³Ô¹Ïtv / FLEX ENGINEERINGAvoid the shortcut: 8 Layer Flexible PCBUNSUPPORTED SHORTCUTREVIEWABLE REQUIREMENTEight layers assumed todefine one approved bendstack.Specify each local zone andits actual use.Keep the drawing, assumptions and evidence attached to the same revision.Concept drawing / no released dimensions, factory evidence or automatic approval