³Ô¹Ïtv / ENGINEERING NOTEConstruction boundary: High Thermal Conductivity PCB MaterialsCircuit copperElectrical dielectricMetal baseSeparate mounting interfaceHeat sourceHeat to boundaryLAYER ROLESIdentify the exact layer andwhether electrical insulationis required.Same direction, thickness,temperature and measurementboundary.Conceptual drawing. Not to scale; not manufacturing or compliance evidence.