The spacing between adjacent pads is too close to cause bridging, too far away will lead to false soldering. Unreasonable ...
Abstract: Electroless nickel and immersion gold (ENIG) is one of the most common final finishes used in PCBs. ENIG surfaces exhibit excellent planarity, solderability and wire bondability and tolerate ...
Abstract: Mechanical cutting is a common method used for singulation of thick PCB. Examples of mechanical cutting are the wafer saw and package saw machine [1]. For thin PCB substrate with thickness ...
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