1.Sn-3.0Ag-0.5Cu solder composition for an ideal balance of reliability, workability, and ease-of-handling
2.Water soluble preflux used as OSP in PCB processing to ensure quality and ease-of-handling
3.Selection and periodic inspection of PCB manufacturing facilities
4.Thorough microscopic inspection of PCB both before and after mounting of components
5.Thorough implementation of a PDCA cycle to incorporate feedback from manufacturing facilities and parts vendors into the quality assurance process
6.Continuous improvement of production lines
