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公开(公告)号：US06714367B1
公开(公告)日：2004-03-30
申请号：US09555583
申请日：2000-08-07
IPC分类号： G11B586
摘要： A master information carrier has a shape pattern corresponding to an information signal array to be recorded on a magnetic recording medium, and the shape pattern is provided by arraying a ferromagnetic thin film deposited on a nonmagnetic substrate surface. The ferromagnetic thin film is either a soft magnetic film or semihard magnetic film having not more than 40 kA/m coercive force in track length direction of the information signals, and residual magnetization of the ferromagnetic thin film in the track length direction of the information signals is greater than coercive force of the magnetic recording medium. As a result, a master information carrier with superior magnetic recording performance can be obtained.
摘要翻译： 主信息载体具有对应于要记录在磁记录介质上的信息信号阵列的形状图案，并且通过排列沉积在非磁性基板表面上的铁磁性薄膜来提供形状图案。 铁磁性薄膜是在信息信号的轨道长度方向上具有不超过40kA / m矫顽力的软磁性膜或半硬磁性薄膜，以及信息信号的磁道长度方向上的铁磁性薄膜的剩余磁化 大于磁记录介质的矫顽力。 结果，可以获得具有优良磁记录性能的主信息载体。
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公开(公告)号：US06567227B2
公开(公告)日：2003-05-20
申请号：US10108029
申请日：2002-03-26
申请人： Tatsuaki Ishida , Ryuji Sugita , Kiyokazu Tohma , Kazunari Yoshimoto , Keizou Miyata , Hiroshi Ryonai
发明人： Tatsuaki Ishida , Ryuji Sugita , Kiyokazu Tohma , Kazunari Yoshimoto , Keizou Miyata , Hiroshi Ryonai
IPC分类号： G11B586
CPC分类号： G11B5/64 , G11B5/59638 , G11B5/59655 , G11B5/855 , G11B5/865
摘要： A master information carrier comprises a substrate whose surface has an embossed pattern corresponding to an information signal. At least a surface of the protruding portion of the embossed pattern is made of a ferromagnetic material. A method for writing an information signal into a sheet or disk magnetic record medium with a ferromagnetic thin film or coating is performed by putting the surface of the magnetic record medium into contact with the master information carrier so as to write a magnetized pattern corresponding to the embossed pattern of the master information carrier into the magnetic record medium.
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3.发明申请Method for producing optical element, optical element, and optical element array 审中-公开光学元件，光学元件和光学元件阵列的制造方法公开(公告)号：US20060073626A1
公开(公告)日：2006-04-06
申请号：US10545281
申请日：2004-02-18
申请人： Yoshiyuki Shimizu , Jun Murata , Motonobu Yoshikawa , Atsushi Ashino , Shoji Nakamura , Hiroshi Ryonai , Masaaki Sunohara
发明人： Yoshiyuki Shimizu , Jun Murata , Motonobu Yoshikawa , Atsushi Ashino , Shoji Nakamura , Hiroshi Ryonai , Masaaki Sunohara
IPC分类号： H01L21/00
CPC分类号： G02B3/005 , C03B11/082 , C03B2215/412 , C03B2215/414 , C03B2215/60 , C03B2215/72 , G02B3/0075
摘要： A method for manufacturing an optical element comprises a step of press molding an optical element material 6 disposed between an upper press head (7) and its paired lower press head (8), wherein in the upper press head (7) and/or the lower press head (8) is formed a groove-like component that forms a non-cylindrical face or a cylindrical face as an optically effective component in the optical element material (6). This makes it possible to obtain an optical element with stable face shape precision, boosts productivity, and is also advantageous in terms of cost.
