SBU RCC or PP + Laser Drill photo via thermo-setting resin + Laser drill ALIVH BBIT Other Laser Via Process PTH & D/F Core substrate RCC laminating Conformal mask formation & laser drill Second layer RCC laminating ALIVH process Aramid cloth prepreg Laser drilling Surface pattern formation Lay-up for Lamination Conductive paste plugging Lamination Surface pattern formation ALIVH Process B2IT process Printing conductive paste bump Piercing prepreg with the bump Surface pattern formation Lamination & connection with copper BBIT Process Pattern Transfer Method Plated Riser method Dielectric Resin for build-up Resin coated copper Liquid type photo-dielectric Film type photo dielectric Liquid type thermally cured resin Film type thermally cured resin Prepreg