Maximum board size Standard: 508 x 610mm On request: 610 x 610mm Minimum/maximum board thickness Standard: 0.6mm/3.0mm On request: 0.4mm/3.2mm Minimum finish hole size Standard: 0.50mm On request: 0.30mm Maximum aspect ratio Standard: 4:1 On request: 8:1 Minimum line width Standard: 0.10mm On request: 0.13mm Minimum line pitch Standard: 0.10mm On request: 0.13mm Minimum SMT device pitch Standard: 0.45mm On request: 0.30mm Minimum SMT device land width Standard: 0.254mm On request: 0.254mm Board flatness tolerance Standard: 0.5-percent board diagonal On request: 0.5 to 1-percent Inner:vacuun packing Outside:carton packing