Main Material: FR-4, High TG135TG155,TG170, Aluminum Base, High Frequency CCL Brand: Shenyi, KB, ITEQ, ISOLA, NANYA,ROGERS Layers: 1-12L Mass Production: 1-8 Layers Surface Finish: LF HAL, HAL, Immersion Gold/Tin/Silver Technology: Gold Finger, PeenLble, Carbon Ink ,Impedance Control BGA,HDI Min Hole Size: 8 MIL 0.20mm Min Line Width: 3 MIL(0.076MM) Min Line Spacing: 3 MIL(0.076MM) Outline: CNC Routing, Punching, V-Cut