ANGULAR VELOCITY SENSOR
    1.
    发明申请
    ANGULAR VELOCITY SENSOR 有权
    角速度传感器

    公开(公告)号:US20110271758A1

    公开(公告)日:2011-11-10

    申请号:US13093328

    申请日:2011-04-25

    IPC分类号: G01C19/56

    CPC分类号: G01C19/5747

    摘要: In an angular velocity sensor, a beam portion couples a pair of vibrators with each other and couples each of the vibrators to a substrate to enable the pair of vibrators to be movable in a first direction and a second direction that are perpendicular to each other. The driving portion vibrates the pair of vibrators in opposite phases in the first direction. The detecting portion detects displacement of the pair of vibrators in the second direction as a change in capacitance. The detecting portion includes first and second detecting electrodes. The restricting portion restricts displacement of the pair of vibrators in the second direction based on the change in capacitance. The restricting portion includes first and second restricting electrodes, and an electrode interval between the restricting electrodes is twice a width of the detecting electrodes in the second direction.

    摘要翻译: 在角速度传感器中,梁部分将一对振动器彼此连接并将每个振动器耦合到基板,以使得一对振动器能够在彼此垂直的第一方向和第二方向上移动。 驱动部分在第一方向上以相反的相位振动一对振动器。 检测部分检测一对振动器在第二方向上的位移,作为电容的变化。 检测部分包括第一和第二检测电极。 限制部分基于电容的变化来限制一对振动器在第二方向上的位移。 限制部分包括第一和第二限制电极,并且限制电极之间的电极间隔是第二方向上检测电极宽度的两倍。

    Method of producing semiconductor device by dicing
    4.
    发明授权
    Method of producing semiconductor device by dicing 失效
    通过切割制造半导体器件的方法

    公开(公告)号:US5998234A

    公开(公告)日:1999-12-07

    申请号:US825456

    申请日:1997-03-28

    摘要: On a back face of a silicon wafer before dicing, tapered grooves having sloped side walls are formed by anisotropic etching along with thin portions. Strain gauges are formed on each thin portion, thereby forming a sensor chip on the silicon wafer. The back face of the silicon wafer is attached to a self-adhesive seat. Thereafter, the silicon wafer is cut along the grooves by a dicing blade to divide it into each sensor chip. In dicing, the side faces of the dicing blade cut the sloped side walls of the tapered grooves. As a result, the silicon wafer is diced into individual sensor chip having no cracks and chippings.

    摘要翻译: 在切割之前的硅晶片的背面上,具有倾斜侧壁的锥形槽通过各向异性蚀刻以及薄的部分形成。 应变计形成在每个薄部分上,从而在硅晶片上形成传感器芯片。 硅晶片的背面安装在自粘座上。 此后,通过切割刀片沿着沟槽切割硅晶片,以将其划分成每个传感器芯片。 在切割中,切割刀片的侧面切割锥形槽的倾斜侧壁。 结果,将硅晶片切割成没有裂纹和碎屑的单独的传感器芯片。

    Displacement detecting device
    5.
    发明授权
    Displacement detecting device 失效
    位移检测装置

    公开(公告)号:US5656936A

    公开(公告)日:1997-08-12

    申请号:US588329

    申请日:1996-01-18

    CPC分类号: G01D5/147 G01P3/488

    摘要: A displacement detector to obtain high-precision displacement detection with a small-sized, low-cost apparatus. A displacement detector comprises rectangular teeth formed on the outer circumference surface at a pitch of .lambda., a gearwheel made of a magnetic material, a magnet having a width larger than the pitch .lambda. of the gearwheel and so disposed that the N-pole thereof faces the teeth, and a pair of MREs constructed by alternately connecting the long strip portions and short strip portions thereof to have a zigzag shape. A uniform cyclic magnet field from the magnet to the gearwheel is formed within a gap between the gearwheel and the magnet. On the same phase of the magnet field are disposed the pair of MREs so that the directions of the long strip portions thereof and the directions of the magnetic force lines make angles of approximately 45.degree. and approximately 135.degree., respectively.

