公开(公告)号：US5379275A

公开(公告)日：1995-01-03

申请号：US131854

申请日：1993-10-05

申请人： Masahiko Kaneko ,  Katsuhisa Aratani ,  Yoshihiro Muto

发明人： Masahiko Kaneko ,  Katsuhisa Aratani ,  Yoshihiro Muto

IPC分类号： G11B11/105 ,  G11B13/04

CPC分类号： G11B11/10586 ,  G11B11/10506 ,  G11B11/10519 ,  G11B11/10521 ,  G11B11/10523 ,  G11B11/10528

摘要： The present invention adopts as the basic structure of its thermomagnetic recording medium an arrangement consisting of a first and a second magnetic thin film having perpendicular anisotropy and a third magnetic thin film having in-plane magnetic anisotropy or small perpendicular magnetic anisotropy interposed therebetween, formed into a laminated structure by being magnetically coupled to the adjoining films in turn, modulates and switches, in accordance with information to be recorded, a first heating condition and a second heating condition, with the medium applied with a predetermined external magnetic field H.sub.ex in the direction perpendicular to the plane of the film, the first condition being that for raising temperature of the medium to a first temperature T.sub.1 which is virtually above the Curie temperature T.sub.C1 of the first magnetic thin film and not causing reversal of the magnetic moment in the second magnetic thin film and the second condition being that for raising temperature of the same to a second temperature T.sub.2 which is virtually above the Curie temperature T.sub.C1 and sufficient to cause reversal of the magnetic moment in the second magnetic thin film, to thereby form an information bit (magnetic domains) in the first magnetic thin film, and adapts during the course the medium is cooled from the heated states such that two states established by the different relationships between the directions of magnetization of the first and second magnetic thin films are finally formed whereby the recording of the information is performed to achieve overwriting.

摘要翻译： 本发明采用其热磁记录介质的基本结构，由具有垂直各向异性的第一和第二磁性薄膜和介于其间的具有面内磁各向异性或小的垂直磁各向异性的第三磁性薄膜组成的布置形成为 按照要记录的信息，依次磁耦合到相邻的薄膜上的层压结构，第一加热条件和第二加热条件，介质在方向上施加预定的外部磁场六边形 垂直于薄膜平面的第一个条件是将介质的温度提升到实质上高于第一磁性薄膜的居里温度TC1的第一温度T1，而不会使第二磁性体的磁矩反转 薄膜，第二个条件是提高温度 相当于实质上高于居里温度TC1的第二温度T2，并且足以引起第二磁性薄膜中的磁矩的反转，从而在第一磁性薄膜中形成信息位（磁畴），以及 在该过程中适应介质从加热状态冷却，使得由第一和第二磁性薄膜的磁化方向之间的不同关系建立的两个状态最终形成，由此执行信息的记录以实现覆盖。

公开(公告)号：US4760237A

公开(公告)日：1988-07-26

申请号：US70803

申请日：1987-07-07

申请人： Masayoshi Mizukado ,  Minoru Tashiro ,  Yoshihiro Muto

发明人： Masayoshi Mizukado ,  Minoru Tashiro ,  Yoshihiro Muto

IPC分类号： B23K26/08 ,  B23K26/10 ,  B23K26/00

CPC分类号： B23K26/10

摘要： A laser beam machine comprises stationary guide means, a first table movably mounted on the stationary guide means for moving between two positions, a movable guide means liftably disposed, and a second table movably mounted on the movable guide means for movement between the two positions. The tables are exchanged with each other by lifting the movable guide means to move the first and second tables between the two positions.

