略語大辞典 [C] 7 LDD lightly doped drain (transistor) 低不純物ドレイン(トランジスタ).lightly doped drain (transistor); a structure of NMOS transistors; of an FET(field effect transistor); [C:E:Ind]. 丸善「略語大辞典」JLogosID : 11880427