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公开(公告)号：US06735047B1
公开(公告)日：2004-05-11
申请号：US10110517
申请日：2002-04-11
IPC分类号： G11B5147
CPC分类号： G11B5/537 , G11B5/0086 , G11B5/105 , G11B5/133 , G11B5/147 , G11B5/1475 , G11B5/255 , G11B5/53 , G11B15/61 , G11B15/62
摘要： A magnetic head that is less prone to wear and has a long still duration and a magnetic recording/reproducing apparatus including a high-speed rotary drum unit using the same are provided. Thus, in a magnetic head including two magnetic core halves 4 and 8, each including at least one magnetic film 2, 6 made of a soft magnetic metallic material and a pair of substrates 1, 3 and 5, 7 sandwiching the magnetic film, arranged so that end faces thereof oppose each other with a magnetic gap 9 being formed therebetween to form a magnetic path by the magnetic film in each of the magnetic core halves, at least a part of a sliding surface of each substrate with respect to a magnetic tape is made of a non-magnetic single crystal ferrite material and a crystal face orientation of the non-magnetic single crystal ferrite material at the sliding surface is set to be approximately {110} while a direction of the non-magnetic single crystal ferrite material is approximately in parallel with a sliding direction of the magnetic head with respect to the magnetic tape.
摘要翻译： 提供一种不容易磨损并且具有长持续时间的磁头和包括使用其的高速旋转鼓单元的磁记录/再现装置。 因此，在包括两个磁性体半部分4和8的磁头中，每个包括至少一个由软磁性金属材料制成的磁膜2,6和夹着磁性膜的一对基板1,3,5,7布置 使得其端面彼此相对，其间形成有磁隙9，以通过每个磁芯半部中的磁性膜形成磁路，每个基板的滑动表面的至少一部分相对于磁带 由非磁性单晶铁氧体材料制成，并且非磁性单晶铁氧体材料在滑动面处的晶面取向被设定为约{110}，而非磁性单晶的<110>方向 铁氧体材料大致与磁头相对于磁带的滑动方向平行。
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2.发明授权Magnetic head with multilayer film including metal magnetic films and non-magnetic films and magnetic recording/reproducing device 失效具有包括金属磁膜和非磁性膜以及磁记录/再现装置的多层膜的磁头公开(公告)号：US07304822B2
公开(公告)日：2007-12-04
申请号：US10523104
申请日：2003-08-21
申请人： Koichi Osano , Akinaga Natsui , Shunsaku Muraoka , Noboru Itoh , Syouzou Ninomiya , Kenji Hasegawa
发明人： Koichi Osano , Akinaga Natsui , Shunsaku Muraoka , Noboru Itoh , Syouzou Ninomiya , Kenji Hasegawa
CPC分类号： G11B5/1878 , G11B5/0086 , G11B5/02 , G11B5/1276 , G11B5/53
摘要： In a magnetic head, a multilayer film is disposed, the multilayer film including metal magnetic films and non-magnetic films that are alternately laminated, and a boundary between the multilayer film and a magnetic oxide substrate or a non-magnetic substrate on which the multilayer film is to be formed is parallel with a gap section at a surface of the magnetic head for sliding with respect to a magnetic recording medium. The metal magnetic films constituting the multilayer film have two or more types of thickness, or the metal magnetic films constituting the multilayer film have a uniform thickness, and the uniform thickness t satisfies t
