Exposure system
The invention provides an exposure system comprising an optical source for generating an exposure ray, an optical mask holder for placing an optical mask, a focusing lens system for focusing the exposure ray, and an optical filtering module for reducing the spectral band width of the exposure ray, w...
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Main Authors | , |
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Format | Patent |
Language | Chinese English |
Published |
02.12.2009
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Subjects | |
Online Access | Get full text |
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Summary: | The invention provides an exposure system comprising an optical source for generating an exposure ray, an optical mask holder for placing an optical mask, a focusing lens system for focusing the exposure ray, and an optical filtering module for reducing the spectral band width of the exposure ray, wherein the optical mask holder, the focusing lens system and the optical filtering module are all arranged on an optical path of the exposure ray, and the optical filtering module is arranged between the focusing lens system and the optical mask holder. |
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Bibliography: | Application Number: CN20081108808 |