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July 30, 2010
Board Talk
Can Ultrasonic Cleaning Cause Damage?
The use of qn ultrasonic system is causings damage to one ultra sensitive SMT component. Can you recommend an alternative?   (Time 4:10) 		  How To Inspect QFN Components?
  Squeegee and Stencil Life
  Max Idle Time After Print, Before Reflow
  Passive Component Solder Voids

Ask the Experts
Hand Soldering vs. Selective Wave
Do you recommend a selective wave soldering process for an LCD glass display? Would the high heat cause thermal damage to the LCD? 		  Screen Print Shelf Life
  Voids In Leadless Packages
  Cleaning Water Soluble Flux
  Does Lead Free Flux Make a Difference?

Mysteries of Science
The Graying White Plastic
A plastic injection molding plant was suddenly seeing white plastic parts come out grey. What was causing the discoloration?   (Time 0:48) 		  Energy Savings Ran Up the Bill
  What's Behind IBM's Blue Underfill
  Role of Carbon Ink in Calculators
  Motivational Talks Increased Defects

Tech Papers
Embedded Passives Become Mainstream
Paper looks at barriers to the implementation of high performance embedded passives, focusing on embedded capacitor laminate materials. 		  Thermal Cycle Testing of PWBs
  Selective Surface Mount Soldering Options
  SMT Process Characterization
  Dip Solder Paste for BGA Rework

Trends for Tomorrow
Can Your Body Heal Itself?
Someday, when you have a serious illness or a broken bone, your body just may be able to heal itself.   (Time 0:47) 		  New Technology to Harness Energy
  Your Body Clock and Your Health
  Scientists Invent Tiny Robotic Hands
  Scratched Fenders Heal Themsleves
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