摘要翻译： 在磁头中，设置多层膜，所述多层膜包括交替层叠的金属磁性膜和非磁性膜，以及多层膜与磁性氧化物基板或非磁性基板之间的边界，其上形成有多层膜 要形成的膜与磁头表面上的与磁记录介质滑动的间隙平行。 构成多层膜的金属磁性膜具有两种以上的厚度，构成多层膜的金属磁性膜的厚度均匀，均匀的厚度t满足t
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公开(公告)号：US20060164755A1
公开(公告)日：2006-07-27
申请号：US10523104
申请日：2003-08-21
申请人： Koichi Osano , Akinaga Natsui , Shunsaku Muraoka , Noboru Itoh , Syouzou Ninomiya , Kenji Hasegawa
发明人： Koichi Osano , Akinaga Natsui , Shunsaku Muraoka , Noboru Itoh , Syouzou Ninomiya , Kenji Hasegawa
IPC分类号： G11B5/23
CPC分类号： G11B5/1878 , G11B5/0086 , G11B5/02 , G11B5/1276 , G11B5/53
摘要： In a magnetic head, a multilayer film is disposed, the multilayer film including metal magnetic films and non-magnetic films that are alternately laminated, and a boundary between the multilayer film and a magnetic oxide substrate or a non-magnetic substrate on which the multilayer film is to be formed is parallel with a gap section at a surface of the magnetic head for sliding with respect to a magnetic recording medium. The metal magnetic films constituting the multilayer film have two or more types of thickness, or the metal magnetic films constituting the multilayer film have a uniform thickness, and the uniform thickness t satisfies t
摘要翻译： 在磁头中，设置多层膜，所述多层膜包括交替层叠的金属磁性膜和非磁性膜，以及多层膜与磁性氧化物基板或非磁性基板之间的边界，其上形成有多层膜 要形成的膜与磁头表面上的与磁记录介质滑动的间隙平行。 构成多层膜的金属磁性膜具有两种以上的厚度，构成多层膜的金属磁性膜的厚度均匀，均匀的厚度t满足t
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公开(公告)号：US5676768A
公开(公告)日：1997-10-14
申请号：US316477
申请日：1994-10-03
CPC分类号： G11B5/127 , G11B5/147 , H01F10/16 , H01F10/265 , Y10S428/90 , Y10T29/49021 , Y10T29/49032 , Y10T29/49034 , Y10T29/49043 , Y10T428/1171 , Y10T428/265
摘要： A ring-type magnetic head is of a structure in which a metallic magnetic film is sandwiched between two substrates, and the metallic magnetic film has a saturation magnetic field not less than 50 A/m in all directions parallel to a film plane thereof. Where the metallic magnetic film is a Co-containing magnetically soft film having a crystallization temperature Tx greater than the Curie temperature Tc, the metallic magnetic film is subjected to a first heat treatment at a temperature not less than Tc and a second heat treatment at a temperature Ta of Tc-180.degree. C..ltoreq.Ta.ltoreq.Tc-30.degree. C. in the absence of any applied magnetic field. Where the metallic magnetic film is a Co-containing magnetically soft film having a crystallization temperature Tx less than the Curie temperature Tc, the metallic magnetic film is subjected to a first heat treatment at a temperature not greater than Tx while a rotating magnetic field is being applied thereto and a second heat treatment at a temperature Ta of Tx-200.degree. C..ltoreq.Ta.ltoreq.Tx-50.degree. C. in the absence of any applied magnetic field.
