According to an embodiment, a portable system for joining two superconductor pieces comprises a support arranged for holding the two superconductor pieces adjacent to each other in a reaction area, a distribution head positioned to deposit at least one material onto the reaction area used in joining the two superconductor pieces, an ion gun positioned to bombard the reaction area with ions, a gas port arranged for providing at least one gas to the system, and a vacuum port arranged for establishing a desired atmospheric pressure in the system.