SMD Solder Mask Defined and NSMD Non-Solder Mask Defined refer to the way copper pads on a printed circuit board PCB are exposed This seemingly minor detail in PCB pad design which used to go
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Operating from China, WellCircuits stands as a top-tier manufacturer of premium PCBs & PCBAs.
Our expertise lies in crafting multilayer flexible circuits, rigid-flex PCBs, HDI PCBs, and Rogers PCBs.
We excel in rapid-turnaround PCB prototyping and thrive on handling challenging projects as our forte.