Fabrication of a Straight Canted Cosine-Theta Prototype Magnet for Hadron Therapy

Canted Cosine Theta magnets are a very promising layout for applications in small accelerator systems, for example for the gantries needed at hadron therapy facilities. A 1-meter-long, straight and combined function magnet demonstrator with 80 mm aperture diameter, 4 T central field and 5 T/m quadrupole component is under development in the framework of the European-funded project IFAST. The main purpose of this demonstrator is to develop competencies and expertise about the CCT layout and explore the possibility of implementing a combined function CCT magnet. The design has been reported elsewhere. This paper includes details about the fabrication of this demonstrator, describing the techniques and tooling used in each step: machining, winding, wax impregnation and assembly. Special attention is paid to the splices since the cable is a twisted rope of six NbTi wires around a central copper wire.

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Publication Details

Journal
IEEE Transactions on Applied Superconductivity
Published
2025-12-02
DOI
https://doi.org/10.1109/tasc.2025.3639381
Primary Topic
Superconducting Materials and Applications
Type
article
Field-Weighted Citation Impact
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article

Fabrication of a Straight Canted Cosine-Theta Prototype Magnet for Hadron Therapy

L. Rossi, Marco Prioli, S. Mariotto, Javier Munilla et al.
IEEE Transactions on Applied Superconductivity
Superconducting Materials and Applications
article

Fabrication of a Straight Canted Cosine-Theta Prototype Magnet for Hadron Therapy

L. Rossi, Marco Prioli, S. Mariotto, Javier Munilla, F. Toral, R. U. Valente, Thibault Lécrevisse, S. Di Stefano, E. De Matteis, D. Barna, Д. Педрини, D. Perini, Todor Gusvitskii
article en

Abstract

Canted Cosine Theta magnets are a very promising layout for applications in small accelerator systems, for example for the gantries needed at hadron therapy facilities. A 1-meter-long, straight and combined function magnet demonstrator with 80 mm aperture diameter, 4 T central field and 5 T/m quadrupole component is under development in the framework of the European-funded project IFAST. The main purpose of this demonstrator is to develop competencies and expertise about the CCT layout and explore the possibility of implementing a combined function CCT magnet. The design has been reported elsewhere. This paper includes details about the fabrication of this demonstrator, describing the techniques and tooling used in each step: machining, winding, wax impregnation and assembly. Special attention is paid to the splices since the cable is a twisted rope of six NbTi wires around a central copper wire.

IEEE Transactions on Applied SuperconductivityVol. 36(3)
Istituto Nazionale di Fisica Nucleare (IT), Commissariat à l'Énergie Atomique et aux Énergies Alternatives (FR), HUN-REN Wigner Research Centre for Physics (HU), Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (ES), European Organization for Nuclear Research (CH)
Openalex Percentile: Top 63%
Superconducting Materials and Applications
DOIOpen Access PDFOpenAlex
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