Technical Library: siemens s23

A Study of PCB Insertion Loss Variation in Manufacturing Using a New Low Cost Metrology

Technical Library | 2012-06-27 18:26:34.0

First published in the 2012 IPC APEX EXPO technical conference proceedings. Signal integrity analysis has shown that printed circuit board (PCB) insertion loss is a key factor affecting high speed channel performance. Determining and controlling PCB inser

Intel Corporation

Designing a High Performance Electroless Nickel and Immersion Gold to Maximize Highest Reliability

Technical Library | 2020-11-15 21:22:11.0

The latest highest reliability requirements demand a high performance electroless nickel and immersion gold (HP ENIG). The new IPC specification 4552A has refocused the industry with reference to nickel corrosion. The interpretation of the existing specification, that judges corrosion on 3 levels, is complex and if misinterpreted can lead to phantom failures. An obvious way to avoid any potential misinterpretation is to eradicate any evidence of corrosion completely.



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