公开(公告)号：US5225951A

公开(公告)日：1993-07-06

申请号：US869056

申请日：1992-04-16

申请人： Tohru Kira ,  Kozi Otsuka ,  Kazuyoshi Imae ,  Mitsuhiko Yoshikawa ,  Kengo Shiiba

发明人： Tohru Kira ,  Kozi Otsuka ,  Kazuyoshi Imae ,  Mitsuhiko Yoshikawa ,  Kengo Shiiba

IPC分类号： G11B5/31 ,  G11B5/39

CPC分类号： G11B5/3925 ,  G11B5/3113

摘要： A thin film magnetic head includes yokes for leading magnetic flux of signals generated from a magnetic recording medium up to a magnetic resistance effect element. The yokes are made of sputtered films having internal compressive stress therein. The internal stress in the yokes which are deleterious to the magnetic properties of the magnetic resistance effect element can be negated or reduced by including a film of material on the yokes for compensating for the internal stresses.

摘要翻译： 薄膜磁头包括用于引导从磁记录介质产生的信号的磁通直到磁阻效应元件的轭。 轭体由其中具有内部压应力的溅射膜制成。 对磁阻效应元件的磁特性有害的磁轭中的内部应力可以通过在磁轭上包含材料膜来补偿内部应力而被否定或减少。

公开(公告)号：US5155644A

公开(公告)日：1992-10-13

申请号：US688701

申请日：1991-04-22

申请人： Tohru Kira ,  Kozi Otsuka ,  Kazuyoshi Imae ,  Mitsuhiko Yoshikawa ,  Kengo Shiiba

发明人： Tohru Kira ,  Kozi Otsuka ,  Kazuyoshi Imae ,  Mitsuhiko Yoshikawa ,  Kengo Shiiba

IPC分类号： G11B5/31 ,  G11B5/39

CPC分类号： G11B5/3925 ,  G11B5/3113

摘要： The yoke thin film magnetic head according to the present invention includes yokes for leading the magnetic flux of signals generated from the magnetic recording medium up to the magnetic resistance effect element, which yokes are made of sputtered films having compressive stress therein. Therefore, the internal stress in the yokes which cause bad influences upon magnetic properties of the magnetic resistance effect element can be negated or reduced, with less Barkhausen noises produced.

摘要翻译： 根据本发明的磁轭薄膜磁头包括用于引导从磁记录介质产生的信号的磁通直到磁阻效应元件的磁轭，该磁轭由其中具有压应力的溅射膜制成。 因此，由于产生了较少的巴克豪森噪声，因此，可以否定或减少对磁阻效应元件的磁特性造成不良影响的磁轭中的内部应力。

公开(公告)号：US4803581A

公开(公告)日：1989-02-07

申请号：US27088

申请日：1987-03-16

申请人： Toru Kira ,  Teiichi Miyauchi ,  Kiyohito Nakai ,  Kengo Shiiba ,  Mitsuhiko Yoshikawa

发明人： Toru Kira ,  Teiichi Miyauchi ,  Kiyohito Nakai ,  Kengo Shiiba ,  Mitsuhiko Yoshikawa

IPC分类号： G11B5/39 ,  G11B5/33

CPC分类号： G11B5/3925

摘要： A thin film magnetic head including a lower yoke made of magnetic material having a high permeability, a magnetoresistive element and an upper yoke for transmitting magnetic flux to the magnetoresistive element. The upper yoke overlaps, at its rear end portion, a front end portion of the magnetoresistive element, while the lower yoke is formed, at its portion confronting the magnetoresistive element, with a groove such that the magnetoresistive element overlaps, at its rear end portion, the lower yoke.

