| 摘要 |
A lithography system includes a light source, a photo mask positioned downstream of the light source, an optical module having a front surface positioned downstream of the photo mask, and a wafer stage positioned downstream of the optical module for supporting a wafer, wherein the wafer comprises a dry film and a first medium positioned between the front surface of the optical module and a surface of the dry film. The optical module includes a container, a liquid medium situated in the container and a first set of lenses immersed in the liquid medium.
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