Patent 11756708 was granted and assigned to Fujikura on September, 2023 by the United States Patent and Trademark Office.
An oxide superconducting wire includes a superconducting laminate including an oxide superconducting layer disposed, either directly or indirectly, on a substrate, and a stabilization layer which is a Cu plating layer covering an outer periphery of the superconducting laminate, and a Vickers hardness of the Cu plating layer is in the range of 80 to 190 HV.