SYSTEM AND METHOD FOR PRODUCT QUALITY INFORMATION MANAGEMENT

摘要

PROBLEM TO BE SOLVED: To provide a product quality management method for products such as reticle used for manufacturing semiconductor device so that users who have acquired products can also obtain easily the data of such products. SOLUTION: A particular pattern 3 which is the intrinsic code of a product 1 or its accessory 4 is given to the product 1 or to the accessory 4. The particular pattern 3 is converted into a authentication code. Therefore, it is possible to log in to a quality database 5 of the product 1 using the authentication code.