摘要翻译： 激光束机包括静止引导装置，可移动地安装在固定引导装置上用于在两个位置之间移动的可移动引导装置的可移动地安装的第一工作台和可移动地安装在可移动引导装置上用于在两个位置之间移动的第二工作台。 通过抬起可移动的引导装置来在两个位置之间移动第一和第二表格来彼此交换表格。

公开(公告)号：US20080110693A1

公开(公告)日：2008-05-15

申请号：US11927340

申请日：2007-10-29

申请人： Yoshihiro MUTO

发明人： Yoshihiro MUTO

IPC分类号： F01N1/02

CPC分类号： F01N1/003 ,  F01N1/04 ,  F01N1/10 ,  F01N13/04 ,  F01N13/18 ,  F01N2230/04 ,  F01N2240/36 ,  F01N2490/02 ,  F01N2490/04 ,  F01N2490/08 ,  F01N2490/12 ,  F01N2560/025 ,  F01N2590/04

摘要： A motorcycle having a tail pipe formed from a pair of branch pipes that branch from a main pipe and that ensures a sound absorbing effect. A muffler has a casing that surrounds a rear section of an exhaust pipe, and a sound absorbing material that is filled between the casing and the rear section of the exhaust pipe. The rear section of the exhaust pipe includes a main pipe that is connected to the exhaust pipe and that extends to the rear, and first and second branch pipes that are connected to and branch from the main pipe and extend to the rear. A cross sectional area of the casing, when viewed from an exhaust gas flow direction becomes larger as the casing extends toward the branch pipe side.

摘要翻译： 具有从主管分支的一对分支管形成的尾管并确保吸音效果的摩托车。 消音器具有围绕排气管的后部的壳体和填充在排气管的后部之间的吸音材料。 排气管的后部包括连接到排气管并延伸到后部的主管，以及连接到主管并从主管分支并延伸到后部的第一和第二分支管。 当从排气流动方向观察时，壳体的横截面积随着壳体向分支管侧延伸而变大。

公开(公告)号：US6033538A

公开(公告)日：2000-03-07

申请号：US961158

申请日：1997-10-30

申请人： Masatsugu Suwabe ,  Yoshihito Fukushima ,  Yoshihiro Muto

发明人： Masatsugu Suwabe ,  Yoshihito Fukushima ,  Yoshihiro Muto

IPC分类号： G11B11/10 ,  C23C14/20 ,  G11B11/105 ,  C23C14/34

CPC分类号： G11B11/10582 ,  C23C14/205 ,  G11B11/10584 ,  G11B11/10586

摘要： In a magneto-optical recording medium including a first magnetic layer which is magnetized in a predetermined direction according to a data signal and a second magnetic layer which is magnetically connected to the first magnetic layer by exchange interaction, so that a boundary magnetic wall can exist between the first magnetic layer and the second magnetic layer, the present invention increases stability of the boundary magnetic wall formed between the first magnetic layer and the second magnetic layer and to enhance a reproduction durability as well as durability against repeated recording.The first magnetic layer and the second magnetic layer are formed by sputtering. At least one of the magnetic layers composing the first magnetic layer and positioned adjacent to the second magnetic layer is formed with a sputter gas pressure greater than the sputter gas pressure applied when forming a magnetic layer composing the second magnetic layer and positioned adjacent to the first magnetic layer.

摘要翻译： 在包括根据数据信号沿预定方向磁化的第一磁性层和通过交换相互作用磁性地连接到第一磁性层的第二磁性层的磁光记录介质中，从而可以存在边界磁性壁 在第一磁性层和第二磁性层之间，本发明增加了形成在第一磁性层和第二磁性层之间的边界磁性壁的稳定性，并提高再现耐久性以及耐重复记录的耐久性。 第一磁性层和第二磁性层通过溅射形成。 构成第一磁性层并邻近第二磁性层定位的磁性层中的至少一个形成溅射气体压力，该溅射气体压力大于当形成构成第二磁性层的磁性层并且与第一磁性层相邻地定位时施加的溅射气体压力 磁性层。

