PHOTOMASK AND METHOD FOR INSPECTING PHOTOMASK

The present disclosure provides a photomask, including a plurality of pattern areas, each of the pattern areas is defined by a respective boundary, a first pattern area including a first mask feature, and a training area adjacent to a boundary of the pattern area, the training area comprising a firs...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YANG, CHING-TING, CHEN, CHENG-KUANG, CHANG, HAO-MING, HUANG, CHIENAO, LAI, CHIEN-HUNG, WANG, HSUAN-WEN
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present disclosure provides a photomask, including a plurality of pattern areas, each of the pattern areas is defined by a respective boundary, a first pattern area including a first mask feature, and a training area adjacent to a boundary of the pattern area, the training area comprising a first training feature, wherein the first training feature is comparable to the first mask feature.