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    • 61. 发明授权
    • Method for manufacturing magnetoresistance element
    • 制造磁阻元件的方法
    • US06482329B1
    • 2002-11-19
    • US09381822
    • 2000-12-18
    • Migaku TakahashiSatoshi MiuraMasakiyo Tsunoda
    • Migaku TakahashiSatoshi MiuraMasakiyo Tsunoda
    • H01F4118
    • B82Y25/00B82Y40/00H01F41/18H01F41/308H01L43/12
    • A method of manufacturing a magnetoresistance element which can reproduce magnetic signals with higher sensitivity. The manufacturing method includes the steps of providing a vacuum below 10−9 Torr in a film forming chamber for forming a nonmagnetic layer and ferromagnetic layer; performing plasma-etching of the surface of a substrate body by using a mixture of a gas (a) containing at least oxygen or water introduced into the chamber and an Ar gas (b) introduced into the chamber in a vacuum, state controlled to higher than 10−9 Torr; and forming the nonmagnetic and ferromagnetic layers on the etched substrate body by sputtering a prescribed target by using the mixture of the gases (a) and (b).
    • 一种制造可以以更高灵敏度再现磁信号的磁阻元件的方法。 该制造方法包括以下步骤:在用于形成非磁性层和铁磁层的成膜室中提供10 -9乇以下的真空; 通过使用至少含有氧气或引入室中的水的气体(a)和在真空中引入室中的Ar气体(b)进行等离子体蚀刻,从而对基体的表面进行等离子体蚀刻,状态被控制到更高 超过10-9乇; 以及通过使用气体(a)和(b)的混合物溅射规定的靶材,在蚀刻的基板主体上形成非磁性和铁磁性层。
    • 63. 发明授权
    • Domain name system using dynamic DNS and global address management method for dynamic DNS server
    • 使用动态DNS的域名系统和动态DNS服务器的全局地址管理方法
    • US08214537B2
    • 2012-07-03
    • US12162709
    • 2007-01-30
    • Satoshi Miura
    • Satoshi Miura
    • G06F15/16G06F15/173H04L12/28
    • H04L61/2076H04L29/12066H04L29/12301H04L61/1511
    • In order to constitute a domain name system obtained by providing and utilizing a DNS service by using a self-supporting (not rented) DDNS server in a dynamic IP address environment, a DDNS server inside a network of a central site and routers which are DDNS clients inside networks of other sites are provided. The DDNS server includes: a means for registering a relationship between domain names of the DDNS clients and global addresses of the DDNS client; a means for responding to a request for resolving a name from the DDNS client; and a means which, at a time when a global address of the DDNS server is updated, notifies DDNS server information including the global address of the DDNS server to the DDNS client. Moreover, the DDNS client includes: a means for registering (updating) the global address of the DDNS server when the DDNS server information is notified; and a means for issuing a request for resolving a name to the DDNS server.
    • 为了构成通过在动态IP地址环境中使用自支持(未租用)DDNS服务器提供和利用DNS服务获得的域名系统,中心站点的网络内的DDNS服务器和DDNS的路由器 提供其他站点网络内的客户端。 DDNS服务器包括:登录DDNS客户端的域名与DDNS客户端的全球地址之间的关系的装置; 一种响应DDNS客户端解析名称的请求的方法; 并且在DDNS服务器的全局地址被更新的时候向DDNS客户端通知DDNS服务器信息,包括DDNS服务器的全局地址。 此外,DDNS客户端包括:当通知DDNS服务器信息时,用于注册(更新)DDNS服务器的全局地址的装置; 以及向DDNS服务器发出解析名称的请求的方法。
    • 64. 发明授权
    • Signal converting circuit
    • 信号转换电路
    • US07692454B2
    • 2010-04-06
    • US11910068
    • 2006-05-17
    • Satoshi MiuraMakoto Masuda
    • Satoshi MiuraMakoto Masuda
    • H03K5/22
    • H03F3/45183H03F1/223H03F3/345H03F3/45475H03F3/505H03F2203/45288H03F2203/45352H03F2203/45612H03F2203/45652H03F2203/45702H03K17/04106
    • A signal conversion circuit 2 comprises a differential amplifier portion 10 and a source follower portion 20. When differential voltage signals INp and INn are input to a first input terminal 5 and second input terminal 6 respectively, operations occurs either in a mode in which only the differential amplifier portion 10 operates, or a mode in which both the differential amplifier portion 10 and the source follower portion 20 operate, or a mode in which only the source follower portion 20 operates, according to the levels of the differential voltage signals INp and INn. The differential amplifier portion 10 and source follower portion 20 have fewer components compared with a circuit comprising two differential amplifier circuits. By this means, the circuit area can be reduced, and in addition current consumption can be reduced. Also, because the source follower portion 20 performs non-inverting amplification of the differential voltage signals INp and INn, high-speed operation is possible.
