Photomask assembly with reflective photomask and method of manufacturing a reflective photomask
A photomask mask assembly includes a reflective photomask and a protection structure. The reflective photomask includes a substrate and a reflective multilayer on a first substrate surface of the substrate at a front side of the reflective photomask. The protection structure is on a second substrate...
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Main Authors | , , |
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Format | Patent |
Language | English |
Published |
27.12.2022
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Subjects | |
Online Access | Get full text |
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Summary: | A photomask mask assembly includes a reflective photomask and a protection structure. The reflective photomask includes a substrate and a reflective multilayer on a first substrate surface of the substrate at a front side of the reflective photomask. The protection structure is on a second substrate surface of the substrate at a backside of the reflective photomask, and is detachable from the reflective photomask at a temperature below 150 degree Celsius. |
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Bibliography: | Application Number: US202016739555 |