At present, both integrated circuit computer-aided design ( IC-CAD ) technology and integrated circuit computer-aided manufacturing technology in our country are inferior to that of advanced country. 如果说目前我国集成电路的计算机辅助设计技术同世界先进国家相比存在着多年差距,那么,在制造方面的计算机辅助也同样存在很大的差距。