略語大辞典 [Opt] 25 DHBT double-hetero-junction bipolar transistor 二重ヘテロ接合バイポーラ トランジスタ. 光変調器または光スイッチの構造. double-hetero-junction bipolar transistor; an active waveguide structure for carrier-injected optical modulator/switch; e.g. GaAs/AlGaAs DHBT; [Opt:L:C:Mat]. 丸善「略語大辞典」JLogosID : 11871727