Extreme ultraviolet (EUV) lithography mask

The present disclosure relates to semiconductor structures and, more particularly, to an extreme ultraviolet (EUV) lithography mask and methods of manufacture. The EUV mask structure includes: a reflective layer; a capping material on the reflective layer; a buffer layer on the capping material; alt...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: VERDUIJN, ERIK, WOOD II, OBERT R, GOODWIN, FRANCIS, SUN, LEI, BEIQUE, GENEVIEVE, CHEN, YU-LU
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The present disclosure relates to semiconductor structures and, more particularly, to an extreme ultraviolet (EUV) lithography mask and methods of manufacture. The EUV mask structure includes: a reflective layer; a capping material on the reflective layer; a buffer layer on the capping material; alternating absorber layers on the buffer layer; and a capping layer on the top of the alternating absorber layers.