THREE-AXIS MAGNETIC SENSOR AND METHOD FOR MANUFACTURING THE SAME
    4.
    发明申请
    THREE-AXIS MAGNETIC SENSOR AND METHOD FOR MANUFACTURING THE SAME 审中-公开
    三轴磁传感器及其制造方法

    公开(公告)号:US20120268113A1

    公开(公告)日:2012-10-25

    申请号:US13517526

    申请日:2012-06-13

    IPC分类号: G01R33/09 G01R3/00

    摘要: In a three-axis magnetic sensor, a plurality of magnetoresistive effect element bars are connected in series by means of bias magnets formed on a flat surface parallel to the flat surface of the substrate to constitute magnetoresistive effect elements. The sensitivity direction of magnetization is a direction perpendicular to the longitudinal direction of each of the magnetoresistive effect element bars. Magnetoresistive effect elements forming X-axis and Y-axis sensors have magnetization directions that are orthogonal to each other. Magnetoresistive effect elements of the Z-axis sensor are formed on a tilted surface substrate in such a way that the magnetization direction is inside the tilted surface. The sensitivity direction of the Z-axis sensor is perpendicular to the longitudinal direction of the magnetoresistive effect element bar.

    摘要翻译: 在三轴磁传感器中,多个磁阻效应元件棒通过形成在平行于基板的平坦表面的平坦表面上的偏置磁铁串联连接,以构成磁阻效应元件。 磁化的灵敏度方向是垂直于每个磁阻效应元件棒的纵向的方向。 形成X轴和Y轴传感器的磁阻效应元件具有彼此正交的磁化方向。 Z轴传感器的磁阻效应元件形成在倾斜表面基板上,使得磁化方向在倾斜表面内。 Z轴传感器的灵敏度方向垂直于磁阻效应元件棒的纵向方向。

    Three-Axis Magnetic Sensor and Method for Manufacturing the Same
    5.
    发明申请
    Three-Axis Magnetic Sensor and Method for Manufacturing the Same 审中-公开
    三轴磁传感器及其制造方法

    公开(公告)号:US20090027048A1

    公开(公告)日:2009-01-29

    申请号:US11908549

    申请日:2006-03-17

    IPC分类号: G01R33/09 G01R3/00

    摘要: In the three-axis magnetic sensor of the present invention, a plurality of magnetoresistive effect element bars are connected in series by means of bias magnets to constitute magnetoresistive effect elements, and magnetoresistive effect elements of the X-axis sensor and those of the Y-axis sensor are formed on a flat surface parallel to the flat surface of the substrate. The sensitivity direction of magnetization is a direction vertical to the longitudinal direction of each of the magnetoresistive effect element bars, and magnetoresistive effect elements of the X-axis sensor and those of the Y-axis sensor are formed in such a way that the magnetization directions are orthogonal to each other. Further, magnetoresistive effect elements of the Z-axis sensor are formed on a tilted surface of the projection projected from the flat surface of the substrate in such a way that the magnetization direction is inside the tilted surface. The Z-axis sensor is provided in such a way that the sensitivity direction is vertical to the longitudinal direction of the magnetoresistive effect element bar.

    摘要翻译: 在本发明的三轴磁传感器中,多个磁阻效应元件棒通过偏置磁铁串联连接,构成磁阻效应元件,X轴传感器和Y轴传感器的磁阻效应元件, 轴传感器形成在平行于基板的平坦表面的平坦表面上。 磁化的灵敏度方向是垂直于每个磁阻效应元件棒的纵向的方向,并且X轴传感器和Y轴传感器的磁阻效应元件以这样的方式形成,使得磁化方向 彼此正交。 此外,Z轴传感器的磁阻效应元件形成在从基板的平坦表面突出的突起的倾斜表面上,使得磁化方向在倾斜表面内。 Z轴传感器以灵敏度方向垂直于磁阻效应元件棒的纵向的方式设置。

    Method and apparatus for measuring magnetic offset of geomagnetic sensor and portable electronic apparatus
    6.
    发明申请
    Method and apparatus for measuring magnetic offset of geomagnetic sensor and portable electronic apparatus 有权
    用于测量地磁传感器和便携式电子设备的磁偏移的方法和装置

    公开(公告)号:US20050283988A1

    公开(公告)日:2005-12-29

    申请号:US11150643

    申请日:2005-06-10

    IPC分类号: G01C17/38 G01D5/244 G01D18/00

    CPC分类号: G01D3/0365 G01C17/38

    摘要: A method is designed for measuring a magnetic offset of a geomagnetic sensor equipped in a portable information terminal apparatus having a storage. The geomagnetic sensor has a magnetic sensitivity to a geomagnetic field and is affected by magnetization to cause the magnetic offset. In the method, an output of the geomagnetic sensor is measured to successively provide measurement data of the geomagnetic field from the output of the geomagnetic sensor. The measurement data is stored in the storage. The measurement data is read out from the storage when a number of the measurement data stored in the storage reaches a predetermined number, and an offset value of the magnetic offset is estimated based on the predetermined number of the measurement data read out from the storage.

