this disclosure describes an electrical connector for joining microcircuit or microcircuit modules , such as leadless integrated or hybrid circuit carriers to utilization means , such as printed or etched circuit boards or similar means . the electrical contacts through which the microcircuit and utilization means are connected are formed and etched in place on an elastomeric material , precisely located ; the material acting as a restoring force to maintain connection . the connector when used in a system maintains transmission line mediums in a single environment .