一、前言近年来,随着电子工业技术的发展,对某些铝制电子产品提出了愈来愈高的性能要求,这些产品包括:电子计算机磁盘基片、录相机磁鼓、电解电容铝箔、铝激光唱片等,其中主要的要求是用来制作这些产品的铝金属纯净度要高,金属内部不允许有气孔、夹杂物等冶金缺陷。 I. Introduction In recent years, with the development of electronic industry technology, higher and higher performance requirements have been put forward for certain aluminum electronic products, including electronic computer disk substrate, video camera drum, electrolytic capacitor aluminum foil, Aluminum laser disc and so on, the main requirement is that the aluminum metal used to make these products should have higher purity, metal pores, inclusions and other metallurgical defects are not allowed inside.