首先提出真空管道自体真空镀膜新概念，采用特殊的阴极靶结构设计成功的解决了长管道内表面直流溅射镀膜的难题。

The new concept of the vacuum pipe sputter self-coating is introduced first, and special cathode target structure is introduced to get favorable coating.

youdao

首先提出真空管道自体真空镀膜新概念，采用特殊的阴极靶结构设计成功的解决了长管道内表面直流溅射镀膜的难题。

The new concept of the vacuum pipe sputter self-coating is introduced first, and special cathode target structure is introduced to get favorable coating.

youdao