³Ô¹Ïtv / ENGINEERING NOTEConstruction boundary: Alumina Substrate SelectionMetallizationCeramic substrateAttachment interfaceCooling structureHeat sourceHeat to boundaryLAYER ROLESBare ceramic, patternedsubstrate or assembledcircuit.Specific metallization andgeometry review.Conceptual drawing. Not to scale; not manufacturing or compliance evidence.