摘要翻译： 环形磁头具有将金属磁性膜夹在两个基板之间的结构，并且该金属磁性膜在与其膜平面平行的所有方向上具有不小于50A / m的饱和磁场。 在金属磁性膜是结晶化温度Tx大于居里温度Tc的含Co磁性软膜的情况下，金属磁性膜在不低于Tc的温度下进行第一次热处理，在 在没有任何施加的磁场的情况下，Tc-180℃的温度Ta
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公开(公告)号：US5604045A
公开(公告)日：1997-02-18
申请号：US550282
申请日：1995-10-30
CPC分类号： G11B5/127 , G11B5/147 , H01F10/16 , H01F10/265 , Y10S428/90 , Y10T29/49021 , Y10T29/49032 , Y10T29/49034 , Y10T29/49043 , Y10T428/1171 , Y10T428/265
摘要： A ring-type magnetic head is of a structure in which a metallic magnetic film is sandwiched between two substrates, and the metallic magnetic film has a saturation magnetic field not less than 50 A/m in all directions parallel to a film plane thereof; the direction of lamination of the sandwich is generally perpendicular to a gap-forming surface of the head; where the metallic magnetic film is a Co-containing magnetically soft film having a crystallization temperature Tx greater than the Curie temperature Tc, the metallic magnetic film is subjected to a first heat treatment at a temperature not less than Tc and a second heat treatment at a temperature Ta of Tc-180.degree. C..ltoreq.Ta.ltoreq.Tc-30.degree. C. in the absence of any applied magnetic field; where the metallic magnetic film is a Co-containing magnetically soft film having a crystallization temperature Tx less than the Curie temperature Tc, the metallic magnetic film is subjected to a first heat treatment at a temperature not greater than Tx while a rotating magnetic field is being applied thereto and a second heat treatment at a temperature Ta of Tx-200.degree. C..ltoreq.Ta.ltoreq.Tx-50.degree. C. in the absence of any applied magnetic field.
摘要翻译： 环形磁头具有金属磁性膜夹在两个基板之间的结构，并且金属磁性膜在与其膜平面平行的所有方向上具有不小于50A / m的饱和磁场; 夹层的层压方向一般垂直于头部的间隙形成表面; 其中金属磁性膜是结晶温度Tx大于居里温度Tc的含Co磁性软膜，金属磁性膜在不低于Tc的温度下进行第一次热处理，在 在没有任何施加的磁场的情况下，Tc-180℃的温度Ta
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公开(公告)号：US08767325B2
公开(公告)日：2014-07-01
申请号：US13443877
申请日：2012-04-10
申请人： Akinaga Natsui
发明人： Akinaga Natsui
CPC分类号： G11B20/1883 , G11B2020/1893 , G11B2220/93
摘要： The data recording apparatus for recording data to a recording medium having one or more tracks arranged in parallel comprises a data recorder configured to record data to the one or more tracks, a memory configured to store data, and a controller configured to control the data recorder. The controller determines whether or not the one or more tracks include a data defective region in which the data has not been recorded properly, stores in the memory the data that has not been recorded properly, designates a position corresponding to the data defective region, which is in a track arranged in parallel to the data defective region, and reads from the memory the data that has not been recorded properly, and records that data to the position corresponding to the data defective region.
摘要翻译： 用于将数据记录到具有并行布置的一个或多个轨道的记录介质的数据记录装置包括数据记录器，被配置为将数据记录到一个或多个轨道，被配置为存储数据的存储器和被配置为控制数据记录器的控制器 。 控制器确定一个或多个轨道是否包括数据未被正确记录的数据缺陷区域，在存储器中存储未正确记录的数据，指定对应于数据缺陷区域的位置，其中 处于与数据缺陷区域并行布置的轨道中，并且从存储器读取未正确记录的数据，并将该数据记录到与数据缺陷区域相对应的位置。
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7.发明授权Information recording/reproduction device, cleaning tape, and optical pickup cleaning method 有权信息记录/再现装置，清洁带和光学拾取清洁方法公开(公告)号：US08897112B2
公开(公告)日：2014-11-25
申请号：US14131638
申请日：2012-06-07
申请人： Akinaga Natsui
发明人： Akinaga Natsui
IPC分类号： G11B15/04
CPC分类号： G11B7/121 , G11B7/003 , G11B15/07 , G11B15/6651 , G11B23/049
摘要： An information recording and reproduction device comprises an optical pickup that has an objective lens and records information to a tape-form medium or reproduces information from a tape-form medium using laser light; a tape threading component that allows the tape-form medium to be arranged opposite the objective lens; a controller that detects that the tape-form medium is a cleaning tape; a movement mechanism that operates so as to bring the tape-form medium and the objective lens into contact with each other, in response to the detection by the control unit; and a first drive mechanism that plays out the tape-form medium in a state in which the tape-form medium and the objective lens are in contact with each other. The information recording and reproduction device is capable of cleaning the optical pickup even with a tape-form medium.
