• Cover Story
    Cleaning Up after Pb-Free
    Lacking field data for no-clean Pb-free solders and confidence in accelerated aging tests? An expected increase in contaminants means effective cleaning is the only way to guarantee an assembly won't fail due to residues.
    Leigh Jansen

  • Process Management
    Concurrent Manufacturing in an EMS Environment
    The changes and precautions to take down the line during implementation of Pb-free manufacturing. This review covers printing, placement, soldering, inspection, materials management, compatibility and marking.
    Amey Teredesai and Tony Batalha

  • Soldering Materials
    Pb-Free Solder Assembly for Mixed-Technology Boards
    While assemblers push for a single alloy throughout all soldering processes to avoid cross-contamination, tests show no joint degradation related to the mixing of SN100C and SAC alloys.
    Karl Seelig

  • Wire Bonding
    Increasing Process Reliability in Fine-Pitch Wire Bonding
    A two-year study involving millions of bonds on LQFPs and BGAs identifies close ties between the performance of the wire bonder capillary and subsequent failures.
    Yair Alcobi


  • Caveat Lector
    A platform for all electronics.
    Mike Buetow

  • Talking Heads
    RVSI's Kevin Maddy.
    Mike Buetow


  • Focus on Business
    Data mining in EMS.
    Susan Mucha

  • Global Sourcing
    Qualification methods for CSPs.
    Robin Norvell


  • On the Forefront
    R&D's new model.
    E. Jan Vardaman

  • Screen Printing
    Using DPMO to rate equipment performance.
    Clive Ashmore

  • Better Manufacturing
    HALT and HASS testing.
    Peter Grundy

  • Soldering Tips
    The new GEIA Pb-free guide.
    American Competitiveness Institute

  • Wave Soldering
    Guarding your pot.
    Gerjan Diepstraten

  • Test and Inspection
    Pin-in-hole reflow inspection.
    Dr. David Bernard and Bob Willis

  • Countdown to Pb-Free
    Recommendations for thermally challenging products.
    Joe Smetana and Thilo Sack

  • ESD Basics
    Eliminating ESD in the air.
    David E. Swenson

  • Process Doctor
    Resolving sulfate contamination.
    Terry Munson

  • Equipment Advances
    ECT's new board tester.

  • Technical Abstracts


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On the cover: Due to a lack of Pb-free aging data, cleaning may make a comeback. (Cover photo courtesy Humiseal/Chase Specialty Coatings.)

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