Photolithographic mask assembly and methods of manufacturing photolithographic mask

A photolithographic mask assembly according to the present disclosure accompanies a photolithographic mask. The photolithographic mask includes a capping layer over a substrate and an absorber layer disposed over the capping layer. The absorber layer includes a first main feature area, a second main...

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Bibliographische Detailangaben
Hauptverfasser: CHEN, CHING-YUEH, TU, CHIHIANG, HU, WEIUNG, HSU, TINGANG, LIN, CHENG-MING, CHEN, YU-TUNG, LU, CHI-TA
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:A photolithographic mask assembly according to the present disclosure accompanies a photolithographic mask. The photolithographic mask includes a capping layer over a substrate and an absorber layer disposed over the capping layer. The absorber layer includes a first main feature area, a second main feature area, and a venting feature area disposed between the first main feature area and the second main feature area. The venting feature area includes a plurality of venting features.