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hi stigchristian,
i think a board with 8 relays, maybe for hi voltage(?), results in anything else than a board "as small as possible". You will be disappointed by reality.
Reinhard
Within a multilayer, copper sinks into the adjacent Prepreg. The core is still 200µ after pressing, but a 200µ prepreg has 130µ provided you have almoust no copper, which is true for layers with just a few routes. If you have copper planes with near 100% copper area, the prepreg will have 200µ -...
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