Composite cathodes head the new materials available.

复合极使得这新型材料和应用成为可能。

Finally we concluded the characters of the fabrication of field emission cathodes in large.

总结了规模化碳纳米管场发射阴极制备工艺应具有的特点。

A new structure of two area cathodes applied in W-band Gunn diodes was introduced and made.

介绍了一种新型的双区阴极结构在W波段体效应二极管中的实现，并研制出了样品器件。

Ideally shaped cone cathodes have been successfully formed by using a two-step etching method.

提出了两步腐蚀的工艺方案，制成了形状理想的锥体阴极。

The results indicate the presence of considerable difference between type S and type M cathodes.

结果表明，这两类阴极表面化学结构特性存在明显的差别。