公开(公告)号：US5966349A

公开(公告)日：1999-10-12

申请号：US961134

申请日：1997-10-30

申请人： Masatsugku Suwabe ,  Yoshihito Fukushima ,  Yoshihiro Muto

发明人： Masatsugku Suwabe ,  Yoshihito Fukushima ,  Yoshihiro Muto

IPC分类号： G11B11/10 ,  G11B11/105 ,  G11B11/00

CPC分类号： G11B11/10586

摘要： A magneto-optical recording medium capable of performing light-intensity-modulation direct overwrite and having excellent practical characteristics is provided. A magneto-optical recording film is formed by stacking a reproducing layer made of a magnetic material from which a large Kerr rotation angle can be obtained, a memory layer made of a magnetic material having great magnetic anisotropy, an intermediate layer having small magnetic anisotropy and made of TMrich rare earth-transition metal amorphous alloy, a recording layer having a Curie temperature higher than those of the memory layer and the intermediate layer and made of TMrich rare earth-transition metal amorphous alloy, a switching layer made of a magnetic material having a Curie temperature lower than that of the recording layer and an initializing layer made of a magnetic material having a Curie temperature higher than those of the reproducing layer, the memory layer, the intermediate layer, the recording layer and the switching layer.

摘要翻译： 提供能够进行光强调制直接重写并具有优异实用特性的磁光记录介质。 磁光记录膜通过堆叠由可获得大的克尔旋转角的磁性材料制成的再现层，由具有大的磁各向异性的磁性材料制成的存储层，具有小的磁各向异性的中间层，以及 由TMrich稀土 - 过渡金属非晶合金制成，具有居里温度高于存储层和中间层的居里温度并由TMrich稀土 - 过渡金属非晶态合金制成的记录层，由具有 居里温度低于记录层的居里温度，以及由居里温度高于再现层，存储层，中间层，记录层和开关层的居里温度的磁性材料制成的初始化层。

公开(公告)号：US5353171A

公开(公告)日：1994-10-04

申请号：US920844

申请日：1992-07-28

申请人： Kayoko Suzuki ,  Ariyoshi Nakaoki ,  Yoshihiro Muto

发明人： Kayoko Suzuki ,  Ariyoshi Nakaoki ,  Yoshihiro Muto

IPC分类号： G11B5/02 ,  G11B11/10 ,  G11B11/105 ,  G11B5/127 ,  G11B7/00

CPC分类号： G11B11/10532 ,  G11B11/10523 ,  G11B11/10586

摘要： A magneto-optical recording apparatus records information on a magneto-optical recording medium composed of a memory layer and a recording layer which are disposed on a substrate, each comprising a magnetic thin film of amorphous-rare-earth transition-metal alloy. The memory and recording layers are magnetically coupled directly, or through an intermediate layer therebetween, to each other under an exchange force. A recording magnetic field generator such as a permanent magnet or an electromagnet applies a recording magnetic field to the magneto-optical recording medium, and an initializing magnetic field generator such as a permanent magnet or an electromagnet applies an initializing magnetic force to the magneto-optical recording medium. The initializing magnetic field generator has a magnetic pole confronting a surface of the magneto-optical recording medium. The initializing magnetic force comprises a magnetic field H.sub.V directed perpendicularly to the surface of the magneto-optical recording medium, and a magnetic field H.sub.H directed along the surface of the magneto-optical recording medium. The magnetic fields H.sub.V, H.sub.H are defined as follows:H.sub.V .ltoreq.H.sub.C2 +H.sub.W2,andH.sub.H >{(H.sub.C2 +H.sub.W2)-H.sub.V }.times.1.7where H.sub.C2 is the coercive force of the recording layer and H.sub.W2 is the exchange force.

摘要翻译： 磁光记录装置将信息记录在由设置在基板上的存储层和记录层构成的磁光记录介质上，每个磁光记录介质包括非晶 - 稀土过渡金属合金的磁性薄膜。 存储器和记录层在交换力下彼此直接磁耦合或者通过它们之间的中间层磁耦合。 诸如永磁体或电磁体的记录磁场发生器将磁记录磁场施加到磁光记录介质上，诸如永磁体或电磁体的初始化磁场产生器将磁化初始化磁力施加到磁光 记录介质。 初始化磁场发生器具有面对磁光记录介质的表面的磁极。 初始化磁力包括垂直于磁光记录介质的表面定向的磁场HV以及沿磁光记录介质的表面指向的磁场HH。 磁场HV，HH定义如下：HV {（HC2 + HW2）-HV} x1.7其中HC2是记录层的矫顽力，HW2是交换力 。

