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Separable connectors are commonly plated with gold for optimum electrical properties. In aggressive environments, gold provides adequate resistance for corrosion of underneath copper. Corrosion resistance has been historically studied by exposing the connectors to a mixture of corrosive gases through a mixed flowing gas (MFG) test. A few studies in the past claimed that contact electrical resistance...
Gold plated socket contact tips and substrate lands are commonly used in the electronics industry for optimum electrical properties. Increasing the gold thickness improves corrosion resistance and provides stable contact resistance at lower mechanical forces. However, with the ever increasing cost of gold it is critical to optimize the socket stack for cost, performance and reliability. To demonstrate...
The field performance of a separable socket/connector is governed by its ability to maintain the target contact resistance throughout its life. Contact resistance stability and protection against field degradation mechanisms is achieved by maintaining a critical normal force on the contact. With growing socket contact pin counts and package complexities there are challenges with achieving and maintaining...
Long-term reliability of electrical connectors are influenced by the type of plating and plating process. In this paper, the authors look for a viable alternative to 400-nm $\hbox{ENIG}+\hbox{EG}$ (electroless Ni, $\hbox{immersion Au} + \hbox{electroless Au}$) for microelectronic package substrates. In alignment with historical work, the authors choose NiPdAu (electroless Ni, electroless Pd, immersion...
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