immersion gold surface technical pcb

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immersion gold surface technical pcb
Posting date : Sep 14, 2007
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HS-CODE
85-
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Detailed Description
Production technology of PCB HS code 85340010 Material FR-4, CEM-3,PTEE Teflon Outer size Maximum 457mmx610mm Thickness 0.016”—0.125” (0.4—3.2mm, 1.0mm, 1.2mm,1.6mm, 2.0mm are normal ones) Layers 2—12 (2,4,6,8 are normal) and 1—6 layers for flexible board Line width ≥6mil 0.15mm) Line distance ≥6mil 0.15mm) Minimum drill 0.25mm Copper thickness 18mil, 36mil, 72mil Copper thickness of hole 0.6mil---2mil Legend thickness ≥0.15mm (6mil) Tin thickness 0.04mil---1.2mil Moulding type milling machine, punch, cut out, V-cut bevel edge Surface technics spurt tin, gilt, plating nickel, spurt rosin, resist oxidation (OSP), HAI Surface coat black, green, brown, red, yellow Solder mask UV, photoresist aspect ratio 6:1 Surface evenness 1% inspection Flying probe tester inspection International UL safety standard, UL number: E216635 Tolerance ±0.0127mm (5mil) ROHS All PCBs meet ROHS directive

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