Ciro Santilli $$ Sponsor Ciro $$ 中国独裁统治 China Dictatorship 新疆改造中心、六四事件、法轮功、郝海东、709大抓捕、2015巴拿马文件 邓家贵、低端人口、西藏骚乱
Specific type of Josephson junction. Probably can be made tiny and in huge numbers through photolithography.
Figure 5. Illustration of a thin-film superconducting tunnel junction (STJ) Source. The superconducting material is light blue, the insulating tunnel barrier is black, and the substrate is green.
Video 9. Quantum Transport, Lecture 14: Josephson effects by Sergey Frolov (2013) Source. mentions maskless electron beam lithography being used to produce STJs.