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.
Noun. 1. solder-an alloy (usually of lead and tin) used when melted to join two metal surfaces. alloy, metal-a mixture containing two or more metallic elements or metallic and nonmetallic elements usually fused together or dissolving into each other when molten; brass is an alloy of zinc and copper.olÂ·der. n. 1. Any of various fusible alloys, usually tin and lead, used to join metallic parts. 2. Something that joins or cements. v. solÂ·dered, solÂ·derÂ·ing, solÂ·ders. v. tr. 1. To unite or repair (parts, for example) with solder.