2015 Magazine Archives

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FEATURES

PCB DESIGN
Rigid-Flex PCB Design for an Innovative Helmet-Mounted Display
To create a prototype binocular holographic waveguide visor display, an Air Force pilot, a cutting-edge high-speed design and HDI boards were used to significantly decrease cost, volume and weight of the traditional helmet-mounted displays.
by Dr. Dave Cowl

COMPONENT INSPECTION
Advanced Acoustic Methods for Flip Chips
The miniscule size of structural defects in flip chips makes thorough inspection vital. But while most structural defects lie beneath the die, and acoustic micro imaging tools can be used to nondestructively find and analyze them, the architecture of some solder bumps makes defects difficult to discern with standard AMI techniques. Here the authors discuss two AMI techniques that can reveal defects that might otherwise escape notice.
by Tom Adams

FIRST PERSON

• CAVEAT LECTOR
  X-ray vision.
  Mike Buetow

MONEY MATTERS

• ROI
  The software-hardware showdown.
  Peter Bigelow
  

• FOCUS ON BUSINESS
  Don’t make poor marketing your brand.
  Susan Mucha
  
  

TECH TALK

• SCREEN PRINTING
  What you wear might be more custom than you know.
  Clive Ashmore
• TECH TIPS
  Good powder.
  Tim O’Neill and Karl Seelig
• TEST AND INSPECTION
  Good networking.
  Jun Balangue
• GETTING LEAN
  Tightening DfM.
  Michael Ford

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