Isola Group S.à r.l., a market leader in copper-clad laminates and dielectric prepreg materials used to fabricate advanced multilayer printed circuit boards (PCBs) and Holders Technology plc, an international distributor of materials, equipment, parts and services to the PCB industry, announced that registration is now open for a complimentary PCB Technology Day taking place September 16, 2014 at the Sixways Stadium in the city of Worcester, England.