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    • 9. 发明授权
    • Positioning device comprising a light beam
    • 定位装置包括光束
    • US09243898B2
    • 2016-01-26
    • US14251812
    • 2014-04-14
    • CSEM Centre Suisse d'Electronique et de Microtechnique SA Recherche et Developpement
    • Peter MasaDavid HaslerEric GrenetRoss Stanley
    • G01B11/14G01J1/04G01S3/781G01S3/783G01S5/16
    • G01B11/14G01J1/0437G01S3/781G01S3/7835G01S5/16G01S5/163
    • A position measurement system for determining 2D displacement or position of a mobile element with respect to a reference frame, including: a point light; an optical mask having transparent and opaque areas defining a repetitive pattern on at least one side of its surfaces; an imager, fixed to a mobile element, including integrated electronic circuits allowing detection, computing and analyzing of a shadow projected by the optical mask. The position measurement system includes an optical diffuser plate between the light source and the mask. The imager, mask and diffuser plate form an assembly so as to produce a light spot created by the scattering of the incident light beam emitted by the light source on the diffuser plate. The mask positioned between the diffuser plate and imager, produces a shadow on the imager, allowing to compute and provide 2D position of the mobile element relative to the fixed reference frame.
    • 一种用于确定移动元件相对于参考框架的2D位移或位置的位置测量系统,包括:点光源; 具有在其表面的至少一侧限定重复图案的透明和不透明区域的光学掩模; 固定到移动元件的成像器,包括允许检测,计算和分析由光学掩模投影的阴影的集成电子电路。 位置测量系统包括在光源和掩模之间的光学漫射板。 成像器,掩模和扩散板形成组件,以便产生由光源在扩散板上发射的入射光束的散射所产生的光斑。 位于扩散器板和成像器之间的掩模在成像器上产生阴影,允许计算并提供相对于固定参考系的移动元件的2D位置。
    • 10. 发明授权
    • High-sensitivity X-ray detector
    • 高灵敏度X射线探测器
    • US09086493B2
    • 2015-07-21
    • US13766794
    • 2013-02-14
    • CSEM—Centre Suisse d'Electronique et de Microtechnique SA—Recherche et Developpement
    • Rolf KaufmannPeter Seitz
    • G01T1/20
    • G01T1/2006G01T1/2018
    • A device for the sensitive detection of X-rays comprises a structured scintillator screen optically coupled to a semiconductor image sensor. The scintillator screen comprises individual columnar elements covered with material showing high optical reflection. Each columnar element represents a pixel, and light flashes created by an X-ray photon in a scintillating event exit through a short surface of the columnar element for detection with a semiconductor image sensor. The semiconductor image sensor comprises a multitude of photosensor elements, and one or more of these photosensor elements receives light from a scintillator screen pixel. Each photosensor element of the image sensor comprises a semiconductor volume where photocharge is created, a lateral drift-field device for the collection of photocharge, an electronic detection circuit for the conversion of collected photocharge packets either into proportional voltage pulses, into binary signals indicating the arrival of X-ray photons or into digital signals whose values correspond to the energy of the incident X-ray photons.
    • 用于敏感检测X射线的装置包括光耦合到半导体图像传感器的结构闪烁体屏幕。 闪烁体屏幕包括用显示高光学反射的材料覆盖的单个柱状元件。 每个柱状元素表示像素,并且由闪烁事件中的X射线光子产生的光闪烁通过柱状元件的短表面从半导体图像传感器检测。 半导体图像传感器包括多个光电传感器元件,并且这些光传感器元件中的一个或多个接收来自闪烁体屏幕像素的光。 图像传感器的每个光电传感器元件包括产生光电荷的半导体体积,用于收集光电荷的横向漂移场设备,用于将收集的光电荷分组转换成比例电压脉冲的电子检测电路, X射线光子的到达或数字信号的值对应于入射的X射线光子的能量。