A circuit board has holes extending therethrough, and a solder layer disposed on a first side of the board. Terminals have been pushed through respective holes and into contact with the solder layer. The terminals have been welded to the first side of the circuit board in a fluxless manner by an irradiated...http://www.google.de/patents/US5656798?utm_source=gb-gplus-sharePatent US5656798 - Terminal-carrying circuit board