摘要翻译： 一种薄膜磁头，包括由具有高磁导率的磁性材料制成的下磁轭，磁阻元件和用于将磁通传递到磁阻元件的上磁轭。 上磁轭在其后端部分与磁阻元件的前端部分重叠，而在其磁阻元件面对的部分形成下磁轭，使得磁阻元件在其后端部分重叠， ，下轭。

公开(公告)号：US06559802B2

公开(公告)日：2003-05-06

申请号：US09960379

申请日：2001-09-24

申请人： Kazuhide Goto ,  Yoshio Onaka ,  Makoto Yoshinomoto ,  Hiromi Sakita ,  Katsumi Sasaki ,  Kengo Shiiba

发明人： Kazuhide Goto ,  Yoshio Onaka ,  Makoto Yoshinomoto ,  Hiromi Sakita ,  Katsumi Sasaki ,  Kengo Shiiba

IPC分类号： H01Q124

CPC分类号： H01Q21/30 ,  H01Q1/243 ,  H01Q1/38 ,  H01Q9/0407 ,  H01Q21/28

摘要： A surface mount type antenna and a communication terminal using the same. A radiator electrode is provided on a first principal face of a substrate. A ground electrode is provided on the second principal face of the substrate. A first feeder electrode has at least a portion thereof provided on a side face and on the second principal face of the substrate. A second feeder electrode is provided on an inner wall face of a hole formed parallel to the first and second principal faces. The first feeder electrode and the ground electrode are kept in a non-contact state. The first feeder electrode and the second feeder electrode are in electrical contact. A mobile communication terminal using the surface-mount type antenna is small in size, exhibits small variations in characteristics, and provides high productivity and reliability.

摘要翻译： 表面安装型天线和使用该天线的通信终端。 散热器电极设置在基板的第一主面上。 接地电极设置在基板的第二主面上。 第一供电电极的至少一部分设置在基板的侧面和第二主面上。 第二供电电极设置在平行于第一和第二主面形成的孔的内壁面上。 第一馈电电极和接地电极保持非接触状态。 第一供电电极和第二供电电极是电接触的。 使用表面安装型天线的移动通信终端尺寸小，特性变化小，提供高生产率和可靠性。

公开(公告)号：US06850751B1

公开(公告)日：2005-02-01

申请号：US09522233

申请日：2000-03-09

申请人： Kengo Shiiba ,  Munenori Fujimura ,  Hitoshi Uchi ,  Shuichiro Yamaguchi ,  Takayuki Takeuchi ,  Yasuhiko Horio ,  Hiroshi Kawano ,  Hiromi Tokunaga

发明人： Kengo Shiiba ,  Munenori Fujimura ,  Hitoshi Uchi ,  Shuichiro Yamaguchi ,  Takayuki Takeuchi ,  Yasuhiko Horio ,  Hiroshi Kawano ,  Hiromi Tokunaga

IPC分类号： H01P1/387 ,  H04B1/26 ,  H04B1/44

CPC分类号： H01P1/387

摘要： A non-reciprocal circuit device has a length, a width, and a thickness denoted respectively by L1, L2, and L3, and the overall dimensions of 2.5 mm

摘要翻译： 不可逆电路装置具有分别由L1，L2和L3表示的长度，宽度和厚度，总尺寸为2.5mm

公开(公告)号：US06897815B2

公开(公告)日：2005-05-24

申请号：US10403046

申请日：2003-04-01

申请人： Kazuhide Goto ,  Yoshio Onaka ,  Makoto Yoshinomoto ,  Hiromi Sakita ,  Katsumi Sasaki ,  Kengo Shiiba

发明人： Kazuhide Goto ,  Yoshio Onaka ,  Makoto Yoshinomoto ,  Hiromi Sakita ,  Katsumi Sasaki ,  Kengo Shiiba

IPC分类号： H01Q13/08 ,  H01Q1/24 ,  H01Q1/38 ,  H01Q9/04 ,  H01Q21/28 ,  H01Q21/30

CPC分类号： H01Q21/30 ,  H01Q1/243 ,  H01Q1/38 ,  H01Q9/0407 ,  H01Q21/28

摘要： A surface-mount type antenna and a communication terminal using the same. A radiator electrode is provided on a first principal face of a substrate. A ground electrode is provided on the second principal face of the substrate. A first feeder electrode has at least a portion thereof provided on a side face and on the second principal face of the substrate. A second feeder electrode is provided on an inner wall face of a hole formed parallel to the first and second principal faces. The first feeder electrode and the ground electrode are kept in a non-contact state. The first feeder electrode and the second feeder electrode are in electrical contact. A mobile communication terminal using the surface-mount type antenna is small in size, exhibits small variations in characteristics, and provides high productivity and reliability.

