Patent №
US 6,947,801
Granted
2005-09-20
Filed 2003
Owner
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
Lab
—
AI components
1
planning
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
10639980
A method system for synchronizing a control chart of an SPC system and equipment performance has a chart model (22) with new chart properties; a method for calculating a control limit based on a statistical deviation, a synchronization frequency for setting a time for reviewing new data gathered by the SPC system, and a process catalog for categorizing all control charts that control the same process step, such that the control charts are organized for assignment of the same performance based control limit calculated by using statistics formed by data for control limit values of the control charts.
AI classification
Ownership
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
assignment · 148660357
Assignors
LIN, SHUI-TIEN, CHU, HUI-CHEN, YANG, HUI-WEN, YANG, FU-CHING
On an employer assignment, the assignors are typically the inventors.