Patent ID: 7123041
Filing Date: 2006-10-17
Classification: G01R,G06T,H01L

Abstract:
1. A defect inspection data analysis apparatus, comprising: a first storage means to store inspection data obtained by inspecting a wafer for a defect by means of a defect inspection apparatus after processing is performed in each of predetermined process steps among a plurality of process steps in a front-end process; a second storage means to store non-conforming article judgment criteria, which are set for each predetermined type of defect on the basis of design data of the wafer, and according to which whether a chip formed on the wafer is a non-conforming article or not is judged; a defective chip identifying means to identify, after the front-end process is completed, a chip having a defect among all chips formed on the wafer and to determine a type of defect for each defect that the identified chip has, on the basis of the inspection data stored in said first storage means; a non-conforming chip judging means to read out, from said second storage means and for each chip identified by said defective chip identifying means, the non-conforming article judgment criteria corresponding to the type of defect for each defect that the chip has, then to judge whether the chip is a non-conforming article or not according to the read out non-conforming article judgment criteria, and to obtain position information within a surface of the wafer of a chip judged as being a non-conforming article; and a third storage means to store the position information within the surface of the wafer of each chip judged as being a non-conforming article by said non-conforming chip judging means.