This specification sets the requirements for the use of Electroless Nickel/Immersion Gold (ENIG) as a surface finish for printed circuit boards. This specification is intended to set requirements for ENIG deposit thicknesses based on performance criteria. It is intended for use by supplier@ printed circuit manufacturer@ electronics manufacturing services (EMS) and original equipment manufacturer (OEM).
4552-2012由IPC - Association Connecting Electronics Industries 发布于 2012-12-01,并于 2017-08-31 实施。
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