... ) Material: FR-4, CEM-1,CEM-3, High TG, FR4 Halogen Free,Rogers4) Max. finished board size: 560mm×610mm5) Min. drilled hole ... .Line spacing:0.1mm7) Surface finish/treatment : HASL / HASL lead free,HAL, Chemical tin,Chemical Gold, Immersion Silver/Gold,OSP,Gold ... tolerance: ±0.1mmHole tolerance: PTH: ±0.076 NPTH: ±0.0513) Certificate: UL, ISO 9001, RoHS14) Special requirements: Buried and blind vias ...