Slivers Thin pieces of metal from a machining process SMA Surface Mount Assembly. An electronic assembly or module that is manufactured with surface mounted components and suing surface..., exposed and developed, and then the board is dipped in molten solder to coat the exposed copper. SMT Surface Mount Technology. The technology used to manufacture electronic assemblies... Semiconductor COB Chip-on-Board. A situation where the silicon IC chip is mounted directly to the electronic assembly substrate or PWB without an intermediate packaging step. Connections...