Solution:
As per the US Department of Commerce National Security Assessment, it is mandatory that the following rare earth materials should not be used in any equipment related to security/defense.
Neodymium, Dysprosium, Yttrium, Europium, Terbium, Gadolinium, Samarium, Praseodymium, Rare Earth Phosphors, Neodymium-Iron-Boron Magnets, Samarium-Cobalt Magnets, Rare Earth Polishing Agent.
Although rare earth materials are used in the making of equipment associated with semiconductor manufacturing, they are NOT used in the actual semiconductor manufacturing process of any Lattice devices. None of these materials are present in any of the Lattice devices.