Quantifoil R 2/4, UT, 300 Mesh, Copper
QUANTIFOIL R 2/4 with Ultrathin Carbon
May be preferred over R 2/2, when an increased tolerance with respect to the position of beam, and a larger beam diameter are desired, such as in the case of automated image acquisition.
Hole Size: 2 µm
Period: 6 µm