sysop

  <div class="content"><p><strong>Abstract<br /></strong>Isolated planar conductive structures on separated layers of a PCB provide the normally-open, common, and normally-closed components of an electromechanical relay circuit to minimize inductive area&#46; The isolated planar configuration reduces coupling of relay contact-noise currents to nearby sensitive circuits, and minimizes coupling EMI energy from nearby logic or microprocessor circuits to the relay contact circuits&#46;</p><p><a href="http://www&#46;google&#46;com/patents/pdf/Printed_circuit_board_configuration_havi&#46;pdf?id=oHgMAAAAEBAJ&output=pdf&sig=Hdqp2NPGeGe8locigzuc3biiupM"><font color="#336699">rinted circuit board configuration having reduced EMC/EMI interference（美国EMC技术专利）</font></a></p></div>