区域的突起和凹槽的图案的磁记录层，其中磁记录层位于每个记录区域中的凹部的厚度小于与每个突起相对应的磁记录层的厚度的三分之二，记录区域中每个凹槽中残留的磁记录层的厚度为1nm以上，并且磁记录介质的表面上的高度差为7nm以下。

7. 发明授权

US08153205B2 Patterned medium and method of manufacturing the same 有权
标题翻译：图案化介质及其制造方法
公开(公告)号：US08153205B2
公开(公告)日：2012-04-10
申请号：US12713022
申请日：2010-02-25
申请人： Akira Kikitsu , Yoshiyuki Kamata , Masatoshi Sakurai
发明人： Akira Kikitsu , Yoshiyuki Kamata , Masatoshi Sakurai
IPC分类号： C08F2/48
CPC分类号： G11B5/855
摘要： According to one embodiment, a method of manufacturing a patterned medium includes depositing a magnetic recording layer and applying an ultraviolet curable resin on both surfaces of a medium substrate, pressing a first resin stamper and a second resin stamper each including patterns of recesses and protrusions, corresponding to a patterned medium, against both surfaces of the medium substrate in such a manner that a direction from a center of the medium substrate toward a center of the first resin stamper is off-oriented from a direction from the center of the medium substrate toward a center of the second resin stamper to imprint the patterns of recesses and protrusions on the ultraviolet curable resin, and irradiating the ultraviolet curable resin with an ultraviolet ray through each of the first and second resin stampers to cure the ultraviolet curable resin.
摘要翻译：根据一个实施例，一种制造图案化介质的方法包括沉积磁记录层并在介质基板的两个表面上施加紫外线固化树脂，压制每个包括凹凸图案的第一树脂压模和第二树脂压模，对应于图案化的介质，以介质基板的中心朝向第一树脂压模的中心的方向从介质基板的中心朝向所述第二树脂压模的中心在所述紫外线固化树脂上印刷凹凸图案，并且通过所述第一和第二树脂印模机中的每一个照射所述紫外线固化树脂以固化所述紫外线固化树脂。

8. 发明授权

US08059368B2 Substrate for magnetic recording medium, magnetic recording medium, and magnetic recording apparatus 有权
标题翻译：用于磁记录介质的基板，磁记录介质和磁记录装置
公开(公告)号：US08059368B2
公开(公告)日：2011-11-15
申请号：US12801299
申请日：2010-06-02
申请人： Kaori Kimura , Masatoshi Sakurai , Akira Kikitsu , Yoshiyuki Kamata , Satoshi Shirotori , Hiroyuki Hieda
发明人： Kaori Kimura , Masatoshi Sakurai , Akira Kikitsu , Yoshiyuki Kamata , Satoshi Shirotori , Hiroyuki Hieda
IPC分类号： G11B5/82
CPC分类号： G11B5/82 , B82Y10/00 , G11B5/667 , G11B5/743 , G11B5/855 , G11B5/865
摘要： It is possible to improve the recording and reproducing S/N ratio, the reproduction signal intensity, and the degree of high density recording. There are provided a plurality of recording tracks formed on a substrate, each recording track being formed of a magnetic material, and non-recording sections formed on the substrate, each non-recording section separating adjacent recording tracks, each recording track including a plurality of recording sections and connecting sections for connecting the recording sections adjacent thereto in a track longitudinal direction, and each connecting section having a cross-sectional area in a track width direction that is smaller than a cross-sectional area in a track width direction of adjacent recording sections.
摘要翻译：可以改善记录和再现S / N比，再现信号强度和高密度记录程度。提供了形成在基板上的多个记录轨道，每个记录磁道由磁性材料形成，而非记录部分形成在基板上，每个非记录部分分隔相邻的记录磁道，每个记录磁道包括多个记录部分和连接部分，用于在轨道纵向方向上连接与其相邻的记录部分，并且每个连接部分在轨道宽度方向上的横截面积小于相邻记录的轨道宽度方向上的横截面积部分。

