Using an obsolete revision risks non-compliance with OEM customer requirements.
By respecting and applying IPC-4556 correctly, you elevate your PCB quality from hobby-grade to aerospace-grade. For further reading, visit the official IPC website or consult an IPC-certified process engineer. ipc4556 pdf
IPC-4556 is the industry standard titled Using an obsolete revision risks non-compliance with OEM
, "Specification for Electroless Nickel/Electroless Palladium/Immersion Gold (ENEPIG) Plating for Printed Circuit Boards," is the definitive industry standard for the ENEPIG surface finish. Released in 2013 and subsequently updated to the IPC-4556A revision , this document defines the quality requirements, deposit thicknesses, and testing protocols for ENEPIG-finished PCBs. IPC-4556 is the industry standard titled , "Specification
Here is the direct and most important information:
Overall, the IPC-4556 PDF document is a comprehensive and useful resource for anyone involved in the design, manufacture, or inspection of ENIG plated PCBs. Its clear structure and concise language make it easy to understand and implement.