... ISO9001-2000, ISO14001 1. FR4 material IC bonding pcb board2. flash gold3. Fast delivery and competitive price4. Certificate: ROHS, UL, ... Bergquist2). Surface Treatment: HASL,HASL lead-free,HAL,Flash gold,immersion gold,OSP,Gold Finger Palting,Selective thick gold ... and Twist: <0.75%16). Tested by:Flying-Probe Tester, Fixture tester , Visual Inspection17). Special requirements: Buried and blind vias, ...