Data processing: generic control systems or specific application – Specific application – apparatus or process – Product assembly or manufacturing
Reexamination Certificate
2005-09-20
2005-09-20
Picard, Leo (Department: 2125)
Data processing: generic control systems or specific application
Specific application, apparatus or process
Product assembly or manufacturing
C700S051000, C700S121000, C700S034000
Reexamination Certificate
active
06947801
ABSTRACT:
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.
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Chu Hui-Chen
Lin Shui-Tien
Yang Fu-Ching
Yang Hui-Wen
Duane Morris LLP
Garland Steven R.
Picard Leo
Taiwan Semiconductor Manufacturing Co. Ltd.
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