Industrial fabrication of superconducting accelerators

During the last two years major progress has been achieved in the industrial production of superconducting accelerators. A technology program with CERN has been completed in order to transfer the technology to sputter niobium onto copper cavities. Several cavities have surpassed design values and series production for LEP 200 is in progress. Secondly a complete linac consisting of 2 single cell and 2 five cell accelerator modules has been designed and fabricated based on inhouse experience. All 4 modules have surpassed the design values (5 MV/m, Q>2/spl times/10/sup 9/, cryogenic losses /spl ap/3 Watt) during tests at Siemens. All 4 modules are in the meanwhile delivered to JAERI. Details and recent results of the projects are presented.<
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