Name each part of the multilayer constructionRT duroid after etch stress relief: Source & Enginee…. Engineering illustration, not a production photograph or test result.Name each part of the multilayer constructionRT duroid after etch stress relief: Source & Enginee…RF copperRF core — RT duroid after etch stress rReference copperNamed cured bonding layerOther circuit coreCopper layerIllustrative arrangement; no material compatibility or press cycle is implied.