Hugh Gotts and Fuhe Li
Q3 2006
Alternative screening methods which are rapid and accurate have been sought by the electronics and semiconductor industries to insure compliance with the European Union Directive 2002/95/EC. The European RoHS (Restriction on Hazardous Substances) directive bans the user of certain materials such as lead, mercury and cadmium, in electronics products built anywhere in the world and sold on the EU market beginning July 1, 2006. Currently accepted methods for analysis include wet chemical processing techniques which, although accurate, can time consuming and labor intensive. Quick screening methods such as X-Ray Fluorescence (XRF) have taken center stage due to their ease of use and sensitivity at the risk of lower accuracy as compared to wet chemical methods. Read more