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    • 31. 发明授权
    • Method of generating X-ray diffraction data for integral detection of twin defects in super-hetero-epitaxial materials
    • 产生X射线衍射数据的方法,用于整体检测超异质外延材料中的双缺陷
    • US07558371B2
    • 2009-07-07
    • US12254150
    • 2008-10-20
    • Yeonjoon ParkSang Hyouk ChoiGlen C. KingJames R. Elliott
    • Yeonjoon ParkSang Hyouk ChoiGlen C. KingJames R. Elliott
    • G01N23/20
    • G01N23/207
    • A method provides X-ray diffraction data suitable for integral detection of a twin defect in a strained or lattice-matched epitaxial material made from components having crystal structures having symmetry belonging to different space groups. The material is mounted in an X-ray diffraction (XRD) system. In one embodiment, the XRD system's goniometer angle Ω is set equal to (θB−β) where θB is a Bragg angle for a designated crystal plane of the alloy that is disposed at a non-perpendicular orientation with respect to the {111) crystal plane, and β is the angle between the designated crystal plane and a {111} crystal plane of one of the epitaxial components. The XRD system's detector angle is set equal to (θB+β). The material can be rotated through an angle of azimuthal rotation φ about the axis aligned with the material. Using the detector, the intensity of the X-ray diffraction is recorded at least at the angle at which the twin defect occurs.
    • 一种方法提供了适用于由具有属于不同空间群的对称性的晶体结构的组分制成的应变或晶格匹配的外延材料中的双缺陷的积分检测的X射线衍射数据。 该材料安装在X射线衍射(XRD)系统中。 在一个实施例中,XRD系统的测角仪角度Ω被设置为等于(θB-β),其中θB是相对于{111)晶体以非垂直取向设置的合金的指定晶面的布拉格角 平面,β是指定的晶面与外延成分之一的{111}晶面之间的角度。 XRD系统的检测器角度设置为等于(θB+β)。 材料可以围绕与材料对准的轴线旋转方位角旋转角度。 使用检测器,至少以发生双瑕疵的角度记录X射线衍射的强度。
    • 32. 发明申请
    • Method Of Generating X-Ray Diffraction Data For Integral Detection Of Twin Defects In Super-Hetero-Epitaxial Materials
    • 产生X射线衍射数据的方法,用于在超异质外延材料中双缺陷的积分检测
    • US20090103680A1
    • 2009-04-23
    • US12254150
    • 2008-10-20
    • Yeonjoon ParkSang Hyouk ChoiGlen C. KingJames R. Elliott
    • Yeonjoon ParkSang Hyouk ChoiGlen C. KingJames R. Elliott
    • G01N23/207
    • G01N23/207
    • A method provides X-ray diffraction data suitable for integral detection of a twin defect in a strained or lattice-matched epitaxial material made from components having crystal structures having symmetry belonging to different space groups. The material is mounted in an X-ray diffraction (XRD) system. In one embodiment, the XRD system's goniometer angle Ω is set equal to (θB−β) where θB is a Bragg angle for a designated crystal plane of the alloy that is disposed at a non-perpendicular orientation with respect to the {111) crystal plane, and β is the angle between the designated crystal plane and a {111} crystal plane of one of the epitaxial components. The XRD system's detector angle is set equal to (θB+β). The material can be rotated through an angle of azimuthal rotation φ about the axis aligned with the material. Using the detector, the intensity of the X-ray diffraction is recorded at least at the angle at which the twin defect occurs.
    • 一种方法提供了适用于由具有属于不同空间群的对称性的晶体结构的组分制成的应变或晶格匹配的外延材料中的双缺陷的积分检测的X射线衍射数据。 该材料安装在X射线衍射(XRD)系统中。 在一个实施例中,XRD系统的测角仪角度Ω被设置为等于(θB-β),其中θB是相对于{111)晶体以非垂直取向设置的合金的指定晶面的布拉格角 平面,β是指定的晶面与外延成分之一的{111}晶面之间的角度。 XRD系统的检测器角度设置为等于(θB+β)。 材料可以围绕与材料对准的轴线旋转方位角旋转角度。 使用检测器,至少以发生双瑕疵的角度记录X射线衍射的强度。
    • 35. 发明申请
    • Apparatus and Method for Creating a Photonic Densely-Accumulated Ray-Point
    • 用于创建光子强积累的射线点的装置和方法
    • US20110024609A1
    • 2011-02-03
    • US12512344
    • 2009-07-30
    • Yeonjoon ParkSang H. ChoiGlen C. KingJames R. Elliott
    • Yeonjoon ParkSang H. ChoiGlen C. KingJames R. Elliott
    • G02B27/44H01L31/0232G03B27/32
    • G03B27/32G03F7/70316G03F7/70383
    • An optical apparatus includes an optical diffraction device configured for diffracting a predetermined wavelength of incident light onto adjacent optical focal points, and a photon detector for detecting a spectral characteristic of the predetermined wavelength. One of the optical focal points is a constructive interference point and the other optical focal point is a destructive interference point. The diffraction device, which may be a micro-zone plate (MZP) of micro-ring gratings or an optical lens, generates a constructive ray point using phase-contrasting of the destructive interference point. The ray point is located between adjacent optical focal points. A method of generating a densely-accumulated ray point includes directing incident light onto the optical diffraction device, diffracting the selected wavelength onto the constructive interference focal point and the destructive interference focal point, and generating the densely-accumulated ray point in a narrow region.
    • 光学装置包括被配置为将预定波长的入射光衍射到相邻的光学焦点上的光学衍射装置,以及用于检测预定波长的光谱特性的光子检测器。 其中一个光学焦点是一个建设性的干涉点,另一个光学焦点是一个破坏性的干涉点。 可以是微环形光栅的微区域(MZP)或光学透镜的衍射装置使用相消干涉点的相位对应产生建设性的射线点。 射线点位于相邻的光学焦点之间。 产生密集累积的射线点的方法包括将入射光引导到光学衍射装置上,将所选择的波长衍射到构造干涉焦点和破坏性干涉焦点上,并在狭窄区域中产生密集累积的射线点。