2015 Magazine Archives

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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

FIRST PERSON

• CAVEAT LECTOR
  CAD merry-go-round.
  Mike Buetow

MONEY MATTERS

• ROI
  The maintenance man.
  Peter Bigelow
  

• FOCUS ON BUSINESS
  East meets West.
  Joseph Fama
  
  

TECH TALK

• DESIGNER’S NOTEBOOK
  Switching off the noise.
  Nitin Bhagwath
• TEST AND INSPECTION
  Trade show creatures.
  Robert Boguski