"Layer count: Rigid PCB 2 - 24 + Layers; Rigid-flex PCB 1 - 10Layers Panel Size(max): 21"" x 24"" for Rigid, 9.05'' x 47.2'' for FPC Materials: FR-4, roger, high-TG FR-4, halogen-free FR-4 Board thickness: 0.016"" to 0.120"" Copper weight: Heavy copper PCB (6oz finished) Finishing: hot air leveling/HASL(lead free),Immersion gold, immersion silver, gold fingers, carbon ink, OSP, peelable mask Minimum finishing hole size:0.006"" Thru Hole (Finished Size) and 0.004"" Buried Via, Hole Size Tolerance: ±0.05mm(PTH); ±0.05mm (NPTH) Aspect ratio: 10:01 Outline Dimension Tolerance: ±0.13mm Conductor Width Tolerance: ±0.05mm or ±20%of Original Artwork Warp & Twist Ratio: 0.70% Insulation Resistance For E/T test: 10K Ω-20M Ω Conductivity Resistance For E/T test: