... services.Capable of developing effective production process to ensure high quality and consistency PCB process capability:1.Layer: 2-22 ... FR-4, CEM-3, Teflon, Aluminum Substrate, Rogers, Halogen Free, High Tg4.Copper Thickness: 140micron(4oz)5.Min Board Thickness: 0 ... 0.05mm20.Outline Tolerance (CNC): ±0.13mm21.Surface coating: Lead Free HAL, HAL, Flash Gold, Immersion Gold, Immersion Tin, Immersion ...