国外通信继电器发展近况

计算机与网络的兴起极大地促进了通信业的发展，快速发展的通信技术给继电器提出了更多更苛刻的要求，通信继电器出现了新的变化，如ENG技术、扁平线圈技术；设计上应用CAE；材料上，出现了钯的替代物，软硬磁复合应用等等。文章简要回顾了通信继电器的发展历程，重点介绍了通信继电器技术的发展现状，并对未来发展趋势作了展望。

Recent Development of Telecommunication Relay Overseas

The rising computer and network industry, to a large extent, has promoted development of telecommunication industry, which poses more and more strict requirements for relay. Under this background, in aspect of telecommunication relay, such new changes have occurred, as emerging of ENG technology and flat coil system technology; application of CAE during design; introduction of alternatives to Pd, and combination of soft and hard magnetic materials. This paper briefly reviews growth history of telecommunication relay, then emphasis is placed on its current technology development status, finally, prospect for its future is given.