▎ 摘　　要

NOVELTY - The assembly (172) has a target body (174) including a production chamber and a beam cavity that is located adjacent to the production chamber. The production chamber holds target material. The beam cavity receives particle beam that is incident on the production chamber. A target sheet is positioned to separate the beam cavity and the production chamber. The target sheet includes a side that is exposed to the production chamber such that the target sheet is in contact with the target material during isotope production. The target sheet comprises graphene. USE - Target assembly for an isotope production system (claimed) in medical therapy, imaging and research applications. ADVANTAGE - The assembly ensures that interior walls provide sufficient support for a target and front sheets and intimately engage the target and front sheets, so that thermal energy is transferred from the target and the front sheets to the interior walls and a peripheral region of the grid section or the body section. The grid section supports the target sheet to reduce likelihood of rupture from elevated pressure in the production chamber. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for the following: (1) an isotope production system (2) a method for generating radioisotopes. DESCRIPTION OF DRAWING(S) - The drawing shows a side view of an extraction system and a target system. Target system (152) Extraction units (156, 158) Extraction foils (160) Target location (164) Target assembly (172) Target body (174)