随着科学技术的迅速发展,电子产品的应用范围不断扩大,而且产品本身也越来越复杂,使用的环境条件也日益严酷。特别是尖端事业的发展对电子产品提出更高的要求,如导弹系统,卫星通讯系统,自动控制系统等等,不仅要求电子产品有良好的技术性能,而且更重要的是要求能够长期准确、可靠地工作。即要求产品有高的可靠性。可靠性实质也是质量问题。对产品的可靠性做出评价需要进行一系列的可靠性试验,如可靠性筛选试验,资格鉴定试验、寿命或加速寿命试 With the rapid development of science and technology, the range of application of electronic products is constantly expanding. Moreover, the products themselves are becoming more and more complicated, and the environmental conditions used are also increasingly harsh. In particular, the development of cutting-edge industries places higher demands on electronic products such as missile systems, satellite communication systems, automatic control systems, etc., not only requiring good technical performance of electronic products but more importantly, requiring long-term accuracy and reliability Work That requires high reliability products. The quality of reliability is also a matter of quality. Evaluating the reliability of a product requires a series of reliability tests, such as reliability screening tests, qualification tests, life or accelerated life tests