金在电脑板卡中的应用

The application of gold in the boards and blocks of computers

电脑板卡是电脑中应用黄金等贵金属最为丰富的器件。片状元器件和表面安装技术的发展 ,使电脑板卡中金的存在形态和功能发生了较大变化。电脑的普及和电子技术的发展 ,带来了大量的废旧电脑板卡。文中介绍了电脑板卡中金的存在和应用 ,以期为回收利用废电脑板卡中的金提供必要的技术支撑。

The boards and blocks are the components and devices of computers where gold and other precious metals exist most abundantly. The existence conformations and functions of gold in such boards and blocks have been changed greatly with the development of flaky elements and Surface Mounting Technology (SMT). With the universalizing of compu ter and the development of electric technology, the amounts and varieties of abandoned computer and its waste boards and blocks have being increased speedily. In this paper, the existence and application of gold to the boards and blocks of computers have been introduced, and it will be useful for the recovery of gold from the above waste boards and blocks.