Magnet assemblies with integrated charged particle beam dumps

EP4759076A2Pending Publication Date: 2026-06-17TAE TECHNOLOGIES INC
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Patent Information

Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
TAE TECHNOLOGIES INC
Filing Date
2024-08-07
Publication Date
2026-06-17

AI Technical Summary

Technical Problem

In boron neutron capture therapy (BNCT) systems, charged particle beams used to generate neutrons for cancer treatment often contain secondary-state particles that collide with beamline components, causing damage due to heat generation and ion implantation, which can lead to system failure.

Method used

The development of magnet assemblies with integrated charged particle beam dumps that filter secondary-state particles from the beam using a charged particle beam dump, while maintaining a uniform magnetic field to bend the charged particle beam at a specified angle.

Benefits of technology

The solution extends the lifecycle of beam components by reducing damage from secondary-state particle collisions, maintains vacuum integrity, and enhances the uniformity of neutron generation for effective BNCT.

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Abstract

Magnet assemblies, e.g., dipole magnet assemblies, with integrated charged particle beam dumps and systems containing the same are described. Examples of a dipole magnet assembly include a dipole bending magnet and a channel assembly configured with a charged particle beam dump. The dipole magnet can be configured to generate a uniform magnetic field within the channel assembly that bends a trajectory of a charged particle beam. The channel assembly can be configured to support a vacuum for the charged particle beam while absorbing secondary-state particles using the charged particle beam dump. The charged particle beam dumps can be releasably secured to the channel assembly, welded to the channel assembly, or inserted into the channel assembly. Each charged particle beam dump can utilize an active cooling system such as cooling tubes or an embedded cooling channel to mitigate excessive heat generation from secondary-state particle absorption. Materials are also described.
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