摘要翻译： 一种用于制造光学元件的方法包括对设置在上压头（7）与其一对下压头（8）之间的光学元件材料6进行加压成型的步骤，其中在上压头（7）和/或 下压头（8）形成为在光学元件材料（6）中形成非圆柱面或圆柱面作为光学有效成分的槽状部件。 这使得可以获得具有稳定的面形精度的光学元件，提高生产率，并且在成本方面也是有利的。
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公开(公告)号：US06242085B1
公开(公告)日：2001-06-05
申请号：US09153579
申请日：1998-09-15
IPC分类号： G11B566
CPC分类号： G11B5/656 , G11B5/851 , G11B5/855 , Y10S428/90 , Y10T428/26 , Y10T428/265
摘要： An underlying layer is formed of Cr or the like on a glass substrate, and a magnetic layer is formed on the underlying layer by simultaneously sputtering a magnetic substance and a non-magnetic substance that does not form a solid solution with the magnetic substance in an atmosphere having a pressure of 30 mTorr to 75 mTorr. The magnetic recording medium comprises clusters, each of which is formed of aggregated magnetic grains, and a non-magnetic substance between the clusters. Each magnetic grain has a grain diameter of 5 nm to 20 nm. An average gap between the clusters is 1.5 nm to 5 nm. Thus, the present invention can provide a magnetic recording medium having a high S/N ratio that is suitable for high density recording.
摘要翻译： 在玻璃基板上由Cr等形成下层，通过同时将磁性物质和不与磁性物质形成固溶体的非磁性物质同时溅射在基底层上而形成磁性层 压力为30mTorr至75mTorr的气氛。 磁记录介质包括由聚集的磁性颗粒形成的簇和簇之间的非磁性物质。 每个磁性颗粒具有5nm至20nm的粒径。 簇之间的平均间隙为1.5nm至5nm。 因此，本发明可以提供适用于高密度记录的具有高S / N比的磁记录介质。
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5.发明授权
公开(公告)号：US5475552A
公开(公告)日：1995-12-12
申请号：US98836
申请日：1993-07-29
申请人： Shogo Nasu , Hiroshi Ryonai
发明人： Shogo Nasu , Hiroshi Ryonai
CPC分类号： G11B5/10 , C23C14/0641 , C23C14/54 , G11B5/255 , G11B5/3106
摘要： A magnetic head is provided with a protective film of chromium nitride on its sliding surface. The film thickness is set to have no adverse effect upon the electromagnetic conversion characteristics of the head, and the film has sufficient wear resistance not only against a magnetic tape having its sliding surface formed of iron oxide or other metallic magnetic substances, but also against a magnetic tape having its sliding surface formed of chrome oxide, the chrome oxide substance having a strong abrasion effect upon the magnetic head. The protective film has a compressive internal stress in a range of 10.sup.9 to 10.sup.11 dynes/cm.sup.2, a Knoop hardness of not less than 1500 kgf/mm.sup.2, a nitrogen composition ratio in a range of 20 to 60 atom %, and a film thickness in a range of 50 to 1000.ANG..
