CHARGED PARTICLE BEAM INSPECTION OF UNGROUNDED SAMPLES

    公开(公告)号:WO2018114299A1

    公开(公告)日:2018-06-28

    申请号:PCT/EP2017/081334

    申请日:2017-12-04

    Inventor: KUAN, Chiyan

    Abstract: Disclosed herein is a method comprising : starting pre-charging a region of a sample with a first beam of charged particles; at a time later than starting pre-charging the region, starting imaging the region with a second beam of charged particles; wherein the region is electrically ungrounded. From the image of the region, defects may be identified.

    SYSTEM FOR INSPECTING AND GROUNDING A MASK IN A CHARGED PARTICLE SYSTEM

    公开(公告)号:WO2021083773A1

    公开(公告)日:2021-05-06

    申请号:PCT/EP2020/079674

    申请日:2020-10-21

    Abstract: A system for grounding a mask (50) using a grounding component are provided. Some embodiments of the system include a grounding component comprising a base and an extension protruding from the base and comprising a conductive prong (52) configured to contact a conductive layer (56) of the mask. Some embodiments of the system include a plurality of conductive prongs configured to contact multiple positions of a conductive layer of the mask. Some other embodiments of the system include an extension comprising various shapes.

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