Table 5.

Target preparation or modification.

Internal Volume	Degrader	Support	Ref.
2.5 mL	250 µm foil of niobium liquid niobium-body target	25 µm Havar® foils for helium cooling chamber and the helium cooling	[35]
2.0 mL	Dual foils of 200 µm aluminum	Havar (40 µm) separated by helium cooling.	[36]
2.2 mL	200 µm aluminum foil	25 μm Havar foil for support and 25 μm niobium foil for chemical inertness with the target media	[37]