Patent ID: 8311775
Filing Date: 2012-11-13
Classification: G01N,H01J,H05K,Y02W

Abstract:
1. A defect repair apparatus, comprising: a defect detection unit operable to (i) inspect a multilayer substrate on which a repetitive pattern is formed (ii) extract positional information of a defect in the repetitive pattern, and (iii) extract feature information of the defect; a database operable to register a plurality of defect repair techniques; a defect repair unit operable to repair the defect of the multilayer substrate using one of the plurality of defect repair techniques; and a control unit operable to (i) read the one of the plurality of defect repair techniques for repairing the defect detected by the defect detection unit from the database based on a layer structure of the multilayer substrate, and (ii) control the defect repair unit that repairs the defect by using the one of the plurality of defect repair techniques, wherein,