    摘要翻译: 一种位移检测器,用小型,低成本的装置获得高精度位移检测。 位移检测器包括以λ的间距形成在外圆周表面上的矩形齿,由磁性材料制成的齿轮,具有大于齿轮的间距λ的宽度的磁体,并且被布置成使得其N极面向 齿,以及通过交替地将长带部分和短条带部分交替地连接以形成锯齿形的一对MRE。 在磁体和磁体之间的间隙内形成有从磁体到齿轮的均匀的循环磁场。 在磁场的相同相位上设置一对MRE,使得其长条状部分的方向和磁力线的方向分别为大约45度和大约135度的角度。

    Semiconductor sensor method
    6.
    发明授权
    Semiconductor sensor method 失效
    半导体传感器方法

    公开(公告)号:US5587343A

    公开(公告)日:1996-12-24

    申请号:US401044

    申请日:1995-03-08

    摘要: A method for fabricating a semiconductor sensor wherein deflection of a movable member is disclosed. A silicon oxide film is formed on a silicon substrate, and a movable member composed of polycrystalline silicon is formed on the silicon oxide film by means of a low-pressured chemical vapor deposition process. At this time, silane is caused to flow into an oven, and the supply of silane is stopped when a layer of polycrystalline silicon has been deposited on the silicon substrate, and a first polycrystalline silicon layer is formed. By means of stopping the supply of silane, a silicon oxide layer of a thickness of several angstroms to several tens of angstroms is formed on the first polycrystalline silicon layer by atmosphere O.sub.2. A second polycrystalline silicon layer of a thickness of 1 .mu.m is formed on the silicon oxide layer by means of causing silane to flow into the oven. Patterning by dry etching or the like through a photo-lithographic process is performed to form a movable member. The silicon oxide film below the movable member is then etched.

    摘要翻译: 一种制造半导体传感器的方法,其中公开了可移动部件的偏转。 在硅基板上形成氧化硅膜,通过低压化学气相沉积工艺在氧化硅膜上形成由多晶硅构成的可动部件。 此时,使硅烷流入烘箱,当在硅衬底上沉积多晶硅层时,停止供给硅烷,形成第一多晶硅层。 通过停止硅烷的供给,通过气氛O2在第一多晶硅层上形成厚度为几埃至数十埃的氧化硅层。 通过使硅烷流入烘箱中,在氧化硅层上形成厚度为1μm的第二多晶硅层。 进行通过光刻法的干蚀刻等的图案化,形成可动部件。 然后蚀刻可动件下方的氧化硅膜。

    Dynamic quantity sensor device and manufacturing method of the same
    8.
    发明授权
    Dynamic quantity sensor device and manufacturing method of the same 有权
    动力传感器装置及其制造方法相同

    公开(公告)号:US08829627B2

    公开(公告)日:2014-09-09

    申请号:US13479393

    申请日:2012-05-24

    摘要: A dynamic quantity sensor device includes: first and second dynamic quantity sensors having first and second dynamic quantity detecting units; and first and second substrates, which are bonded to each other to provide first and second spaces. The first and second units are air-tightly accommodated in the first and second spaces, respectively. A SOI layer of the first substrate is divided into multiple semiconductor regions by trenches. First and second parts of the semiconductor regions provide the first and second units, respectively. The second part includes: a second movable semiconductor region having a second movable electrode, which is provided by a sacrifice etching of the embedded oxide film; and a second fixed semiconductor region having a second fixed electrode. The second sensor detects the second dynamic quantity by measuring a capacitance between the second movable and fixed electrodes, which is changeable in accordance with the second dynamic quantity.

