OSP will be the abbreviation for Organic Solderability Preservatives, also referred to as bare copper, Entek. To put it simply, OSP is undoubtedly an natural pores and skin film that grows chemically over a thoroughly clean bare copper area. This film is immune to oxidation, thermal shock and humidity and https://8-layer-thick-copper-powe40593.bcbloggers.com/30412776/the-2-minute-rule-for-pcb-board-for-vehicle-control-panel