Patent ID: 7655481

Claim:
A method for manufacturing an industrial product with a set of working masks employed sequentially for implementing a final configuration of the industrial product and additional evaluation masks configured to inspect process-level defect in intermediate product patterns delineated by the working masks, comprising: forming a first intermediate product pattern, which implements at least a part of a first intermediate product of the industrial product, at a surface of a base body, by a sequence of processes including lithography process with a first sub-set of working masks in the set of working masks, the sequence of processes corresponds to a part of a procedure for manufacturing the industrial product; forming an interconnect-changing insulator configured to facilitate a change of interconnects from the final configuration implemented by the set of working masks, on the first intermediate product pattern; boring a plurality of sampling contact holes with one additional evaluation masks in the interconnect-changing insulator so as to make bare a part of the first intermediate product pattern to define a plurality of sampling sites; delineating a plurality of evaluation interconnects with another one of additional evaluation masks, the evaluation interconnects being dummy interconnects not required for a performance of the industrial product, on the interconnect-changing insulator so that each of the evaluation interconnects can electrically connect to at least one of the sampling sites of first intermediate product pattern; and measuring an electrical resistance between subject sampling sites through the evaluation interconnects so as to detect a product defect in the first intermediate product pattern.