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Current problem: Cracking and intermittent opens in fine-line RDL after thermal cyclingBack to this problem’s solution map →
Related solutions/Technical Q&A
Technical Q&ABLNKK editorial notes

How can intermittent fine-line RDL opens after thermal cycling be localized?

Provide verifiable electrical, location, and stackup data before comparing physical-analysis and modeling approaches.

RDLThermal cyclingFailure analysisThermomechanical simulation

Problem context and interpretation

BLNKK review of public information

This issue separates failure localization from thermomechanical analysis; simulated high stress does not replace crack evidence.

  • In-cycle resistance / continuity and temperature timeline
  • Netlists, RDL layouts, layer thicknesses, and anomaly locations
  • Material curves, package boundaries, and good-sample controls
Technical Q&A awaiting input
  • Explain how electrical anomalies map to RDL nets and physical locations.
  • List calibration measurements, material curves, and extrapolation limits.

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