Kingford focus on the high-quality PCBA order demand of "Multiple varieties, medium and small batch, and short lead time".
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Thick Copper PCB Capability

thick copper PCB Capability
MaterialFR-4 Standard Tg 140°C, FR4-High Tg 170°C
Min. Track/SpacingFor External layers:
4oz Cu 10mil/13mil,5oz Cu 12mil/15mil
6oz Cu 15mil/15mil
For Internal layers:
4oz Cu 8mil/8mil,5oz Cu 10mil/10mil
6oz Cu 12mil/12mil
Min. Hole Size0.15 ~ 0.3mm
Max Outer Layer Copper Weight (Finished)13oz
Max Inner Layer Copper Weight12oz
board ThICkness0.6-6mm
Surface FinishingHASL lead free,Immersion gold, OSP, Hard Gold,Immersion Silver,Enepig
Solder MaskGreen, Red, Yellow, Blue, White, Black, Purple, Matte Black, Matte green
SilkscreenWhite, Black
Via ProcessTenting Vias,Plugged Vias,Vias not covered
TestingFly Probe Testing (Free) and A.O.I. testing
Build time5-15 days
Lead time2-3 days
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