    • 信号转换电路2包括差分放大器部分10和源极跟随器部分20.当差分电压信号INp和INn分别输入到第一输入端子5和第二输入端子6时,操作发生在只有 差分放大器部分10或者差分放大器部分10和源极跟随器部分20工作的模式或仅源极跟随器部分20工作的模式,根据差分电压信号INp和INn的电平 。 与包括两个差分放大器电路的电路相比,差分放大器部分10和源极跟随器部分20具有较少的部件。 通过这种方式,可以减少电路面积,并且可以减少电流消耗。 此外,由于源极跟随器部分20执行差分电压信号INp和INn的非反相放大,因此可以进行高速操作。
    • 65. 发明申请
    • CPP-TYPE MAGNETORESISTANCE EFFECT ELEMENT HAVING THREE MAGNETIC LAYERS
    • 具有三个磁性层的CPP型磁阻效应元件
    • US20090237839A1
    • 2009-09-24
    • US12052633
    • 2008-03-20
    • Kei HirataSatoshi MiuraTomohito MizunoTakeo Kagami
    • Kei HirataSatoshi MiuraTomohito MizunoTakeo Kagami
    • G11B5/60G11B5/33
    • G11B5/3932B82Y10/00B82Y25/00G01R33/098G11B5/3906G11B5/3909H01L43/08
    • A magnetoresistance effect element comprises: a magnetoresistive stack including: first, second and third magnetic layers whose magnetization directions change in accordance with an external magnetic field, said second magnetic layer being located between said first magnetic layer and the third magnetic layer; a first non-magnetic intermediate layer sandwiched between said first and second magnetic layers, said first non-magnetic intermediate layer allowing said first magnetic layer and said second magnetic layer to be exchange-coupled such that the magnetization directions thereof are anti-parallel to each other when no magnetic field is applied; and a second non-magnetic intermediate layer sandwiched between said second and third magnetic layers, said second non-magnetic intermediate layer producing a magnetoresistance effect between said second magnetic layer and said third magnetic layer; wherein sense current is adapted to flow in a direction perpendicular to a film plane; a bias magnetic layer provided on an opposite side of said magnetoresistive stack from an air bearing surface, said bias magnetic layer applying a bias magnetic field to said magnetoresistive stack in a direction perpendicular to the air bearing surface.
    • 磁阻效应元件包括:磁阻堆叠,其包括:其磁化方向根据外部磁场而变化的第一,第二和第三磁性层,所述第二磁性层位于所述第一磁性层和所述第三磁性层之间; 夹在所述第一和第二磁性层之间的第一非磁性中间层,所述第一非磁性中间层允许所述第一磁性层和所述第二磁性层交换耦合,使得其磁化方向与每个磁性层反平行 另外当不施加磁场时; 以及夹在所述第二和第三磁性层之间的第二非磁性中间层,所述第二非磁性中间层在所述第二磁性层和所述第三磁性层之间产生磁阻效应; 其中感测电流适于在垂直于膜平面的方向上流动; 偏置磁性层,其设置在所述磁阻堆叠的与空气支承表面相反的一侧上,所述偏磁层在与所述空气轴承表面垂直的方向上向所述磁阻堆叠施加偏置磁场。
    • 68. 发明授权
    • CCP Head having leads of substantially the same size and shape and not intervening between a shield layer and a MR element
    • CCP头部具有基本上相同尺寸和形状的引线,并且不插入屏蔽层和MR元件之间
    • US07489481B2
    • 2009-02-10
    • US11067643
    • 2005-02-28
    • Kentaro NagaiTakeo KagamiNoriaki KasaharaNaoki OhtaSatoshi Miura
    • Kentaro NagaiTakeo KagamiNoriaki KasaharaNaoki OhtaSatoshi Miura
    • G11B5/33G11B5/127
    • G11B5/3912B82Y10/00B82Y25/00G11B5/3909G11B2005/3996
    • A magnetic head is provided for further improving a correlation between the dynamic characteristics and static characteristics. A lower magnetic shield layer, a magneto-resistive layer, and an upper magnetic shield layer are laminated on a base in this order. A lower lead layer and an upper lead layer apply a sense current to the magneto-resistive layer in a direction substantially perpendicular to the film plane thereof through the magnetic shield layers. The lower magnetic shield layer and upper magnetic shield layer have their shapes and sizes which substantially exactly overlap each other, when viewed in a laminating direction. The lower lead layer is electrically connected to the lower magnetic shield layer. At least a portion of the lower lead layer closer to the lower magnetic shield layer is made of a non-magnetic conductive material. The upper lead layer is electrically connected to the upper magnetic shield layer. At least a portion of the upper lead layer closer to the upper magnetic shield layer is made of a non-magnetic conductive material.