公开(公告)号：US06721238B2

公开(公告)日：2004-04-13

申请号：US09996418

申请日：2001-11-29

申请人： Yasuhito Tanaka ,  Yoshihiro Muto

发明人： Yasuhito Tanaka ,  Yoshihiro Muto

IPC分类号： G11B1100

CPC分类号： G11B11/10586 ,  G11B11/10584 ,  Y10T428/1121

摘要： A magneto-optical recording medium for recording and reproducing carriers by laser beam irradiation includes a first magnetic layer which is magnetized in the in-plane direction at room temperature and is perpendicularly magnetized at a predetermined temperature T1 or more; a second magnetic layer which is in contact with the first magnetic layer, has a Curie temperature Tc2 higher than the predetermined temperature T1, and has in-plane magnetic anisotropy up to the Curie temperature Tc2; a third magnetic layer which has a Curie temperature Tc3 higher than the predetermined temperature T1 and has perpendicular magnetic anisotropy at least in a predetermined range of a temperature distribution of the magneto-optical recording medium during laser beam irradiation when reproducing; and a rare earth metal layer formed between the third magnetic layer and the second magnetic layer.

摘要翻译： 用于通过激光束照射来记录和再现载体的磁光记录介质包括在室温下在面内方向被磁化并在预定温度T1或更高的温度下垂直磁化的第一磁性层; 与第一磁性层接触的第二磁性层具有高于预定温度T1的居里温度Tc2，具有高达居里温度Tc2的面内磁各向异性; 具有比预定温度T1高的居里温度Tc3的第三磁性层，并且在再现时在激光束照射期间至少在磁光记录介质的温度分布的预定范围内具有垂直的磁各向异性; 以及形成在第三磁性层和第二磁性层之间的稀土金属层。

公开(公告)号：US5993616A

公开(公告)日：1999-11-30

申请号：US961157

申请日：1997-10-30

申请人： Masatsugu Suwabe ,  Yoshihito Fukushima ,  Yoshihiro Muto

发明人： Masatsugu Suwabe ,  Yoshihito Fukushima ,  Yoshihiro Muto

IPC分类号： G11B11/10 ,  C23C14/18 ,  C23C14/54 ,  G11B11/105 ,  C23C14/32 ,  C23C16/00

CPC分类号： G11B11/10582 ,  C23C14/185 ,  C23C14/548

摘要： This invention provides a method for producing a magneto-optical recording medium with a laminated film composed of a plurality of magnetic layers made of alloys of rare earth metals-transition metals such as a magneto-optical recording medium allowing direct overwriting through light intensity modulation and a magneto-optical recording medium allowing magnetically induced recording with super resolution, or a method for stably producing a magneto-optical recording medium excellent in performance.The method consists of using, as vaporizers to form the laminated magnetic film, three or more vaporizers including one or more vaporizers containing mainly rare earth elements and one or more vaporizers containing mainly transition metals. Then, particles ejected from a vaporizer containing mainly a rare earth metal and from two or more vaporizers containing mainly transition metals are allowed to continue to impinge onto the surface upon which the laminated film is to be formed, throughout the formation of the laminated film.