摘要翻译： 表面安装型天线和使用该天线的通信终端。 散热器电极设置在基板的第一主面上。 接地电极设置在基板的第二主面上。 第一供电电极的至少一部分设置在基板的侧面和第二主面上。 第二供电电极设置在平行于第一和第二主面形成的孔的内壁面上。 第一馈电电极和接地电极保持非接触状态。 第一供电电极和第二供电电极是电接触的。 使用表面安装型天线的移动通信终端尺寸小，特性变化小，提供高生产率和可靠性。

公开(公告)号：US5021909A

公开(公告)日：1991-06-04

申请号：US340755

申请日：1989-04-19

申请人： Kengo Shiiba

发明人： Kengo Shiiba

IPC分类号： G11B5/39

CPC分类号： G11B5/3925 ,  G11B5/399 ,  G11B5/3932

摘要： A yoke type thin-film magneto-resistive heat includes a magneto-resistive element that detects the magnetic field generated in the magnetic recording medium as resistance changes, a yoke, that leads magnetic flux from the head gap to the above mentioned magneto-resistive element, a DC magnetic field application system, that applies a desirable weak magnetic field to the above mentioned longitudinal direction of the magneto-resistive element, and a conductor, that applies a desirable bias magnetic field to the above mentioned magneto-resistive element in the strip width direction. The easy axis of magnetization of the magneto-resistive element is inclined in a range of 20.degree.-40.degree. to the mentioned longitudinal direction of the magneto-resistive element, so that, anisotropic angle dispersion conditions are relaxed, at the same time, by applying a desirable bias magnetic field to the magneto-resistive element in the strip width direction. Also, by shifting the operating point to a point having excellent linearity, Barkhausen noise, caused by magnetization switching generated in the magnetic field area with the same direction as the bias magnetic field direction, can be suppressed, and the reproducing output signal can be of high fidelity.

公开(公告)号：US06862003B2

公开(公告)日：2005-03-01

申请号：US10244430

申请日：2002-09-17

申请人： Makoto Yoshinomoto ,  Hiromi Sakita ,  Kenzo Isozaki ,  Kengo Shiiba ,  Kazuhide Goto ,  Mitsuo Kanmera ,  Masanobu Kuroki ,  Katsumi Sasaki

发明人： Makoto Yoshinomoto ,  Hiromi Sakita ,  Kenzo Isozaki ,  Kengo Shiiba ,  Kazuhide Goto ,  Mitsuo Kanmera ,  Masanobu Kuroki ,  Katsumi Sasaki

IPC分类号： H01Q1/24 ,  H01Q1/36 ,  H01Q1/38 ,  H01Q11/08

CPC分类号： H01Q1/362 ,  H01Q1/243 ,  H01Q1/38 ,  H01Q11/08

摘要： A chip antenna that is simple in structure, produces small variation in antenna characteristics between individual antennas, and requires no circuit adjustments, is excellent in productivity. The chip antenna is capable of being mounted on a circuit board, as well as a wireless terminal using the chip antenna. A method of fabricating the chip antenna. A core body is made from an insulating material in a quadrangular or circular cylinder shape. A conductor in a helical shape is mounted on the side surface of the core body. A terminal portion is provided on the core body and electrically connected with an end portion of the conductor. The width, depth, and length of the core body are within ranges of 0.5-5 mm, 0.5-5 mm, and 4-40 mm, respectively. Intrinsic volume resistance and relative dielectric constant of the material are 1013 Ω·m or above and 40 or below, respectively.

