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    • 76. 发明授权
    • 인쇄회로기판에 집적된 자계검출소자 및 그 제조방법
    • 인쇄회로기판에집적된자계검출소자및그제조방
    • KR100464098B1
    • 2005-01-03
    • KR1020020013753
    • 2002-03-14
    • 삼성전기주식회사
    • 최원열박건양고병천강명삼나경원최상언
    • H01L43/00G01R33/02
    • G01R33/05G01R15/185G01R33/04Y10T29/49073Y10T29/49075
    • A fluxgate sensor integrated in a printed circuit board. The fluxgate sensor has soft magnetic cores having a lower core and an upper core mounted on the lower core, for forming a closed magnetic path on a printed circuit board, an excitation coil formed as a metal film, alternately winding the upper and the lower soft magnetic cores substantially in a number '8' pattern, and a pick-up coil formed as a metal film, having a structure of winding the upper and the lower soft magnetic cores substantially in a solenoid pattern, the pick-up coil being placed on the same plane as an external contour of the excitation coil. The fluxgate sensor integrated in the printed circuit board can be mass-produced at a cheap manufacturing cost. The fluxgate sensor also can be made compact-sized, and at the same time, is capable of forming a closed-magnetic path. As a result, flux leakage is minimized, and the fluxgate sensor has a high sensitivity as it detects the magnetic field through a variable driving.
    • 集成在印刷电路板中的磁通门传感器。 磁通门传感器具有软磁芯,其具有下芯和安装在下芯上的上芯,用于在印刷电路板上形成闭合磁路,励磁线圈形成为金属膜,交替地缠绕上软芯和下软芯 具有基本上为数字“8”形式的磁芯和形成为金属膜的拾取线圈,具有将上部和下部软磁芯基本上以螺线管图案缠绕的结构,拾取线圈被置于 与励磁线圈的外部轮廓相同的平面。 集成在印刷电路板中的磁通门传感器可以以便宜的制造成本批量生产。 磁通门传感器也可以制成紧凑尺寸,并且同时能够形成闭合磁路。 结果,磁通泄漏被最小化,并且磁通门传感器通过可变驱动检测磁场时具有高灵敏度。
    • 79. 发明公开
    • 비가역 소자 및 그것을 이용한 통신 장치
    • 非接口电路元件和通信设备
    • KR1020010015146A
    • 2001-02-26
    • KR1020000037753
    • 2000-07-03
    • 가부시키가이샤 무라타 세이사쿠쇼
    • 마키노도시히로데지마히로키가와나미다카시하세가와다카시모리마사카츠조도다카히로
    • H01P1/32
    • H01P1/387Y10T29/4902Y10T29/49075Y10T29/49158Y10T29/49176
    • PURPOSE: To improve impact resistance, to improve precision of a size and to easily reduce a cost by forming an input/output terminal and a earth terminal, and insert-mold-forming a case, which houses a ferrite plate, a line conductor, a magnet and the other parts and arranges an upper yoke and a lower yoke on the upper/lower surfaces of the case, with the lower yoke. CONSTITUTION: A resin case 1 is insert-molded with a magnetic lower yoke 9, input/output terminals 2a, and 2b and earth terminals 3. The terminals 3 are provided integrally with the yoke 9, and the terminals 2a, 2b are provided in the state of being insulated from the yoke 9. A part of the yoke 9 is pulled out as the four earth terminals 3 and the case 1 is insert-molded with the terminals 2a and 2b. By insert-molding the case with the yoke 9 like this, soldering of the lower yoke to the terminal provided at the case is unnecessitated to improve impact resistance.
    • 目的:为了提高耐冲击性,通过形成输入/输出端子和接地端子,提高尺寸的精度并且容易地降低成本,并且嵌入成型壳体,其容纳铁氧体板,线路导体, 一个磁体和另一个部分,并且在下壳体的上/下表面上安排上磁轭和下磁轭。 构成:树脂外壳1嵌入成型有磁性下轭9,输入输出端子2a,2b和接地端子3.端子3与磁轭9一体设置,端子2a,2b设置在 与磁轭9绝缘的状态。磁轭9的一部分作为四个接地端子3被拉出,壳体1与端子2a和2b嵌入成型。 通过这样用轭9嵌入模制壳体,不需要将下磁轭焊接到设置在壳体上的端子,以提高耐冲击性。