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    • 8. 发明申请
    • MEMS Force Sensors Fabricated Using Paper Substrates
    • 使用纸基板制造的MEMS力传感器
    • US20140224018A1
    • 2014-08-14
    • US13557861
    • 2012-07-25
    • George WhitesidesXinyu LiuXiuJun LiMartin M. ThuoMichael O'BrienYu Sun
    • George WhitesidesXinyu LiuXiuJun LiMartin M. ThuoMichael O'BrienYu Sun
    • G01P15/12B81B7/02
    • B81B7/02B81C1/0015G01G3/13G01L1/18G01P15/0802G01P15/123G01P15/18G01P2015/0862
    • MEMS devices fabricated using inexpensive substrate materials such as paper or fabric, are provided. Using paper as a substrate, low cost, simple to prepare, lightweight, disposable piezoresistive sensors, including accelerometers are prepared. Signal-processing circuitry can also be patterned on the substrate material.The sensors can be utilized as two-dimensional sensors, or the paper substrate material can be folded to arrange the sensors in a three dimensional conformation. For example, three sensors can be patterned on a paper substrate and folded into a cube such that the three sensors are orthogonally positioned on the faces of a cube, permitting simultaneous measurement of accelerations along three orthogonal directions (x-y-z). These paper-based sensors can be mass produced by incorporating highly developed technologies for automatic paper cutting, folding, and screen-printing.Also provided are methods of modifying paper for use as a substrate material in MEMS devices.
    • 提供了使用诸如纸或织物之类的便宜的基底材料制造的MEMS器件。 使用纸作为基材,成本低,制备简单,重量轻,一次性压阻式传感器,包括加速度计。 信号处理电路也可以在衬底材料上图案化。 传感器可以用作二维传感器,或者可以将纸基材料折叠成三维构型。 例如,可以将三个传感器图案化在纸基底上并折叠成立方体,使得三个传感器正交地放置在立方体的表面上,允许沿着三个正交方向(x-y-z)同时测量加速度。 这些纸基传感器可以通过结合高度开发的自动切纸,折叠和丝网印刷技术进行批量生产。 还提供了修改用作MEMS器件中的基底材料的纸的方法。
    • 10. 发明授权
    • Fingertip force, location, and orientation sensor
    • 指尖力,位置和方向传感器
    • US08724861B1
    • 2014-05-13
    • US13310957
    • 2011-12-05
    • Yu Sun
    • Yu Sun
    • G06K9/00
    • G06K9/00013G06F3/042G06F3/044G06K9/00067
    • An integrated system for studying human grasping techniques includes a fingerprint sensor and a force sensor for simultaneously measuring the contact position and orientation of a fingertip together with the contact force and torque exerted by the fingertip during a grasp. The system uses the fingerprint image obtained from the fingerprint sensor to identify the contact position and orientation of the fingertip based on fingerprint features such as the core point and local ridge orientations. The contact position and orientation of the fingertip are represented in a fingertip coordinate system. The system has utility in human grasping studies to characterize the fingertip contact.
    • 用于研究人体抓握技术的集成系统包括指纹传感器和力传感器,用于同时测量指尖的接触位置和取向以及在抓握期间由指尖施加的接触力和扭矩。 系统使用从指纹传感器获得的指纹图像,可以基于指纹特征(如核心点和局部脊线方向)来识别指尖的接触位置和方向。 指尖的接触位置和方向用指尖坐标系表示。 该系统在人体抓握研究中具有实用性,以表征指尖接触。