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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Bibliographic Details
Main Authors Schedel, Thorsten, Bender, Markus, Schenke, Andreas
Format Patent
LanguageEnglish
Published 27.12.2022
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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.
Bibliography:Application Number: US202016739555