... 4.Berg Connector A. Material : Rohs compliant material ,for example ,Autotype ,3M ,Nicomatic.B. Dimension : According ... Rohns compliant 3.Our engineer will work with customers and reommend specail constrution design to ... as membrane switch and touch screen with FPC, PCB ,silicone rubber ,metal backer ,plastic bezel and so on ... Condition B) LED Membrane Switch Keyboard With Metal Dome and Berg Connector