Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) Secondary electron image of a standard tin ball resolution target acquired using a focused 10 keV, 1 pACs+ ion beam from the LoTIS. (b) Secondary electron image of a pattern milled in the edge of a Cu grid using a similar Cs+ ion beam. Milling time for this pattern was approximately 120 s.
