³Ô¹Ïtv / ENGINEERING EXPLANATIONSolder Mask Bridge Cracking or Flaking / release checkpoints1StageIdentify earliest observed failure and the evidence available from prior stages.2GeometryUse the released mask image and any approved manufacturing edits.3Failure modeDistinguish cracking, lifting, missing material and loose debris.4ClosureVerify the correction through the relevant downstream exposure.Conceptual illustration. Not to scale; examples are not process settings or acceptance limits.