M. Ferrario et al., MAGNETIC BOTTLE CONFIGURATION TO COAT 1.3 GHZ COPPER CAVITIES WITH A NB SPUTTERED FILM, Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 343(2-3), 1994, pp. 655-662
An experimental setup to study the deposition of Nb film on a TESLA ty
pe copper cavity is under commissioning. The discharge stabilizing mag
netic field, in a magnetic bottle configuration, is obtained using coi
ls external to the cavity rather than internal as used for larger cavi
ties. A brief review of the sputtering techniques for SC RF cavities,
the dynamics of charged particles in a magnetic bottle and the sputter
ing test setup are described.