Development for Mass Production of Homogeneous RE123 Coated Conductors by Hot-Wall PLD Process on IBAD Template Technique

Recent development of production technique for RE123 coated conductors was reviewed, using Hot-wall PLD/IBAD process. Lot-to-lot distributions for both average value and longitudinal uniformity of I-c at 77 K, 0 T were summarized for 127 run of 300-500-m-long 10-mm-wide CC. By optimizing hot-wall PLD process parameters we found a reproducible high J(c) production condition (20% enhancement in field at 20 K), less angular dependent to applied magnetic field. Furthermore, new hermetic type Cu stabilization foil configuration was developed and general mechanical properties against tensile strain, etc. were surveyed.