PCD&F Archives

May 2015 cover

 

FEATURES

QUALITY CONTROL
PCB Fabrication Processes and their Effects on Fine Copper Barrel Cracks

A preliminary survey of PCBs that failed thermal shock qualification showed a cracking incidence rate of approximately 15% across multiple suppliers. These results led the investigators to question that if cracks were present, under what manufacturing conditions could the cracks be mitigated or eliminated.
by Edward Arthur, Charles Busa, Melissa Durfee, Chad Gibson and Wade Goldman

EMS TOP 50
EMS in Overdrive

The absence of major changes to the annual list of the world’s largest contract assemblers should not obscure a few definitive trends behind the scenes, namely automotive and Apple.
by Mike Buetow

 

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