LIGHT SOURCE SHAPE CALCULATION METHOD

According to one embodiment, a light source shape calculation method includes calculating a first light source shape as an exposure illumination light source shape, so that the first light source shape has a light source shape region symmetrical to an X-axis direction and a Y-axis direction, and a p...

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Bibliographische Detailangaben
Hauptverfasser:	MATSUNAWA TETSUAKI, MIYAIRI MASAHIRO, NOJIMA SHIGEKI, TAKAHATA KAZUHIRO, MAEDA SHIMON
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR CALCULATING CINEMATOGRAPHY COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING ELECTROGRAPHY HOLOGRAPHY MATERIALS THEREFOR ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS
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Beschreibung
Zusammenfassung:	According to one embodiment, a light source shape calculation method includes calculating a first light source shape as an exposure illumination light source shape, so that the first light source shape has a light source shape region symmetrical to an X-axis direction and a Y-axis direction, and a process margin when forming an on-substrate pattern corresponding to at least two pattern layouts defined by design rules is optimized. A point light source is calculated such that the process margin of formation of the on-substrate pattern corresponding to a pattern layout to be formed on a semiconductor device is optimized, and is applied to the first light source shape.