    • 提供磁头用于进一步改善动态特性和静态特性之间的相关性。 下部磁屏蔽层,磁阻层和上部磁屏蔽层依次层压在基座上。 下引线层和上引线层通过磁屏蔽层在大致垂直于其膜平面的方向上向磁阻层施加感测电流。 当从层叠方向观察时,下磁屏蔽层和上磁屏蔽层具有基本精确地彼此重叠的形状和尺寸。 下引线层电连接到下磁屏蔽层。 下引线层的更靠近下磁屏蔽层的至少一部分由非磁性导电材料制成。 上引线层电连接到上磁屏蔽层。 上导电层的至少一部分靠近上磁屏蔽层由非磁性导电材料制成。
    • 69. 发明申请
    • TRANSMITTING APPARATUS
    • 发送装置
    • US20090033365A1
    • 2009-02-05
    • US11912800
    • 2006-04-25
    • Satoshi Miura
    • Satoshi Miura
    • H03K19/0175H03K3/00
    • H04L25/0282H03K17/6872H04L25/0272
    • To provide a transmitting apparatus capable of suppressing the fluctuation of a common mode potential and performing high-speed, long-distance signal transmission. The transmitting apparatus has a main buffer circuit and a pre-emphasis buffer circuit 20. The pre-emphasis buffer circuit 20, which has a switch circuit 21, a first current source 22, and a second current source 23, uses the switch circuit 21 to output a current signal having the same direction as an output current of the main buffer circuit 10 during a certain time interval starting from a time point when the level of data to be transmitted changes, and brings the output terminals 201, 202 to a High-Z state during a time interval when the level is constant after a lapse of the abovementioned certain time interval. The output of the pre-emphasis buffer circuit 20 has no influence on the common mode potential of the output of the main buffer circuit but has influence only the amplitude of the current signal output to a differential transmission line. In this manner, the transmitting apparatus can suppress the fluctuation of the common mode potential and can perform high-speed, long-distance signal transmission.
    • 提供能够抑制共模电位波动并进行高速长距离信号传输的发送装置。 发送装置具有主缓冲电路和预加重缓冲电路20.具有开关电路21,第一电流源22和第二电流源23的预加重缓冲电路20使用开关电路21 在从要发送的数据的电平改变的时间点开始的特定时间间隔期间输出具有与主缓冲电路10的输出电流相同方向的电流信号,并且使输出端子201,202变为高电平 -Z状态,在经过上述一定时间间隔后的电平恒定的时间间隔内。 预加重缓冲器电路20的输出对主缓冲电路的输出的共模电位没有影响,但仅影响输出到差分传输线的电流信号的幅度。 以这种方式,发送装置可以抑制共模电位的波动,并且可以执行高速,长距离的信号传输。
    • 70. 发明申请
    • Signal Converting Circuit
    • 信号转换电路
    • US20080272821A1
    • 2008-11-06
    • US11910068
    • 2006-05-17
    • Satoshi MiuraMakoto Masuda
    • Satoshi MiuraMakoto Masuda
    • H03L5/00H03F3/45
    • H03F3/45183H03F1/223H03F3/345H03F3/45475H03F3/505H03F2203/45288H03F2203/45352H03F2203/45612H03F2203/45652H03F2203/45702H03K17/04106
    • A signal conversion circuit 2 comprises a differential amplifier portion 10 and a source follower portion 20. When differential voltage signals INp and INn are input to a first input terminal 5 and second input terminal 6 respectively, operations occurs either in a mode in which only the differential amplifier portion 10 operates, or a mode in which both the differential amplifier portion 10 and the source follower portion 20 operate, or a mode in which only the source follower portion 20 operates, according to the levels of the differential voltage signals INp and INn. The differential amplifier portion 10 and source follower portion 20 have fewer components compared with a circuit comprising two differential amplifier circuits. By this means, the circuit area can be reduced, and in addition current consumption can be reduced. Also, because the source follower portion 20 performs non-inverting amplification of the differential voltage signals INp and INn, high-speed operation is possible.
    • 信号转换电路2包括差分放大器部分10和源极跟随器部分20。 当差分电压信号INp和INn分别输入到第一输入端子5和第二输入端子6时,操作以仅仅差分放大器部分10工作的模式或者差分放大器部分10和 源极跟随器部分20根据差分电压信号INp和INn的电平来操作或仅源极跟随器部分20工作的模式。 与包括两个差分放大器电路的电路相比,差分放大器部分10和源极跟随器部分20具有较少的部件。 通过这种方式,可以减少电路面积,并且可以减少电流消耗。 此外,由于源极跟随器部分20执行差分电压信号INp和INn的非反相放大,因此可以进行高速操作。