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

February 2012 cover

FEATURES

    Cover Story
    Benchmarking and Qualifying PCB Fabricators for Semiconductor Device Test Boards
    Standardized test panels provide a sound basis for engaging with suppliers and participating in continuous improvement plans. Over time, test panel results objectively demonstrate if suppliers are attaining agreed-upon goals.
    by William J. Mack

    PCB Inspection
    Using Automated 3D X-Ray Inspection to Detect BTC Defects
    Bottom-termination components such as QFNs are characterized by hidden solder joints, making inspection tricky. Defects such as insufficients often have enough solder present to pass ICT and functional test, but when subjected to shock or vibration, there is a good chance this solder connection will fracture, leading to an open connection.
    by Barbara Koczera and An Qi Zhao

    Environmental Management
    Developing a Compliance System for RoHS2
    With the latest directive, RoHS is becoming more focused on validation of process, rather than inspection of results. A look at the methodology of developing a compliance system to address the electronics manufacturer’s obligations.
    by Scott Mazur

    Stencil Technology
    What Used to be Old is New Again?
    Recent developments give laser-cut stainless stencils the nod over their electroformed counterparts.
    by Chrys Shea

 

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Last Updated on Thursday, 09 February 2012 21:56
 

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...