略語大辞典 [MIL] 21 BASS bulk avalanche semiconductor switch 固体アバランシェ半導体スイッチ.bulk avalanche semiconductor switch; consists of a GaAs(gallium arsenide) semiconductor chip that changes its state from a non-conductor of electricity to an extremely efficient one when illuminated by low-power laser light; by using B 丸善「略語大辞典」JLogosID : 11867063