略語大辞典 [Phys] 18 JJD Josephson junction device ジョセフソン接合. ジョセフソン接合素子.Josephson junction device; or JJ(Josephson junction); a cryoelectronic device; a tunnel junction device formed by two superconductors sandwiching an insulator; [Phys:C:E]. 丸善「略語大辞典」JLogosID : 11879687