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Specific Process Knowledge/Lithography/EBeamLithography/2D detection system: Difference between revisions

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== Introduction ==
== Introduction ==
In addition to alignment by beam scanning the JEOL 9500 system also has a 2D alignment feature. The working principle of this is that the system will take a SEM image of a specified location and compare the SEM image to a reference image. By comparison of these the system will determine an offset and use this for alignment.  
In addition to alignment by beam scanning the JEOL 9500 system also has a 2D alignment feature. The working principle of this is that the system will take a SEM image of a specified location and compare the SEM image to a reference image. By comparison of these the system will determine an offset and use this for alignment.  
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