EUV EXPOSURE APPARATUS WITH REFLECTIVE ELEMENTS HAVING REDUCED INFLUENCE OF TEMPERATURE VARIATION
A projection lens of an EUV-lithographic projection exposure system with at least two reflective optical elements each comprising a body and a reflective surface for projecting an object field on a reticle onto an image field on a substrate if the projection lens is exposed with an exposure power of...
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Main Authors | , , , , , , , , , , , , |
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Format | Patent |
Language | English |
Published |
18.10.2018
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Subjects | |
Online Access | Get full text |
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