October 2011 cover



EMS Profile
Out of the Fire, ACD Heats Up
Years after its building went up in flames, the Dallas-area design service bureau has transformed into a fast-growing contract electronics assembler.
by Mike Buetow

Why Does SPI Have Such Huge Tolerances?
Automated solder paste inspection, a must for most PCB assemblers, appears to use ridiculously wide specification limits. Most SPI program generators read a stencil Gerber file and set the target paste deposit volumes to 100% of the apertures’ theoretical volumes, with tolerances of +/-50% – a ridiculously enormous tolerance.
by Chrys Shea



  • Caveat Lector
    Unrepressing transference.
    Mike Buetow



    • ROI
      Evolutionary approaches.
      Peter Bigelow
    • Focus on Business
      The sales funnel.
      Susan Mucha



  • On the Forefront
    The importance of being thin.
    E. Jan Vardaman

  • Screen Printing
    Tighter paste particle distribution.
    Clive Ashmore

  • Tech Tips
    Tin whisker qualification.
    ACI Technologies Inc.

  • Test and Inspection
    Boundary scan: present and future.
    Tan Beng Chye

  • Process Doctor
    Agent informant.
    Dr. Harald Wack

  • Getting Lean
    Lean partnering.
    Chris Munroe

  • Technical Abstracts
    In Case You Missed It.

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