³Ô¹Ïtv / FLEX ENGINEERINGReview sequence: Flexible Substrate Selection1Material identityExact film, copper and adhesive roles and grades.2Thermal historyManufacture, soldering, rework and service exposure.3Electrical dataProperty, method and relevant frequency or condition.4QualificationRepresentative complete construction and alternatives.Concept drawing / no released dimensions, factory evidence or automatic approval