    摘要翻译: 一种设计用于测量配备在具有存储器的便携式信息终端设备中的地磁传感器的磁偏移的方法。 地磁传感器对地磁场具有磁性灵敏度,并受磁化影响,导致磁偏移。 在该方法中,测量地磁传感器的输出,以从地磁传感器的输出连续提供地磁场的测量数据。 测量数据存储在存储器中。 当存储在存储器中的测量数据的数量达到预定数量时,从存储器读出测量数据,并且基于从存储器读出的预定数量的测量数据来估计磁偏移的偏移值。

    Method and apparatus for measuring magnetic offset of geomagnetic sensor and portable electronic apparatus
    7.
    发明授权
    Method and apparatus for measuring magnetic offset of geomagnetic sensor and portable electronic apparatus 有权
    用于测量地磁传感器和便携式电子设备的磁偏移的方法和装置

    公开(公告)号:US07210236B2

    公开(公告)日:2007-05-01

    申请号:US11150643

    申请日:2005-06-10

    IPC分类号: G01C17/38

    CPC分类号: G01D3/0365 G01C17/38

    摘要: A method is designed for measuring a magnetic offset of a geomagnetic sensor equipped in a portable information terminal apparatus having a storage. The geomagnetic sensor has a magnetic sensitivity to a geomagnetic field and is affected by magnetization to cause the magnetic offset. In the method, an output of the geomagnetic sensor is measured to successively provide measurement data of the geomagnetic field from the output of the geomagnetic sensor. The measurement data is stored in the storage. The measurement data is read out from the storage when a number of the measurement data stored in the storage reaches a predetermined number, and an offset value of the magnetic offset is estimated based on the predetermined number of the measurement data read out from the storage.

    摘要翻译: 一种设计用于测量配备在具有存储器的便携式信息终端设备中的地磁传感器的磁偏移的方法。 地磁传感器对地磁场具有磁性灵敏度,并受磁化影响,导致磁偏移。 在该方法中,测量地磁传感器的输出,以从地磁传感器的输出连续提供地磁场的测量数据。 测量数据存储在存储器中。 当存储在存储器中的测量数据的数量达到预定数量时,从存储器读出测量数据,并且基于从存储器读出的预定数量的测量数据来估计磁偏移的偏移值。

    Magnetic sensor and manufacturing method therefor
    8.
    发明授权
    Magnetic sensor and manufacturing method therefor 有权
    磁传感器及其制造方法

    公开(公告)号:US09054028B2

    公开(公告)日:2015-06-09

    申请号:US13459644

    申请日:2012-04-30

    摘要: A magnetic sensor for detecting the intensity of a magnetic field in three axial directions, in which a plurality of giant magnetoresistive elements are formed on a single semiconductor substrate. A thick film is formed on the semiconductor substrate; giant magnetoresistive elements forming X-axis and Y-axis sensors are formed on a planar surface thereof; and giant magnetoresistive elements forming a Z-axis sensor are formed using slopes of channels in the thick film. Each of the slopes of the channels can be constituted of a first slope and a second slope, so that a magneto-sensitive element is formed on the second slope having a larger inclination angle. In order to optimize the slope shape and inclination with respect to each channel, it is possible to form a dummy slope that does not directly relate to the formation of the giant magnetoresistive elements.

    摘要翻译: 一种磁传感器,用于检测在单个半导体衬底上形成多个巨磁电阻元件的三个轴向的磁场强度。 在半导体衬底上形成厚膜; 在其平面上形成形成X轴和Y轴传感器的巨磁阻元件; 并且使用厚膜中的沟道的斜面形成形成Z轴传感器的巨磁阻元件。 通道的每个斜面都可以由第一斜面和第二斜面构成,从而在具有较大倾斜角的第二斜面上形成磁敏元件。 为了优化相对于每个通道的斜率形状和倾斜度,可以形成与形成巨磁阻元件没有直接关系的虚拟斜率。

    COMPASS SENSOR UNIT AND PORTABLE ELECTRONIC DEVICE
    9.
    发明申请
    COMPASS SENSOR UNIT AND PORTABLE ELECTRONIC DEVICE 有权
    COMPASS传感器单元和便携式电子设备

    公开(公告)号:US20080091372A1

    公开(公告)日:2008-04-17

    申请号:US11948921

    申请日:2007-11-30

    IPC分类号: G01C17/38

    CPC分类号: G01C17/38

    摘要: In a compass sensor unit, an azimuth data computing method is carried out by the steps of: inputting a signal from a geomagnetic sensor to measure magnetic field; determining whether to store measurement data of the magnetic field based on a distance from the last stored measurement data; calculating an offset value based on the stored data; making a comparison for each component of a plurality of measurement data used for calculating the offset value, and judging the offset value to be valid when a difference between the maximum and minimum values of each component is a given value or more; updating the already stored offset value to the offset value judged to be valid; and correcting newly provided measurement data by the updated offset value to compute azimuth data.

    摘要翻译: 在罗盘传感器单元中,通过以下步骤执行方位数据计算方法:输入来自地磁传感器的信号以测量磁场; 基于距离最后存储的测量数据的距离确定是否存储磁场的测量数据; 基于所存储的数据计算偏移值; 对用于计算偏移值的多个测量数据的每个分量进行比较,并且当每个分量的最大值和最小值之间的差是给定值或更大时,判断偏移值是有效的; 将已经存储的偏移值更新为判断为有效的偏移值; 并通过更新的偏移值对新提供的测量数据进行校正,以计算方位数据。