9. 发明申请

US20110235212A1 METHOD OF MANUFACTURING MAGNETIC RECORDING MEDIUM 有权
标题翻译：制造磁记录介质的方法
公开(公告)号：US20110235212A1
公开(公告)日：2011-09-29
申请号：US13007395
申请日：2011-01-14
申请人： Masatoshi Sakurai , Kaori Kimura , Yousuke Isowaki , Akira Watanabe , Yoshiyuki Kamata
发明人： Masatoshi Sakurai , Kaori Kimura , Yousuke Isowaki , Akira Watanabe , Yoshiyuki Kamata
IPC分类号： G11B5/82 , C25F3/02
CPC分类号： G11B5/82 , B82Y10/00 , G11B5/743 , G11B5/855 , Y10T428/12465
摘要： According to one embodiment, a method of manufacturing a magnetic recording medium includes forming on a magnetic recording layer a first hard mask, a second hard mask, a third hard mask and a resist, imprinting the resist with a stamper, removing a residue left in the recesses of the patterned resist, etching the third hard mask by use of the patterned resist as a mask, etching the second hard mask by use of the third hard mask as a mask, etching the first hard mask by use of the second hard mask as a mask, forming a pattern of the magnetic recording layer with ion beam irradiation, and removing the first hard mask by use of a remover liquid with higher reactivity to the metal material of the first hard mask than to a constituent element of the magnetic recording layer.
摘要翻译：根据一个实施例，制造磁记录介质的方法包括在磁记录层上形成第一硬掩模，第二硬掩模，第三硬掩模和抗蚀剂，用压模压印抗蚀剂，除去留在图案化抗蚀剂的凹部，通过使用图案化的抗蚀剂作为掩模蚀刻第三硬掩模，通过使用第三硬掩模作为掩模蚀刻第二硬掩模，通过使用第二硬掩模蚀刻第一硬掩模作为掩模，通过离子束照射形成磁记录层的图案，并且通过使用对第一硬掩模的金属材料具有较高反应性的去除剂液体除去第一硬掩模，而不是磁记录的构成元件层。

10. 发明授权

US07993536B2 Method of manufacturing magnetic recording medium 有权
标题翻译：磁记录介质的制造方法
公开(公告)号：US07993536B2
公开(公告)日：2011-08-09
申请号：US12636610
申请日：2009-12-11
申请人： Yousuke Isowaki , Kaori Kimura , Yoshiyuki Kamata , Masatoshi Sakurai
发明人： Yousuke Isowaki , Kaori Kimura , Yoshiyuki Kamata , Masatoshi Sakurai
IPC分类号： B44C1/22
CPC分类号： G11B5/82 , B82Y10/00 , G11B5/743 , G11B5/746 , G11B5/855
摘要： According to one embodiment, a method of manufacturing a magnetic recording medium includes forming a first hard mask, a second hard mask and a resist film on a magnetic recording layer, imprinting a stamper on the resist film to transfer patterns of recesses and protrusions, removing residues remained in recess of the patterned resist film, etching the second hard mask using the patterned resist film as a mask to transfer patterns of recesses and protrusions, etching the first hard mask using the patterned second hard mask as a mask to transfer patterns of recesses and protrusions, and deactivating magnetism of the magnetic recording layer exposed in the recesses together with removing the second hard mask by ion-beam etching.
摘要翻译：根据一个实施例，制造磁记录介质的方法包括在磁记录层上形成第一硬掩模，第二硬掩模和抗蚀剂膜，在抗蚀剂膜上压印印模以转印凹凸图案，去除残留物保留在图案化抗蚀剂膜的凹部中，使用图案化的抗蚀剂膜作为掩模蚀刻第二硬掩模以转移凹凸和突起的图案，使用图案化的第二硬掩模作为掩模蚀刻第一硬掩模以转移凹槽的图案和突起，并且通过离子束蚀刻去除第二硬掩模，使暴露于凹部中的磁记录层的磁性失活。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式