Gold Shadowed Latex

These are latex particles of 0.204µm diameter shadowed with a fairly heavy coating of gold. The gold forms islands of strongly scattering material and produces a suitable test object for STEM.

PELCO® Technical Notes, Gold Shadowed Latex Point Separation Resolution Test, Product No. 628-B (PDF)

628-B - Gold Shadowed Latex, 3.05mm grid, each