摘要翻译： 结构简单的芯片天线在单个天线之间产生天线特性的小变化，不需要电路调整，生产率优异。 芯片天线能够安装在电路板上，以及使用芯片天线的无线终端。 一种制造芯片天线的方法。 芯体由四边形或圆柱形的绝缘材料制成。 螺旋形状的导体安装在芯体的侧表面上。 端子部分设置在芯体上并与导体的端部电连接。 芯体的宽度，深度和长度分别在0.5-5mm，0.5-5mm和4-40mm的范围内。 材料的体积电阻和相对介电常数分别为10 13Ω或以上，40以下。

公开(公告)号：US08507072B2

公开(公告)日：2013-08-13

申请号：US13041106

申请日：2011-03-04

申请人： Hidetsugu Fujimoto ,  Kengo Shiiba ,  Hiromi Sakita ,  Kouji Nishimura ,  Hatsuhiro Yano ,  Yoshihiko Takayama ,  Yoshitaka Mizoguchi ,  Yumie Watanabe

发明人： Hidetsugu Fujimoto ,  Kengo Shiiba ,  Hiromi Sakita ,  Kouji Nishimura ,  Kouichi Watanabe ,  Hatsuhiro Yano ,  Yoshihiko Takayama ,  Yoshitaka Mizoguchi

IPC分类号： G11B5/64

CPC分类号： H01Q1/22 ,  H01Q7/00 ,  Y10T29/49016 ,  Y10T428/24355 ,  Y10T428/249921 ,  Y10T428/31612

摘要： An antenna apparatus used in a wireless communication medium or a wireless communication medium processing apparatus constructed by a constitution of including a magnetic member in which a magnetic ceramic powder is used as a major component thereof and which is provided with flexibility; an antenna formed at a surface or inside of the magnetic member, and a matching circuit of the antenna formed at the surface or the inside of the magnetic member.

摘要翻译： 一种在无线通信介质中使用的天线装置或由包括使用磁性陶瓷粉末作为其主要成分并具有柔性的磁性构件构成的无线通信介质处理装置; 形成在磁性构件的表面或内部的天线，以及形成在磁性构件的表面或内部的天线的匹配电路。

公开(公告)号：US06486853B2

公开(公告)日：2002-11-26

申请号：US09855669

申请日：2001-05-16

申请人： Makoto Yoshinomoto ,  Hiromi Sakita ,  Kenzo Isozaki ,  Kengo Shiiba ,  Kazuhide Goto ,  Mitsuo Kanmera ,  Masanobu Kuroki ,  Katsumi Sasaki

发明人： Makoto Yoshinomoto ,  Hiromi Sakita ,  Kenzo Isozaki ,  Kengo Shiiba ,  Kazuhide Goto ,  Mitsuo Kanmera ,  Masanobu Kuroki ,  Katsumi Sasaki

IPC分类号： H01Q136

CPC分类号： H01Q1/362 ,  H01Q1/243 ,  H01Q1/38 ,  H01Q11/08

摘要： A chip antenna that is simple in structure, produces small variation in antenna characteristics between individual antennas, and requires no circuit adjustments, is excellent in productivity. The chip antenna is capable of being mounted on a circuit board, as well as a wireless terminal using the chip antenna. A method of fabricating the chip antenna. A core body is made from an insulating material in a quadrangular or circular cylinder shape. A conductor in a helical shape is mounted on the side surface of the core body. A terminal portion is provided on the core body and electrically connected with an end portion of the conductor. The width, depth, and length of the core body are within ranges of 0.5-5 mm, 0.5-5 mm, and 4-40 mm, respectively. Intrinsic volume resistance and relative dielectric constant of the material are 1013&OHgr;·m or above and 40 or below, respectively.

摘要翻译： 结构简单的芯片天线在单个天线之间产生天线特性的小变化，不需要电路调整，生产率优异。 芯片天线能够安装在电路板上，以及使用芯片天线的无线终端。 一种制造芯片天线的方法。 芯体由四边形或圆柱形的绝缘材料制成。 螺旋形状的导体安装在芯体的侧表面上。 端子部分设置在芯体上并与导体的端部电连接。 芯体的宽度，深度和长度分别在0.5-5mm，0.5-5mm和4-40mm的范围内。 材料的体积电阻和相对介电常数分别为1013OMEGA.m以上，40以下。