20.08.2018 ENIG Surface Industry Standards and Common Practices 20.08.2018, 07:38 ENIG Surface Industry Standards and Common PracticesPer IPC-4552, there should be 2-5 micro-inches of immersion gold applied over 120 to 240micro-inches of electroless nickel. Читать дальше Читать дальше ENIG,Surface Industry Standards,Nickel Thickness,Immersion Gold Thickness