... .2mm 2. Immersion gold 3. Application moblile phone keyboard with competitive price. 1. PI material, 1oz copper, board ... T0.2mm2. Immersion gold3. Application moblile phone keyboard with competitive price5. Certificate: ROHS, UL, ISO9001-2000, ISO14001Our ... by:Flying-Probe Tester, Fixture tester , Visual Inspection17. Special requirements: Buried and blind vias, impedance control, thick Cu ...