Fabrication process of TRISTAN Superconducting Cavities and Cryostats

Footage of equipments and operations (no audio): Nb Sheet material, Deep drawing, Buffed half cell, Grinding of underbead, Beam pipe welded with end cell, Two cell, Three cell, Five cell structure, Grinding of iris welding, Check of inner surface, Vacuum annealing, Pre-tuning of each cell, Electropolishing, Assembling for vertical test, Vertical test, Assembling with horizontal cryostat, HOM cable, end plate assembling, Frequency tuner assembling, Complete horizontal cryostat