METAL FRAME FOR ELECTRONIC COMPONENTS

摘要

An object of the present invention is to provide a metal frame for electronic components which minimizes the occurrence of defects such as short circuit caused by whiskers. To accomplish this object, the present invention provides a metal frame for electronic components comprising a lead part connected electrically to an electronic device, wherein the said lead part includes a first metal layer which comprises copper (Cu) as a main ingredient and further comprises boron (B) or beryllium (Be).