Figure 2.
(a) Pair of PPM EMATs; (b) housing dimensions; and (c) layout of permanent magnets and electric coil.
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.