Welcome to Winfame Electronic Circuits Co., Ltd
Technical&Capabilities
Parameter Standard Production Mass Production Sample
Layer 24 24 26
Min. Inner Layer Pad size (single) 4mil (0.1mm) 4mil (0.1mm) 4mil (0.1mm)
Board thickness 0.4–3.2mm 0.4–3.2mm 0.3–3.2mm
Min. Trace/Space Inner Layer: 2.5mil/2.5mil Outer Layer: 3mil/3mil Inner Layer: 2.5mil/2.5mil Outer Layer: 3mil/3mil Inner Layer: 2.5mil/2.5mil Outer Layer: 3mil/3mil
Min. Mechanical Drilled Hole Size 0.15mm 0.15mm 0.15mm
Min. Laser Drilled Hole Size 0.1mm 0.1mm 0.1mm
Aspect Ratio 10:1 10:1 12:1
Min. Solder Dam 3mil (75µm) 2.5mil (64µm) 2.5mil (64µm)
Min. Solder mask opening 1mil 2mil 1.5mil
Max. Solder mask Hole Size 0.5mm 0.6mm 0.6mm
Min. Space from hole to trace 6mil (0.15mm) 5.5mil (0.14mm) 5.5mil (0.14mm)
Impedance control Tolerance ±10% ±8% ±8%
HDI Stackup Capability +3 stackup +3 stackup +3 stackup
Surface Treatment ENIG, HASL, LF-HASL,OSP, Immersion Tin,Immerstion Silver, Gold plating, ENIPIG ENIG, HASL, LF-HASL,OSP, Immersion Tin,Immerstion Silver, Gold plating, ENIPIG ENIG, HASL, LF-HASL,OSP, Immersion Tin,Immerstion Silver, Gold plating, ENIPIG
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