Method for producing high critical field superconducting circuits

Claim 1

A PROCESS FOR PRODUCTION HIGH CRITICAL FIELD SUPERCONDUCTING MAGNETS COMPRISING, PROVIDING A PLURALITY OF PHASE SEGREGATED CERAMIC BODIES OF CYLINDRICAL CONFIGURATION IN WHICH AT LEAST ONE PHASE IS CAPABLE OF REMOVAL TO FORM A FILAMENTARY INTERCONNECTING PORE NETWORK IN WHICH THE DIAMETER OF THE INDIVIDAL FILAMENTS DOES NOT EXCEED 1000 A., SAID CYLINDER BEING OF DIFFERENT DIAMETERS SO THAT THEY CAN BE NESTED WITH SPACES THEREBETWEEN SUCH THAT ADJACENT WALLS DO NOT COME INTO CONTACT, COVERING THE CYLINDERS WITH AN ACID RESISTANT COATING ALONG A SPIRAL LINE ON THE INNER AND OUTER SURFACES OF EACH OF THE CYLINDERS, ACID ETCHING AT LEAST ONE PHASE FROM THE CYLINDERS ALONG THE SPIRAL PATHS WHERE THE ACID RESISTING COATING WAS REMOVED TO FORM THE PORE NETWORK, INFUSING A SUPERCONDUCTIVE MATERIAL INTO THE SPACES BETWEEN THE NESTED CYLINDERS AND INTO THE PORE NETWORK OF THE SPIRALLY ETCHED AREAS FORMING A SUPERCONDUCTIVE PATH HAVING HIGH MULTIPLICITY, AND COOLING THE BODY TO A TEMPERATURE BELOW THE CRITICAL TEMPERATURE OF THE SUPERCONDUCTIVE MATERIAL USED.