    摘要翻译: 动态量传感器装置包括:具有第一和第二动态量检测单元的第一和第二动态量传感器; 以及彼此结合以提供第一和第二空间的第一和第二基板。 第一和第二单元分别气密地容纳在第一和第二空间中。 第一衬底的SOI层被沟槽分成多个半导体区域。 半导体区域的第一和第二部分分别提供第一和第二单元。 第二部分包括:具有第二可移动电极的第二可移动半导体区域,其通过对嵌入的氧化膜的牺牲蚀刻而提供; 以及具有第二固定电极的第二固定半导体区域。 第二传感器通过测量可根据第二动态量改变的第二可动电极和固定电极之间的电容来检测第二动态量。

    Physical quantity sensor having angular speed sensor and acceleration sensor
    9.
    发明授权
    Physical quantity sensor having angular speed sensor and acceleration sensor 有权
    具有角速度传感器和加速度传感器的物理量传感器

    公开(公告)号:US07290449B2

    公开(公告)日:2007-11-06

    申请号:US11079246

    申请日:2005-03-15

    申请人: Kenichi Ao

    发明人: Kenichi Ao

    IPC分类号: G01C19/56 G01P9/04

    CPC分类号: G01C19/5719 G01P15/125

    摘要: A physical quantity sensor includes: a substrate; an angular speed sensor disposed on the substrate; and an acceleration sensor disposed on the substrate. The angular speed sensor includes an oscillator capable of oscillating by a driving force and displaceable in accordance with a Coriolis force attributed to an angular speed of the oscillator. The acceleration sensor includes a movable portion displaceable in accordance with an acceleration applied to the acceleration sensor. The oscillator has a driving direction, which is not parallel to a displacement direction of the movable portion. The physical quantity sensor having the angular speed sensor and the acceleration sensor detects both of the angular speed and the acceleration with high accuracy.

    摘要翻译: 物理量传感器包括:基板; 设置在所述基板上的角速度传感器; 以及设置在基板上的加速度传感器。 角速度传感器包括能够通过驱动力振动并且可以根据归因于振荡器的角速度的科里奥利力移动的振荡器。 加速度传感器包括可根据施加到加速度传感器的加速度移动的可移动部分。 振荡器具有与可动部的位移方向不平行的驱动方向。 具有角速度传感器和加速度传感器的物理量传感器以高精度检测角速度和加速度两者。

    Physical quantity sensor having angular speed sensor and acceleration sensor
    10.
    发明申请
    Physical quantity sensor having angular speed sensor and acceleration sensor 有权
    物理量传感器具有角速度传感器和加速度传感器

    公开(公告)号:US20050217377A1

    公开(公告)日:2005-10-06

    申请号:US11079246

    申请日:2005-03-15

    申请人: Kenichi Ao

    发明人: Kenichi Ao

    CPC分类号: G01C19/5719 G01P15/125

    摘要: A physical quantity sensor includes: a substrate; an angular speed sensor disposed on the substrate; and an acceleration sensor disposed on the substrate. The angular speed sensor includes an oscillator capable of oscillating by a driving force and displaceable in accordance with a Coriolis force attributed to an angular speed of the oscillator. The acceleration sensor includes a movable portion displaceable in accordance with an acceleration applied to the acceleration sensor. The oscillator has a driving direction, which is not parallel to a displacement direction of the movable portion. The physical quantity sensor having the angular speed sensor and the acceleration sensor detects both of the angular speed and the acceleration with high accuracy.

    摘要翻译: 物理量传感器包括:基板; 设置在所述基板上的角速度传感器; 以及设置在基板上的加速度传感器。 角速度传感器包括能够通过驱动力振动并且可以根据归因于振荡器的角速度的科里奥利力移动的振荡器。 加速度传感器包括可根据施加到加速度传感器的加速度移动的可移动部分。 振荡器具有与可动部的位移方向不平行的驱动方向。 具有角速度传感器和加速度传感器的物理量传感器以高精度检测角速度和加速度两者。