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With the seven quality control methods under the CIP control, the entire package yield in micro-bump products is promoted from 99.31% to 99.58% during four-month record and tracking. Through these effective and analytical efforts, the rework ratio in the abnormal PR coating contribution was decreased from 0.29% to 0.19%. The result for the auto misalignment was reduced from 0.23% to 0.13% as well...
Through silicon vias (TSVs) attract considerable amount of attention and activity in recent years as a main means to achieve three-dimensional (3D) integrated circuit (IC) functionality. However, the new technology poses new integration challenges as well as new testing and verification challenges. This paper presents the latest progress in TSV non-destructive testing by means of X-ray microscopy,...
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