Sharp scattering angle trap for electron beam apparatus
    6.
    发明授权
    Sharp scattering angle trap for electron beam apparatus 有权
    用于电子束装置的夏普散射角捕获器

    公开(公告)号:US08890066B1

    公开(公告)日:2014-11-18

    申请号:US11265811

    申请日:2005-11-03

    IPC分类号: G21K5/04

    摘要: One embodiment relates to an electron beam apparatus. The apparatus includes a source for generating an incident electron beam, an electron lens for focusing the incident electron beam so that the beam impinges upon a substrate surface and interacts with surface material so as to cause secondary emission of scattered electrons, and a detector configured to detect the scattered electrons. The apparatus further includes an advantageous device configured to trap the scattered electrons which are emitted at sharp angles relative to the sample surface plane of the substrate surface. Other embodiments are also disclosed.

    摘要翻译: 一个实施例涉及电子束装置。 该装置包括用于产生入射电子束的源,用于聚焦入射电子束的电子透镜,使得光束撞击在衬底表面上并与表面材料相互作用以引起散射电子的二次发射;以及检测器,被配置为 检测散射的电子。 该装置还包括有利的装置,其被配置为捕获相对于衬底表面的样品表面平面以锐角发射的散射电子。 还公开了其他实施例。