SMT PCB -underlag

FR-4 remains standard, but high-speed designs use PTFE or ceramic-filled laminates. Metal-core PCBs (MCPCB) dissipate heat in LED applications. HDI substrates employ build-up layers for complex routing. Flex-rigid boards require specialized SMT fixturing. Låg-DK/DF-material STUT 5G MMWAVE-frekvenser . ytbehandlingar som enig (elektrolös nickel nedsänkning guld) förhindra oxidation . skalbara masker skyddar selektiva områden under montering .}