Metal Dome pass ROHS,main custmers:TCL,MOTO,SANGSUM,ITT 45%,> ... silver traces.ConductivityResistivity approx 50 mOhms/sq1mm x 80 mm trace = 4 Ohms0.5mm x 80mm trace = 8 OhmsHighPriceLow to ModerateExpensive to ... very expensiveSolderingNoYesPitchThinPossible pitch 0.5mm and 0.3mm for ZIF connector Metal Dome ...