作者: Abraham Alexander Soethoudt , Thomas Poiesz , Martijn Houben
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摘要: A substrate holder for use in a lithographic apparatus and configured to support substrate, the comprising: main body having surface; plurality of burls projecting from wherein each burl has distal end engage with substrate; ends substantially conform plane whereby can be supported flat state on burls; frictional force between 10 engaged therewith arises direction parallel event relative movement direction; surfaces are provided release structure so that is less than would arise absence structure.