An official website of the United States government
Here's how you know
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.
The anti-contaminator is a hollow copper rod coated with gold. It is mounted on a Micos VT-21 stepper motor stage. The ACD is thermally isolated from the warm stage by a hollow fiberglass support and a stainless steel support.