Beryllium Tin Whiskers Card Guides copper

Tin-plated copper whisker growth, beryllium copper leader cards used in electronic assembly. After more than 15 years of service, was tin-whisker more than 5 mm in length, some of beryllium copper, the more than 10 mm and a few to 24 mm. Many thanks to the coating on printed circuit boards were used in the hand, which prevented most of these hairs of electricity short circuit. To learn more about metal whiskers and tin whisker nepp.nasa.gov visit ... "Metal ... (http://lh3.ggpht.com/_veNt4wCNwxE/SxIZYDwsJGI/AAAAAAAAIQI/qDNsHa3XoHY/s72/Beryllium_Tin_Whiskers_Card_Guides_copper.jpg)