This part of IEC 62047 describes definitions and procedures for measuring the forming limit of metallic film materials with a thickness range from 0@5 ?? to 300 ??. The metallic film materials described herein are typically used in electric components@ MEMS and micro-devices. When metallic film materials used in MEMS (see 2.1.2 of IEC 62047-1:2005) are fabricated by a forming process such as imprinting@ it is necessary to predict the material failure in order to increase the reliability of the components. Through this prediction@ the effectiveness of manufacturing MEMS components by a forming process can also be improved@ because the period of developing a product can be reduced and manufacturing costs can thus be decreased. This standard presents one of the prediction methods for material failure in imprinting process.