Mask design and OPC for device manufacture

Described herein is mask design and modeling for a set of masks to be successively imaged to print a composite pattern on a substrate, such as a semiconductor wafer. Further described herein is a method of double patterning a substrate with the set of masks. Also described herein is a method of corr...

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Bibliographische Detailangaben
Hauptverfasser: HOOKER KEVIN J, KIM SUNGWON, ATKAR PRASAD NARENDRA, SINGH VIVEK, BAIDYA BIKRAM, JEONG SEONGTAE, OGADHOH SHEM, VENKATESAN RAGURAMAN, HU BIN
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Described herein is mask design and modeling for a set of masks to be successively imaged to print a composite pattern on a substrate, such as a semiconductor wafer. Further described herein is a method of double patterning a substrate with the set of masks. Also described herein is a method of correcting a drawn pattern of one of the mask levels based on a predicted pattern contour of the other of the mask levels. Also described herein is a method of modeling a resist profile contour for a mask level in which photoresist is applied onto a inhomogeneous substrate, as well as method of predicting a resist profile of a Boolean operation of two masks.