According to an article in Electronics Weekly, a UK-based sister publication of Design News, a researcher at the UK’s University of Leicester has discovered detrimental voids in lead-free solder joints. The article quotes researcher Sergey Belyokov as noting that he “discovered a process which has not been described yet: the formation of crystallographically-faceted voids in the bulk of lead-free solders.”
The results are new and Belyakov only has preliminary results. “They are constantly observed. This is very undesirable effect which needs to be terminated,” says Belyakov. “At the moment I am trying to investigate the nature of this phenomenon to propose possible ways of avoiding it.”
Thanks to embedded electronics, medical devices are getting smaller and smarter than ever. Pacemakers and implantable defibrillators are now able to call physicians. MRIs, CT scanners, and ultrasound machines are gaining mobility. And the venerable Band-Aid may soon be able to detect illnesses ranging from fevers to heart arrhythmias. On February 21, join Design News senior editor Charles Murray for a wide-ranging discussion, "Embedded Angles for Medical Products," which will explore the latest developments in medical electronics. The discussion will examine advances in medical device technology and offer an inside look at the embedded electronics behind it.
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