The 35th International Symposium for Testing and Failure Analysis (November 15-19, 2009) of ASM

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Wednesday, November 18, 2009

Effectiveness of Nanoprober in Detecting Single / Multiple Bit Flash Data Gain & Data Loss Failures

R. Medikonduri, Texas Instruments Incorporated, Stafford, TX

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Summary: Nanoprobing method is effective in identifying an anomaly irrespective of whether a passive voltage contrast is seen or not. Knowing the nanoprobing method of chasing an anomaly in flash memory when no PVC seen or no leakage seen by AFM, will lead to higher FA success rate. Successful FA leads to prompt fixing of the issues in fab. Corrective actions in the fab, lead to lower defective units. Customers are kept happy with lower defective units and thus, the slogan “KEEP CUSTOMERS HAPPY” is justified.