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An Investigation of Key Factors in the Manufacturability and Qualification of Known Good Die Processes

This paper presents techniques for evaluating various methods of accomplishing Known Good Die (KGD) processing using reusable interconnect systems. First, some of the strategic reasons for pursuing KGD are discussed. Next, manufacturing issues significant for KGD processing are briefly covered. Rationales for and results of various process evaluations are reviewed. Then, requirements for a KGD process qualification are discussed. Finally, a summary of observations is given.