profundal regionとは 意味・読み方・使い方

The element is constituted by using the p-type GaN semiconductor layer, in which a region where hydrogen is made to remain in a p-type GaN compound semiconductor layer (p-type layer) profundal part, resistance is made high exists inside, and a region formed of a nonstoichiometric composition is installed in a surface layer.例文帳に追加

ｐ型ＧａＮ系化合物半導体層（ｐ型層）深底部に水素を残留させて、高抵抗となした領域を内在し、且つ表層部に非化学量論的な組成からなる領域を設けたｐ型ＧａＮ系半導体層を用いて素子を構成する。 - 特許庁