Semiconductor Digest

Advanced Packaging Process Control Through Full-Field Wafer Shape Using WFPI

Backside power delivery networks and HBM stacks depend on wafer bonding with tight pitches and overlay budgets, and even small bonding-induced distortions can turn into yield loss in downstream CMP, lithography and stacking. Traditional metrology often can’t deliver fast, full-wafer, non-destructive measurements at the speed high-volume manufacturing requires. The post Advanced Packaging Process Control Through Full-Field Wafer Shape Using WFPI appeared first on Semiconductor Digest.

By Semiconductor Digest

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Advanced Packaging Process Control Through Full-Field Wafer Shape Using WFPI
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