Patent ID: 9104121
Filing Date: 2015-08-11
Classification: G03F,H01L

Abstract:
1. An exposure apparatus for projecting a pattern of a reticle onto a substrate to expose the substrate to light, the exposure apparatus comprising: a substrate stage configured to move while holding the substrate; a reticle stage configured to move while holding the reticle; a structural member configured to support said substrate stage and said reticle stage; a first counter mass stage supported by said structural member; a second counter mass stage supported by said structural member; a substrate stage driver configured to generate a first force between said substrate stage and said first counter mass stage; a reticle stage driver configured to generate a second force between said reticle stage and said second counter mass stage; a first counter mass driver configured to generate a third force between said structural member and said first counter mass stage; a second counter mass driver configured to generate a fourth force between said structural member and said second counter mass stage; and a controller configured to: