Layer count:20l Base material: fr-4 tg170 Copper thickness: all layers 2oz Board thickness: 3.2mm±0.3mm Min hole diameter: 0.50mm(19mil) Min trace width: 0.20mm(8mil) Min trace spacing: 0.20mm(8mil) Suface finishing: enig Test: flying probe Panel dimension: 106.63mmx134.42 mm Panel method: 6up, 2*3 Blind:dr1-2, dr3-4, 2 step blind vias Via diameter: 0.5mm(19mil) Lead time:fastest 10wds, normal 15-20 wds