介绍了陶瓷真空管的主要用途,重点对实现陶瓷真空管端面金属化的真空离子镀、真空蒸镀、磁控溅射、烧结被金属、烧结金属粉末以及均匀沉淀、电镀、化学镀等制备方法进行了综述,提出了光催化化学镀实现陶瓷真空管端面金属化的制备新方法,并对端面金属化陶瓷真空管的发展方向进行了思考。 The main purpose of ceramic vacuum tube is introduced. The preparation methods of vacuum ion plating, vacuum evaporation, magnetron sputtering, sintering by metal, sintered metal powder, uniform precipitation, electroplating, electroless plating and so on In this paper, a new method of photocatalytic electroless plating for the metallization of ceramic vacuum tube end surface is proposed, and the developing direction of the end metallized ceramic vacuum tube is also considered.