Data tracking method and system applied in semiconductor...

Data processing: generic control systems or specific application – Specific application – apparatus or process – Product assembly or manufacturing

Reexamination Certificate

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C700S103000, C700S121000, C705S002000

Reexamination Certificate

active

07433750

ABSTRACT:
A data tracking method applied in semiconductor manufacturing is provided. Split historical data of a wafer lot is retrieved and it is determined whether the end of lot data of the wafer lot is read. If not, a maximum split number required for a split processing applied to the wafer lot is determined. Next, a virtual sub split number required for the current process station is determined according to the maximum split number and a current split number. At least one virtual sub lot for the current process station is created according to the virtual sub split number. Process data of an original wafer lot corresponding to the virtual sub lot is copied to the virtual sub lot and virtual sub lots for the next process station is continuously created when creation is complete.

REFERENCES:
patent: 5889674 (1999-03-01), Burdick et al.
patent: 6615096 (2003-09-01), Durrant et al.
patent: 7266417 (2007-09-01), Liao

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