This view has more or less been completely turned upside down, says Dr. Wadhwa, who is co-editing a special issue of scientific papers on pregnancy and stress to be published in Health Psychology next year.
A wire feeder is used to supply solder. Both lead-tin and silver-tin material can be soldered. Process recipes will differ depending on the alloy composition. For soldering 44-pin chip carriers to a board using soldering preforms, power levels were on the order of 10 Watts and solder times approximately 1 second.
  Solder is a fusable metal alloy Solder is a metal alloy used to join metal workpieces and having a melting point less than that of what you're joining. Solder is used â¦ to connect electrical components together so they'll work in a circuit.It is also used for joining plumbing fixtures and pipes and fittings.tep 2) When the soldering iron is hot enough, tin the tip of it with solder or t â¦ inning compund. Step 3) Heat the parts that are going to be joined. DO NOT MOVE THE SOLDERING IRON. Step 4) Slowly push the solder into the heated area. Sing 1 2 3 4 5 once I caught a fish alive while you are doing this.