METHOD OF ESTABLISHING A LOT GRADE SYSTEM FOR PRODUCT LOTS IN A SEMICONDUCTOR MANUFACTURING PROCESS
Patent №
US 7,908,023
Granted
2011-03-15
Filed 2008
Owner
INTERNATIONAL BUSINESS MACHINES CORPORATION
Lab
AI components
1
planning
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
12013642
A method of establishing a lot grading system for lots in a semiconductor manufacturing process includes defining a new lot grade for at least one lot in the semiconductor manufacturing process. The at least one lot is has a current lot grade and the new lot grade is dependent upon the current lot grade. The new lot grade is saved in a grading referenced database and the at least one lot in the semiconductor manufacturing process is updated with the new lot grade.
AI classification
Ownership
INTERNATIONAL BUSINESS MACHINES CORPORATION
assignment · 203600277
Assignors
CRAWFORD, EDWARD J., SONG, YUNSHENG, TING, TSO-HUI
On an employer assignment, the assignors are typically the inventors.