Diode: a semi-conductor or vacuum tube device which has two electrodes. It permits a current to flow from from cathode to anode only Used as a rectifier.

二极管：具有两个电极的半导体或空管。它只容电流从阴极流向阳极。可作整流器用。

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In this paper, a conformal mapping analysis of a vacuum microelectronic diode is presented, which uses an elliptic cone conductor as its cathode.

采用许瓦兹-克里斯托福变换，求得了以椭圆锥为发射体的真空微电子二极管区域的电位分布的解析解。

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