Rochester‘s own investigations utilized a random sample of components that have been stored in a variety of environments for up to 17 years. A selection of 8 different products was evaluated, composed of 3 separate lead finish types, from a total of 5 different suppliers. Additionally, the analysis included an industry-standard board mount and solder paste reflow manufacturing process. An independent 3^rd-party electronic manufacturing company, experienced in PCB assembly, conducted the assembly process. The contract assembly house is fully ISO-9001 certified and has over 17 years of industry experience.