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    • 3. 发明授权
    • Current sensor
    • 电流传感器
    • US08593134B2
    • 2013-11-26
    • US13042833
    • 2011-03-08
    • Susumu HarataniHitoshi YamaguchiMasahiro MiyazakiShigeru Shimura
    • Susumu HarataniHitoshi YamaguchiMasahiro MiyazakiShigeru Shimura
    • G01R15/20
    • G01R15/205B82Y25/00G01R33/093
    • A current sensor includes first to fourth magneto-resistive elements each having a resistance value; and a compensation current line applying a compensation magnetic field to the magneto-resistive elements. A bridge circuit is formed by the magneto-resistive elements. Resistance values of the first and third magneto-resistive elements change together in one increasing/decreasing direction. Resistance values of the second and fourth magneto-resistive elements change together in the other increasing/decreasing direction. The compensation current is generated by a potential difference between the first and second junctions in response to application of voltage between the third and fourth junctions. The compensation current line includes first to fourth line portions. Each line portion extends in the same direction as the extending direction of the magneto-resistive elements, overlaps the corresponding magneto-resistive elements, and. The current-to-be-detected is detected based on the compensation current.
    • 电流传感器包括各自具有电阻值的第一至第四磁阻元件; 以及向磁阻元件施加补偿磁场的补偿电流线。 桥接电路由磁阻元件形成。 第一和第三磁阻元件的电阻值在一个递减方向上一起变化。 第二和第四磁阻元件的电阻值在另一个增加/减小方向上一起变化。 响应于在第三和第四结之间的电压施加,补偿电流由第一和第二结之间的电位差产生。 补偿电流线包括第一至第四线部分。 每个线部分沿与磁阻元件的延伸方向相同的方向延伸,与相应的磁阻元件重叠。 基于补偿电流检测要检测的电流。
    • 5. 发明授权
    • Electronic component
    • 电子元器件
    • US07586048B2
    • 2009-09-08
    • US11528331
    • 2006-09-28
    • Akira FuruyaMasahiro MiyazakiHajime KuwajimaMakoto Shibata
    • Akira FuruyaMasahiro MiyazakiHajime KuwajimaMakoto Shibata
    • H01L23/28H05K7/14
    • H01F17/0006H01F27/29H01F2017/0046H01G4/228H01G4/252
    • The invention relates to a surface mount type electronic component to be mounted on a printed circuit board or a hybrid IC (HIC) and provides a low-cost electronic component which is reliable in terms of heat resistance and pressure resistance. An inductor as the electronic component has a general outline in the form of a rectangular parallelepiped, provided by forming a lead-out electrode having a multi-layer structure on a substrate and forming a protective layer for protecting the lead-out electrode using thin film forming techniques. The lead-out electrode includes a first electrode which is electrically connected to a coil conductor and which has an exposed part exposed on an outer surface and a second electrode which has an exposed part exposed on the outer surface to extend an electrode width different from an electrode width of the first electrode and which is formed directly above the first electrode and electrically connected to the first electrode.
    • 本发明涉及一种安装在印刷电路板或混合IC(HIC)上的表面贴装型电子元件,并且提供了一种在耐热性和耐压性方面是可靠的低成本电子部件。 作为电子部件的电感器具有长方体形状的一般轮廓,通过在基板上形成具有多层结构的引出电极,并形成用于使用薄膜保护引出电极的保护层 成型技术。 引出电极包括电连接到线圈导体并且具有暴露在外表面上的暴露部分的第一电极和具有暴露在外表面上的暴露部分的第二电极,以延伸不同于 第一电极的电极宽度,并且直接形成在第一电极的上方并与第一电极电连接。