Patent ID: 9488815
Filing Date: 2016-11-08
CPC Classification: G01N,G02B,G03F,H01J,H01L

Claim Text:
1. A pattern evaluation method of evaluating an overlay position between a first pattern formed on a sample by a first manufacturing process and a second pattern formed on the sample by a second manufacturing process using an image obtained by imaging an evaluation point on the sample through a scanning charged particle microscope, the pattern evaluation method comprising: a step of inputting pattern layout information and manufacturing process information; a step of allocating information representing whether each pattern edge in the layout information is an edge formed by a manufacturing process based on the layout information and the manufacturing process information as attribute information; and a step of deciding one or more evaluation points so that the edge formed by the first manufacturing process and the edge formed by the second manufacturing process are included in a field of view based on the attribute information.