INSPECTION APPARATUS LITHOGRAPHIC APPARATUS MEASUREMENT METHOD

    公开(公告)号:US20220187719A1

    公开(公告)日:2022-06-16

    申请号:US17433897

    申请日:2020-01-28

    Abstract: The invention provides an inspection apparatus for inspecting an object, the apparatus comprising: a measurement system configured to measure: —a first parameter of the object across an area of interest of the object, and —a second parameter, different from the first parameter, of the object at a plurality of locations on the object; a stage apparatus configured to position the object relative to the measurement system during a measurement of the first parameter, wherein the measurement system is configured to measure the second parameter at the plurality of different locations during the measurement of the first parameter and wherein the stage apparatus is configured to position the object relative to the measurement system based on a compliance characteristic of the stage apparatus.

    A Substrate Holder, a Lithographic Apparatus and Method of Manufacturing Devices

    公开(公告)号:US20180259855A1

    公开(公告)日:2018-09-13

    申请号:US15761245

    申请日:2016-08-24

    Abstract: A substrate holder (WT) for use in a lithographic apparatus and configured to support a substrate, the substrate holder comprising: a main body (20) having a main body surface; and a plurality of burls (21) projecting from the main body surface; wherein each burl has a distal end configured to engage with the substrate; the distal ends of the burls substantially conform to a support plane whereby a substrate can be supported in a substantially flat state on the burls; and a flow control feature (22, 22c, 22d) configured to form a gas cushion adjacent the periphery of the substrate holder when a substrate is being lowered onto the substrate holder.

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