Skip to main content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.


The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

2019 Fellow of the American Vacuum Society - James Fedchak

James Fedchak

For pioneering work in the science and metrology of extreme high vacuum, and support of the stakeholder and scientific community.


Created June 19, 2019, Updated November 15, 2019