How Mitigation Techniques Affect Reliability Results for BGAs


November 17, 2016


Greg Caswell, Melissa Keener


Since 2006 RoHS requirements have required lead free solders to take the place of tin-lead solders in electronics. The problem is that in some environments the lead free solders are less reliable than the older tin-lead solders. One of the ways to solve this problem is to corner stake, edge bond or underfill the components. When considering what mitigation technique and material to use, the operating conditions must be characterized. The temperature range is important when selecting a material to use since the glass transition temperature (Tg) and coefficient of thermal expansion (CTE) are important properties. If improperly chosen, the mitigation material can cause more failures than an unmitigated component....

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Company Information:

DfR Solutions

DfR Solutions has world-renowned expertise in applying the science of Reliability Physics to electrical and electronics technologies, and is a leading provider of quality, reliability, and durability (QRD) research and consulting for the electronics industry.

College Park, Maryland, USA

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  • Phone 301 474-0607
  • Fax 240 757-0083

DfR Solutions website

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(1) product in the catalog

(17) technical library articles

(1) news release

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