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Method to enhance the resolution of maskless lithography while maintaining a high image contrast

机译:在保持高图像对比度的同时提高无掩模光刻分辨率的方法

摘要

The embodiments described herein relate to a software application platform, which enhances image patterns resolution on a substrate. The application platform method includes running an algorithm to provide different target polygons for forming a pattern on a target. A minimum feature size which may be formed by a DMD is determined. For each target polygons smaller than the minimum feature size determining to line bias or shot bias the one or more target polygons to achieve an acceptable exposure contrast at the target polygon boundary. The one or more target polygons smaller than the minimum feature size are biased to form a digitized pattern on the substrate. Electromagnetic radiation is delivered to reflect off of a first mirror of the DMD when the centroid for the first mirror is within the one or more target polygons.
机译:本文描述的实施例涉及一种软件应用平台,该软件应用平台增强了基板上的图像图案分辨率。该应用平台方法包括运行算法以提供用于在目标上形成图案的不同目标多边形。确定可以由DMD形成的最小特征尺寸。对于小于最小特征尺寸的每个目标多边形,确定线偏斜或散布偏斜,以使一个或多个目标多边形在目标多边形边界处达到可接受的曝光对比度。小于最小特征尺寸的一个或多个目标多边形被偏置以在基板上形成数字化图案。当用于第一反射镜的质心在一个或多个目标多边形内时,电磁辐射被传递以反射离开DMD的第一反射镜。

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