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8-layer OSP board

PCBA Specification Detail
Layer Count 8 Layers
Min Line Width/Space 3.5/3.5 MIL (0.089/0.089 mm)
Board Thickness 1.60 mm ±10% (FR-4 TG150 substrate)
Material FR-4 TG150°C (Epoxy Glass Fiber with Tg ≥150°C)
Outer Copper Thickness 1 OZ (~35μm)
Inner Copper Thickness 1 OZ (~35μm)
Solder Mask Color Black
Silk Screen Color White
Molding Process CNC
Surface Finish OSP (Organic Solderability Preservatives)
Advanced Technology Via-in-Pad (enhances density and thermal management)

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