Bicheng provides impedance controlled PCB's for R&D, high-tech, IT research companies and organizations, large or small. Technical parameters *Controlled dielectric *Controlled impedance *Design coupons *Test coupons *Polar CITS500 *Tolerance +/-10% *Differential impedance *Single end impedance Actual PCB case It's a typical sample we offer for high power electronics: 230*230mm=1 PCB FR-4 TG170 4 Layers 35 um copper each layer 2.4mm finished thick min.track/space: 4/4mil Min.hole 0.25mm ENIG Surface finish L1 and L4: track /space 5.1/6mil, 90+/-10% ohm differential impedance L1, L2 and L4, track /space 6.1/7.8mil, 100+/-10% ohm differential impedance Related PCB products & Services: *High Tg 170 *High CTI 600V *Multi-layer *Blind vias, Half hole, Via in pad, *countersunk hole *Gold finger *BGA,CSP,QFN *ENIG, HASL, Immersion Silver, OSP *Prototype *Mass production *MOQ: 1 PCB *Door to door shipment
