Figure 4.
(a) Image of the sensing side of a 0.5 μm-gap interlocked spiral BPE. (b) Brightfield micrograph of interlocked spiral device with 0.5 μm gaps. Scale bar, 100 m.
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.