X-ray scatterometry apparatus
    190.
    发明授权

    公开(公告)号:US09606073B2

    公开(公告)日:2017-03-28

    申请号:US14735162

    申请日:2015-06-10

    CPC classification number: G01N23/201 G01N2223/6116

    Abstract: Apparatus, including a sample-support that retains a sample in a plane having an axis, the plane defining first and second regions separated by the plane. A source-mount in the first region rotates about the axis, and an X-ray source on the source-mount directs first and second incident beams of X-rays to impinge on the sample at first and second angles along beam axes that are orthogonal to the axis. A detector-mount in the second region moves in a plane orthogonal to the axis and an X-ray detector on the detector-mount receives first and second diffracted beams of X-rays transmitted through the sample in response to the first and second incident beams, and outputs first and second signals, respectively, in response to the received first and second diffracted beams. A processor analyzes the first and the second signals so as to determine a profile of a surface of the sample.

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