Method for yield improvement of manufactured products

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

Reexamination Certificate

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C700S115000, C702S182000

Reexamination Certificate

active

06961635

ABSTRACT:
A method of yield improvement for manufactured products includes providing an identification plan for parts and processing equipment, whereby each part and each piece of equipment is given unique and traceable identification data. A database is provided into which the parts identification data and the processing equipment identification data are stored, and related. The parts are processed in at least one processing stage by the processing equipment to yield processed parts, and the processed parts are tested for defects. Problems are then identified through the testing of the processed parts. The related parts identification data and the processing equipment identification data are retrieved from the database, and the data is analyzed to trace the parts to the appropriate processing equipment. Corrections and repairs are made to the processing equipment to correct the problems. Improvement to yield of the manufactured products is then confirmed.

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