August 2012 Print E-mail
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Monday, 09 May 2011 00:00

August 2012 cover

FEATURES

    QFN Rework
    Simple, Fast High-Reliability Rework of Leadless Device
    A recent NASA/DoD study of the impact of leadless device reliability after rework compares older methods such as solder paste printing the site location with newer techniques, including device pad bumping and polyimide stencil placed over the land patterns.
    by Bob Wettermann

    Solder Paste Inspection
    Applying the Data
    SPI machines generate huge quantities of valuable data that often go underutilized. New software-based applications, however, use the data generated during print inspection to automatically control and improve the overall SMT process.
    by Chrys Shea

    Talking Heads
    SMTC: Sitting Pretty in San Jose
    Paul Blom, executive vice president, operations at SMTC, has firm ideas about the contract assembler's focus on the Silicon Valley at a time when Tier 1 firms have downsized local operations.
    by Mike Buetow

    ESD
    Discontinuing Use of the Machine Model for Device ESD Qualification
    Long relied upon for component ESD qualification, the machine model is being rapidly discontinued, and for good reason.
    by Charvaka Duvvury, Robert Ashton, Alan Righter, David Eppes, Harald Gossner, Terry Welsher and Masaki Tanaka

 

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Last Updated on Friday, 16 November 2012 17:04
 

Columns

Eastern-US: China’s New Competitor?

Parity emerges among EMS Factories from Asia, Mexico and the US.

For the first time in years we see parity in the Eastern US among EMS factories from Asia, Mexico and the US. This EMS market condition will permit American OEMs (the EMS industry refers to OEMs as customers) to have more EMS pathways to choose from. Now more than ever, such EMS assignments will require deeper investigation relating to the OEMs’ evaluation of manufacturing strategies.

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The Human Touch

For those who count on the electronics industry for big feats, it’s been a remarkable couple of years.

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Features

Advances in Concentration Monitoring and Closed-Loop Control

Contaminated bath water skews refractive index results. New technology can accurately measure aqueous cleaning agent concentration.

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Circuits Disassembly: Materials Characterization and Failure Analysis

A systematic approach to nonconventional methods of encapsulant removal.

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Products

Panasonic Debuts PanaCIM Maintenance with Augmented Reality
PanaCIM Maintenance with Augmented Reality software provides instant communication and information to factory technicians -- when and where it is needed -- so they can respond to factory needs more...