摘要翻译： 磁头在其滑动表面上设置有氮化铬保护膜。 膜厚被设定为对头部的电磁转换特性没有不利影响，并且该膜不仅具有足够的耐磨性，而且对具有由氧化铁或其它金属磁性物质形成的滑动表面的磁带也具有足够的耐磨性， 该磁带具有由氧化铬形成的滑动表面，该氧化铬物质在磁头上具有很强的磨损效果。 保护膜的压缩内应力为109〜1011达因/平方厘米，诺普硬度为1500kgf / mm2以上，氮组成比为20〜60原子％，膜厚为 范围在50到1000安吉拉姆。
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公开(公告)号：US06858328B1
公开(公告)日：2005-02-22
申请号：US09646139
申请日：1999-03-18
申请人： Tatsuaki Ishida , Kiyokazu Tohma , Keizo Miyata , Yoriko Takai , Taizou Hamada , Hiroshi Ryonai
发明人： Tatsuaki Ishida , Kiyokazu Tohma , Keizo Miyata , Yoriko Takai , Taizou Hamada , Hiroshi Ryonai
IPC分类号： G11B5/73 , G11B5/127 , G11B5/55 , G11B5/596 , G11B5/64 , G11B5/72 , G11B5/738 , G11B5/82 , G11B5/84 , G11B5/855 , G11B5/86 , G11B5/66 , B05D5/12 , G11B5/70 , H01F1/00
CPC分类号： G11B5/865 , B82Y10/00 , G11B5/656 , G11B5/72 , G11B5/743 , G11B5/82 , G11B5/8408 , G11B5/855 , Y10S428/90
摘要： A master information carrier with excellent durability is provided, for the use of static and a real lump-sum recording of digital information signals on magnetic recording medium. The master information carrier comprises a non-magnetic substrate on which a ferromagnetic film is disposed with an embossed pattern. Protrusions of the embossed pattern correspond to a disposition of the digital information signals.Recessed portions of the embossed pattern of the ferromagnetic film are filled with non-magnetic solid material. Alternately, A non-magnetic substrate has an embossed pattern and recessed portions of the embossed pattern correspond to a disposition of the digital information signals. A ferromagnetic film is filled in the recessed portions of the embossed pattern.
摘要翻译： 提供了具有优异耐久性的主信息载体，用于在磁记录介质上使用静态和数字信息信号的实际一次总计记录。 主信息载体包括其上以压花图案设置铁磁膜的非磁性基板。 浮雕图案的突起对应于数字信息信号的布置。铁磁膜的压花图案的凹入部分填充有非磁性固体材料。 或者，非磁性基板具有压花图案，并且压花图案的凹部对应于数字信息信号的布置。 铁氧体膜填充在压纹图案的凹部中。
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公开(公告)号：US06606209B2
公开(公告)日：2003-08-12
申请号：US10108032
申请日：2002-03-26
申请人： Tatsuaki Ishida , Ryuji Sugita , Kiyokazu Tohma , Keizou Miyata , Hiroshi Ryonai
发明人： Tatsuaki Ishida , Ryuji Sugita , Kiyokazu Tohma , Keizou Miyata , Hiroshi Ryonai
IPC分类号： G11B586
CPC分类号： G11B5/64 , G11B5/59638 , G11B5/59655 , G11B5/855 , G11B5/865
摘要： A master information carrier comprises a substrate whose surface has an embossed pattern corresponding to an information signal. At least a surface of the protruding portion of the embossed pattern is made of a ferromagnetic material. A method for writing an information signal into a sheet or disk magnetic record medium with a ferromagnetic thin film or coating is performed by putting the surface of the magnetic record medium into contact with the master information carrier so as to write a magnetized pattern corresponding to the embossed pattern of the master information carrier into the magnetic record medium.
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公开(公告)号：US06529341B1
公开(公告)日：2003-03-04
申请号：US09530314
申请日：2000-07-25
IPC分类号： G11B509
CPC分类号： B82Y10/00 , G11B5/012 , G11B5/5526 , G11B5/59633 , G11B5/59688 , G11B5/743 , G11B5/746 , G11B5/82 , G11B5/865 , G11B27/3027 , G11B2220/20
摘要： A magnetic disk for a magnetic recording/reproduction device includes a magnetic head, wherein a magnetization bit-pattern corresponding to a preformat information signal is recorded beforehand on the magnetic disk, wherein the magnetization bit-pattern is recorded by contacting a surface of the magnetic disk with a surface of a master information carrier having a pattern corresponding to the preformat information signal, and a portion of the magnetization bit-pattern corresponding to at least one signal selected from a clock signal and a synchronous signal has a recording width that is larger than a recording track width of the magnetic head in a radial direction of the magnetic disk.