摘要翻译： 信息记录和再现装置包括具有物镜的光学拾取器，并将信息记录到带状介质或使用激光从带状介质再现信息; 磁带穿线部件，其允许带状介质布置成与物镜相对; 检测所述带状介质是清洁带的控制器; 运动机构，其响应于所述控制单元的检测而操作以使所述带状介质和所述物镜彼此接触; 以及在带状介质和物镜彼此接触的状态下播放带状介质的第一驱动机构。 信息记录和再现装置即使用带状介质也能够清洁光学拾取器。
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公开(公告)号：US5943195A
公开(公告)日：1999-08-24
申请号：US826238
申请日：1997-03-27
申请人： Akinaga Natsui , Norimoto Nouchi
发明人： Akinaga Natsui , Norimoto Nouchi
CPC分类号： G11B5/105 , G11B5/1276 , G11B5/1878 , G11B5/40 , G11B5/53 , G11B33/14
摘要： A metal-in-gap type magnetic head apparatus in which a pair of magnetic core half bodies, comprising a metallic magnetic film containing Fe as a main component on at least one magnetic core half body, are joined. In the above mentioned structure, at least a part of the surface of a supporting base of the magnetic head comprises a material having a lower standard electrode potential than the metallic magnetic film and thereby the metallic magnetic film has a high saturation flux density. Moreover, a magnetic head apparatus and magnetic recording apparatus of the present invention can have a high reliability even in the strong corrosive environment.
摘要翻译： 一种金属间隙型磁头装置，其中包括在至少一个磁芯半体上包含以Fe为主要成分的金属磁性膜的一对磁芯半体。 在上述结构中，磁头的支撑基底的表面的至少一部分包括具有比金属磁性膜低的标准电极电位的材料，从而金属磁性膜具有高的饱和磁通密度。 此外，即使在强腐蚀性环境下，本发明的磁头装置和磁记录装置也可以具有高的可靠性。
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9.发明申请INFORMATION RECORDING/REPRODUCTION DEVICE, CLEANING TAPE, AND OPTICAL PICKUP CLEANING METHOD 有权信息记录/再现设备，清洁胶带和光学拾取清洁方法公开(公告)号：US20140140183A1
公开(公告)日：2014-05-22
申请号：US14131638
申请日：2012-06-07
申请人： Akinaga Natsui
发明人： Akinaga Natsui
IPC分类号： G11B7/121
CPC分类号： G11B7/121 , G11B7/003 , G11B15/07 , G11B15/6651 , G11B23/049
摘要： An information recording and reproduction device comprises an optical pickup that has an objective lens and records information to a tape-form medium or reproduces information from a tape-form medium using laser light; a tape threading component that allows the tape-form medium to be arranged opposite the objective lens; a controller that detects that the tape-form medium is a cleaning tape; a movement mechanism that operates so as to bring the tape-form medium and the objective lens into contact with each other, in response to the detection by the control unit; and a first drive mechanism that plays out the tape-form medium in a state in which the tape-form medium and the objective lens are in contact with each other. The information recording and reproduction device is capable of cleaning the optical pickup even with a tape-form medium.
摘要翻译： 信息记录和再现装置包括具有物镜的光学拾取器，并将信息记录到带状介质或使用激光从带状介质再现信息; 磁带穿线部件，其允许带状介质布置成与物镜相对; 检测所述带状介质是清洁带的控制器; 运动机构，其响应于所述控制单元的检测而操作以使所述带状介质和所述物镜彼此接触; 以及在带状介质和物镜彼此接触的状态下播放带状介质的第一驱动机构。 信息记录和再现装置即使用带状介质也能够清洁光学拾取器。
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