SMTA International Conference Proceedings

Rework of New High-Speed Press-Fit Connectors, Part II

Author: Lars Bruno
Company: Ericsson AB
Date Published: 9/17/2017   Conference: SMTA International

Abstract: The technological transformation of the society towards in-creased digitalization is ongoing and more people and things than ever before are now communicating. Every day, there are more than one million new mobile internet users around the worldi.

In this digitalized world, all needed communication put higher demands on the infrastructure network. There is, among others, an increased need for photonic technologies. Another, maybe less observed trend, is a development of the connectors that connect core network boards with back planes. In order to be able to transfer more signals in shorter time, new high-speed press-fit connectors have been designed which have thinner and shorter leads with lower pitch.

These new high-speed press-fit connector pins easily get bent during insertion and then a rework of the press-fit connector is needed.

This is the second part of an evaluation that aimed at under-standing how multiple rework of new high-speed press-fit connectors affects connection strength, hole wall deformation and plating cracks. The focus on this second part of the study has been to understand how differences in pin sizes and geometries affect the above-mentioned characteristics.

Key Words: 

press-fit, connectors, connection strength, rework

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