空くう乏ぼう層そう

noun

depletion layer

Technical term in semiconductor physics; refers to the region near a p-n junction where mobile charge carriers are depleted.

• トランジスタの空くう乏ぼう層そうは、電でん圧あつをかけると広ひろがる。

  The depletion layer of a transistor expands when a voltage is applied.