Gold fingers PCB: RM can produce the hard gold plating required for both contacts and gold fingers. The process begins after the copper etched with the PCB laminate to leave only the desired area exposed. Nickel underlayer is electo-plated onto the PCB with a thickness of 10~50 microinch. Professional team do quality control for hard gold finishes include thickness and tape adhesion tests.
Products specification:
Layers: 6
Material /Laminate: FR4 TG170
Board thickness: 1.2mm
Copper weight: H oz
Finishing: ENIG + Gold Finger