Patent Document ID: 20030100970
Application ID: 09995645
Patent Flag: 0

Claim One:
1. A method of monitoring apparatuses of manufacturing integrated circuit (IC), while a plurality of lots of wafers are processed by a plurality of apparatuses, used for monitoring a plurality of apparatus events, the method of monitoring apparatuses of manufacturing IC comprising: providing a database with a plurality of data of the apparatus events; downloading the data of the apparatus events from the database; calculating a plurality of achievement indices by using the data of the apparatus events; establishing a control chart by using the achievement indices; establishing a knowledge archive of rules by using the data of the apparatus events, the achievement indices, and the control chart, and determining a plurality of limitative rules to detect an abnormal point; forming a calendar file by sorting the data of the apparatus events with time; and executing a step of replaying the apparatus events so as to proceed a rectification.