³Ô¹Ïtv / ENGINEERING NOTEEvidence sequence: Alumina Substrate Selection1DeliverableBare ceramic, patterned substrate or assembled circuit.2ProcessSpecific metallization and geometry review.3ModelLocal constant-area conduction, not whole-assembly prediction.4ReleaseGrade, attachment, electrical requirements and acceptance scope.Conceptual drawing. Not to scale; not manufacturing or compliance evidence.