Josephson junctions are the key elements of superconducting electronics and the bases of SQUID and other superconducting components, so it is very important to research the characteristics of Josephson junctions.

• 而约瑟夫森结是超导电子学的关键元件，是超导量子干涉仪(SQUID)和其它超导器件的基础，所以研究约瑟夫森结的性质对超导的发展及其应用有相当重要的意义。