MEIKO
unit:μm Parameter Symbol Standard Spec Min Spec Line width / Spacing HDI Layer A/A` 75/75 50/50 Core Layer B/B` 75/75 50/50 Plated Through Hole Drill Diameter C 300 250 Pad Diameter Outer Layer D 550 450 Inner Layer E 600 500 IVH Drill Diameter F 250...