³Ô¹Ïtv / FLEX ENGINEERINGReview sequence: 8 Layer Flexible PCB1Layer countExactly eight copper layers; films and liners kept separate.2Zone definitionFull stack, bending region and supported interfaces.3Electrical roleRouting, references, power paths and transitions.4Release evidenceProposed process, finished dimensions and verification.Concept drawing / no released dimensions, factory evidence or automatic approval