4Layer Multilayer PCBs With Plugging The BGA Chip With Resin Underneath Via

Impedance Control Technology 6Layer Immersion Gold Board

Rogers+FR4 Hybrid Immersion Gold 4Layer Board

Black Solder Mask 0.3mm Thick Double-sided 18um Copper PCB

Flat Roof 2.4mm Immersion Gold Double-sided Board

Rogers4003C 0.8mm Finished Board With Immersion Gold Finish

FR4 And Rogers Hybrid 4Layer Board With Immersion Gold Finish

Multilayer 6Layer Immersion Gold Circuit Board

Plated Gold Finger 4Layer Multilayer PCB Board

Blind Via L1-L2, L3-L4, Immersion Gold 4Layer Multilayer PCB