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Inexpensive 4 Layer PCBs with Thicker Copper Layers?
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Jan 10.2020, 18:15:31
I am considering using four layer PCBs as bus bar interconnects for a multi-level inverter. Most of the relatively low cost 4 layer PCBs for prototyping quantities seem to only offer 0.5 or 1 oz copper layers? With this copper thickness it is really difficult to keep the trace width to a reasonable value that can be routed. Any ideas of prototype volume PCB manufacturers which will do thicker copper layers for cheap?
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