摘要翻译： 用于磁记录/再现装置的磁盘包括磁头，其中预先对应于预格式化信息信号的磁化位模式被预先记录在磁盘上，其中磁化位模式通过使磁性记录/再现装置的表面接触来记录 具有与预格式信息信号对应的图案的主信息载体的表面的磁盘，并且与从时钟信号和同步信号中选择的至少一种信号相对应的磁化位模式的一部分具有较大的记录宽度 比磁头在磁盘的径向方向上的记录磁道宽度大。
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9.发明授权Master information carrier, method for producing the carrier, method and apparatus for writing information into magnetic record medium using the carrier 失效主信息载体，用于生成载体的方法，使用载体将信息写入磁记录介质的方法和装置公开(公告)号：US06961196B2
公开(公告)日：2005-11-01
申请号：US10396674
申请日：2003-03-25
申请人： Tatsuaki Ishida , Ryuji Sugita , Kiyokazu Tohma , Kazunari Yoshimoto , Keizou Miyata , Hiroshi Ryonai
发明人： Tatsuaki Ishida , Ryuji Sugita , Kiyokazu Tohma , Kazunari Yoshimoto , Keizou Miyata , Hiroshi Ryonai
CPC分类号： G11B5/64 , G11B5/59638 , G11B5/59655 , G11B5/855 , G11B5/865
摘要： A master information carrier comprises a substrate whose surface has an embossed pattern corresponding to an information signal. At least a surface of the protruding portion of the embossed pattern is made of a ferromagnetic material. A method for writing an information signal into a sheet or disk magnetic record medium with a ferromagnetic thin film or coating is performed by putting the surface of the magnetic record medium into contact with the master information carrier so as to write a magnetized pattern corresponding to the embossed pattern of the master information carrier into the magnetic record medium.
摘要翻译： 主信息载体包括其表面具有对应于信息信号的压纹图案的基板。 浮雕图案的突出部分的至少一个表面由铁磁材料制成。 通过使磁记录介质的表面与主信息载体接触，将信息信号写入具有铁磁薄膜或涂层的片或磁盘记录介质的方法，以写入对应于 主信息载体的压花图案进入磁记录介质。
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公开(公告)号：US06611388B1
公开(公告)日：2003-08-26
申请号：US09646138
申请日：2000-09-13
申请人： Keizo Miyata , Tatsuaki Ishida , Taizou Hamada , Kiyokazu Tohma , Hiroshi Ryonai
发明人： Keizo Miyata , Tatsuaki Ishida , Taizou Hamada , Kiyokazu Tohma , Hiroshi Ryonai
IPC分类号： G11B586
CPC分类号： G11B5/5526 , G11B5/00 , G11B5/59633 , G11B5/59688 , G11B5/82 , G11B5/865
摘要： A master-information magnetic recording apparatus for recording preformat information signals into a magnetic recording medium using a ferromagnetic film pattern formed on a master information carrier, in which the pattern corresponds to the preformat information signals. With the master information carrier in contact with the magnetic recording medium, the ferromagnetic film pattern is magnetized by a magnetic field applying device. Thus, the preformat information signals are recorded into the magnetic recording medium. The magnetic field applying device is so constructed that the direction of magnetizing the ferromagnetic film pattern is perpendicular to a track-scanning orbit of a magnetic head in a recording and reproducing apparatus in which the magnetic recording medium is installed. It enables the magnetic head to gain sufficient reproduction amplitude for track-scanning for reproducing the information signals.
摘要翻译： 一种主信息磁记录装置，用于使用形成在主信息载体上的铁磁膜图案将预格式化信息信号记录到磁记录介质中，其中图案对应于预格式化信息信号。 在主信息载体与磁记录介质接触的情况下，铁磁膜图案被磁场施加装置磁化。 因此，预格式化信息信号被记录在磁记录介质中。 磁场施加装置的结构使得铁磁膜图案的磁化方向垂直于安装有磁记录介质的记录和再现装置中的磁头的轨道扫描轨道。 它使磁头能够获得足够的再现幅度，用于轨道扫描以再现信息信号。
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