摘要翻译： 本发明提供一种制造具有层叠膜的磁光记录介质的方法，所述层叠膜由多个由稀土金属 - 过渡金属合金制成的磁性层构成，所述磁性层允许通过光强调制直接重写的磁光记录介质， 允许以超分辨率进行磁感应记录的磁光记录介质，或用于稳定地制造性能优异的磁光记录介质的方法。 该方法包括使用蒸发器形成层压磁性膜，三个或更多个蒸发器，包括一个或多个主要含有稀土元素的蒸发器和一个或多个主要含有过渡金属的蒸发器。 然后，在整个层叠膜的形成过程中，允许从主要含有稀土金属的汽化器和主要含有过渡金属的两种或多种蒸发器喷射的颗粒继续撞击到要形成层压膜的表面上。

公开(公告)号：US5876807A

公开(公告)日：1999-03-02

申请号：US961140

申请日：1997-10-30

申请人： Yoshihiro Muto

发明人： Yoshihiro Muto

IPC分类号： G11B11/10 ,  G11B11/105 ,  H01F1/00

CPC分类号： G11B11/10582 ,  G11B11/10591 ,  G11B11/10506 ,  G11B11/10521

摘要： The present invention provides a method for producing a magneto-optical recording medium capable of optical intensity modulation direct overwriting, which method enables to easily form an initialization layer having an excellent stability against the magnetization inversion during the optical intensity modulation direct overwriting.When producing a magneto-optical recording medium at least a memory layer 1 which is magnetized according to a recording signal, a recording layer 2 whose magnetization direction is temporarily changed according to a recording signal during a recording, a switch layer 3 which is temporarily demagnetized during a recording, and an initialization layer 4 whose magnetization direction is not changed during a recording; the memory layer 1 is formed by forming at least a first magnetic layer 1a having a residual magnetization Mr smaller than a saturation magnetization Ms and a second magnetic layer 1b having a ratio Mr/Ms between the residual magnetization Mr and the saturation magnetization Ms greater than that of the first magnetic layer. Moreover, when forming the second magnetic layer 1b, an external magnetic field is applied almost in the vertical direction to the film surface.

摘要翻译： 本发明提供了一种制造能够进行光强度调制直接重写的磁光记录介质的方法，该方法能够在光强调制直接重写期间容易地形成对磁化反转具有优异的稳定性的初始化层。 当至少存储层1产生磁光记录介质时，根据记录信号被磁化的记录层1，记录期间根据记录信号使磁化方向临时变化的记录层2，暂时退磁的开关层3 以及在记录期间磁化方向不改变的初始化层4; 存储层1通过至少形成具有小于饱和磁化强度Ms的剩余磁化强度Mr的第一磁性层1a和残余磁化强度Mr与饱和磁化强度Ms之间的Mr / Ms比率的第二磁性层1b大于 第一磁性层的。 此外，当形成第二磁性层1b时，几乎在与膜表面垂直的方向上施加外部磁场。

公开(公告)号：US07779963B2

公开(公告)日：2010-08-24

申请号：US11927340

申请日：2007-10-29

申请人： Yoshihiro Muto

发明人： Yoshihiro Muto

IPC分类号： F01N1/00

CPC分类号： F01N1/003 ,  F01N1/04 ,  F01N1/10 ,  F01N13/04 ,  F01N13/18 ,  F01N2230/04 ,  F01N2240/36 ,  F01N2490/02 ,  F01N2490/04 ,  F01N2490/08 ,  F01N2490/12 ,  F01N2560/025 ,  F01N2590/04

摘要： A motorcycle having a tail pipe formed from a pair of branch pipes that branch from a main pipe and that ensures a sound absorbing effect. A muffler has a casing that surrounds a rear section of an exhaust pipe, and a sound absorbing material that is filled between the casing and the rear section of the exhaust pipe. The rear section of the exhaust pipe includes a main pipe that is connected to the exhaust pipe and that extends to the rear, and first and second branch pipes that are connected to and branch from the main pipe and extend to the rear. A cross sectional area of the casing, when viewed from an exhaust gas flow direction becomes larger as the casing extends toward the branch pipe side.

摘要翻译： 具有从主管分支的一对分支管形成的尾管并确保吸音效果的摩托车。 消音器具有围绕排气管的后部的壳体和填充在排气管的后部之间的吸音材料。 排气管的后部包括连接到排气管并延伸到后部的主管，以及连接到主管并从主管分支并延伸到后部的第一和第二分支管。 当从排气流动方向观察时，壳体的横截面积随着壳体朝向分支管侧延伸而变大。