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    • 1. 发明申请
    • Mechanical Quantity Measuring Device
    • 机械量测量装置
    • US20150276517A1
    • 2015-10-01
    • US14403385
    • 2012-05-25
    • Kisho AshidaHiroyuki OhtaHiromi ShimazuKenichi Kasai
    • Kisho AshidaHiroyuki OhtaHiromi ShimazuKenichi Kasai
    • G01L1/22
    • G01L1/2293G01L1/18G01L1/2243
    • A load cell including sensor chip (1) on which plural resistive elements rectangular in a plan view are formed, and a member (2) is provided on a front surface side of a semiconductor substrate made of silicon single crystal. The member (2) includes a load portion (3), a fixed pedestal portion (4), and a strain generation portion (5) that is spaced apart from the load portion (3) and the fixed pedestal portion (4), and arranged between the load portion (3) and the fixed pedestal portion (4). The sensor chip (1) is attached onto a front side surface (2a) of the strain generation portion (5) of the member (2) so that a direction of the silicon single crystal in the semiconductor substrate is parallel to a load direction, and a longitudinal direction of the plural resistive elements has an angle of 45° with respect to a load direction.
    • 一种传感器芯片(1)的测力传感器,其上形成有平面图中矩形的多个电阻元件,并且在由硅单晶制成的半导体衬底的正面侧设置有构件(2)。 构件(2)包括负载部分(3),固定基座部分(4)和与负载部分(3)和固定基座部分(4)间隔开的应变产生部分(5),以及 布置在负载部分(3)和固定基座部分(4)之间。 传感器芯片(1)安装在构件(2)的应变产生部分(5)的前侧表面(2a)上,使得半导体衬底中的单晶硅的<100>方向平行于 多个电阻元件的纵向方向相对于负载方向具有45°的角度。
    • 3. 发明申请
    • Mechanical quantity measuring apparatus
    • 机械量测量仪
    • US20070240519A1
    • 2007-10-18
    • US11698584
    • 2007-01-25
    • Hiromi ShimazuHiroyuki Ohta
    • Hiromi ShimazuHiroyuki Ohta
    • G01B7/16
    • G01B7/18
    • It is an object to prevent breakage of a mechanical quantity measuring apparatus made of a monocrystalline silicon substrate due to a large distortion. A mounting board for measuring distortion is provided on a rear surface of a sensor chip made of a semiconductor monocrystalline substrate having a distortion detecting unit. Even when a large distortion occurs in an object to be measured, a distortion occurring in the semiconductor monocrystalline substrate can be controlled by the mounting board. Therefore, the semiconductor monocrystalline substrate is not broken, and a highly reliable mechanical quantity measuring apparatus can be provided.
    • 其目的是防止由于大的变形而由单晶硅衬底制成的机械量测量装置的破损。 用于测量变形的安装板设置在由具有失真检测单元的半导体单晶衬底制成的传感器芯片的后表面上。 即使在要测量的对象发生大的失真,也可以通过安装基板来控制在半导体单晶衬底中产生的变形。 因此,半导体单晶衬底不会破裂,并且可以提供高度可靠的机械量测量装置。
    • 6. 发明授权
    • Strain measuring device
    • 应变测量装置
    • US07893810B2
    • 2011-02-22
    • US11844374
    • 2007-08-24
    • Hiroyuki OhtaHiromi ShimazuYohei Tanno
    • Hiroyuki OhtaHiromi ShimazuYohei Tanno
    • G01L1/22
    • G01L1/2293
    • A strain measuring device according to the present invention includes a bridged circuit comprising a p-type impurity diffused resistor as a strain detective portion and a bridged circuit comprising an n-type impurity diffused resistor as a strain detective portion in a semiconductor single crystalline substrate, and sheet resistance of the p-type impurity diffused resistor is 1.67 to 5 times higher than that of the n-type impurity diffused resistor. Furthermore, it is preferable that the impurity diffused resistor be configured to be a meander shape comprising strip lines and connecting portions. Moreover, it is preferable that the number of strip lines in the p-type impurity diffused resistor be smaller than that in the n-type impurity diffused resistor.
    • 根据本发明的应变测量装置包括:桥接电路,包括作为应变检测部分的p型杂质扩散电阻器和包括作为半导体单晶衬底中的应变检测部分的n型杂质扩散电阻器的桥接电路, p型杂质扩散电阻器的薄层电阻比n型杂质扩散电阻器的薄层电阻高1.67〜5倍。 此外,优选地,杂质扩散电阻器被构造为包括带状线和连接部分的曲折形状。 此外,优选的是,p型杂质扩散电阻器中的带状线的数量小于n型杂质扩散电阻器中的带状线数。